./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.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_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/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_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/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_ee889f0c-af34-4a43-a553-3cbee7701440/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 d2c4c465e47fed812df3cdee17712a5e3ba0421a511f5c981e62a9200b3dd47a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:27:58,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:27:58,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:27:58,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:27:58,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:27:58,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:27:58,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:27:58,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:27:58,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:27:58,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:27:58,996 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:27:58,996 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:27:58,996 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:27:58,997 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:27:58,997 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:27:58,997 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:27:58,998 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:27:58,998 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:27:58,998 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:27:58,999 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:27:58,999 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:27:59,000 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:27:59,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:27:59,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:27:59,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:27:59,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:27:59,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:27:59,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:27:59,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:27:59,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:27:59,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:27:59,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:27:59,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:27:59,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:27:59,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:27:59,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:27:59,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:27:59,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:27:59,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:27:59,011 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:27:59,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:27:59,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:27:59,013 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:27:59,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:27:59,015 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_ee889f0c-af34-4a43-a553-3cbee7701440/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c4c465e47fed812df3cdee17712a5e3ba0421a511f5c981e62a9200b3dd47a [2024-11-09 07:27:59,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:27:59,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:27:59,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:27:59,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:27:59,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:27:59,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i Unable to find full path for "g++" [2024-11-09 07:28:01,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:28:02,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:28:02,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2024-11-09 07:28:02,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/data/859b891be/3867da7178b74e60b70fd233628be910/FLAGac0c53b48 [2024-11-09 07:28:02,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/data/859b891be/3867da7178b74e60b70fd233628be910 [2024-11-09 07:28:02,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:28:02,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:28:02,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:28:02,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:28:02,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:28:02,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:28:02" (1/1) ... [2024-11-09 07:28:02,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec8e103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:02, skipping insertion in model container [2024-11-09 07:28:02,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:28:02" (1/1) ... [2024-11-09 07:28:02,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:28:05,734 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_ee889f0c-af34-4a43-a553-3cbee7701440/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[345486,345499] [2024-11-09 07:28:05,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:28:05,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:28:06,070 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 07:28:06,072 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 07:28:06,073 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 07:28:06,073 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 07:28:06,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6743] [2024-11-09 07:28:06,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6748] [2024-11-09 07:28:06,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6753] [2024-11-09 07:28:06,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6758] [2024-11-09 07:28:06,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6833] [2024-11-09 07:28:06,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6838] [2024-11-09 07:28:06,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6843] [2024-11-09 07:28:06,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6848] [2024-11-09 07:28:06,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7236] [2024-11-09 07:28:06,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7241] [2024-11-09 07:28:06,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7246] [2024-11-09 07:28:06,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7251] [2024-11-09 07:28:06,482 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)); [8779] [2024-11-09 07:28:06,483 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"); [8787-8788] [2024-11-09 07:28:06,483 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"); [8797-8798] [2024-11-09 07:28:06,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8866] [2024-11-09 07:28:06,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8871] [2024-11-09 07:28:06,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8876] [2024-11-09 07:28:06,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8881] [2024-11-09 07:28:06,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9582] [2024-11-09 07:28:06,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9587] [2024-11-09 07:28:06,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9592] [2024-11-09 07:28:06,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9597] [2024-11-09 07:28:06,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9945] [2024-11-09 07:28:06,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9950] [2024-11-09 07:28:06,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9955] [2024-11-09 07:28:06,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9960] [2024-11-09 07:28:06,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10154] [2024-11-09 07:28:06,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10159] [2024-11-09 07:28:06,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10164] [2024-11-09 07:28:06,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10169] [2024-11-09 07:28:06,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10248] [2024-11-09 07:28:06,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10253] [2024-11-09 07:28:06,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10258] [2024-11-09 07:28:06,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10263] [2024-11-09 07:28:06,604 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11439] [2024-11-09 07:28:06,629 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_ee889f0c-af34-4a43-a553-3cbee7701440/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[345486,345499] [2024-11-09 07:28:06,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:28:06,944 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:28:06,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06 WrapperNode [2024-11-09 07:28:06,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:28:06,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:28:06,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:28:06,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:28:06,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,273 INFO L138 Inliner]: procedures = 461, calls = 4682, calls flagged for inlining = 236, calls inlined = 29, statements flattened = 2795 [2024-11-09 07:28:07,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:28:07,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:28:07,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:28:07,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:28:07,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:28:07,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:28:07,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:28:07,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:28:07,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (1/1) ... [2024-11-09 07:28:07,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:28:07,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:28:07,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:28:07,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee889f0c-af34-4a43-a553-3cbee7701440/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:28:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-09 07:28:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-09 07:28:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 07:28:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 07:28:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-09 07:28:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-09 07:28:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 07:28:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 07:28:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency___0 [2024-11-09 07:28:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency___0 [2024-11-09 07:28:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2024-11-09 07:28:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2024-11-09 07:28:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_close [2024-11-09 07:28:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_close [2024-11-09 07:28:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-09 07:28:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-09 07:28:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2024-11-09 07:28:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2024-11-09 07:28:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:28:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_check_mode_radio [2024-11-09 07:28:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_check_mode_radio [2024-11-09 07:28:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2024-11-09 07:28:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2024-11-09 07:28:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 07:28:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 07:28:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 07:28:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:28:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-09 07:28:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-09 07:28:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-09 07:28:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-09 07:28:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-09 07:28:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-09 07:28:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:28:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 07:28:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 07:28:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-09 07:28:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-09 07:28:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-11-09 07:28:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-11-09 07:28:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:28:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:28:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-09 07:28:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-09 07:28:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 07:28:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 07:28:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:28:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-09 07:28:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-09 07:28:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-09 07:28:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-09 07:28:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2024-11-09 07:28:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2024-11-09 07:28:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-09 07:28:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-09 07:28:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:28:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:28:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-09 07:28:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-09 07:28:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 07:28:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:28:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-09 07:28:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-09 07:28:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 07:28:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 07:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2024-11-09 07:28:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2024-11-09 07:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 07:28:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 07:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 07:28:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 07:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:28:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 07:28:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 07:28:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:28:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:28:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_open [2024-11-09 07:28:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_open [2024-11-09 07:28:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:28:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 07:28:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 07:28:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2024-11-09 07:28:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2024-11-09 07:28:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 07:28:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 07:28:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:28:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:28:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2024-11-09 07:28:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2024-11-09 07:28:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 07:28:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 07:28:08,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:28:08,320 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:29:05,523 INFO L? ?]: Removed 668 outVars from TransFormulas that were not future-live. [2024-11-09 07:29:05,524 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:29:06,774 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:29:06,778 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 07:29:06,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:29:06 BoogieIcfgContainer [2024-11-09 07:29:06,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:29:06,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:29:06,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:29:06,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:29:06,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:28:02" (1/3) ... [2024-11-09 07:29:06,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5366c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:29:06, skipping insertion in model container [2024-11-09 07:29:06,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:28:06" (2/3) ... [2024-11-09 07:29:06,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5366c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:29:06, skipping insertion in model container [2024-11-09 07:29:06,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:29:06" (3/3) ... [2024-11-09 07:29:06,791 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2024-11-09 07:29:06,811 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:29:06,811 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:29:06,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:29:06,901 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;@37badc05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:29:06,902 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:29:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 407 states, 245 states have (on average 1.3265306122448979) internal successors, (325), 259 states have internal predecessors, (325), 122 states have call successors, (122), 38 states have call predecessors, (122), 38 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-09 07:29:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 07:29:06,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:29:06,921 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:29:06,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:29:06,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:29:06,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2126916452, now seen corresponding path program 1 times [2024-11-09 07:29:06,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:29:06,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643472046] [2024-11-09 07:29:06,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:29:06,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:32:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:32:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-09 07:32:28,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:32:28,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643472046] [2024-11-09 07:32:28,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643472046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:32:28,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:32:28,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:32:28,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166336058] [2024-11-09 07:32:28,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:32:28,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:32:28,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:32:28,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:32:28,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:32:28,693 INFO L87 Difference]: Start difference. First operand has 407 states, 245 states have (on average 1.3265306122448979) internal successors, (325), 259 states have internal predecessors, (325), 122 states have call successors, (122), 38 states have call predecessors, (122), 38 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 07:32:31,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:32:34,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:32:37,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:32:40,513 WARN L539 Checker$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 07:32:42,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:32:44,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:32:47,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:32:49,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:32:50,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:32:50,231 INFO L93 Difference]: Finished difference Result 811 states and 1140 transitions. [2024-11-09 07:32:50,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:32:50,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2024-11-09 07:32:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:32:50,252 INFO L225 Difference]: With dead ends: 811 [2024-11-09 07:32:50,252 INFO L226 Difference]: Without dead ends: 432 [2024-11-09 07:32:50,260 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 07:32:50,264 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 257 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:32:50,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 779 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 8 Unknown, 0 Unchecked, 21.4s Time] [2024-11-09 07:32:50,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-09 07:32:50,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2024-11-09 07:32:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 262 states have (on average 1.3091603053435115) 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, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-09 07:32:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 587 transitions. [2024-11-09 07:32:50,412 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 587 transitions. Word has length 106 [2024-11-09 07:32:50,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:32:50,416 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 587 transitions. [2024-11-09 07:32:50,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 07:32:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 587 transitions. [2024-11-09 07:32:50,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 07:32:50,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:32:50,421 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:50,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:32:50,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:32:50,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:32:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1510502080, now seen corresponding path program 1 times [2024-11-09 07:32:50,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:32:50,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879025371] [2024-11-09 07:32:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:32:50,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:35:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:35:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-09 07:35:56,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:35:56,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879025371] [2024-11-09 07:35:56,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879025371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:35:56,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:35:56,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:35:56,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150010549] [2024-11-09 07:35:56,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:35:56,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:35:56,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:35:56,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:35:56,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:35:56,174 INFO L87 Difference]: Start difference. First operand 430 states and 587 transitions. 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, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 07:35:59,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:36:02,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:36:05,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:36:08,005 WARN L539 Checker$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 07:36:10,152 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 07:36:10,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:36:10,999 INFO L93 Difference]: Finished difference Result 432 states and 588 transitions. [2024-11-09 07:36:11,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:36:11,000 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, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 107 [2024-11-09 07:36:11,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:36:11,007 INFO L225 Difference]: With dead ends: 432 [2024-11-09 07:36:11,007 INFO L226 Difference]: Without dead ends: 429 [2024-11-09 07:36:11,008 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 07:36:11,009 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 502 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:36:11,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 522 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 14.8s Time] [2024-11-09 07:36:11,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-09 07:36:11,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-09 07:36:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 262 states have (on average 1.3053435114503817) 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, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-09 07:36:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 585 transitions. [2024-11-09 07:36:11,086 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 585 transitions. Word has length 107 [2024-11-09 07:36:11,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:36:11,087 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 585 transitions. [2024-11-09 07:36:11,087 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, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 07:36:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 585 transitions. [2024-11-09 07:36:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 07:36:11,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:36:11,090 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:11,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:36:11,091 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:36:11,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:36:11,092 INFO L85 PathProgramCache]: Analyzing trace with hash 418479135, now seen corresponding path program 1 times [2024-11-09 07:36:11,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:36:11,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502450737] [2024-11-09 07:36:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:36:11,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:39:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:39:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-09 07:39:16,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:39:16,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502450737] [2024-11-09 07:39:16,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502450737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:39:16,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:39:16,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:39:16,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535447688] [2024-11-09 07:39:16,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:39:16,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:39:16,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:39:16,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:39:16,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:39:16,100 INFO L87 Difference]: Start difference. First operand 429 states and 585 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, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 07:39:19,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:39:23,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:39:26,881 WARN L539 Checker$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 07:39:28,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:39:31,351 WARN L539 Checker$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 07:39:33,502 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 07:39:34,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:39:34,490 INFO L93 Difference]: Finished difference Result 431 states and 586 transitions. [2024-11-09 07:39:34,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:39:34,491 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, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 108 [2024-11-09 07:39:34,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:39:34,495 INFO L225 Difference]: With dead ends: 431 [2024-11-09 07:39:34,495 INFO L226 Difference]: Without dead ends: 428 [2024-11-09 07:39:34,496 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 07:39:34,497 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 499 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:39:34,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 520 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 6 Unknown, 0 Unchecked, 18.3s Time] [2024-11-09 07:39:34,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-09 07:39:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-11-09 07:39:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 262 states have (on average 1.3015267175572518) internal successors, (341), 271 states have internal predecessors, (341), 123 states have call successors, (123), 44 states have call predecessors, (123), 42 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-09 07:39:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 583 transitions. [2024-11-09 07:39:34,558 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 583 transitions. Word has length 108 [2024-11-09 07:39:34,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:39:34,561 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 583 transitions. [2024-11-09 07:39:34,562 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, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 07:39:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 583 transitions. [2024-11-09 07:39:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 07:39:34,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:39:34,568 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:39:34,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:39:34,568 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:39:34,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:39:34,569 INFO L85 PathProgramCache]: Analyzing trace with hash 87359523, now seen corresponding path program 1 times [2024-11-09 07:39:34,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:39:34,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192999768] [2024-11-09 07:39:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:39:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:42:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:42:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-09 07:42:53,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:42:53,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192999768] [2024-11-09 07:42:53,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192999768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:42:53,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:42:53,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:42:53,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842782414] [2024-11-09 07:42:53,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:42:53,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:42:53,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:42:53,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:42:53,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:42:53,951 INFO L87 Difference]: Start difference. First operand 428 states and 583 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, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 07:42:56,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:43:00,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []