./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 9bd2c7ff 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_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/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_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:55:10,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:10,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:55:10,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:10,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:10,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:10,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:10,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:10,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:10,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:10,434 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:10,436 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:10,436 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:10,438 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:10,439 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:10,439 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:10,439 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:10,440 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:10,441 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:10,441 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:10,442 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:10,442 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:10,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:10,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:10,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:10,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:10,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:10,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:10,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:10,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:10,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:10,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:10,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:10,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:10,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:10,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:10,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:10,451 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:10,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:10,470 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:10,471 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:10,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:10,472 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_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 [2023-11-19 04:55:10,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:10,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:10,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:10,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:10,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:10,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:55:14,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:14,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:14,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/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 [2023-11-19 04:55:14,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/data/f214a3f64/f3722e752737462ab5e288effe435bb3/FLAG0ea4c0e72 [2023-11-19 04:55:14,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/data/f214a3f64/f3722e752737462ab5e288effe435bb3 [2023-11-19 04:55:14,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:14,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:14,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:14,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:14,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:14,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cca4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14, skipping insertion in model container [2023-11-19 04:55:14,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:17,917 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/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] [2023-11-19 04:55:18,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:18,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:18,191 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] [2023-11-19 04:55:18,193 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] [2023-11-19 04:55:18,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4094] [2023-11-19 04:55:18,195 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] [2023-11-19 04:55:18,196 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] [2023-11-19 04:55:18,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4128] [2023-11-19 04:55:18,204 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] [2023-11-19 04:55:18,205 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] [2023-11-19 04:55:18,234 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] [2023-11-19 04:55:18,234 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] [2023-11-19 04:55:18,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5331] [2023-11-19 04:55:18,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5518] [2023-11-19 04:55:18,352 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] [2023-11-19 04:55:18,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6059] [2023-11-19 04:55:18,384 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] [2023-11-19 04:55:18,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [8135] [2023-11-19 04:55:18,529 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] [2023-11-19 04:55:18,545 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] [2023-11-19 04:55:18,567 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] [2023-11-19 04:55:18,585 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_18debdc2-8851-4d0d-92c3-8427132903a4/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] [2023-11-19 04:55:18,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:18,849 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:18,857 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:18,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18 WrapperNode [2023-11-19 04:55:18,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:18,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:18,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:18,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:18,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:18,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,231 INFO L138 Inliner]: procedures = 381, calls = 2899, calls flagged for inlining = 159, calls inlined = 153, statements flattened = 6960 [2023-11-19 04:55:19,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:19,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:19,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:19,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:19,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:19,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:19,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:19,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:19,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (1/1) ... [2023-11-19 04:55:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:19,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:19,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18debdc2-8851-4d0d-92c3-8427132903a4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2023-11-19 04:55:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2023-11-19 04:55:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 04:55:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 04:55:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2023-11-19 04:55:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2023-11-19 04:55:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2023-11-19 04:55:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2023-11-19 04:55:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-11-19 04:55:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-11-19 04:55:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-19 04:55:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-19 04:55:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:55:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:55:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2023-11-19 04:55:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2023-11-19 04:55:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2023-11-19 04:55:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2023-11-19 04:55:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:55:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:55:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:55:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:55:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2023-11-19 04:55:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2023-11-19 04:55:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:55:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:55:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2023-11-19 04:55:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2023-11-19 04:55:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2023-11-19 04:55:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2023-11-19 04:55:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2023-11-19 04:55:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2023-11-19 04:55:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2023-11-19 04:55:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2023-11-19 04:55:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2023-11-19 04:55:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2023-11-19 04:55:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2023-11-19 04:55:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2023-11-19 04:55:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:55:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:55:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:55:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:55:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-19 04:55:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-11-19 04:55:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2023-11-19 04:55:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2023-11-19 04:55:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2023-11-19 04:55:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2023-11-19 04:55:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2023-11-19 04:55:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2023-11-19 04:55:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2023-11-19 04:55:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2023-11-19 04:55:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2023-11-19 04:55:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2023-11-19 04:55:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2023-11-19 04:55:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2023-11-19 04:55:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2023-11-19 04:55:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2023-11-19 04:55:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2023-11-19 04:55:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2023-11-19 04:55:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-19 04:55:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-19 04:55:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2023-11-19 04:55:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2023-11-19 04:55:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2023-11-19 04:55:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2023-11-19 04:55:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:55:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:55:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:55:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:55:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2023-11-19 04:55:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2023-11-19 04:55:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2023-11-19 04:55:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2023-11-19 04:55:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:55:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:55:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:55:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:55:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2023-11-19 04:55:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2023-11-19 04:55:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2023-11-19 04:55:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2023-11-19 04:55:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2023-11-19 04:55:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2023-11-19 04:55:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2023-11-19 04:55:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2023-11-19 04:55:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:55:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:55:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure origin_postsuspend [2023-11-19 04:55:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_postsuspend [2023-11-19 04:55:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2023-11-19 04:55:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2023-11-19 04:55:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:55:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:55:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2023-11-19 04:55:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2023-11-19 04:55:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-19 04:55:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-19 04:55:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2023-11-19 04:55:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2023-11-19 04:55:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2023-11-19 04:55:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2023-11-19 04:55:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2023-11-19 04:55:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2023-11-19 04:55:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-11-19 04:55:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-11-19 04:55:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2023-11-19 04:55:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2023-11-19 04:55:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:55:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:55:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:55:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2023-11-19 04:55:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2023-11-19 04:55:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2023-11-19 04:55:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2023-11-19 04:55:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2023-11-19 04:55:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2023-11-19 04:55:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-19 04:55:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-19 04:55:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2023-11-19 04:55:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2023-11-19 04:55:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2023-11-19 04:55:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2023-11-19 04:55:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2023-11-19 04:55:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2023-11-19 04:55:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2023-11-19 04:55:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2023-11-19 04:55:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2023-11-19 04:55:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2023-11-19 04:55:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2023-11-19 04:55:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2023-11-19 04:55:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:55:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2023-11-19 04:55:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2023-11-19 04:55:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2023-11-19 04:55:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2023-11-19 04:55:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:55:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:55:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2023-11-19 04:55:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2023-11-19 04:55:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 04:55:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 04:55:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:55:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:55:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2023-11-19 04:55:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2023-11-19 04:55:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2023-11-19 04:55:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2023-11-19 04:55:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2023-11-19 04:55:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2023-11-19 04:55:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2023-11-19 04:55:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2023-11-19 04:55:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2023-11-19 04:55:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2023-11-19 04:55:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-19 04:55:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-19 04:55:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:55:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:55:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2023-11-19 04:55:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2023-11-19 04:55:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2023-11-19 04:55:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2023-11-19 04:55:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:55:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:55:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2023-11-19 04:55:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2023-11-19 04:55:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2023-11-19 04:55:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2023-11-19 04:55:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2023-11-19 04:55:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2023-11-19 04:55:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:55:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:55:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:55:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:55:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2023-11-19 04:55:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2023-11-19 04:55:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:55:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:55:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2023-11-19 04:55:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2023-11-19 04:55:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:55:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2023-11-19 04:55:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2023-11-19 04:55:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2023-11-19 04:55:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2023-11-19 04:55:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2023-11-19 04:55:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2023-11-19 04:55:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2023-11-19 04:55:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2023-11-19 04:55:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2023-11-19 04:55:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2023-11-19 04:55:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:55:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:55:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2023-11-19 04:55:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2023-11-19 04:55:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-11-19 04:55:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-11-19 04:55:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 04:55:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 04:55:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:55:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2023-11-19 04:55:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2023-11-19 04:55:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:55:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-19 04:55:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-19 04:55:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2023-11-19 04:55:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2023-11-19 04:55:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2023-11-19 04:55:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2023-11-19 04:55:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2023-11-19 04:55:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2023-11-19 04:55:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2023-11-19 04:55:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2023-11-19 04:55:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:55:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:55:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:55:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:55:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2023-11-19 04:55:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2023-11-19 04:55:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2023-11-19 04:55:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2023-11-19 04:55:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2023-11-19 04:55:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2023-11-19 04:55:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2023-11-19 04:55:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2023-11-19 04:55:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:55:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:55:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2023-11-19 04:55:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2023-11-19 04:55:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2023-11-19 04:55:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2023-11-19 04:55:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 04:55:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 04:55:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2023-11-19 04:55:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2023-11-19 04:55:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:55:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:55:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2023-11-19 04:55:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2023-11-19 04:55:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2023-11-19 04:55:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2023-11-19 04:55:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2023-11-19 04:55:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2023-11-19 04:55:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:55:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2023-11-19 04:55:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2023-11-19 04:55:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2023-11-19 04:55:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2023-11-19 04:55:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2023-11-19 04:55:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2023-11-19 04:55:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2023-11-19 04:55:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2023-11-19 04:55:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 04:55:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 04:55:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:55:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:55:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2023-11-19 04:55:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2023-11-19 04:55:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2023-11-19 04:55:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2023-11-19 04:55:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2023-11-19 04:55:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2023-11-19 04:55:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:55:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:55:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2023-11-19 04:55:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2023-11-19 04:55:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2023-11-19 04:55:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2023-11-19 04:55:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2023-11-19 04:55:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2023-11-19 04:55:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2023-11-19 04:55:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2023-11-19 04:55:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure skip_metadata [2023-11-19 04:55:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_metadata [2023-11-19 04:55:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:55:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2023-11-19 04:55:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2023-11-19 04:55:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2023-11-19 04:55:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2023-11-19 04:55:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-19 04:55:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:55:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:55:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-19 04:55:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-19 04:55:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2023-11-19 04:55:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2023-11-19 04:55:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2023-11-19 04:55:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2023-11-19 04:55:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 04:55:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 04:55:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2023-11-19 04:55:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2023-11-19 04:55:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:55:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:55:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 04:55:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 04:55:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2023-11-19 04:55:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2023-11-19 04:55:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:55:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2023-11-19 04:55:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2023-11-19 04:55:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2023-11-19 04:55:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2023-11-19 04:55:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2023-11-19 04:55:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2023-11-19 04:55:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2023-11-19 04:55:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2023-11-19 04:55:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:55:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:55:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2023-11-19 04:55:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2023-11-19 04:55:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 04:55:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 04:55:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2023-11-19 04:55:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2023-11-19 04:55:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-19 04:55:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-19 04:55:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 04:55:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 04:55:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-19 04:55:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-19 04:55:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2023-11-19 04:55:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2023-11-19 04:55:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 04:55:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 04:55:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2023-11-19 04:55:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2023-11-19 04:55:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2023-11-19 04:55:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2023-11-19 04:55:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2023-11-19 04:55:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2023-11-19 04:55:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2023-11-19 04:55:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2023-11-19 04:55:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2023-11-19 04:55:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2023-11-19 04:55:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2023-11-19 04:55:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2023-11-19 04:55:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2023-11-19 04:55:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2023-11-19 04:55:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-19 04:55:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-19 04:55:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:55:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:55:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:55:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:55:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2023-11-19 04:55:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2023-11-19 04:55:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2023-11-19 04:55:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2023-11-19 04:55:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2023-11-19 04:55:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2023-11-19 04:55:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2023-11-19 04:55:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2023-11-19 04:55:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2023-11-19 04:55:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2023-11-19 04:55:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2023-11-19 04:55:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2023-11-19 04:55:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-11-19 04:55:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-11-19 04:55:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2023-11-19 04:55:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2023-11-19 04:55:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2023-11-19 04:55:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2023-11-19 04:55:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:55:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:55:20,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:20,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:21,185 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:55:31,773 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:33,728 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:33,728 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:55:33,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:33 BoogieIcfgContainer [2023-11-19 04:55:33,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:33,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:33,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:33,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:33,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:14" (1/3) ... [2023-11-19 04:55:33,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efdc2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:33, skipping insertion in model container [2023-11-19 04:55:33,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:18" (2/3) ... [2023-11-19 04:55:33,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efdc2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:33, skipping insertion in model container [2023-11-19 04:55:33,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:33" (3/3) ... [2023-11-19 04:55:33,764 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2023-11-19 04:55:33,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:33,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:33,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:33,930 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;@3ba2b132, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:33,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:33,948 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) [2023-11-19 04:55:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-11-19 04:55:34,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:34,005 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] [2023-11-19 04:55:34,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:34,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1304009436, now seen corresponding path program 1 times [2023-11-19 04:55:34,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:34,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40805419] [2023-11-19 04:55:34,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-11-19 04:55:35,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:35,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40805419] [2023-11-19 04:55:35,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40805419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:35,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:35,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:55:35,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530269095] [2023-11-19 04:55:35,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:35,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:35,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:35,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:35,680 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) [2023-11-19 04:55:37,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:40,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:43,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:45,690 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 [] [2023-11-19 04:55:45,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:45,946 INFO L93 Difference]: Finished difference Result 7357 states and 10920 transitions. [2023-11-19 04:55:45,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:45,949 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 [2023-11-19 04:55:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:46,016 INFO L225 Difference]: With dead ends: 7357 [2023-11-19 04:55:46,016 INFO L226 Difference]: Without dead ends: 4847 [2023-11-19 04:55:46,051 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 [2023-11-19 04:55:46,056 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3518 mSDsluCounter, 3233 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s 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, 9.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:46,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 6645 Invalid, 617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 612 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2023-11-19 04:55:46,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2023-11-19 04:55:46,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 4842. [2023-11-19 04:55:46,529 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) [2023-11-19 04:55:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4842 states to 4842 states and 7005 transitions. [2023-11-19 04:55:46,605 INFO L78 Accepts]: Start accepts. Automaton has 4842 states and 7005 transitions. Word has length 370 [2023-11-19 04:55:46,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:46,611 INFO L495 AbstractCegarLoop]: Abstraction has 4842 states and 7005 transitions. [2023-11-19 04:55:46,612 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) [2023-11-19 04:55:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 4842 states and 7005 transitions. [2023-11-19 04:55:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2023-11-19 04:55:46,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:46,625 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] [2023-11-19 04:55:46,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:55:46,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:46,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1429558116, now seen corresponding path program 1 times [2023-11-19 04:55:46,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:46,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769327303] [2023-11-19 04:55:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-11-19 04:55:47,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:47,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769327303] [2023-11-19 04:55:47,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769327303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:47,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:47,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:55:47,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614893508] [2023-11-19 04:55:47,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:47,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:47,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:47,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:47,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:47,597 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) [2023-11-19 04:55:48,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:51,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:54,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:56,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:57,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:57,056 INFO L93 Difference]: Finished difference Result 14151 states and 20425 transitions. [2023-11-19 04:55:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:57,057 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 [2023-11-19 04:55:57,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:57,148 INFO L225 Difference]: With dead ends: 14151 [2023-11-19 04:55:57,148 INFO L226 Difference]: Without dead ends: 9378 [2023-11-19 04:55:57,183 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 [2023-11-19 04:55:57,185 INFO L413 NwaCegarLoop]: 3592 mSDtfsCounter, 3432 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s 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, 8.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:57,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 6778 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 618 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2023-11-19 04:55:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2023-11-19 04:55:57,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 9372. [2023-11-19 04:55:57,845 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) [2023-11-19 04:55:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 13516 transitions. [2023-11-19 04:55:57,920 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 13516 transitions. Word has length 372 [2023-11-19 04:55:57,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:57,923 INFO L495 AbstractCegarLoop]: Abstraction has 9372 states and 13516 transitions. [2023-11-19 04:55:57,924 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) [2023-11-19 04:55:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 13516 transitions. [2023-11-19 04:55:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2023-11-19 04:55:57,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:57,931 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] [2023-11-19 04:55:57,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:55:57,932 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:57,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:57,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1756345749, now seen corresponding path program 1 times [2023-11-19 04:55:57,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:57,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547568125] [2023-11-19 04:55:57,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:57,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-11-19 04:55:58,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:58,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547568125] [2023-11-19 04:55:58,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547568125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:58,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:58,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:55:58,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525842772] [2023-11-19 04:55:58,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:58,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:58,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:58,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:58,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:58,642 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)