./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E --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 c289c33a77db7bb36840b4845451c5bacba9617eaa9d92a92a9dabc84f4b28d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:50:16,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:50:16,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:50:16,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:50:16,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:50:17,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:50:17,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:50:17,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:50:17,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:50:17,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:50:17,028 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:50:17,028 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:50:17,028 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:50:17,029 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:50:17,029 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:50:17,029 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:50:17,029 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:50:17,030 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:50:17,030 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:50:17,030 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:50:17,031 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:50:17,031 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:50:17,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:50:17,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:50:17,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:50:17,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:50:17,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:50:17,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:50:17,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:50:17,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:50:17,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:50:17,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:50:17,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:50:17,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:50:17,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:50:17,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:17,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:50:17,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:50:17,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:50:17,034 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:50:17,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:50:17,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:50:17,035 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:50:17,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:50:17,035 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E 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 -> c289c33a77db7bb36840b4845451c5bacba9617eaa9d92a92a9dabc84f4b28d8 [2024-11-14 05:50:17,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:50:17,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:50:17,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:50:17,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:50:17,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:50:17,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i Unable to find full path for "g++" [2024-11-14 05:50:20,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:50:21,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:50:21,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2024-11-14 05:50:21,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/data/999282440/dbb6db78de49446fae2e9cf2ad6232d2/FLAG0ac2739c7 [2024-11-14 05:50:21,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/data/999282440/dbb6db78de49446fae2e9cf2ad6232d2 [2024-11-14 05:50:21,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:50:21,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:50:21,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:21,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:50:21,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:50:21,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:21" (1/1) ... [2024-11-14 05:50:21,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733e5ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:21, skipping insertion in model container [2024-11-14 05:50:21,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:21" (1/1) ... [2024-11-14 05:50:21,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:26,563 WARN L250 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_aabb8211-7a43-45b3-a471-fa5898502f44/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[346041,346054] [2024-11-14 05:50:26,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:26,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:50:27,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5256] [2024-11-14 05:50:27,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5259] [2024-11-14 05:50:27,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5262] [2024-11-14 05:50:27,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5265] [2024-11-14 05:50:27,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6745] [2024-11-14 05:50:27,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6750] [2024-11-14 05:50:27,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6755] [2024-11-14 05:50:27,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6760] [2024-11-14 05:50:27,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6835] [2024-11-14 05:50:27,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6840] [2024-11-14 05:50:27,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6845] [2024-11-14 05:50:27,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6850] [2024-11-14 05:50:27,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7238] [2024-11-14 05:50:27,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7243] [2024-11-14 05:50:27,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7248] [2024-11-14 05:50:27,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7253] [2024-11-14 05:50:27,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [8789] [2024-11-14 05:50:27,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [8797-8798] [2024-11-14 05:50:27,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [8807-8808] [2024-11-14 05:50:27,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8876] [2024-11-14 05:50:27,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8881] [2024-11-14 05:50:27,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8886] [2024-11-14 05:50:27,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8891] [2024-11-14 05:50:27,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9592] [2024-11-14 05:50:27,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9597] [2024-11-14 05:50:27,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9602] [2024-11-14 05:50:27,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9607] [2024-11-14 05:50:27,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9955] [2024-11-14 05:50:27,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9960] [2024-11-14 05:50:27,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9965] [2024-11-14 05:50:27,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9970] [2024-11-14 05:50:27,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10164] [2024-11-14 05:50:27,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10169] [2024-11-14 05:50:27,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10174] [2024-11-14 05:50:27,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10179] [2024-11-14 05:50:27,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10258] [2024-11-14 05:50:27,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10263] [2024-11-14 05:50:27,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10268] [2024-11-14 05:50:27,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10273] [2024-11-14 05:50:28,043 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11453] [2024-11-14 05:50:28,075 WARN L250 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_aabb8211-7a43-45b3-a471-fa5898502f44/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[346041,346054] [2024-11-14 05:50:28,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:28,371 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:50:28,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28 WrapperNode [2024-11-14 05:50:28,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:28,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:28,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:50:28,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:50:28,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:28,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:28,804 INFO L138 Inliner]: procedures = 462, calls = 4696, calls flagged for inlining = 237, calls inlined = 29, statements flattened = 2812 [2024-11-14 05:50:28,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:28,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:50:28,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:50:28,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:50:28,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:28,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:28,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:28,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:29,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:29,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:29,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:29,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:29,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:50:29,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:50:29,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:50:29,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:50:29,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (1/1) ... [2024-11-14 05:50:29,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:29,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:29,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:50:29,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aabb8211-7a43-45b3-a471-fa5898502f44/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:50:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-14 05:50:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-14 05:50:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 05:50:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 05:50:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-14 05:50:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-14 05:50:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-14 05:50:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-14 05:50:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency___0 [2024-11-14 05:50:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency___0 [2024-11-14 05:50:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2024-11-14 05:50:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2024-11-14 05:50:29,228 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_close [2024-11-14 05:50:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_close [2024-11-14 05:50:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 05:50:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 05:50:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2024-11-14 05:50:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2024-11-14 05:50:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:50:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_check_mode_radio [2024-11-14 05:50:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_check_mode_radio [2024-11-14 05:50:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2024-11-14 05:50:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2024-11-14 05:50:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 05:50:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 05:50:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 05:50:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:50:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-14 05:50:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-14 05:50:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-14 05:50:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-14 05:50:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-14 05:50:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-14 05:50:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:50:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 05:50:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 05:50:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-14 05:50:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-14 05:50:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-11-14 05:50:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-14 05:50:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 05:50:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-14 05:50:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-14 05:50:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-14 05:50:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2024-11-14 05:50:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2024-11-14 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-14 05:50:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-14 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:50:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-14 05:50:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-14 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-14 05:50:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-14 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-14 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-14 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2024-11-14 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2024-11-14 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-14 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-14 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:50:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:50:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_open [2024-11-14 05:50:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_open [2024-11-14 05:50:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:50:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-14 05:50:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-14 05:50:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2024-11-14 05:50:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2024-11-14 05:50:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-14 05:50:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-14 05:50:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:50:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:50:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2024-11-14 05:50:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2024-11-14 05:50:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 05:50:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 05:50:30,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:50:30,257 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:51:35,392 INFO L? ?]: Removed 671 outVars from TransFormulas that were not future-live. [2024-11-14 05:51:35,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:51:36,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:51:36,855 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 05:51:36,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:51:36 BoogieIcfgContainer [2024-11-14 05:51:36,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:51:36,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:51:36,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:51:36,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:51:36,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:50:21" (1/3) ... [2024-11-14 05:51:36,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adcd8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:51:36, skipping insertion in model container [2024-11-14 05:51:36,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:28" (2/3) ... [2024-11-14 05:51:36,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adcd8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:51:36, skipping insertion in model container [2024-11-14 05:51:36,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:51:36" (3/3) ... [2024-11-14 05:51:36,874 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2024-11-14 05:51:36,896 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:51:36,899 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i that has 39 procedures, 409 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 05:51:37,004 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:51:37,025 INFO L333 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, 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;@1ae5e40e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:51:37,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:51:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 246 states have (on average 1.3252032520325203) internal successors, (326), 260 states have internal predecessors, (326), 123 states have call successors, (123), 38 states have call predecessors, (123), 38 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-14 05:51:37,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 05:51:37,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:37,047 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:37,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:37,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:37,053 INFO L85 PathProgramCache]: Analyzing trace with hash 929523034, now seen corresponding path program 1 times [2024-11-14 05:51:37,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:37,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764346055] [2024-11-14 05:51:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:37,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:54:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:54:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-14 05:54:38,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:54:38,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764346055] [2024-11-14 05:54:38,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764346055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:54:38,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:54:38,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:54:38,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023314200] [2024-11-14 05:54:38,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:54:38,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:54:38,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:54:38,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:54:38,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:54:38,440 INFO L87 Difference]: Start difference. First operand has 409 states, 246 states have (on average 1.3252032520325203) internal successors, (326), 260 states have internal predecessors, (326), 123 states have call successors, (123), 38 states have call predecessors, (123), 38 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:54:41,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:45,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:48,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:50,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:52,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:55,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:57,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:54:59,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:55:00,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:55:00,653 INFO L93 Difference]: Finished difference Result 813 states and 1143 transitions. [2024-11-14 05:55:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:55:00,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 114 [2024-11-14 05:55:00,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:55:00,680 INFO L225 Difference]: With dead ends: 813 [2024-11-14 05:55:00,680 INFO L226 Difference]: Without dead ends: 434 [2024-11-14 05:55:00,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:55:00,691 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 257 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:55:00,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 785 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 8 Unknown, 0 Unchecked, 22.1s Time] [2024-11-14 05:55:00,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-14 05:55:00,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 432. [2024-11-14 05:55:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 263 states have (on average 1.3079847908745248) internal successors, (344), 274 states have internal predecessors, (344), 126 states have call successors, (126), 44 states have call predecessors, (126), 42 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-14 05:55:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 590 transitions. [2024-11-14 05:55:00,820 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 590 transitions. Word has length 114 [2024-11-14 05:55:00,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:55:00,821 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 590 transitions. [2024-11-14 05:55:00,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:55:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 590 transitions. [2024-11-14 05:55:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-14 05:55:00,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:55:00,826 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:55:00,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:55:00,826 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:55:00,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:55:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1250160386, now seen corresponding path program 1 times [2024-11-14 05:55:00,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:55:00,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125020999] [2024-11-14 05:55:00,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:55:00,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:58:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:58:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-14 05:58:05,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:58:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125020999] [2024-11-14 05:58:05,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125020999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:58:05,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:58:05,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:58:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145978465] [2024-11-14 05:58:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:58:05,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:58:05,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:58:05,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:58:05,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:58:05,020 INFO L87 Difference]: Start difference. First operand 432 states and 590 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:58:08,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:58:11,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:58:14,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:58:15,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:58:17,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:58:19,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:58:20,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:58:20,675 INFO L93 Difference]: Finished difference Result 434 states and 591 transitions. [2024-11-14 05:58:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:58:20,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 115 [2024-11-14 05:58:20,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:58:20,682 INFO L225 Difference]: With dead ends: 434 [2024-11-14 05:58:20,683 INFO L226 Difference]: Without dead ends: 431 [2024-11-14 05:58:20,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:58:20,685 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 502 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:58:20,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 528 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 15.6s Time] [2024-11-14 05:58:20,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-14 05:58:20,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-14 05:58:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 263 states have (on average 1.3041825095057034) internal successors, (343), 273 states have internal predecessors, (343), 125 states have call successors, (125), 44 states have call predecessors, (125), 42 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-14 05:58:20,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 588 transitions. [2024-11-14 05:58:20,733 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 588 transitions. Word has length 115 [2024-11-14 05:58:20,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:58:20,734 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 588 transitions. [2024-11-14 05:58:20,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:58:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 588 transitions. [2024-11-14 05:58:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 05:58:20,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:58:20,738 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:58:20,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:58:20,739 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:58:20,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:58:20,739 INFO L85 PathProgramCache]: Analyzing trace with hash -100864803, now seen corresponding path program 1 times [2024-11-14 05:58:20,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:58:20,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624205918] [2024-11-14 05:58:20,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:58:20,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:01:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:01:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-14 06:01:15,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 06:01:15,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624205918] [2024-11-14 06:01:15,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624205918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:01:15,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:01:15,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:01:15,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657183949] [2024-11-14 06:01:15,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:01:15,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:01:15,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 06:01:15,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:01:15,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:01:15,114 INFO L87 Difference]: Start difference. First operand 431 states and 588 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 06:01:17,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:01:21,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:01:24,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:01:26,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:01:28,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:01:30,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:01:31,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:01:31,472 INFO L93 Difference]: Finished difference Result 433 states and 589 transitions. [2024-11-14 06:01:31,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:01:31,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 116 [2024-11-14 06:01:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:01:31,478 INFO L225 Difference]: With dead ends: 433 [2024-11-14 06:01:31,478 INFO L226 Difference]: Without dead ends: 430 [2024-11-14 06:01:31,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:01:31,481 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 499 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2024-11-14 06:01:31,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 526 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 6 Unknown, 0 Unchecked, 16.3s Time] [2024-11-14 06:01:31,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-14 06:01:31,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-11-14 06:01:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 263 states have (on average 1.3003802281368821) internal successors, (342), 272 states have internal predecessors, (342), 124 states have call successors, (124), 44 states have call predecessors, (124), 42 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-14 06:01:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 586 transitions. [2024-11-14 06:01:31,536 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 586 transitions. Word has length 116 [2024-11-14 06:01:31,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:01:31,537 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 586 transitions. [2024-11-14 06:01:31,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 06:01:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 586 transitions. [2024-11-14 06:01:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 06:01:31,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:01:31,540 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:01:31,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 06:01:31,542 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:01:31,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:01:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1167564769, now seen corresponding path program 1 times [2024-11-14 06:01:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 06:01:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102564544] [2024-11-14 06:01:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:01:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:03:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:04:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-14 06:04:01,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 06:04:01,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102564544] [2024-11-14 06:04:01,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102564544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:04:01,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:04:01,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:04:01,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810138050] [2024-11-14 06:04:01,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:04:01,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:04:01,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 06:04:01,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:04:01,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:04:01,333 INFO L87 Difference]: Start difference. First operand 430 states and 586 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 06:04:03,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:04:06,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:04:10,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:04:12,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:04:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:04:13,491 INFO L93 Difference]: Finished difference Result 432 states and 587 transitions. [2024-11-14 06:04:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:04:13,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 117 [2024-11-14 06:04:13,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:04:13,497 INFO L225 Difference]: With dead ends: 432 [2024-11-14 06:04:13,497 INFO L226 Difference]: Without dead ends: 429 [2024-11-14 06:04:13,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:04:13,498 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 496 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-14 06:04:13,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 524 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 4 Unknown, 0 Unchecked, 12.1s Time] [2024-11-14 06:04:13,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-14 06:04:13,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-14 06:04:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 263 states have (on average 1.296577946768061) internal successors, (341), 271 states have internal predecessors, (341), 123 states have call successors, (123), 44 states have call predecessors, (123), 42 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-14 06:04:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 584 transitions. [2024-11-14 06:04:13,538 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 584 transitions. Word has length 117 [2024-11-14 06:04:13,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:04:13,538 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 584 transitions. [2024-11-14 06:04:13,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 06:04:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 584 transitions. [2024-11-14 06:04:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 06:04:13,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:04:13,541 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:04:13,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 06:04:13,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:04:13,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:04:13,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1834180704, now seen corresponding path program 1 times [2024-11-14 06:04:13,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 06:04:13,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861661572] [2024-11-14 06:04:13,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:04:13,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms