./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire --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 d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:31,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:31,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:14:31,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:31,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:31,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:31,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:31,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:31,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:31,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:31,938 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:31,939 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:31,939 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:31,941 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:31,942 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:31,942 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:31,943 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:31,943 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:31,944 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:31,945 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:31,945 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:31,946 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:31,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:31,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:31,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:31,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:31,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:31,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:31,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:31,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:31,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:31,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:31,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:31,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:31,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:31,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:31,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:31,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:31,954 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:31,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:31,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:31,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:31,955 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:31,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:31,956 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_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 [2023-11-23 21:14:32,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:32,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:32,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:32,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:32,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:32,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2023-11-23 21:14:35,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:36,487 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:36,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2023-11-23 21:14:36,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/data/a172f076f/87a109d4c1b54859b0404e68ad69e568/FLAG6f8b802c8 [2023-11-23 21:14:36,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/data/a172f076f/87a109d4c1b54859b0404e68ad69e568 [2023-11-23 21:14:36,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:36,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:36,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:36,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:36,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:36,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3a634e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36, skipping insertion in model container [2023-11-23 21:14:36,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:39,613 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_883c54ad-a63e-45e8-9217-c7f71d8e0df8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2023-11-23 21:14:39,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:39,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:39,916 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"); [4080] [2023-11-23 21:14:39,919 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)); [4087] [2023-11-23 21:14:39,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4094] [2023-11-23 21:14:39,920 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [4103-4104] [2023-11-23 21:14:39,922 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)); [4118-4119] [2023-11-23 21:14:39,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4128] [2023-11-23 21:14:39,930 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)); [4360] [2023-11-23 21:14:39,930 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; decl %0": "+m" (v->counter)); [4367] [2023-11-23 21:14:39,951 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/ldvuser/mutilin/launch/inst/current/envs/linux-4.2-rc1.tar.xz/linux-4.2-rc1/drivers/md/dm-exception-store.h"), "i" (155), "i" (12UL)); [4618-4619] [2023-11-23 21:14:39,952 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/ldvuser/mutilin/launch/inst/current/envs/linux-4.2-rc1.tar.xz/linux-4.2-rc1/drivers/md/dm-exception-store.h"), "i" (160), "i" (12UL)); [4635-4636] [2023-11-23 21:14:39,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5331] [2023-11-23 21:14:39,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5518] [2023-11-23 21:14:40,003 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap.c"), "i" (962), "i" (12UL)); [5655-5656] [2023-11-23 21:14:40,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6059] [2023-11-23 21:14:40,039 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap.c"), "i" (1347), "i" (12UL)); [6066-6067] [2023-11-23 21:14:40,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [8135] [2023-11-23 21:14:40,257 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [9032-9033] [2023-11-23 21:14:40,275 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap-persistent.c"), "i" (406), "i" (12UL)); [9329-9330] [2023-11-23 21:14:40,301 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/1386/dscv_tempdir/dscv/ri/43_2a/drivers/md/dm-snap-persistent.c"), "i" (810), "i" (12UL)); [9763-9764] [2023-11-23 21:14:40,321 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_883c54ad-a63e-45e8-9217-c7f71d8e0df8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2023-11-23 21:14:40,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:40,642 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:40,651 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:40,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40 WrapperNode [2023-11-23 21:14:40,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:40,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:40,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:40,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:40,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:40,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,154 INFO L138 Inliner]: procedures = 381, calls = 2899, calls flagged for inlining = 159, calls inlined = 153, statements flattened = 6960 [2023-11-23 21:14:41,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:41,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:41,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:41,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:41,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:41,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:41,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:41,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:41,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (1/1) ... [2023-11-23 21:14:41,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:41,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:41,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_883c54ad-a63e-45e8-9217-c7f71d8e0df8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2023-11-23 21:14:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2023-11-23 21:14:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:14:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:14:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2023-11-23 21:14:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2023-11-23 21:14:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2023-11-23 21:14:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2023-11-23 21:14:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-11-23 21:14:41,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-11-23 21:14:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-23 21:14:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-23 21:14:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:14:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:14:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2023-11-23 21:14:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2023-11-23 21:14:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2023-11-23 21:14:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2023-11-23 21:14:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:14:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:14:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:14:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:14:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2023-11-23 21:14:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2023-11-23 21:14:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:14:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:14:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2023-11-23 21:14:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2023-11-23 21:14:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2023-11-23 21:14:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2023-11-23 21:14:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2023-11-23 21:14:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2023-11-23 21:14:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2023-11-23 21:14:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2023-11-23 21:14:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2023-11-23 21:14:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2023-11-23 21:14:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2023-11-23 21:14:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2023-11-23 21:14:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:14:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:14:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:14:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:14:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-23 21:14:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-23 21:14:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2023-11-23 21:14:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2023-11-23 21:14:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2023-11-23 21:14:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2023-11-23 21:14:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2023-11-23 21:14:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2023-11-23 21:14:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2023-11-23 21:14:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2023-11-23 21:14:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2023-11-23 21:14:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2023-11-23 21:14:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2023-11-23 21:14:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2023-11-23 21:14:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2023-11-23 21:14:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2023-11-23 21:14:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2023-11-23 21:14:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2023-11-23 21:14:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-23 21:14:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-23 21:14:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2023-11-23 21:14:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2023-11-23 21:14:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2023-11-23 21:14:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2023-11-23 21:14:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:14:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:14:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:14:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:14:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2023-11-23 21:14:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2023-11-23 21:14:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2023-11-23 21:14:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2023-11-23 21:14:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:14:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:14:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:14:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:14:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2023-11-23 21:14:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2023-11-23 21:14:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2023-11-23 21:14:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2023-11-23 21:14:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2023-11-23 21:14:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2023-11-23 21:14:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2023-11-23 21:14:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2023-11-23 21:14:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:14:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:14:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure origin_postsuspend [2023-11-23 21:14:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_postsuspend [2023-11-23 21:14:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2023-11-23 21:14:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2023-11-23 21:14:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:14:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:14:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2023-11-23 21:14:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2023-11-23 21:14:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-23 21:14:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-23 21:14:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2023-11-23 21:14:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2023-11-23 21:14:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2023-11-23 21:14:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2023-11-23 21:14:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2023-11-23 21:14:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2023-11-23 21:14:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-11-23 21:14:41,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-11-23 21:14:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2023-11-23 21:14:41,945 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2023-11-23 21:14:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:14:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:14:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2023-11-23 21:14:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2023-11-23 21:14:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2023-11-23 21:14:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2023-11-23 21:14:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2023-11-23 21:14:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2023-11-23 21:14:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-23 21:14:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-23 21:14:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2023-11-23 21:14:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2023-11-23 21:14:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2023-11-23 21:14:41,950 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2023-11-23 21:14:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2023-11-23 21:14:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2023-11-23 21:14:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2023-11-23 21:14:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2023-11-23 21:14:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2023-11-23 21:14:41,956 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2023-11-23 21:14:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2023-11-23 21:14:41,957 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2023-11-23 21:14:41,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:14:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2023-11-23 21:14:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2023-11-23 21:14:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2023-11-23 21:14:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2023-11-23 21:14:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:14:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:14:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2023-11-23 21:14:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2023-11-23 21:14:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:14:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:14:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:14:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:14:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2023-11-23 21:14:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2023-11-23 21:14:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2023-11-23 21:14:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2023-11-23 21:14:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2023-11-23 21:14:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2023-11-23 21:14:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2023-11-23 21:14:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2023-11-23 21:14:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2023-11-23 21:14:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2023-11-23 21:14:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-23 21:14:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-23 21:14:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:14:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2023-11-23 21:14:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2023-11-23 21:14:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2023-11-23 21:14:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2023-11-23 21:14:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:14:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:14:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2023-11-23 21:14:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2023-11-23 21:14:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2023-11-23 21:14:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2023-11-23 21:14:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2023-11-23 21:14:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2023-11-23 21:14:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:14:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:14:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:14:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:14:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2023-11-23 21:14:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2023-11-23 21:14:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:14:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:14:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2023-11-23 21:14:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2023-11-23 21:14:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:14:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2023-11-23 21:14:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2023-11-23 21:14:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2023-11-23 21:14:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2023-11-23 21:14:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2023-11-23 21:14:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2023-11-23 21:14:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2023-11-23 21:14:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2023-11-23 21:14:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2023-11-23 21:14:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2023-11-23 21:14:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:14:41,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:14:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2023-11-23 21:14:41,978 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2023-11-23 21:14:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-11-23 21:14:41,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-11-23 21:14:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:14:41,979 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:14:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:14:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2023-11-23 21:14:41,979 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2023-11-23 21:14:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:14:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-23 21:14:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-23 21:14:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2023-11-23 21:14:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2023-11-23 21:14:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2023-11-23 21:14:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2023-11-23 21:14:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2023-11-23 21:14:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2023-11-23 21:14:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2023-11-23 21:14:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2023-11-23 21:14:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:14:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:14:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:14:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:14:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2023-11-23 21:14:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2023-11-23 21:14:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2023-11-23 21:14:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2023-11-23 21:14:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2023-11-23 21:14:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2023-11-23 21:14:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2023-11-23 21:14:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2023-11-23 21:14:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:14:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:14:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2023-11-23 21:14:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2023-11-23 21:14:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2023-11-23 21:14:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2023-11-23 21:14:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-23 21:14:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-23 21:14:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2023-11-23 21:14:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2023-11-23 21:14:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:14:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:14:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2023-11-23 21:14:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2023-11-23 21:14:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2023-11-23 21:14:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2023-11-23 21:14:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2023-11-23 21:14:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2023-11-23 21:14:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2023-11-23 21:14:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2023-11-23 21:14:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2023-11-23 21:14:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2023-11-23 21:14:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2023-11-23 21:14:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2023-11-23 21:14:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2023-11-23 21:14:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2023-11-23 21:14:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:14:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:14:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:14:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:14:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2023-11-23 21:14:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2023-11-23 21:14:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2023-11-23 21:14:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2023-11-23 21:14:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2023-11-23 21:14:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2023-11-23 21:14:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:14:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:14:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2023-11-23 21:14:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2023-11-23 21:14:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2023-11-23 21:14:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2023-11-23 21:14:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2023-11-23 21:14:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2023-11-23 21:14:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2023-11-23 21:14:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2023-11-23 21:14:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure skip_metadata [2023-11-23 21:14:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_metadata [2023-11-23 21:14:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2023-11-23 21:14:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2023-11-23 21:14:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2023-11-23 21:14:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2023-11-23 21:14:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-23 21:14:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:14:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:14:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-23 21:14:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-23 21:14:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2023-11-23 21:14:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2023-11-23 21:14:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2023-11-23 21:14:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2023-11-23 21:14:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:14:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:14:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2023-11-23 21:14:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2023-11-23 21:14:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:14:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:14:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:14:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:14:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2023-11-23 21:14:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2023-11-23 21:14:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:14:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2023-11-23 21:14:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2023-11-23 21:14:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2023-11-23 21:14:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2023-11-23 21:14:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2023-11-23 21:14:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2023-11-23 21:14:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2023-11-23 21:14:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2023-11-23 21:14:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2023-11-23 21:14:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2023-11-23 21:14:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:14:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:14:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2023-11-23 21:14:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2023-11-23 21:14:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-23 21:14:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-23 21:14:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:14:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:14:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-23 21:14:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-23 21:14:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2023-11-23 21:14:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2023-11-23 21:14:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:14:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:14:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2023-11-23 21:14:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2023-11-23 21:14:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2023-11-23 21:14:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2023-11-23 21:14:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2023-11-23 21:14:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2023-11-23 21:14:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2023-11-23 21:14:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2023-11-23 21:14:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2023-11-23 21:14:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2023-11-23 21:14:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2023-11-23 21:14:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2023-11-23 21:14:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2023-11-23 21:14:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2023-11-23 21:14:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-23 21:14:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-23 21:14:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:14:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:14:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:14:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:14:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2023-11-23 21:14:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2023-11-23 21:14:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2023-11-23 21:14:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2023-11-23 21:14:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2023-11-23 21:14:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2023-11-23 21:14:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2023-11-23 21:14:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2023-11-23 21:14:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2023-11-23 21:14:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2023-11-23 21:14:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2023-11-23 21:14:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2023-11-23 21:14:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-11-23 21:14:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-11-23 21:14:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2023-11-23 21:14:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2023-11-23 21:14:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2023-11-23 21:14:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2023-11-23 21:14:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:14:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:14:43,054 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:43,060 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:43,273 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:14:54,410 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:56,256 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:56,256 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:56,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:56 BoogieIcfgContainer [2023-11-23 21:14:56,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:56,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:56,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:56,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:56,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:36" (1/3) ... [2023-11-23 21:14:56,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12624ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:56, skipping insertion in model container [2023-11-23 21:14:56,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:40" (2/3) ... [2023-11-23 21:14:56,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12624ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:56, skipping insertion in model container [2023-11-23 21:14:56,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:56" (3/3) ... [2023-11-23 21:14:56,271 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2023-11-23 21:14:56,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:56,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:56,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:56,444 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;@5c379b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:56,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 2530 states, 1537 states have (on average 1.3422251138581653) internal successors, (2063), 1602 states have internal predecessors, (2063), 815 states have call successors, (815), 177 states have call predecessors, (815), 176 states have return successors, (806), 783 states have call predecessors, (806), 806 states have call successors, (806) [2023-11-23 21:14:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-11-23 21:14:56,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:56,529 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:56,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:56,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:56,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1340736363, now seen corresponding path program 1 times [2023-11-23 21:14:56,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240920231] [2023-11-23 21:14:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-11-23 21:14:58,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:58,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240920231] [2023-11-23 21:14:58,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240920231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:58,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:58,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:58,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899804932] [2023-11-23 21:14:58,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:58,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:58,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:58,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:58,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:58,312 INFO L87 Difference]: Start difference. First operand has 2530 states, 1537 states have (on average 1.3422251138581653) internal successors, (2063), 1602 states have internal predecessors, (2063), 815 states have call successors, (815), 177 states have call predecessors, (815), 176 states have return successors, (806), 783 states have call predecessors, (806), 806 states have call successors, (806) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:15:01,942 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 [] [2023-11-23 21:15:05,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:07,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:07,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:07,461 INFO L93 Difference]: Finished difference Result 7357 states and 10920 transitions. [2023-11-23 21:15:07,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:07,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 370 [2023-11-23 21:15:07,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:07,528 INFO L225 Difference]: With dead ends: 7357 [2023-11-23 21:15:07,528 INFO L226 Difference]: Without dead ends: 4847 [2023-11-23 21:15:07,554 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 [2023-11-23 21:15:07,558 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3518 mSDsluCounter, 3233 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 6645 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:07,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 6645 Invalid, 617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 612 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2023-11-23 21:15:07,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2023-11-23 21:15:07,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 4842. [2023-11-23 21:15:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4842 states, 2956 states have (on average 1.3318673883626522) internal successors, (3937), 3064 states have internal predecessors, (3937), 1535 states have call successors, (1535), 351 states have call predecessors, (1535), 350 states have return successors, (1533), 1486 states have call predecessors, (1533), 1533 states have call successors, (1533) [2023-11-23 21:15:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4842 states to 4842 states and 7005 transitions. [2023-11-23 21:15:07,956 INFO L78 Accepts]: Start accepts. Automaton has 4842 states and 7005 transitions. Word has length 370 [2023-11-23 21:15:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:07,961 INFO L495 AbstractCegarLoop]: Abstraction has 4842 states and 7005 transitions. [2023-11-23 21:15:07,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:15:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4842 states and 7005 transitions. [2023-11-23 21:15:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2023-11-23 21:15:08,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:08,090 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:08,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:15:08,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:08,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:08,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1845482787, now seen corresponding path program 1 times [2023-11-23 21:15:08,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:08,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282988451] [2023-11-23 21:15:08,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:08,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-11-23 21:15:09,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:09,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282988451] [2023-11-23 21:15:09,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282988451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:09,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:09,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:09,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505297251] [2023-11-23 21:15:09,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:09,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:09,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:09,048 INFO L87 Difference]: Start difference. First operand 4842 states and 7005 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:15:10,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:13,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:16,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:18,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:18,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:18,697 INFO L93 Difference]: Finished difference Result 14151 states and 20425 transitions. [2023-11-23 21:15:18,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:18,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 372 [2023-11-23 21:15:18,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:18,801 INFO L225 Difference]: With dead ends: 14151 [2023-11-23 21:15:18,801 INFO L226 Difference]: Without dead ends: 9378 [2023-11-23 21:15:18,836 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 [2023-11-23 21:15:18,837 INFO L413 NwaCegarLoop]: 3592 mSDtfsCounter, 3432 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 6778 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:18,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 6778 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 618 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2023-11-23 21:15:18,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2023-11-23 21:15:19,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 9372. [2023-11-23 21:15:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9372 states, 5712 states have (on average 1.3291316526610644) internal successors, (7592), 5928 states have internal predecessors, (7592), 2963 states have call successors, (2963), 697 states have call predecessors, (2963), 696 states have return successors, (2961), 2866 states have call predecessors, (2961), 2961 states have call successors, (2961) [2023-11-23 21:15:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 13516 transitions. [2023-11-23 21:15:19,549 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 13516 transitions. Word has length 372 [2023-11-23 21:15:19,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:19,552 INFO L495 AbstractCegarLoop]: Abstraction has 9372 states and 13516 transitions. [2023-11-23 21:15:19,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 21:15:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 13516 transitions. [2023-11-23 21:15:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2023-11-23 21:15:19,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:19,561 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:19,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:15:19,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:19,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:19,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1250795964, now seen corresponding path program 1 times [2023-11-23 21:15:19,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:19,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008109413] [2023-11-23 21:15:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:19,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-11-23 21:15:20,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:20,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008109413] [2023-11-23 21:15:20,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008109413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:20,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:20,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:20,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904162299] [2023-11-23 21:15:20,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:20,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:20,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:20,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:20,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:20,420 INFO L87 Difference]: Start difference. First operand 9372 states and 13516 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37)