./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/main1_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_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/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_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/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_97d02b4d-0e71-41a3-b831-1d9969e038d9/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 ff3c6c16ef90e12f2ac147bf3a98eeeb39b940cc7b1512ba9dc2288a5348d361 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:33:49,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:33:49,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-13 23:33:49,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:33:49,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:33:49,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:33:49,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:33:49,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:33:49,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:33:49,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:33:49,357 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:33:49,358 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:33:49,358 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:33:49,358 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:33:49,358 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:33:49,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:33:49,358 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:33:49,358 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:33:49,358 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:33:49,359 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:33:49,359 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:33:49,359 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:33:49,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:33:49,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:33:49,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:33:49,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:33:49,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:33:49,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:33:49,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:33:49,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:33:49,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:33:49,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:33:49,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:33:49,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:33:49,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:33:49,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:33:49,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:33:49,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:33:49,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:33:49,363 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:33:49,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:33:49,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:33:49,363 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:33:49,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:33:49,363 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_97d02b4d-0e71-41a3-b831-1d9969e038d9/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 -> ff3c6c16ef90e12f2ac147bf3a98eeeb39b940cc7b1512ba9dc2288a5348d361 [2024-11-13 23:33:49,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:33:49,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:33:49,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:33:49,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:33:49,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:33:49,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i Unable to find full path for "g++" [2024-11-13 23:33:51,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:33:52,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:33:52,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2024-11-13 23:33:52,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/data/291ab7296/30910af0607a430a8acc5530861d0a56/FLAGef7efa642 [2024-11-13 23:33:52,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/data/291ab7296/30910af0607a430a8acc5530861d0a56 [2024-11-13 23:33:52,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:33:52,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:33:52,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:33:52,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:33:52,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:33:52,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:33:52" (1/1) ... [2024-11-13 23:33:52,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1febe734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:52, skipping insertion in model container [2024-11-13 23:33:52,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:33:52" (1/1) ... [2024-11-13 23:33:52,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:33:55,892 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_97d02b4d-0e71-41a3-b831-1d9969e038d9/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2024-11-13 23:33:56,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:33:56,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:33:56,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5252] [2024-11-13 23:33:56,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5255] [2024-11-13 23:33:56,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5258] [2024-11-13 23:33:56,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5261] [2024-11-13 23:33:56,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6744] [2024-11-13 23:33:56,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6749] [2024-11-13 23:33:56,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6754] [2024-11-13 23:33:56,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6759] [2024-11-13 23:33:56,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6834] [2024-11-13 23:33:56,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6839] [2024-11-13 23:33:56,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6844] [2024-11-13 23:33:56,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6849] [2024-11-13 23:33:56,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7237] [2024-11-13 23:33:56,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7242] [2024-11-13 23:33:56,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7247] [2024-11-13 23:33:56,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7252] [2024-11-13 23:33:56,779 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)); [8780] [2024-11-13 23:33:56,779 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"); [8788-8789] [2024-11-13 23:33:56,780 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"); [8798-8799] [2024-11-13 23:33:56,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8867] [2024-11-13 23:33:56,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8872] [2024-11-13 23:33:56,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8877] [2024-11-13 23:33:56,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8882] [2024-11-13 23:33:56,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9583] [2024-11-13 23:33:56,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9588] [2024-11-13 23:33:56,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9593] [2024-11-13 23:33:56,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9598] [2024-11-13 23:33:56,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9946] [2024-11-13 23:33:56,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9951] [2024-11-13 23:33:56,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9956] [2024-11-13 23:33:56,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9961] [2024-11-13 23:33:56,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10155] [2024-11-13 23:33:56,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10160] [2024-11-13 23:33:56,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10165] [2024-11-13 23:33:56,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10170] [2024-11-13 23:33:56,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10249] [2024-11-13 23:33:56,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10254] [2024-11-13 23:33:56,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10259] [2024-11-13 23:33:56,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10264] [2024-11-13 23:33:56,903 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11356] [2024-11-13 23:33:56,931 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_97d02b4d-0e71-41a3-b831-1d9969e038d9/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2024-11-13 23:33:56,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:33:57,223 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:33:57,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57 WrapperNode [2024-11-13 23:33:57,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:33:57,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:33:57,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:33:57,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:33:57,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,481 INFO L138 Inliner]: procedures = 461, calls = 4634, calls flagged for inlining = 238, calls inlined = 15, statements flattened = 2127 [2024-11-13 23:33:57,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:33:57,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:33:57,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:33:57,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:33:57,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:33:57,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:33:57,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:33:57,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:33:57,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (1/1) ... [2024-11-13 23:33:57,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:33:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:33:57,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:33:57,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d02b4d-0e71-41a3-b831-1d9969e038d9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:33:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-13 23:33:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-13 23:33:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 23:33:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 23:33:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-13 23:33:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-13 23:33:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-13 23:33:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-13 23:33:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2024-11-13 23:33:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2024-11-13 23:33:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:33:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-13 23:33:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-13 23:33:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-13 23:33:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-13 23:33:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-13 23:33:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-13 23:33:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:33:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-13 23:33:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-13 23:33:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2024-11-13 23:33:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2024-11-13 23:33:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-13 23:33:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-13 23:33:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:33:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:33:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:33:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2024-11-13 23:33:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2024-11-13 23:33:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-13 23:33:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-13 23:33:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2024-11-13 23:33:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2024-11-13 23:33:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:33:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:33:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-13 23:33:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-13 23:33:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-13 23:33:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:33:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2024-11-13 23:33:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2024-11-13 23:33:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:33:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 23:33:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 23:33:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-13 23:33:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-13 23:33:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-13 23:33:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-13 23:33:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-13 23:33:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-13 23:33:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2024-11-13 23:33:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2024-11-13 23:33:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:33:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2024-11-13 23:33:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2024-11-13 23:33:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-13 23:33:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-13 23:33:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:33:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2024-11-13 23:33:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2024-11-13 23:33:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-13 23:33:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-13 23:33:58,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:33:58,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:34:41,693 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-11-13 23:34:41,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:34:42,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:34:42,963 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:34:42,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:34:42 BoogieIcfgContainer [2024-11-13 23:34:42,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:34:42,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:34:42,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:34:42,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:34:42,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:33:52" (1/3) ... [2024-11-13 23:34:42,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cee669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:34:42, skipping insertion in model container [2024-11-13 23:34:42,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:33:57" (2/3) ... [2024-11-13 23:34:42,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cee669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:34:42, skipping insertion in model container [2024-11-13 23:34:42,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:34:42" (3/3) ... [2024-11-13 23:34:42,974 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2024-11-13 23:34:42,989 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:34:42,992 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i that has 26 procedures, 176 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 23:34:43,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:34:43,075 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;@5d32da02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:34:43,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:34:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 112 states have internal predecessors, (141), 44 states have call successors, (44), 25 states have call predecessors, (44), 25 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 23:34:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:34:43,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:34:43,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:34:43,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:34:43,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:34:43,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1120211734, now seen corresponding path program 1 times [2024-11-13 23:34:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:34:43,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673706822] [2024-11-13 23:34:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:37:45,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:45,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673706822] [2024-11-13 23:37:45,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673706822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:45,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:37:45,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:37:45,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367967939] [2024-11-13 23:37:45,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:45,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:37:45,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:45,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:37:45,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:37:45,307 INFO L87 Difference]: Start difference. First operand has 176 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 112 states have internal predecessors, (141), 44 states have call successors, (44), 25 states have call predecessors, (44), 25 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:37:48,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:37:51,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:37:54,203 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 [] [2024-11-13 23:37:54,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:54,927 INFO L93 Difference]: Finished difference Result 190 states and 250 transitions. [2024-11-13 23:37:54,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:37:54,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-13 23:37:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:54,942 INFO L225 Difference]: With dead ends: 190 [2024-11-13 23:37:54,942 INFO L226 Difference]: Without dead ends: 170 [2024-11-13 23:37:54,945 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 [2024-11-13 23:37:54,948 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 214 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:54,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 182 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2024-11-13 23:37:54,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-13 23:37:54,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-13 23:37:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 103 states have (on average 1.3203883495145632) internal successors, (136), 107 states have internal predecessors, (136), 43 states have call successors, (43), 25 states have call predecessors, (43), 23 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 23:37:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2024-11-13 23:37:55,000 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 10 [2024-11-13 23:37:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:55,000 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2024-11-13 23:37:55,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:37:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2024-11-13 23:37:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:37:55,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:55,002 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:37:55,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:37:55,003 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:37:55,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:55,003 INFO L85 PathProgramCache]: Analyzing trace with hash -367194435, now seen corresponding path program 1 times [2024-11-13 23:37:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:55,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619726159] [2024-11-13 23:37:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:55,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:39,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:39,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619726159] [2024-11-13 23:40:39,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619726159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:39,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:39,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:40:39,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179985659] [2024-11-13 23:40:39,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:39,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:39,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:39,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:39,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:39,769 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:40:42,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:46,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:48,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:49,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:49,498 INFO L93 Difference]: Finished difference Result 172 states and 218 transitions. [2024-11-13 23:40:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:49,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-13 23:40:49,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:49,506 INFO L225 Difference]: With dead ends: 172 [2024-11-13 23:40:49,506 INFO L226 Difference]: Without dead ends: 169 [2024-11-13 23:40:49,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:49,508 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 207 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:49,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 177 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2024-11-13 23:40:49,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-13 23:40:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-13 23:40:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 106 states have internal predecessors, (135), 42 states have call successors, (42), 25 states have call predecessors, (42), 23 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 23:40:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 215 transitions. [2024-11-13 23:40:49,530 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 215 transitions. Word has length 11 [2024-11-13 23:40:49,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:49,531 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 215 transitions. [2024-11-13 23:40:49,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:40:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 215 transitions. [2024-11-13 23:40:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:40:49,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:49,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:49,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:40:49,533 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:40:49,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:49,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1501510221, now seen corresponding path program 1 times [2024-11-13 23:40:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483302728] [2024-11-13 23:40:49,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:49,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:43:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:43:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:43:21,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:43:21,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483302728] [2024-11-13 23:43:21,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483302728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:43:21,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:43:21,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:43:21,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960367185] [2024-11-13 23:43:21,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:43:21,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:43:21,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:43:21,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:43:21,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:43:21,436 INFO L87 Difference]: Start difference. First operand 169 states and 215 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:43:23,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:43:26,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:43:29,521 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 [] [2024-11-13 23:43:30,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:43:30,498 INFO L93 Difference]: Finished difference Result 171 states and 216 transitions. [2024-11-13 23:43:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:43:30,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-13 23:43:30,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:43:30,506 INFO L225 Difference]: With dead ends: 171 [2024-11-13 23:43:30,506 INFO L226 Difference]: Without dead ends: 168 [2024-11-13 23:43:30,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:43:30,507 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 204 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:43:30,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 175 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2024-11-13 23:43:30,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-13 23:43:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-13 23:43:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 105 states have internal predecessors, (134), 41 states have call successors, (41), 25 states have call predecessors, (41), 23 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 23:43:30,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 213 transitions. [2024-11-13 23:43:30,525 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 213 transitions. Word has length 12 [2024-11-13 23:43:30,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:43:30,526 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 213 transitions. [2024-11-13 23:43:30,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:43:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2024-11-13 23:43:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:43:30,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:43:30,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:43:30,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:43:30,527 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:43:30,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:43:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash -698182720, now seen corresponding path program 1 times [2024-11-13 23:43:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:43:30,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156585599] [2024-11-13 23:43:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:43:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:46:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:46:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:46:11,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:46:11,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156585599] [2024-11-13 23:46:11,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156585599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:46:11,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:46:11,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:46:11,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504252329] [2024-11-13 23:46:11,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:46:11,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:46:11,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:46:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:46:11,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:11,255 INFO L87 Difference]: Start difference. First operand 168 states and 213 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:46:13,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:46:16,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:46:19,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:46:19,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:46:19,728 INFO L93 Difference]: Finished difference Result 170 states and 214 transitions. [2024-11-13 23:46:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:46:19,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-13 23:46:19,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:46:19,733 INFO L225 Difference]: With dead ends: 170 [2024-11-13 23:46:19,733 INFO L226 Difference]: Without dead ends: 167 [2024-11-13 23:46:19,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:46:19,734 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 201 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:46:19,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 173 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2024-11-13 23:46:19,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-13 23:46:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-13 23:46:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 104 states have internal predecessors, (133), 40 states have call successors, (40), 25 states have call predecessors, (40), 23 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-13 23:46:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 211 transitions. [2024-11-13 23:46:19,760 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 211 transitions. Word has length 13 [2024-11-13 23:46:19,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:46:19,760 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 211 transitions. [2024-11-13 23:46:19,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:46:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2024-11-13 23:46:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:46:19,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:46:19,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:46:19,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:46:19,762 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:46:19,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:46:19,762 INFO L85 PathProgramCache]: Analyzing trace with hash -169182288, now seen corresponding path program 1 times [2024-11-13 23:46:19,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:46:19,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265123914] [2024-11-13 23:46:19,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:19,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms