./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 a0165632 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_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/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_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 06:33:19,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:33:19,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:33:19,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:33:19,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:33:19,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:33:19,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:33:19,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:33:19,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:33:19,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:33:19,494 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:33:19,494 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:33:19,495 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:33:19,495 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:33:19,498 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:33:19,499 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:33:19,499 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:33:19,499 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:33:19,500 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:33:19,501 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:33:19,505 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:33:19,505 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:33:19,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:33:19,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:33:19,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:33:19,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:33:19,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:33:19,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:33:19,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:33:19,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:33:19,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:33:19,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:33:19,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:33:19,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:33:19,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:33:19,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:33:19,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:33:19,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:33:19,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:33:19,515 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:33:19,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:33:19,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:33:19,517 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:33:19,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:33:19,517 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_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c289c33a77db7bb36840b4845451c5bacba9617eaa9d92a92a9dabc84f4b28d8 [2024-11-09 06:33:19,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:33:19,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:33:19,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:33:19,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:33:19,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:33:19,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/../../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++" [2024-11-09 06:33:22,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:33:23,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:33:23,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2024-11-09 06:33:23,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/data/cf5ec7b35/5feee1f7c003479d84251487a099f53b/FLAG44d00932f [2024-11-09 06:33:23,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/data/cf5ec7b35/5feee1f7c003479d84251487a099f53b [2024-11-09 06:33:23,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:33:23,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:33:23,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:33:23,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:33:23,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:33:23,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:33:23" (1/1) ... [2024-11-09 06:33:23,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba997ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:23, skipping insertion in model container [2024-11-09 06:33:23,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:33:23" (1/1) ... [2024-11-09 06:33:23,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:33:27,639 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_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[346041,346054] [2024-11-09 06:33:27,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:33:28,077 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:33:28,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5256] [2024-11-09 06:33:28,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5259] [2024-11-09 06:33:28,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5262] [2024-11-09 06:33:28,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5265] [2024-11-09 06:33:28,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6745] [2024-11-09 06:33:28,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6750] [2024-11-09 06:33:28,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6755] [2024-11-09 06:33:28,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6760] [2024-11-09 06:33:28,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6835] [2024-11-09 06:33:28,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6840] [2024-11-09 06:33:28,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6845] [2024-11-09 06:33:28,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6850] [2024-11-09 06:33:28,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7238] [2024-11-09 06:33:28,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7243] [2024-11-09 06:33:28,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7248] [2024-11-09 06:33:28,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7253] [2024-11-09 06:33:28,703 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] [2024-11-09 06:33:28,704 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] [2024-11-09 06:33:28,705 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] [2024-11-09 06:33:28,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8876] [2024-11-09 06:33:28,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8881] [2024-11-09 06:33:28,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8886] [2024-11-09 06:33:28,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8891] [2024-11-09 06:33:28,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9592] [2024-11-09 06:33:28,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9597] [2024-11-09 06:33:28,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9602] [2024-11-09 06:33:28,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9607] [2024-11-09 06:33:28,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9955] [2024-11-09 06:33:28,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9960] [2024-11-09 06:33:28,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9965] [2024-11-09 06:33:28,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9970] [2024-11-09 06:33:28,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10164] [2024-11-09 06:33:28,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10169] [2024-11-09 06:33:28,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10174] [2024-11-09 06:33:28,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10179] [2024-11-09 06:33:28,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10258] [2024-11-09 06:33:28,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10263] [2024-11-09 06:33:28,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10268] [2024-11-09 06:33:28,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10273] [2024-11-09 06:33:28,918 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11453] [2024-11-09 06:33:28,955 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_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[346041,346054] [2024-11-09 06:33:28,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:33:29,267 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:33:29,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29 WrapperNode [2024-11-09 06:33:29,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:33:29,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:33:29,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:33:29,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:33:29,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,588 INFO L138 Inliner]: procedures = 462, calls = 4696, calls flagged for inlining = 237, calls inlined = 29, statements flattened = 2812 [2024-11-09 06:33:29,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:33:29,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:33:29,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:33:29,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:33:29,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:33:29,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:33:29,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:33:29,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:33:29,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (1/1) ... [2024-11-09 06:33:29,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:33:29,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:33:29,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:33:29,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6452438-ec58-49f8-8d1a-50c6dbdfea1e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:33:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-09 06:33:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-09 06:33:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 06:33:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 06:33:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-09 06:33:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-09 06:33:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 06:33:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 06:33:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency___0 [2024-11-09 06:33:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency___0 [2024-11-09 06:33:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2024-11-09 06:33:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2024-11-09 06:33:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_close [2024-11-09 06:33:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_close [2024-11-09 06:33:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-09 06:33:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-09 06:33:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2024-11-09 06:33:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2024-11-09 06:33:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:33:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_check_mode_radio [2024-11-09 06:33:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_check_mode_radio [2024-11-09 06:33:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2024-11-09 06:33:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2024-11-09 06:33:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 06:33:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 06:33:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 06:33:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:33:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-09 06:33:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-09 06:33:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-09 06:33:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-09 06:33:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-09 06:33:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-09 06:33:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:33:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 06:33:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 06:33:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-09 06:33:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-09 06:33:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-11-09 06:33:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-11-09 06:33:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:33:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:33:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-09 06:33:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-09 06:33:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 06:33:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 06:33:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:33:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-09 06:33:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-09 06:33:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-09 06:33:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-09 06:33:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2024-11-09 06:33:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2024-11-09 06:33:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-09 06:33:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-09 06:33:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:33:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:33:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-09 06:33:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-09 06:33:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 06:33:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:33:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-09 06:33:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-09 06:33:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 06:33:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 06:33:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2024-11-09 06:33:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2024-11-09 06:33:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 06:33:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 06:33:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 06:33:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 06:33:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:33:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:33:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 06:33:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 06:33:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:33:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:33:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_open [2024-11-09 06:33:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_open [2024-11-09 06:33:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:33:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 06:33:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 06:33:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2024-11-09 06:33:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2024-11-09 06:33:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 06:33:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 06:33:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:33:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:33:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2024-11-09 06:33:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2024-11-09 06:33:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 06:33:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 06:33:30,622 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:33:30,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:34:28,137 INFO L? ?]: Removed 671 outVars from TransFormulas that were not future-live. [2024-11-09 06:34:28,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:34:29,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:34:29,876 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 06:34:29,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:29 BoogieIcfgContainer [2024-11-09 06:34:29,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:34:29,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:34:29,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:34:29,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:34:29,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:33:23" (1/3) ... [2024-11-09 06:34:29,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1fa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:29, skipping insertion in model container [2024-11-09 06:34:29,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:33:29" (2/3) ... [2024-11-09 06:34:29,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1fa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:29, skipping insertion in model container [2024-11-09 06:34:29,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:29" (3/3) ... [2024-11-09 06:34:29,886 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2024-11-09 06:34:29,905 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:34:29,905 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:34:30,004 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:34:30,011 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;@28c6d29f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:34:30,012 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:34:30,018 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) [2024-11-09 06:34:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 06:34:30,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:30,038 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] [2024-11-09 06:34:30,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:30,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:30,047 INFO L85 PathProgramCache]: Analyzing trace with hash 929523034, now seen corresponding path program 1 times [2024-11-09 06:34:30,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:30,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765023824] [2024-11-09 06:34:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:30,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-09 06:37:39,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:39,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765023824] [2024-11-09 06:37:39,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765023824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:39,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:39,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:37:39,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391345636] [2024-11-09 06:37:39,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:39,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:37:39,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:37:39,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:37:39,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:37:39,087 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) [2024-11-09 06:37:41,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:44,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:47,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:50,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:52,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:54,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:56,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:58,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:59,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:59,685 INFO L93 Difference]: Finished difference Result 813 states and 1143 transitions. [2024-11-09 06:37:59,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:37:59,688 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 [2024-11-09 06:37:59,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:59,702 INFO L225 Difference]: With dead ends: 813 [2024-11-09 06:37:59,702 INFO L226 Difference]: Without dead ends: 434 [2024-11-09 06:37:59,711 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 [2024-11-09 06:37:59,717 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 257 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s 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, 20.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:59,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 785 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 8 Unknown, 0 Unchecked, 20.5s Time] [2024-11-09 06:37:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-09 06:37:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 432. [2024-11-09 06:37:59,821 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) [2024-11-09 06:37:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 590 transitions. [2024-11-09 06:37:59,831 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 590 transitions. Word has length 114 [2024-11-09 06:37:59,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:59,834 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 590 transitions. [2024-11-09 06:37:59,834 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) [2024-11-09 06:37:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 590 transitions. [2024-11-09 06:37:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 06:37:59,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:59,841 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] [2024-11-09 06:37:59,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:37:59,842 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:59,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:59,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1250160386, now seen corresponding path program 1 times [2024-11-09 06:37:59,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:59,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086664232] [2024-11-09 06:37:59,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:59,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:41:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:41:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-09 06:41:10,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:41:10,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086664232] [2024-11-09 06:41:10,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086664232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:41:10,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:41:10,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:41:10,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548536527] [2024-11-09 06:41:10,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:41:10,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:41:10,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:41:10,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:41:10,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:41:10,205 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) [2024-11-09 06:41:12,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:41:15,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:41:18,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:41:21,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:41:23,133 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 [] [2024-11-09 06:41:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:41:24,321 INFO L93 Difference]: Finished difference Result 434 states and 591 transitions. [2024-11-09 06:41:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:41:24,323 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 [2024-11-09 06:41:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:41:24,328 INFO L225 Difference]: With dead ends: 434 [2024-11-09 06:41:24,329 INFO L226 Difference]: Without dead ends: 431 [2024-11-09 06:41:24,330 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 [2024-11-09 06:41:24,331 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 502 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s 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, 14.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:41:24,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 528 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 14.1s Time] [2024-11-09 06:41:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-09 06:41:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-09 06:41:24,391 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) [2024-11-09 06:41:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 588 transitions. [2024-11-09 06:41:24,398 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 588 transitions. Word has length 115 [2024-11-09 06:41:24,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:41:24,399 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 588 transitions. [2024-11-09 06:41:24,400 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) [2024-11-09 06:41:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 588 transitions. [2024-11-09 06:41:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:41:24,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:41:24,405 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] [2024-11-09 06:41:24,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:41:24,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:41:24,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:41:24,407 INFO L85 PathProgramCache]: Analyzing trace with hash -100864803, now seen corresponding path program 1 times [2024-11-09 06:41:24,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:41:24,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419671391] [2024-11-09 06:41:24,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:41:24,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:44:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:44:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-09 06:44:51,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:44:51,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419671391] [2024-11-09 06:44:51,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419671391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:44:51,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:44:51,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:44:51,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838301024] [2024-11-09 06:44:51,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:44:51,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:44:51,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:44:51,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:44:51,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:44:51,324 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) [2024-11-09 06:44:54,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:44:57,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:44:59,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:45:02,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:45:04,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:45:05,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:45:05,080 INFO L93 Difference]: Finished difference Result 433 states and 589 transitions. [2024-11-09 06:45:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:45:05,081 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 [2024-11-09 06:45:05,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:45:05,085 INFO L225 Difference]: With dead ends: 433 [2024-11-09 06:45:05,085 INFO L226 Difference]: Without dead ends: 430 [2024-11-09 06:45:05,086 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 [2024-11-09 06:45:05,087 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 499 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:45:05,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 526 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 4 Unknown, 0 Unchecked, 13.7s Time] [2024-11-09 06:45:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-09 06:45:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-11-09 06:45:05,120 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) [2024-11-09 06:45:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 586 transitions. [2024-11-09 06:45:05,124 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 586 transitions. Word has length 116 [2024-11-09 06:45:05,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:45:05,125 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 586 transitions. [2024-11-09 06:45:05,125 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) [2024-11-09 06:45:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 586 transitions. [2024-11-09 06:45:05,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 06:45:05,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:45:05,127 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] [2024-11-09 06:45:05,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:45:05,128 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:45:05,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:45:05,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1167564769, now seen corresponding path program 1 times [2024-11-09 06:45:05,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:45:05,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122207206] [2024-11-09 06:45:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:45:05,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:48:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-09 06:48:16,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:48:16,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122207206] [2024-11-09 06:48:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122207206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:48:16,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:48:16,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:48:16,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952427207] [2024-11-09 06:48:16,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:48:16,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:48:16,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:48:16,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:48:16,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:48:16,740 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) [2024-11-09 06:48:19,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []