./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73ecee8eedb0e3495ea3ea96569137c1cfa2b173c42f999b4aef52ca9331e2d3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:14,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:14,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:15:14,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:14,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:14,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:14,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:14,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:14,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:14,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:14,648 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:14,649 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:14,649 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:14,650 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:15:14,651 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:14,651 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:14,652 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:15:14,657 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:15:14,657 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:14,658 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:15:14,659 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:15:14,660 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:15:14,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:14,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:14,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:15:14,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:14,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:14,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:14,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:14,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:14,671 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:14,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:14,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:14,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:14,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:14,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:14,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:14,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:14,675 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:15:14,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:15:14,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:14,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:14,677 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:14,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:14,678 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73ecee8eedb0e3495ea3ea96569137c1cfa2b173c42f999b4aef52ca9331e2d3 [2023-11-24 23:15:15,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:15,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:15,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:15,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:15,038 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:15,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i [2023-11-24 23:15:18,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:19,003 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:19,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i [2023-11-24 23:15:19,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/data/9bf1775e6/d3a8ac061ebf4fdba610c1320c51b901/FLAG4b27be8ef [2023-11-24 23:15:19,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/data/9bf1775e6/d3a8ac061ebf4fdba610c1320c51b901 [2023-11-24 23:15:19,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:19,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:19,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:19,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:19,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:19,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:19" (1/1) ... [2023-11-24 23:15:19,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba06a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:19, skipping insertion in model container [2023-11-24 23:15:19,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:19" (1/1) ... [2023-11-24 23:15:19,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:23,108 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367316,367329] [2023-11-24 23:15:23,112 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367485,367498] [2023-11-24 23:15:23,113 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367652,367665] [2023-11-24 23:15:23,113 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367820,367833] [2023-11-24 23:15:23,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:23,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:15:23,455 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"); [7818] [2023-11-24 23:15:23,457 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)); [7825] [2023-11-24 23:15:23,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7832] [2023-11-24 23:15:23,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [7847-7848] [2023-11-24 23:15:23,459 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)); [7879-7880] [2023-11-24 23:15:23,460 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"); [7885-7887] [2023-11-24 23:15:23,462 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/scatterlist.h"), "i" (98), "i" (12UL)); [7942-7943] [2023-11-24 23:15:23,462 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/scatterlist.h"), "i" (99), "i" (12UL)); [7953-7954] [2023-11-24 23:15:23,466 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" (52), "i" (12UL)); [8052-8053] [2023-11-24 23:15:23,468 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" (65), "i" (12UL)); [8082-8083] [2023-11-24 23:15:23,821 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367316,367329] [2023-11-24 23:15:23,822 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367485,367498] [2023-11-24 23:15:23,822 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367652,367665] [2023-11-24 23:15:23,823 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_24555269-aff7-417a-bb43-99a490e42485/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367820,367833] [2023-11-24 23:15:23,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:24,137 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:15:24,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24 WrapperNode [2023-11-24 23:15:24,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:24,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:24,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:15:24,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:15:24,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:24,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,571 INFO L138 Inliner]: procedures = 501, calls = 3569, calls flagged for inlining = 277, calls inlined = 264, statements flattened = 8309 [2023-11-24 23:15:25,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:25,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:15:25,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:15:25,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:15:25,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:25,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:26,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:26,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:27,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:27,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:27,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:27,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:27,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:15:27,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:15:27,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:15:27,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:15:27,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (1/1) ... [2023-11-24 23:15:27,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:27,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:15:27,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24555269-aff7-417a-bb43-99a490e42485/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:15:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_mmap [2023-11-24 23:15:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_mmap [2023-11-24 23:15:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_start [2023-11-24 23:15:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_start [2023-11-24 23:15:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:15:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:15:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-24 23:15:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-24 23:15:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure to_cam [2023-11-24 23:15:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cam [2023-11-24 23:15:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_buffer_done [2023-11-24 23:15:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_buffer_done [2023-11-24 23:15:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:15:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:15:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure mccic_register [2023-11-24 23:15:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mccic_register [2023-11-24 23:15:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_power_down [2023-11-24 23:15:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_power_down [2023-11-24 23:15:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:15:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:15:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_cleanup [2023-11-24 23:15:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_cleanup [2023-11-24 23:15:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:15:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:15:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_alloc_dma_bufs [2023-11-24 23:15:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_alloc_dma_bufs [2023-11-24 23:15:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-11-24 23:15:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-11-24 23:15:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:15:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:15:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:15:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:15:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure vb_to_mvb [2023-11-24 23:15:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vb_to_mvb [2023-11-24 23:15:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_smbus_read_done [2023-11-24 23:15:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_smbus_read_done [2023-11-24 23:15:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_53 [2023-11-24 23:15:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_53 [2023-11-24 23:15:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_open [2023-11-24 23:15:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_open [2023-11-24 23:15:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-24 23:15:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-24 23:15:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:15:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:15:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_read [2023-11-24 23:15:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_read [2023-11-24 23:15:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:15:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:15:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_stop_streaming [2023-11-24 23:15:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_stop_streaming [2023-11-24 23:15:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:15:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_init [2023-11-24 23:15:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_init [2023-11-24 23:15:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_shutdown [2023-11-24 23:15:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_shutdown [2023-11-24 23:15:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_free_dma_bufs [2023-11-24 23:15:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_free_dma_bufs [2023-11-24 23:15:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_mcam_camera [2023-11-24 23:15:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_mcam_camera [2023-11-24 23:15:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure __mcam_cam_reset [2023-11-24 23:15:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __mcam_cam_reset [2023-11-24 23:15:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:15:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:15:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:15:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_set_config_needed [2023-11-24 23:15:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_set_config_needed [2023-11-24 23:15:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:15:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:15:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:15:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_pci_resume [2023-11-24 23:15:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_pci_resume [2023-11-24 23:15:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:15:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:15:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:15:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:15:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-24 23:15:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-24 23:15:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:15:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:15:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_set_contig_buffer [2023-11-24 23:15:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_set_contig_buffer [2023-11-24 23:15:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-24 23:15:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-24 23:15:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_pci_remove [2023-11-24 23:15:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_pci_remove [2023-11-24 23:15:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure mccic_resume [2023-11-24 23:15:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mccic_resume [2023-11-24 23:15:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-24 23:15:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-24 23:15:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_cookie [2023-11-24 23:15:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_cookie [2023-11-24 23:15:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_stop [2023-11-24 23:15:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_stop [2023-11-24 23:15:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:15:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:15:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:15:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:15:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:15:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:15:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:15:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-24 23:15:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-24 23:15:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_pci_probe [2023-11-24 23:15:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_pci_probe [2023-11-24 23:15:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:15:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:15:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_smbus_shutdown [2023-11-24 23:15:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_smbus_shutdown [2023-11-24 23:15:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:15:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:15:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:15:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:15:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:15:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:15:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:15:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:15:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:15:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:15:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-24 23:15:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-24 23:15:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:15:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:15:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_dma_sg [2023-11-24 23:15:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_dma_sg [2023-11-24 23:15:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_dev_lock_of_mcam_camera [2023-11-24 23:15:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_dev_lock_of_mcam_camera [2023-11-24 23:15:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_find_format [2023-11-24 23:15:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_find_format [2023-11-24 23:15:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_prepare [2023-11-24 23:15:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_prepare [2023-11-24 23:15:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:15:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:15:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-24 23:15:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-24 23:15:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-24 23:15:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-24 23:15:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_configure [2023-11-24 23:15:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_configure [2023-11-24 23:15:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_sg_next_buffer [2023-11-24 23:15:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_sg_next_buffer [2023-11-24 23:15:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-24 23:15:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-24 23:15:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:15:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:15:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_finish [2023-11-24 23:15:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_finish [2023-11-24 23:15:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 23:15:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 23:15:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:15:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:15:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_poll [2023-11-24 23:15:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_poll [2023-11-24 23:15:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:15:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:15:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:15:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:15:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_ctlr_init [2023-11-24 23:15:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_ctlr_init [2023-11-24 23:15:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_clear_bit [2023-11-24 23:15:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_clear_bit [2023-11-24 23:15:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_cam_set_flip [2023-11-24 23:15:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_cam_set_flip [2023-11-24 23:15:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_stop_dma [2023-11-24 23:15:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_stop_dma [2023-11-24 23:15:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-24 23:15:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-24 23:15:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_cam_configure [2023-11-24 23:15:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_cam_configure [2023-11-24 23:15:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_buf_queue [2023-11-24 23:15:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_buf_queue [2023-11-24 23:15:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:15:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:15:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_read_setup [2023-11-24 23:15:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_read_setup [2023-11-24 23:15:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-24 23:15:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-24 23:15:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:15:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:15:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_write [2023-11-24 23:15:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_write [2023-11-24 23:15:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cafe_exit_9_2 [2023-11-24 23:15:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cafe_exit_9_2 [2023-11-24 23:15:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-24 23:15:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-24 23:15:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_release [2023-11-24 23:15:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_release [2023-11-24 23:15:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:15:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:15:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:15:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:15:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:15:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fill_mbus_format [2023-11-24 23:15:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fill_mbus_format [2023-11-24 23:15:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:15:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:15:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_ctlr_power_up [2023-11-24 23:15:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_ctlr_power_up [2023-11-24 23:15:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_write_mask [2023-11-24 23:15:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_write_mask [2023-11-24 23:15:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:15:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:15:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 23:15:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 23:15:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_power_up [2023-11-24 23:15:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_power_up [2023-11-24 23:15:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:15:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:15:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:15:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:15:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:15:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:15:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:15:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:15:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2023-11-24 23:15:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2023-11-24 23:15:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-24 23:15:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-24 23:15:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-24 23:15:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-24 23:15:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:15:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:15:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:15:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:15:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_disable_mipi [2023-11-24 23:15:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_disable_mipi [2023-11-24 23:15:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:15:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_smbus_write_done [2023-11-24 23:15:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_smbus_write_done [2023-11-24 23:15:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_cam_init [2023-11-24 23:15:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_cam_init [2023-11-24 23:15:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:15:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:15:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure mccic_shutdown [2023-11-24 23:15:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mccic_shutdown [2023-11-24 23:15:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vidioc_try_fmt_vid_cap [2023-11-24 23:15:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vidioc_try_fmt_vid_cap [2023-11-24 23:15:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_set_bit [2023-11-24 23:15:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_set_bit [2023-11-24 23:15:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-24 23:15:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-24 23:15:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2023-11-24 23:15:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2023-11-24 23:15:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_sg_plane_desc [2023-11-24 23:15:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_sg_plane_desc [2023-11-24 23:15:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:15:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:15:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_ctlr_power_down [2023-11-24 23:15:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_ctlr_power_down [2023-11-24 23:15:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-24 23:15:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-24 23:15:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_wait_finish [2023-11-24 23:15:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_wait_finish [2023-11-24 23:15:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_queue_release [2023-11-24 23:15:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_queue_release [2023-11-24 23:15:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_wait_prepare [2023-11-24 23:15:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_wait_prepare [2023-11-24 23:15:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:15:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:15:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-24 23:15:27,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-24 23:15:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:15:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:15:27,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:15:28,792 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:15:28,796 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:29,000 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:15:46,667 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:15:46,786 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:15:48,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:15:48,515 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:15:48,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:48 BoogieIcfgContainer [2023-11-24 23:15:48,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:15:48,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:15:48,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:15:48,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:15:48,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:15:19" (1/3) ... [2023-11-24 23:15:48,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e326ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:48, skipping insertion in model container [2023-11-24 23:15:48,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:24" (2/3) ... [2023-11-24 23:15:48,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e326ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:48, skipping insertion in model container [2023-11-24 23:15:48,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:48" (3/3) ... [2023-11-24 23:15:48,531 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i [2023-11-24 23:15:48,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:15:48,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:15:48,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:15:48,671 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36d4354c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:15:48,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:15:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 1831 states, 1060 states have (on average 1.3113207547169812) internal successors, (1390), 1102 states have internal predecessors, (1390), 645 states have call successors, (645), 125 states have call predecessors, (645), 124 states have return successors, (637), 622 states have call predecessors, (637), 637 states have call successors, (637) [2023-11-24 23:15:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-11-24 23:15:48,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:48,717 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:48,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:15:48,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:48,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1279404058, now seen corresponding path program 1 times [2023-11-24 23:15:48,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:48,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482930827] [2023-11-24 23:15:48,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:48,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2023-11-24 23:15:50,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:50,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482930827] [2023-11-24 23:15:50,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482930827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:50,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:50,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:50,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103989392] [2023-11-24 23:15:50,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:50,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:50,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:50,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:50,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:50,297 INFO L87 Difference]: Start difference. First operand has 1831 states, 1060 states have (on average 1.3113207547169812) internal successors, (1390), 1102 states have internal predecessors, (1390), 645 states have call successors, (645), 125 states have call predecessors, (645), 124 states have return successors, (637), 622 states have call predecessors, (637), 637 states have call successors, (637) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-24 23:15:55,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:55,960 INFO L93 Difference]: Finished difference Result 5277 states and 8023 transitions. [2023-11-24 23:15:55,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:55,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 285 [2023-11-24 23:15:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:56,054 INFO L225 Difference]: With dead ends: 5277 [2023-11-24 23:15:56,054 INFO L226 Difference]: Without dead ends: 3484 [2023-11-24 23:15:56,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:56,089 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2502 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 4639 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:56,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 4639 Invalid, 711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-24 23:15:56,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2023-11-24 23:15:56,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3461. [2023-11-24 23:15:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3461 states, 2008 states have (on average 1.3067729083665338) internal successors, (2624), 2090 states have internal predecessors, (2624), 1209 states have call successors, (1209), 244 states have call predecessors, (1209), 241 states have return successors, (1297), 1167 states have call predecessors, (1297), 1205 states have call successors, (1297) [2023-11-24 23:15:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 3461 states and 5130 transitions. [2023-11-24 23:15:56,594 INFO L78 Accepts]: Start accepts. Automaton has 3461 states and 5130 transitions. Word has length 285 [2023-11-24 23:15:56,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:56,601 INFO L495 AbstractCegarLoop]: Abstraction has 3461 states and 5130 transitions. [2023-11-24 23:15:56,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-24 23:15:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3461 states and 5130 transitions. [2023-11-24 23:15:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-24 23:15:56,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:56,626 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2023-11-24 23:15:56,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:15:56,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:15:56,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:56,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1426655804, now seen corresponding path program 1 times [2023-11-24 23:15:56,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:56,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075688647] [2023-11-24 23:15:56,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:56,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2023-11-24 23:15:57,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:57,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075688647] [2023-11-24 23:15:57,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075688647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:57,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:57,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:57,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974642372] [2023-11-24 23:15:57,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:57,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:57,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:57,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:57,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:57,754 INFO L87 Difference]: Start difference. First operand 3461 states and 5130 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32)