./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-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:14:22,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:14:22,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:14:22,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:14:22,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:14:22,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:14:22,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:14:22,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:14:22,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:14:22,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:14:22,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:14:22,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:14:22,377 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:14:22,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:14:22,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:14:22,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:14:22,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:14:22,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:14:22,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:14:22,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:14:22,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:14:22,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:14:22,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:14:22,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:14:22,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:14:22,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:22,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:14:22,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:14:22,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:14:22,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:14:22,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:14:22,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:14:22,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:14:22,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:14:22,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:14:22,388 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:14:22,388 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2023-11-06 21:14:22,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:14:22,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:14:22,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:14:22,790 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:14:22,790 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:14:22,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2023-11-06 21:14:25,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:14:26,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:14:26,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2023-11-06 21:14:26,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/data/6ed0ce90e/06257d03e01f4b32a183529feacd9286/FLAG0b96c8d89 [2023-11-06 21:14:26,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/data/6ed0ce90e/06257d03e01f4b32a183529feacd9286 [2023-11-06 21:14:26,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:14:26,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:14:26,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:26,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:14:26,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:14:26,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:26" (1/1) ... [2023-11-06 21:14:26,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7e0c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:26, skipping insertion in model container [2023-11-06 21:14:26,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:26" (1/1) ... [2023-11-06 21:14:27,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:14:32,912 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2023-11-06 21:14:32,917 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2023-11-06 21:14:32,918 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2023-11-06 21:14:32,919 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2023-11-06 21:14:32,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:33,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:14:33,425 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 *)"drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c"), "i" (269), "i" (12UL)); [7882-7883] [2023-11-06 21:14:33,464 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 *)"drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c"), "i" (435), "i" (12UL)); [8408-8409] [2023-11-06 21:14:33,483 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"); [8883] [2023-11-06 21:14:33,484 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)); [8890] [2023-11-06 21:14:33,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [8897] [2023-11-06 21:14:33,486 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)); [8949-8950] [2023-11-06 21:14:33,486 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"); [8955-8957] [2023-11-06 21:14:33,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [8971] [2023-11-06 21:14:33,488 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; incl %0": "+m" (v->counter)); [8994] [2023-11-06 21:14:33,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [9001] [2023-11-06 21:14:33,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [9236] [2023-11-06 21:14:33,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [9244-9245] [2023-11-06 21:14:33,500 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)); [9318-9319] [2023-11-06 21:14:33,503 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)); [9352-9353] [2023-11-06 21:14:33,513 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/linux/netdevice.h"), "i" (502), "i" (12UL)); [9680-9681] [2023-11-06 21:14:33,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9687] [2023-11-06 21:14:34,060 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2023-11-06 21:14:34,076 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2023-11-06 21:14:34,077 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2023-11-06 21:14:34,077 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_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2023-11-06 21:14:34,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:34,583 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:14:34,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34 WrapperNode [2023-11-06 21:14:34,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:34,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:34,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:14:34,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:14:34,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:34,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,287 INFO L138 Inliner]: procedures = 703, calls = 6707, calls flagged for inlining = 366, calls inlined = 324, statements flattened = 12310 [2023-11-06 21:14:35,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:35,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:14:35,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:14:35,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:14:35,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:35,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:14:35,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:14:35,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:14:35,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:14:35,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (1/1) ... [2023-11-06 21:14:36,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:36,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0dfe12-c25a-4644-a771-966e7d4ddbe3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:14:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2023-11-06 21:14:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2023-11-06 21:14:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 21:14:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 21:14:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2023-11-06 21:14:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2023-11-06 21:14:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 21:14:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 21:14:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-06 21:14:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-06 21:14:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2023-11-06 21:14:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2023-11-06 21:14:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2023-11-06 21:14:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2023-11-06 21:14:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 21:14:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 21:14:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:14:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:14:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2023-11-06 21:14:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2023-11-06 21:14:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2023-11-06 21:14:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2023-11-06 21:14:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-06 21:14:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-06 21:14:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 21:14:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 21:14:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2023-11-06 21:14:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2023-11-06 21:14:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2023-11-06 21:14:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2023-11-06 21:14:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2023-11-06 21:14:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2023-11-06 21:14:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-06 21:14:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-06 21:14:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 21:14:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 21:14:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 21:14:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 21:14:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2023-11-06 21:14:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2023-11-06 21:14:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2023-11-06 21:14:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2023-11-06 21:14:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2023-11-06 21:14:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2023-11-06 21:14:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2023-11-06 21:14:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2023-11-06 21:14:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-06 21:14:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-06 21:14:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2023-11-06 21:14:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2023-11-06 21:14:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-06 21:14:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-06 21:14:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-06 21:14:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-06 21:14:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 21:14:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 21:14:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-06 21:14:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-06 21:14:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-06 21:14:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-06 21:14:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2023-11-06 21:14:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2023-11-06 21:14:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 21:14:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 21:14:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 21:14:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 21:14:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2023-11-06 21:14:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2023-11-06 21:14:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 21:14:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 21:14:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-06 21:14:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-06 21:14:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-06 21:14:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-06 21:14:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 21:14:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 21:14:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 21:14:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 21:14:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-06 21:14:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-06 21:14:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:14:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2023-11-06 21:14:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2023-11-06 21:14:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-06 21:14:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-06 21:14:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2023-11-06 21:14:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2023-11-06 21:14:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 21:14:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 21:14:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2023-11-06 21:14:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2023-11-06 21:14:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-06 21:14:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-06 21:14:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 21:14:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-06 21:14:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-06 21:14:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 21:14:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 21:14:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-06 21:14:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-06 21:14:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 21:14:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 21:14:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2023-11-06 21:14:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2023-11-06 21:14:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2023-11-06 21:14:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2023-11-06 21:14:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:14:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2023-11-06 21:14:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2023-11-06 21:14:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 21:14:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 21:14:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:14:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 21:14:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 21:14:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-11-06 21:14:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-11-06 21:14:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 21:14:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 21:14:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2023-11-06 21:14:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2023-11-06 21:14:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-06 21:14:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-06 21:14:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-06 21:14:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-06 21:14:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 21:14:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 21:14:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 21:14:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 21:14:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-06 21:14:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-06 21:14:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2023-11-06 21:14:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2023-11-06 21:14:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2023-11-06 21:14:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2023-11-06 21:14:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-06 21:14:36,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-06 21:14:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-06 21:14:36,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-06 21:14:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 21:14:36,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 21:14:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2023-11-06 21:14:36,117 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2023-11-06 21:14:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 21:14:36,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 21:14:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:14:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-06 21:14:36,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-06 21:14:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-06 21:14:36,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-06 21:14:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-06 21:14:36,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-06 21:14:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2023-11-06 21:14:36,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2023-11-06 21:14:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-06 21:14:36,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-06 21:14:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-06 21:14:36,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-06 21:14:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-06 21:14:36,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-06 21:14:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:14:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-06 21:14:36,125 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-06 21:14:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 21:14:36,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 21:14:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 21:14:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 21:14:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:14:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:14:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:14:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-06 21:14:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-06 21:14:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 21:14:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 21:14:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 21:14:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 21:14:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-06 21:14:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-06 21:14:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-06 21:14:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-06 21:14:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2023-11-06 21:14:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2023-11-06 21:14:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 21:14:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 21:14:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2023-11-06 21:14:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2023-11-06 21:14:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-06 21:14:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-06 21:14:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2023-11-06 21:14:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2023-11-06 21:14:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 21:14:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 21:14:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:14:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:14:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2023-11-06 21:14:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2023-11-06 21:14:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2023-11-06 21:14:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2023-11-06 21:14:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-06 21:14:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-06 21:14:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2023-11-06 21:14:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2023-11-06 21:14:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 21:14:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 21:14:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2023-11-06 21:14:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2023-11-06 21:14:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 21:14:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 21:14:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 21:14:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 21:14:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2023-11-06 21:14:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2023-11-06 21:14:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 21:14:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 21:14:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2023-11-06 21:14:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2023-11-06 21:14:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-06 21:14:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-06 21:14:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-06 21:14:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-06 21:14:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-06 21:14:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-06 21:14:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2023-11-06 21:14:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2023-11-06 21:14:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2023-11-06 21:14:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2023-11-06 21:14:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2023-11-06 21:14:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2023-11-06 21:14:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-06 21:14:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-06 21:14:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2023-11-06 21:14:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2023-11-06 21:14:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2023-11-06 21:14:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2023-11-06 21:14:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 21:14:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 21:14:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 21:14:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 21:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-06 21:14:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-06 21:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-06 21:14:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-06 21:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2023-11-06 21:14:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2023-11-06 21:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2023-11-06 21:14:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2023-11-06 21:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-06 21:14:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-06 21:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-06 21:14:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-06 21:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2023-11-06 21:14:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2023-11-06 21:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2023-11-06 21:14:36,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2023-11-06 21:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2023-11-06 21:14:36,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2023-11-06 21:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-06 21:14:36,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-06 21:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-06 21:14:36,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-06 21:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2023-11-06 21:14:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2023-11-06 21:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-06 21:14:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-06 21:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2023-11-06 21:14:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2023-11-06 21:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-06 21:14:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-06 21:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 21:14:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 21:14:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 21:14:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 21:14:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-06 21:14:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-06 21:14:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 21:14:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 21:14:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2023-11-06 21:14:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2023-11-06 21:14:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 21:14:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 21:14:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-06 21:14:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-06 21:14:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2023-11-06 21:14:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2023-11-06 21:14:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 21:14:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 21:14:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2023-11-06 21:14:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2023-11-06 21:14:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2023-11-06 21:14:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2023-11-06 21:14:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-06 21:14:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-06 21:14:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 21:14:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 21:14:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 21:14:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 21:14:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-06 21:14:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-06 21:14:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2023-11-06 21:14:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2023-11-06 21:14:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-06 21:14:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-06 21:14:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2023-11-06 21:14:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2023-11-06 21:14:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 21:14:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 21:14:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 21:14:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 21:14:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2023-11-06 21:14:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2023-11-06 21:14:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 21:14:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 21:14:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 21:14:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 21:14:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2023-11-06 21:14:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2023-11-06 21:14:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2023-11-06 21:14:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2023-11-06 21:14:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2023-11-06 21:14:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2023-11-06 21:14:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:14:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2023-11-06 21:14:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2023-11-06 21:14:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2023-11-06 21:14:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2023-11-06 21:14:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 21:14:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 21:14:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2023-11-06 21:14:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2023-11-06 21:14:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2023-11-06 21:14:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2023-11-06 21:14:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 21:14:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 21:14:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-06 21:14:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-06 21:14:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2023-11-06 21:14:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2023-11-06 21:14:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2023-11-06 21:14:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2023-11-06 21:14:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2023-11-06 21:14:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2023-11-06 21:14:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-06 21:14:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-06 21:14:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-06 21:14:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-06 21:14:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2023-11-06 21:14:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2023-11-06 21:14:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2023-11-06 21:14:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2023-11-06 21:14:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 21:14:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 21:14:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2023-11-06 21:14:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2023-11-06 21:14:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2023-11-06 21:14:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2023-11-06 21:14:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-06 21:14:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-06 21:14:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2023-11-06 21:14:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2023-11-06 21:14:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2023-11-06 21:14:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2023-11-06 21:14:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:14:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2023-11-06 21:14:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2023-11-06 21:14:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 21:14:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 21:14:37,706 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:14:37,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:14:38,353 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 21:14:59,187 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-06 21:14:59,893 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:14:59,933 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:14:59,933 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:14:59,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:59 BoogieIcfgContainer [2023-11-06 21:14:59,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:14:59,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:14:59,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:14:59,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:14:59,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:14:26" (1/3) ... [2023-11-06 21:14:59,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fedbf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:59, skipping insertion in model container [2023-11-06 21:14:59,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:34" (2/3) ... [2023-11-06 21:14:59,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fedbf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:59, skipping insertion in model container [2023-11-06 21:14:59,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:59" (3/3) ... [2023-11-06 21:14:59,954 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2023-11-06 21:14:59,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:14:59,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 21:15:00,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:15:00,147 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=LoopsAndPotentialCycles, 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;@2f8021d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:15:00,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 21:15:00,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 3837 states, 2681 states have (on average 1.2976501305483028) internal successors, (3479), 2725 states have internal predecessors, (3479), 978 states have call successors, (978), 176 states have call predecessors, (978), 175 states have return successors, (968), 953 states have call predecessors, (968), 968 states have call successors, (968) [2023-11-06 21:15:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-06 21:15:00,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:00,227 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:00,227 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:15:00,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:00,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2024583557, now seen corresponding path program 1 times [2023-11-06 21:15:00,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:00,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581425849] [2023-11-06 21:15:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:15:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:15:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:15:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:15:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:15:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:15:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:15:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:15:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:15:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:15:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:15:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:15:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:15:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:15:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:15:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:15:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:15:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:15:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:15:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:15:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:15:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:15:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-06 21:15:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2023-11-06 21:15:02,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:02,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581425849] [2023-11-06 21:15:02,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581425849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:02,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:02,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:15:02,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940009302] [2023-11-06 21:15:02,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:03,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:15:03,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:03,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:15:03,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:03,063 INFO L87 Difference]: Start difference. First operand has 3837 states, 2681 states have (on average 1.2976501305483028) internal successors, (3479), 2725 states have internal predecessors, (3479), 978 states have call successors, (978), 176 states have call predecessors, (978), 175 states have return successors, (968), 953 states have call predecessors, (968), 968 states have call successors, (968) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-06 21:15:05,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:09,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:15,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:17,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:22,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:22,682 INFO L93 Difference]: Finished difference Result 11413 states and 16733 transitions. [2023-11-06 21:15:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:15:22,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 261 [2023-11-06 21:15:22,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:22,796 INFO L225 Difference]: With dead ends: 11413 [2023-11-06 21:15:22,797 INFO L226 Difference]: Without dead ends: 7605 [2023-11-06 21:15:22,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:15:22,843 INFO L413 NwaCegarLoop]: 4465 mSDtfsCounter, 6073 mSDsluCounter, 6476 mSDsCounter, 0 mSdLazyCounter, 3352 mSolverCounterSat, 2201 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6847 SdHoareTripleChecker+Valid, 10941 SdHoareTripleChecker+Invalid, 5556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2201 IncrementalHoareTripleChecker+Valid, 3352 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:22,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6847 Valid, 10941 Invalid, 5556 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2201 Valid, 3352 Invalid, 3 Unknown, 0 Unchecked, 18.5s Time] [2023-11-06 21:15:22,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2023-11-06 21:15:23,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7469. [2023-11-06 21:15:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7469 states, 5248 states have (on average 1.2841082317073171) internal successors, (6739), 5332 states have internal predecessors, (6739), 1871 states have call successors, (1871), 347 states have call predecessors, (1871), 346 states have return successors, (1867), 1837 states have call predecessors, (1867), 1867 states have call successors, (1867) [2023-11-06 21:15:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 10477 transitions. [2023-11-06 21:15:23,524 INFO L78 Accepts]: Start accepts. Automaton has 7469 states and 10477 transitions. Word has length 261 [2023-11-06 21:15:23,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:23,532 INFO L495 AbstractCegarLoop]: Abstraction has 7469 states and 10477 transitions. [2023-11-06 21:15:23,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-06 21:15:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 7469 states and 10477 transitions. [2023-11-06 21:15:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-06 21:15:23,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:23,545 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:23,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:15:23,546 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:15:23,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:23,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1047314971, now seen corresponding path program 1 times [2023-11-06 21:15:23,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:23,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991230353] [2023-11-06 21:15:23,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:23,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:15:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:15:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:15:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:15:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:15:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:15:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:15:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:15:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:15:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:15:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:15:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:15:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:15:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:15:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:15:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:15:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:15:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:15:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:15:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:15:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:15:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:15:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2023-11-06 21:15:24,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:24,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991230353] [2023-11-06 21:15:24,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991230353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:24,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:24,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:15:24,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837867974] [2023-11-06 21:15:24,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:24,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:15:24,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:24,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:15:24,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:24,953 INFO L87 Difference]: Start difference. First operand 7469 states and 10477 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:15:30,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:33,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:38,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:40,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:44,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:46,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:46,654 INFO L93 Difference]: Finished difference Result 18717 states and 26466 transitions. [2023-11-06 21:15:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:15:46,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2023-11-06 21:15:46,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:46,758 INFO L225 Difference]: With dead ends: 18717 [2023-11-06 21:15:46,758 INFO L226 Difference]: Without dead ends: 11295 [2023-11-06 21:15:46,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:15:46,805 INFO L413 NwaCegarLoop]: 4575 mSDtfsCounter, 5966 mSDsluCounter, 6548 mSDsCounter, 0 mSdLazyCounter, 3362 mSolverCounterSat, 2234 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6743 SdHoareTripleChecker+Valid, 11123 SdHoareTripleChecker+Invalid, 5600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2234 IncrementalHoareTripleChecker+Valid, 3362 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:46,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 11123 Invalid, 5600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2234 Valid, 3362 Invalid, 4 Unknown, 0 Unchecked, 20.8s Time] [2023-11-06 21:15:46,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11295 states. [2023-11-06 21:15:47,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11295 to 11066. [2023-11-06 21:15:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11066 states, 7771 states have (on average 1.282975164071548) internal successors, (9970), 7899 states have internal predecessors, (9970), 2770 states have call successors, (2770), 522 states have call predecessors, (2770), 521 states have return successors, (2766), 2716 states have call predecessors, (2766), 2766 states have call successors, (2766) [2023-11-06 21:15:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11066 states to 11066 states and 15506 transitions. [2023-11-06 21:15:47,694 INFO L78 Accepts]: Start accepts. Automaton has 11066 states and 15506 transitions. Word has length 267 [2023-11-06 21:15:47,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:47,697 INFO L495 AbstractCegarLoop]: Abstraction has 11066 states and 15506 transitions. [2023-11-06 21:15:47,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:15:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 11066 states and 15506 transitions. [2023-11-06 21:15:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-06 21:15:47,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:47,708 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:47,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:15:47,708 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:15:47,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:47,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1239212476, now seen corresponding path program 1 times [2023-11-06 21:15:47,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:47,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341093798] [2023-11-06 21:15:47,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:47,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:15:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:15:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:15:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:15:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:15:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:15:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:15:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:15:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:15:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:15:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:15:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:15:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:15:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:15:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:15:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:15:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:15:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:15:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:15:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:15:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:15:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:15:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:15:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-06 21:15:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-06 21:15:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2023-11-06 21:15:49,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:49,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341093798] [2023-11-06 21:15:49,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341093798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:49,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:49,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:15:49,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044865557] [2023-11-06 21:15:49,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:49,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:15:49,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:49,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:15:49,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:49,215 INFO L87 Difference]: Start difference. First operand 11066 states and 15506 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 21:15:54,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:15:58,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:58,552 INFO L93 Difference]: Finished difference Result 22042 states and 31084 transitions. [2023-11-06 21:15:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:15:58,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2023-11-06 21:15:58,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:58,646 INFO L225 Difference]: With dead ends: 22042 [2023-11-06 21:15:58,647 INFO L226 Difference]: Without dead ends: 11023 [2023-11-06 21:15:58,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:15:58,703 INFO L413 NwaCegarLoop]: 4338 mSDtfsCounter, 5131 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 1350 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5771 SdHoareTripleChecker+Valid, 6999 SdHoareTripleChecker+Invalid, 3146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1350 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:58,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5771 Valid, 6999 Invalid, 3146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1350 Valid, 1795 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2023-11-06 21:15:58,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11023 states. [2023-11-06 21:15:59,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11023 to 10826. [2023-11-06 21:15:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10826 states, 7622 states have (on average 1.283127787982157) internal successors, (9780), 7741 states have internal predecessors, (9780), 2684 states have call successors, (2684), 517 states have call predecessors, (2684), 516 states have return successors, (2680), 2633 states have call predecessors, (2680), 2680 states have call successors, (2680) [2023-11-06 21:15:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10826 states to 10826 states and 15144 transitions. [2023-11-06 21:15:59,598 INFO L78 Accepts]: Start accepts. Automaton has 10826 states and 15144 transitions. Word has length 269 [2023-11-06 21:15:59,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:59,599 INFO L495 AbstractCegarLoop]: Abstraction has 10826 states and 15144 transitions. [2023-11-06 21:15:59,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 21:15:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 10826 states and 15144 transitions. [2023-11-06 21:15:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-11-06 21:15:59,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:59,608 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:59,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:15:59,608 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:15:59,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:59,609 INFO L85 PathProgramCache]: Analyzing trace with hash -628094455, now seen corresponding path program 1 times [2023-11-06 21:15:59,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:59,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408258041] [2023-11-06 21:15:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:59,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:16:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:16:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:16:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:16:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:16:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:16:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:16:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:16:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:16:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:16:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:16:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:16:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:16:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:16:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:16:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:16:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:16:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:16:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:16:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:16:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:16:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:16:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2023-11-06 21:16:00,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:16:00,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408258041] [2023-11-06 21:16:00,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408258041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:16:00,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:16:00,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:16:00,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430376933] [2023-11-06 21:16:00,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:16:00,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:16:00,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:16:00,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:16:00,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:16:00,804 INFO L87 Difference]: Start difference. First operand 10826 states and 15144 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:16:07,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:09,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:11,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:13,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:18,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:16:18,460 INFO L93 Difference]: Finished difference Result 32212 states and 45454 transitions. [2023-11-06 21:16:18,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:16:18,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2023-11-06 21:16:18,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:16:18,563 INFO L225 Difference]: With dead ends: 32212 [2023-11-06 21:16:18,563 INFO L226 Difference]: Without dead ends: 21454 [2023-11-06 21:16:18,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:16:18,602 INFO L413 NwaCegarLoop]: 4773 mSDtfsCounter, 5614 mSDsluCounter, 6503 mSDsCounter, 0 mSdLazyCounter, 3569 mSolverCounterSat, 2056 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6337 SdHoareTripleChecker+Valid, 11276 SdHoareTripleChecker+Invalid, 5628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2056 IncrementalHoareTripleChecker+Valid, 3569 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:16:18,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6337 Valid, 11276 Invalid, 5628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2056 Valid, 3569 Invalid, 3 Unknown, 0 Unchecked, 16.4s Time] [2023-11-06 21:16:18,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21454 states. [2023-11-06 21:16:20,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21454 to 21024. [2023-11-06 21:16:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21024 states, 14787 states have (on average 1.2807871779265572) internal successors, (18939), 15028 states have internal predecessors, (18939), 5209 states have call successors, (5209), 1025 states have call predecessors, (5209), 1024 states have return successors, (5205), 5102 states have call predecessors, (5205), 5205 states have call successors, (5205) [2023-11-06 21:16:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21024 states to 21024 states and 29353 transitions. [2023-11-06 21:16:20,213 INFO L78 Accepts]: Start accepts. Automaton has 21024 states and 29353 transitions. Word has length 273 [2023-11-06 21:16:20,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:16:20,214 INFO L495 AbstractCegarLoop]: Abstraction has 21024 states and 29353 transitions. [2023-11-06 21:16:20,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:16:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21024 states and 29353 transitions. [2023-11-06 21:16:20,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-11-06 21:16:20,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:16:20,222 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:16:20,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:16:20,223 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:16:20,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:16:20,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1737515691, now seen corresponding path program 1 times [2023-11-06 21:16:20,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:16:20,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532722573] [2023-11-06 21:16:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:16:20,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:16:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:16:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:16:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:16:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:16:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:16:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:16:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:16:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:16:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:16:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:16:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:16:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:16:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:16:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:16:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:16:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:16:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:16:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:16:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:16:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:16:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:16:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:16:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 21:16:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2023-11-06 21:16:21,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:16:21,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532722573] [2023-11-06 21:16:21,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532722573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:16:21,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:16:21,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:16:21,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806796686] [2023-11-06 21:16:21,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:16:21,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:16:21,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:16:21,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:16:21,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:16:21,316 INFO L87 Difference]: Start difference. First operand 21024 states and 29353 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-06 21:16:33,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:35,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:36,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:16:36,971 INFO L93 Difference]: Finished difference Result 58892 states and 82977 transitions. [2023-11-06 21:16:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:16:36,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 276 [2023-11-06 21:16:36,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:16:37,198 INFO L225 Difference]: With dead ends: 58892 [2023-11-06 21:16:37,198 INFO L226 Difference]: Without dead ends: 37936 [2023-11-06 21:16:37,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:16:37,276 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 4899 mSDsluCounter, 6281 mSDsCounter, 0 mSdLazyCounter, 3270 mSolverCounterSat, 2013 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 10635 SdHoareTripleChecker+Invalid, 5285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2013 IncrementalHoareTripleChecker+Valid, 3270 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-06 21:16:37,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5489 Valid, 10635 Invalid, 5285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2013 Valid, 3270 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2023-11-06 21:16:37,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37936 states. [2023-11-06 21:16:39,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37936 to 37340. [2023-11-06 21:16:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37340 states, 26102 states have (on average 1.2734656348172553) internal successors, (33240), 26539 states have internal predecessors, (33240), 9311 states have call successors, (9311), 1894 states have call predecessors, (9311), 1923 states have return successors, (9824), 9116 states have call predecessors, (9824), 9307 states have call successors, (9824) [2023-11-06 21:16:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37340 states to 37340 states and 52375 transitions. [2023-11-06 21:16:40,147 INFO L78 Accepts]: Start accepts. Automaton has 37340 states and 52375 transitions. Word has length 276 [2023-11-06 21:16:40,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:16:40,147 INFO L495 AbstractCegarLoop]: Abstraction has 37340 states and 52375 transitions. [2023-11-06 21:16:40,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-06 21:16:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 37340 states and 52375 transitions. [2023-11-06 21:16:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-11-06 21:16:40,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:16:40,160 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:16:40,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:16:40,160 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:16:40,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:16:40,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1990535788, now seen corresponding path program 1 times [2023-11-06 21:16:40,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:16:40,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812859050] [2023-11-06 21:16:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:16:40,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:16:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:16:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:16:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:16:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:16:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:16:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:16:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:16:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:16:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:16:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:16:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:16:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:16:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:16:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:16:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:16:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:16:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:16:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:16:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:16:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:16:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:16:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:16:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:16:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-06 21:16:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-06 21:16:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:16:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2019 trivial. 0 not checked. [2023-11-06 21:16:41,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:16:41,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812859050] [2023-11-06 21:16:41,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812859050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:16:41,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:16:41,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:16:41,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476613269] [2023-11-06 21:16:41,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:16:41,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:16:41,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:16:41,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:16:41,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:16:41,945 INFO L87 Difference]: Start difference. First operand 37340 states and 52375 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 21:16:45,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:55,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:16:58,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:17:00,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:17:01,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:17:01,396 INFO L93 Difference]: Finished difference Result 93852 states and 132212 transitions. [2023-11-06 21:17:01,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:17:01,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 298 [2023-11-06 21:17:01,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:17:01,979 INFO L225 Difference]: With dead ends: 93852 [2023-11-06 21:17:01,980 INFO L226 Difference]: Without dead ends: 56580 [2023-11-06 21:17:02,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:17:02,111 INFO L413 NwaCegarLoop]: 4589 mSDtfsCounter, 5863 mSDsluCounter, 6520 mSDsCounter, 0 mSdLazyCounter, 3294 mSolverCounterSat, 2152 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6606 SdHoareTripleChecker+Valid, 11109 SdHoareTripleChecker+Invalid, 5449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2152 IncrementalHoareTripleChecker+Valid, 3294 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:17:02,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6606 Valid, 11109 Invalid, 5449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2152 Valid, 3294 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2023-11-06 21:17:02,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56580 states. [2023-11-06 21:17:05,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56580 to 55702. [2023-11-06 21:17:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55702 states, 38949 states have (on average 1.2709183804462245) internal successors, (49501), 39625 states have internal predecessors, (49501), 13840 states have call successors, (13840), 2865 states have call predecessors, (13840), 2909 states have return successors, (14572), 13526 states have call predecessors, (14572), 13836 states have call successors, (14572) [2023-11-06 21:17:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55702 states to 55702 states and 77913 transitions. [2023-11-06 21:17:05,854 INFO L78 Accepts]: Start accepts. Automaton has 55702 states and 77913 transitions. Word has length 298 [2023-11-06 21:17:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:17:05,854 INFO L495 AbstractCegarLoop]: Abstraction has 55702 states and 77913 transitions. [2023-11-06 21:17:05,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 21:17:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 55702 states and 77913 transitions. [2023-11-06 21:17:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-11-06 21:17:05,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:17:05,863 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:17:05,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:17:05,864 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:17:05,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:17:05,864 INFO L85 PathProgramCache]: Analyzing trace with hash 723036053, now seen corresponding path program 1 times [2023-11-06 21:17:05,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:17:05,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570426853] [2023-11-06 21:17:05,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:17:05,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:17:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:17:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:17:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:17:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:17:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:17:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:17:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:17:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:17:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:17:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:17:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:17:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:17:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:17:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:17:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:17:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:17:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:17:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:17:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:17:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:17:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:17:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:17:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 21:17:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-06 21:17:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-11-06 21:17:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-06 21:17:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2023-11-06 21:17:07,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:17:07,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570426853] [2023-11-06 21:17:07,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570426853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:17:07,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:17:07,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:17:07,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626183711] [2023-11-06 21:17:07,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:17:07,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:17:07,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:17:07,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:17:07,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:17:07,635 INFO L87 Difference]: Start difference. First operand 55702 states and 77913 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-06 21:17:10,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:17:23,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:17:25,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:17:27,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:17:29,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:17:29,139 INFO L93 Difference]: Finished difference Result 143082 states and 200892 transitions. [2023-11-06 21:17:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:17:29,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 306 [2023-11-06 21:17:29,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:17:29,538 INFO L225 Difference]: With dead ends: 143082 [2023-11-06 21:17:29,538 INFO L226 Difference]: Without dead ends: 87448 [2023-11-06 21:17:29,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:17:29,728 INFO L413 NwaCegarLoop]: 6749 mSDtfsCounter, 4494 mSDsluCounter, 7689 mSDsCounter, 0 mSdLazyCounter, 4440 mSolverCounterSat, 1339 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5104 SdHoareTripleChecker+Valid, 14438 SdHoareTripleChecker+Invalid, 5782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1339 IncrementalHoareTripleChecker+Valid, 4440 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:17:29,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5104 Valid, 14438 Invalid, 5782 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1339 Valid, 4440 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2023-11-06 21:17:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87448 states. [2023-11-06 21:17:34,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87448 to 86062. [2023-11-06 21:17:34,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86062 states, 60432 states have (on average 1.2711477362986496) internal successors, (76818), 61503 states have internal predecessors, (76818), 20930 states have call successors, (20930), 4649 states have call predecessors, (20930), 4696 states have return successors, (22048), 20385 states have call predecessors, (22048), 20926 states have call successors, (22048) [2023-11-06 21:17:34,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86062 states to 86062 states and 119796 transitions. [2023-11-06 21:17:34,878 INFO L78 Accepts]: Start accepts. Automaton has 86062 states and 119796 transitions. Word has length 306 [2023-11-06 21:17:34,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:17:34,879 INFO L495 AbstractCegarLoop]: Abstraction has 86062 states and 119796 transitions. [2023-11-06 21:17:34,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-06 21:17:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 86062 states and 119796 transitions. [2023-11-06 21:17:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-11-06 21:17:34,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:17:34,887 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:17:34,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 21:17:34,888 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-06 21:17:34,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:17:34,888 INFO L85 PathProgramCache]: Analyzing trace with hash 965288524, now seen corresponding path program 1 times [2023-11-06 21:17:34,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:17:34,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457037473] [2023-11-06 21:17:34,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:17:34,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:17:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 21:17:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:17:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 21:17:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 21:17:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 21:17:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 21:17:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 21:17:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:17:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 21:17:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 21:17:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 21:17:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 21:17:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 21:17:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:17:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 21:17:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 21:17:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 21:17:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 21:17:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 21:17:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 21:17:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 21:17:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 21:17:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-06 21:17:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 21:17:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-06 21:17:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-06 21:17:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-06 21:17:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:17:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-06 21:17:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-06 21:17:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-06 21:17:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:17:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2023-11-06 21:17:36,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:17:36,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457037473] [2023-11-06 21:17:36,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457037473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:17:36,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:17:36,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:17:36,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155247618] [2023-11-06 21:17:36,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:17:36,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:17:36,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:17:36,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:17:36,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:17:36,360 INFO L87 Difference]: Start difference. First operand 86062 states and 119796 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-06 21:17:39,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []