./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:58:12,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:58:13,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:58:13,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:58:13,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:58:13,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:58:13,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:58:13,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:58:13,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:58:13,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:58:13,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:58:13,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:58:13,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:58:13,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:58:13,060 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:58:13,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:58:13,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:58:13,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:58:13,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:58:13,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:58:13,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:58:13,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:58:13,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:58:13,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:58:13,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:58:13,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:58:13,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:58:13,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:58:13,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:58:13,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:58:13,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:58:13,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:58:13,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:58:13,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:58:13,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:58:13,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:58:13,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:58:13,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:58:13,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:58:13,070 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 [2024-11-09 03:58:13,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:58:13,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:58:13,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:58:13,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:58:13,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:58:13,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-09 03:58:14,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:58:15,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:58:15,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-09 03:58:15,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032876738/63042ea96f04454e8319d9b436011da5/FLAGba8133416 [2024-11-09 03:58:15,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032876738/63042ea96f04454e8319d9b436011da5 [2024-11-09 03:58:15,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:58:15,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:58:15,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:58:15,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:58:15,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:58:15,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:58:15" (1/1) ... [2024-11-09 03:58:15,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef43b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:15, skipping insertion in model container [2024-11-09 03:58:15,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:58:15" (1/1) ... [2024-11-09 03:58:15,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:58:17,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2024-11-09 03:58:17,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:58:17,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:58:17,344 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4703] [2024-11-09 03:58:17,347 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4710] [2024-11-09 03:58:17,347 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; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4718-4719] [2024-11-09 03:58:17,349 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; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4727-4728] [2024-11-09 03:58:17,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4750] [2024-11-09 03:58:17,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4753] [2024-11-09 03:58:17,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4756] [2024-11-09 03:58:17,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4759] [2024-11-09 03:58:17,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5123] [2024-11-09 03:58:17,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5127] [2024-11-09 03:58:17,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5131] [2024-11-09 03:58:17,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5135] [2024-11-09 03:58:17,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5146] [2024-11-09 03:58:17,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5150] [2024-11-09 03:58:17,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5154] [2024-11-09 03:58:17,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5158] [2024-11-09 03:58:17,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5169] [2024-11-09 03:58:17,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5173] [2024-11-09 03:58:17,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5177] [2024-11-09 03:58:17,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5181] [2024-11-09 03:58:17,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5192] [2024-11-09 03:58:17,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5196] [2024-11-09 03:58:17,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5200] [2024-11-09 03:58:17,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5204] [2024-11-09 03:58:17,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5254] [2024-11-09 03:58:17,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5258] [2024-11-09 03:58:17,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5262] [2024-11-09 03:58:17,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5266] [2024-11-09 03:58:17,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5277] [2024-11-09 03:58:17,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5281] [2024-11-09 03:58:17,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5285] [2024-11-09 03:58:17,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5289] [2024-11-09 03:58:17,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5300] [2024-11-09 03:58:17,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5304] [2024-11-09 03:58:17,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5308] [2024-11-09 03:58:17,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5312] [2024-11-09 03:58:17,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5323] [2024-11-09 03:58:17,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5327] [2024-11-09 03:58:17,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5331] [2024-11-09 03:58:17,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5335] [2024-11-09 03:58:17,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5409] [2024-11-09 03:58:17,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5413] [2024-11-09 03:58:17,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5417] [2024-11-09 03:58:17,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5421] [2024-11-09 03:58:17,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5432] [2024-11-09 03:58:17,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5436] [2024-11-09 03:58:17,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5440] [2024-11-09 03:58:17,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5444] [2024-11-09 03:58:17,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5455] [2024-11-09 03:58:17,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5459] [2024-11-09 03:58:17,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5463] [2024-11-09 03:58:17,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5467] [2024-11-09 03:58:17,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6408] [2024-11-09 03:58:17,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6411] [2024-11-09 03:58:17,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6414] [2024-11-09 03:58:17,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6417] [2024-11-09 03:58:17,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6420] [2024-11-09 03:58:17,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6433] [2024-11-09 03:58:17,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6436] [2024-11-09 03:58:17,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6439] [2024-11-09 03:58:17,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6442] [2024-11-09 03:58:17,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6445] [2024-11-09 03:58:17,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6467] [2024-11-09 03:58:17,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6470] [2024-11-09 03:58:17,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6473] [2024-11-09 03:58:17,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6476] [2024-11-09 03:58:17,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6479] [2024-11-09 03:58:17,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6512-6513] [2024-11-09 03:58:17,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6516-6517] [2024-11-09 03:58:17,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6520-6521] [2024-11-09 03:58:17,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6524-6525] [2024-11-09 03:58:17,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6528-6529] [2024-11-09 03:58:17,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6542] [2024-11-09 03:58:17,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6545] [2024-11-09 03:58:17,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6548] [2024-11-09 03:58:17,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6551] [2024-11-09 03:58:17,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6554] [2024-11-09 03:58:17,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6587-6588] [2024-11-09 03:58:17,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6591-6592] [2024-11-09 03:58:17,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6595-6596] [2024-11-09 03:58:17,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6599-6600] [2024-11-09 03:58:17,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6603-6604] [2024-11-09 03:58:17,587 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2024-11-09 03:58:17,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:58:17,689 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:58:17,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17 WrapperNode [2024-11-09 03:58:17,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:58:17,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:58:17,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:58:17,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:58:17,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:17,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:17,921 INFO L138 Inliner]: procedures = 156, calls = 823, calls flagged for inlining = 81, calls inlined = 80, statements flattened = 3052 [2024-11-09 03:58:17,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:58:17,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:58:17,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:58:17,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:58:17,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:17,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:17,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,402 INFO L175 MemorySlicer]: Split 420 memory accesses to 11 slices as follows [2, 1, 12, 2, 1, 1, 4, 36, 22, 3, 336]. 80 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 177 writes are split as follows [0, 0, 12, 0, 0, 1, 1, 36, 22, 0, 105]. [2024-11-09 03:58:18,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:58:18,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:58:18,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:58:18,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:58:18,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (1/1) ... [2024-11-09 03:58:18,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:58:18,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:58:18,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:58:18,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:58:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:58:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-09 03:58:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-09 03:58:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-09 03:58:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-09 03:58:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-09 03:58:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:58:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:58:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:58:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:58:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:58:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:58:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-09 03:58:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-09 03:58:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-09 03:58:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:58:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-09 03:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-09 03:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-09 03:58:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-09 03:58:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-09 03:58:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:58:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:58:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:58:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:58:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:58:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:58:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-09 03:58:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-09 03:58:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-09 03:58:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-09 03:58:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-09 03:58:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 03:58:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 03:58:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 03:58:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 03:58:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 03:58:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 03:58:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2024-11-09 03:58:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2024-11-09 03:58:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-09 03:58:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-09 03:58:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 03:58:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 03:58:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-09 03:58:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-09 03:58:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 03:58:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 03:58:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-09 03:58:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 03:58:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 03:58:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-09 03:58:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-09 03:58:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-09 03:58:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-09 03:58:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-09 03:58:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-09 03:58:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-09 03:58:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:58:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-09 03:58:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:58:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:58:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:58:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:58:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 03:58:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 03:58:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 03:58:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-09 03:58:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-09 03:58:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-09 03:58:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-09 03:58:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-09 03:58:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-09 03:58:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-09 03:58:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-09 03:58:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-09 03:58:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-09 03:58:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:58:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-09 03:58:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-09 03:58:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-09 03:58:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-09 03:58:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-09 03:58:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-09 03:58:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 03:58:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 03:58:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 03:58:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 03:58:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 03:58:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 03:58:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 03:58:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 03:58:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-09 03:58:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-09 03:58:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-09 03:58:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-09 03:58:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 03:58:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 03:58:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 03:58:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 03:58:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:58:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:58:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:58:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:58:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:58:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:58:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:58:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:58:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 03:58:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 03:58:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 03:58:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-09 03:58:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-09 03:58:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 03:58:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 03:58:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-09 03:58:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-09 03:58:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-09 03:58:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-09 03:58:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 03:58:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 03:58:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 03:58:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 03:58:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 03:58:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 03:58:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-09 03:58:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-09 03:58:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-09 03:58:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-09 03:58:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-09 03:58:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:58:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:58:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-09 03:58:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-09 03:58:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-09 03:58:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-09 03:58:19,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:58:19,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:58:26,372 INFO L? ?]: Removed 1468 outVars from TransFormulas that were not future-live. [2024-11-09 03:58:26,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:58:26,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:58:26,438 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:58:26,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:58:26 BoogieIcfgContainer [2024-11-09 03:58:26,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:58:26,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:58:26,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:58:26,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:58:26,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:58:15" (1/3) ... [2024-11-09 03:58:26,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e4dd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:58:26, skipping insertion in model container [2024-11-09 03:58:26,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:58:17" (2/3) ... [2024-11-09 03:58:26,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e4dd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:58:26, skipping insertion in model container [2024-11-09 03:58:26,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:58:26" (3/3) ... [2024-11-09 03:58:26,450 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-09 03:58:26,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:58:26,467 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:58:26,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:58:26,641 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=PETRI_NET, 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;@77b18c48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:58:26,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:58:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 1061 states, 780 states have (on average 1.4243589743589744) internal successors, (1111), 818 states have internal predecessors, (1111), 234 states have call successors, (234), 45 states have call predecessors, (234), 45 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-09 03:58:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 03:58:26,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:26,672 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:26,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:26,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:26,681 INFO L85 PathProgramCache]: Analyzing trace with hash 625661202, now seen corresponding path program 1 times [2024-11-09 03:58:26,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:26,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405875615] [2024-11-09 03:58:26,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:26,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:58:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:58:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:58:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:58:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:58:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 03:58:27,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:27,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405875615] [2024-11-09 03:58:27,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405875615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:27,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:27,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:58:27,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102416734] [2024-11-09 03:58:27,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:27,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:58:27,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:58:27,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:58:27,942 INFO L87 Difference]: Start difference. First operand has 1061 states, 780 states have (on average 1.4243589743589744) internal successors, (1111), 818 states have internal predecessors, (1111), 234 states have call successors, (234), 45 states have call predecessors, (234), 45 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 03:58:31,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:34,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:34,018 INFO L93 Difference]: Finished difference Result 2138 states and 3202 transitions. [2024-11-09 03:58:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 03:58:34,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 78 [2024-11-09 03:58:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:34,045 INFO L225 Difference]: With dead ends: 2138 [2024-11-09 03:58:34,046 INFO L226 Difference]: Without dead ends: 1038 [2024-11-09 03:58:34,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:58:34,058 INFO L432 NwaCegarLoop]: 1102 mSDtfsCounter, 1728 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 408 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:34,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 1763 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 708 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-09 03:58:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-11-09 03:58:34,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1018. [2024-11-09 03:58:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 748 states have (on average 1.414438502673797) internal successors, (1058), 783 states have internal predecessors, (1058), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-09 03:58:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1506 transitions. [2024-11-09 03:58:34,243 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1506 transitions. Word has length 78 [2024-11-09 03:58:34,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:34,244 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1506 transitions. [2024-11-09 03:58:34,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 03:58:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1506 transitions. [2024-11-09 03:58:34,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 03:58:34,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:34,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:34,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:58:34,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:34,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:34,255 INFO L85 PathProgramCache]: Analyzing trace with hash 827485136, now seen corresponding path program 1 times [2024-11-09 03:58:34,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:34,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798328227] [2024-11-09 03:58:34,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:34,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:34,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:34,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:58:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:34,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:58:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:34,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:58:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:35,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:58:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:35,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:58:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 03:58:35,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:35,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798328227] [2024-11-09 03:58:35,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798328227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:35,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:35,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:58:35,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680729181] [2024-11-09 03:58:35,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:35,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:58:35,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:35,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:58:35,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:58:35,030 INFO L87 Difference]: Start difference. First operand 1018 states and 1506 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 03:58:39,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:41,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:41,307 INFO L93 Difference]: Finished difference Result 1042 states and 1544 transitions. [2024-11-09 03:58:41,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:58:41,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 78 [2024-11-09 03:58:41,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:41,317 INFO L225 Difference]: With dead ends: 1042 [2024-11-09 03:58:41,317 INFO L226 Difference]: Without dead ends: 1040 [2024-11-09 03:58:41,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:58:41,319 INFO L432 NwaCegarLoop]: 1049 mSDtfsCounter, 456 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 1889 mSolverCounterSat, 176 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1889 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:41,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 3480 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1889 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-09 03:58:41,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-11-09 03:58:41,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1020. [2024-11-09 03:58:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 750 states have (on average 1.4133333333333333) internal successors, (1060), 785 states have internal predecessors, (1060), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-09 03:58:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1508 transitions. [2024-11-09 03:58:41,378 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1508 transitions. Word has length 78 [2024-11-09 03:58:41,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:41,379 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1508 transitions. [2024-11-09 03:58:41,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 03:58:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1508 transitions. [2024-11-09 03:58:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 03:58:41,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:41,385 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:41,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 03:58:41,387 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:41,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:41,388 INFO L85 PathProgramCache]: Analyzing trace with hash 781579112, now seen corresponding path program 1 times [2024-11-09 03:58:41,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:41,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423909511] [2024-11-09 03:58:41,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:41,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:58:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:58:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:58:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:58:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:58:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 03:58:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 03:58:42,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:42,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423909511] [2024-11-09 03:58:42,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423909511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:42,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:42,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:58:42,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316495339] [2024-11-09 03:58:42,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:42,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:58:42,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:42,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:58:42,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:58:42,184 INFO L87 Difference]: Start difference. First operand 1020 states and 1508 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 03:58:46,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:50,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:52,118 INFO L93 Difference]: Finished difference Result 2039 states and 3023 transitions. [2024-11-09 03:58:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:58:52,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 88 [2024-11-09 03:58:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:52,130 INFO L225 Difference]: With dead ends: 2039 [2024-11-09 03:58:52,130 INFO L226 Difference]: Without dead ends: 1051 [2024-11-09 03:58:52,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:58:52,137 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 1639 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 392 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:52,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 2368 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1508 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-09 03:58:52,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-09 03:58:52,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1021. [2024-11-09 03:58:52,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 751 states have (on average 1.4127829560585885) internal successors, (1061), 786 states have internal predecessors, (1061), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-09 03:58:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1509 transitions. [2024-11-09 03:58:52,194 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1509 transitions. Word has length 88 [2024-11-09 03:58:52,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:52,195 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1509 transitions. [2024-11-09 03:58:52,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 03:58:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1509 transitions. [2024-11-09 03:58:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 03:58:52,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:52,201 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:52,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 03:58:52,201 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:52,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:52,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1580967689, now seen corresponding path program 1 times [2024-11-09 03:58:52,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:52,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541794468] [2024-11-09 03:58:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:52,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:58:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:58:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:58:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:58:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:58:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 03:58:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 03:58:52,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:52,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541794468] [2024-11-09 03:58:52,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541794468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:52,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:52,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:58:52,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26388750] [2024-11-09 03:58:52,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:52,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:58:52,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:52,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:58:52,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:58:52,946 INFO L87 Difference]: Start difference. First operand 1021 states and 1509 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 03:58:56,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:59,771 INFO L93 Difference]: Finished difference Result 1058 states and 1566 transitions. [2024-11-09 03:58:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:58:59,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 90 [2024-11-09 03:58:59,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:59,780 INFO L225 Difference]: With dead ends: 1058 [2024-11-09 03:58:59,780 INFO L226 Difference]: Without dead ends: 1056 [2024-11-09 03:58:59,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:58:59,785 INFO L432 NwaCegarLoop]: 1063 mSDtfsCounter, 576 mSDsluCounter, 3239 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 179 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 4302 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:59,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 4302 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 2496 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-11-09 03:58:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-09 03:58:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1023. [2024-11-09 03:58:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 752 states have (on average 1.4122340425531914) internal successors, (1062), 786 states have internal predecessors, (1062), 225 states have call successors, (225), 45 states have call predecessors, (225), 45 states have return successors, (225), 223 states have call predecessors, (225), 225 states have call successors, (225) [2024-11-09 03:58:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1512 transitions. [2024-11-09 03:58:59,833 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1512 transitions. Word has length 90 [2024-11-09 03:58:59,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:59,834 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1512 transitions. [2024-11-09 03:58:59,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 03:58:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1512 transitions. [2024-11-09 03:58:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 03:58:59,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:59,839 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:59,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 03:58:59,839 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:59,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:59,840 INFO L85 PathProgramCache]: Analyzing trace with hash 827046205, now seen corresponding path program 1 times [2024-11-09 03:58:59,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:59,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527794832] [2024-11-09 03:58:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:59,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:59:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:59:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:59:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:59:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:59:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:59:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:59:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:59:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 03:59:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 03:59:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:59:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 03:59:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:59:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 03:59:00,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:59:00,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527794832] [2024-11-09 03:59:00,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527794832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:59:00,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:59:00,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:59:00,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698657639] [2024-11-09 03:59:00,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:59:00,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:59:00,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:59:00,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:59:00,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:59:00,451 INFO L87 Difference]: Start difference. First operand 1023 states and 1512 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 03:59:04,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:59:08,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:59:11,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:59:11,946 INFO L93 Difference]: Finished difference Result 3018 states and 4473 transitions. [2024-11-09 03:59:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:59:11,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2024-11-09 03:59:11,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:59:11,962 INFO L225 Difference]: With dead ends: 3018 [2024-11-09 03:59:11,963 INFO L226 Difference]: Without dead ends: 2027 [2024-11-09 03:59:11,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:59:11,969 INFO L432 NwaCegarLoop]: 1262 mSDtfsCounter, 2021 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 509 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-09 03:59:11,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 2849 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1448 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-09 03:59:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2024-11-09 03:59:12,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1985. [2024-11-09 03:59:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1460 states have (on average 1.4164383561643836) internal successors, (2068), 1527 states have internal predecessors, (2068), 435 states have call successors, (435), 89 states have call predecessors, (435), 89 states have return successors, (435), 431 states have call predecessors, (435), 435 states have call successors, (435) [2024-11-09 03:59:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2938 transitions. [2024-11-09 03:59:12,095 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2938 transitions. Word has length 122 [2024-11-09 03:59:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:59:12,097 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 2938 transitions. [2024-11-09 03:59:12,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 03:59:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2938 transitions. [2024-11-09 03:59:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 03:59:12,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:59:12,107 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:12,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 03:59:12,107 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:59:12,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:59:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash -366243905, now seen corresponding path program 1 times [2024-11-09 03:59:12,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:59:12,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169291362] [2024-11-09 03:59:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:59:12,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:59:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:59:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:59:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:59:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:59:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:59:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:59:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 03:59:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:59:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:59:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 03:59:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 03:59:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 03:59:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 03:59:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 03:59:12,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:59:12,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169291362] [2024-11-09 03:59:12,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169291362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:59:12,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:59:12,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:59:12,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899700665] [2024-11-09 03:59:12,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:59:12,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:59:12,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:59:12,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:59:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:59:12,754 INFO L87 Difference]: Start difference. First operand 1985 states and 2938 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 03:59:16,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:59:18,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:59:18,846 INFO L93 Difference]: Finished difference Result 3028 states and 4468 transitions. [2024-11-09 03:59:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:59:18,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2024-11-09 03:59:18,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:59:18,853 INFO L225 Difference]: With dead ends: 3028 [2024-11-09 03:59:18,854 INFO L226 Difference]: Without dead ends: 1073 [2024-11-09 03:59:18,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:59:18,861 INFO L432 NwaCegarLoop]: 1051 mSDtfsCounter, 456 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 175 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 3489 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 03:59:18,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 3489 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1884 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 03:59:18,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-09 03:59:18,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1044. [2024-11-09 03:59:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 767 states have (on average 1.4028683181225554) internal successors, (1076), 801 states have internal predecessors, (1076), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-09 03:59:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1528 transitions. [2024-11-09 03:59:18,921 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1528 transitions. Word has length 124 [2024-11-09 03:59:18,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:59:18,922 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1528 transitions. [2024-11-09 03:59:18,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 03:59:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1528 transitions. [2024-11-09 03:59:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 03:59:18,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:59:18,928 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:18,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 03:59:18,929 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:59:18,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:59:18,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1884630537, now seen corresponding path program 1 times [2024-11-09 03:59:18,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:59:18,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403825791] [2024-11-09 03:59:18,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:59:18,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:59:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:59:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:59:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:59:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:59:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:59:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:59:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:59:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 03:59:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 03:59:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 03:59:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 03:59:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 03:59:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 03:59:19,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:59:19,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403825791] [2024-11-09 03:59:19,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403825791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:59:19,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:59:19,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:59:19,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422040567] [2024-11-09 03:59:19,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:59:19,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:59:19,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:59:19,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:59:19,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:59:19,579 INFO L87 Difference]: Start difference. First operand 1044 states and 1528 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 03:59:23,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:59:27,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:59:29,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:59:29,431 INFO L93 Difference]: Finished difference Result 2091 states and 3079 transitions. [2024-11-09 03:59:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:59:29,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 124 [2024-11-09 03:59:29,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:59:29,439 INFO L225 Difference]: With dead ends: 2091 [2024-11-09 03:59:29,439 INFO L226 Difference]: Without dead ends: 1100 [2024-11-09 03:59:29,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:59:29,443 INFO L432 NwaCegarLoop]: 1041 mSDtfsCounter, 1646 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 405 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 03:59:29,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 2353 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1522 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 03:59:29,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-11-09 03:59:29,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1048. [2024-11-09 03:59:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 771 states have (on average 1.4020752269779506) internal successors, (1081), 805 states have internal predecessors, (1081), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-09 03:59:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1533 transitions. [2024-11-09 03:59:29,508 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1533 transitions. Word has length 124 [2024-11-09 03:59:29,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:59:29,509 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1533 transitions. [2024-11-09 03:59:29,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 03:59:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1533 transitions. [2024-11-09 03:59:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 03:59:29,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:59:29,515 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:29,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 03:59:29,516 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:59:29,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:59:29,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1506823180, now seen corresponding path program 1 times [2024-11-09 03:59:29,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:59:29,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278980241] [2024-11-09 03:59:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:59:29,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:59:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:29,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:59:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:59:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:59:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 03:59:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:59:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:59:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:59:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:59:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 03:59:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:59:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:59:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 03:59:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 03:59:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:59:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 03:59:30,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:59:30,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278980241] [2024-11-09 03:59:30,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278980241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:59:30,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:59:30,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:59:30,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009135994] [2024-11-09 03:59:30,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:59:30,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:59:30,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:59:30,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:59:30,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:59:30,076 INFO L87 Difference]: Start difference. First operand 1048 states and 1533 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 03:59:34,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:59:35,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:59:35,417 INFO L93 Difference]: Finished difference Result 2072 states and 3055 transitions. [2024-11-09 03:59:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 03:59:35,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-11-09 03:59:35,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:59:35,426 INFO L225 Difference]: With dead ends: 2072 [2024-11-09 03:59:35,426 INFO L226 Difference]: Without dead ends: 1077 [2024-11-09 03:59:35,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:59:35,431 INFO L432 NwaCegarLoop]: 1044 mSDtfsCounter, 453 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 178 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2570 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-09 03:59:35,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 2570 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1262 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-09 03:59:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2024-11-09 03:59:35,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1048. [2024-11-09 03:59:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 771 states have (on average 1.398184176394293) internal successors, (1078), 805 states have internal predecessors, (1078), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-09 03:59:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1530 transitions. [2024-11-09 03:59:35,552 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1530 transitions. Word has length 127 [2024-11-09 03:59:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:59:35,552 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1530 transitions. [2024-11-09 03:59:35,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 03:59:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1530 transitions. [2024-11-09 03:59:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 03:59:35,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:59:35,557 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:35,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 03:59:35,558 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:59:35,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:59:35,559 INFO L85 PathProgramCache]: Analyzing trace with hash -150139687, now seen corresponding path program 1 times [2024-11-09 03:59:35,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:59:35,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720307626] [2024-11-09 03:59:35,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:59:35,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms