./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:59:26,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:59:26,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:59:26,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:59:26,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:59:26,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:59:26,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:59:26,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:59:26,343 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:59:26,343 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:59:26,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:59:26,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:59:26,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:59:26,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:59:26,345 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:59:26,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:59:26,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:59:26,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:59:26,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:59:26,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:59:26,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:59:26,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:59:26,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:59:26,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:59:26,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:59:26,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:59:26,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:59:26,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:59:26,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:59:26,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:59:26,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:59:26,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:59:26,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:59:26,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:59:26,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:59:26,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:59:26,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:59:26,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:59:26,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:59:26,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 [2024-11-22 14:59:26,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:59:26,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:59:26,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:59:26,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:59:26,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:59:26,675 INFO L431 ainManager$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 [2024-11-22 14:59:28,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:59:28,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:59:28,505 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 [2024-11-22 14:59:28,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe040090b/e139bab9c03b46c08a1a615eb8ceb473/FLAG3cc89ba42 [2024-11-22 14:59:28,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe040090b/e139bab9c03b46c08a1a615eb8ceb473 [2024-11-22 14:59:28,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:59:28,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:59:28,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:59:28,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:59:28,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:59:28,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:59:28" (1/1) ... [2024-11-22 14:59:28,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7778c375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:28, skipping insertion in model container [2024-11-22 14:59:28,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:59:28" (1/1) ... [2024-11-22 14:59:28,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:59:30,302 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] [2024-11-22 14:59:30,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:59:30,348 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:59:30,481 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] [2024-11-22 14:59:30,484 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] [2024-11-22 14:59:30,484 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] [2024-11-22 14:59:30,485 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] [2024-11-22 14:59:30,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4750] [2024-11-22 14:59:30,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4753] [2024-11-22 14:59:30,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4756] [2024-11-22 14:59:30,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4759] [2024-11-22 14:59:30,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5123] [2024-11-22 14:59:30,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5127] [2024-11-22 14:59:30,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5131] [2024-11-22 14:59:30,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5135] [2024-11-22 14:59:30,508 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] [2024-11-22 14:59:30,509 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] [2024-11-22 14:59:30,509 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] [2024-11-22 14:59:30,510 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] [2024-11-22 14:59:30,510 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] [2024-11-22 14:59:30,510 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] [2024-11-22 14:59:30,510 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] [2024-11-22 14:59:30,511 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] [2024-11-22 14:59:30,511 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] [2024-11-22 14:59:30,512 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] [2024-11-22 14:59:30,512 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] [2024-11-22 14:59:30,513 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] [2024-11-22 14:59:30,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5254] [2024-11-22 14:59:30,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5258] [2024-11-22 14:59:30,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5262] [2024-11-22 14:59:30,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5266] [2024-11-22 14:59:30,516 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] [2024-11-22 14:59:30,516 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] [2024-11-22 14:59:30,516 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] [2024-11-22 14:59:30,517 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] [2024-11-22 14:59:30,517 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] [2024-11-22 14:59:30,517 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] [2024-11-22 14:59:30,518 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] [2024-11-22 14:59:30,518 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] [2024-11-22 14:59:30,519 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] [2024-11-22 14:59:30,519 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] [2024-11-22 14:59:30,519 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] [2024-11-22 14:59:30,520 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] [2024-11-22 14:59:30,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5409] [2024-11-22 14:59:30,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5413] [2024-11-22 14:59:30,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5417] [2024-11-22 14:59:30,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5421] [2024-11-22 14:59:30,525 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] [2024-11-22 14:59:30,525 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] [2024-11-22 14:59:30,526 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] [2024-11-22 14:59:30,526 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] [2024-11-22 14:59:30,526 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] [2024-11-22 14:59:30,526 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] [2024-11-22 14:59:30,527 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] [2024-11-22 14:59:30,527 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] [2024-11-22 14:59:30,604 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] [2024-11-22 14:59:30,606 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] [2024-11-22 14:59:30,606 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] [2024-11-22 14:59:30,607 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] [2024-11-22 14:59:30,607 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] [2024-11-22 14:59:30,608 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] [2024-11-22 14:59:30,608 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] [2024-11-22 14:59:30,608 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] [2024-11-22 14:59:30,609 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] [2024-11-22 14:59:30,609 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] [2024-11-22 14:59:30,610 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] [2024-11-22 14:59:30,610 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] [2024-11-22 14:59:30,611 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] [2024-11-22 14:59:30,611 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] [2024-11-22 14:59:30,613 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] [2024-11-22 14:59:30,614 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] [2024-11-22 14:59:30,615 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] [2024-11-22 14:59:30,615 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] [2024-11-22 14:59:30,615 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] [2024-11-22 14:59:30,615 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] [2024-11-22 14:59:30,617 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] [2024-11-22 14:59:30,617 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] [2024-11-22 14:59:30,617 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] [2024-11-22 14:59:30,617 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] [2024-11-22 14:59:30,617 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] [2024-11-22 14:59:30,618 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] [2024-11-22 14:59:30,619 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] [2024-11-22 14:59:30,619 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] [2024-11-22 14:59:30,619 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] [2024-11-22 14:59:30,620 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] [2024-11-22 14:59:30,644 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] [2024-11-22 14:59:30,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:59:30,801 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:59:30,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30 WrapperNode [2024-11-22 14:59:30,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:59:30,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:59:30,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:59:30,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:59:30,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:30,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:30,967 INFO L138 Inliner]: procedures = 156, calls = 823, calls flagged for inlining = 81, calls inlined = 80, statements flattened = 3052 [2024-11-22 14:59:30,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:59:30,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:59:30,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:59:30,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:59:30,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:30,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,007 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,384 INFO L175 MemorySlicer]: Split 420 memory accesses to 11 slices as follows [2, 3, 2, 1, 4, 1, 36, 22, 1, 336, 12]. 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, 5, 0]. The 177 writes are split as follows [0, 0, 0, 0, 1, 0, 36, 22, 1, 105, 12]. [2024-11-22 14:59:31,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:59:31,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:59:31,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:59:31,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:59:31,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (1/1) ... [2024-11-22 14:59:31,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:59:31,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:59:31,607 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) [2024-11-22 14:59:31,615 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 [2024-11-22 14:59:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:59:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:59:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:59:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:59:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:59:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:59:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:59:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 14:59:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 14:59:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 14:59:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 14:59:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-22 14:59:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-22 14:59:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-22 14:59:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-22 14:59:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-22 14:59:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-22 14:59:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-22 14:59:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-22 14:59:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-22 14:59:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-22 14:59:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-22 14:59:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-22 14:59:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-22 14:59:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:59:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:59:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:59:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:59:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:59:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-22 14:59:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-22 14:59:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-22 14:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-22 14:59:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-22 14:59:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-22 14:59:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-22 14:59:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-22 14:59:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-22 14:59:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-22 14:59:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-22 14:59:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-22 14:59:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-22 14:59:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-22 14:59:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-22 14:59:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-22 14:59:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-22 14:59:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-22 14:59:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-22 14:59:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-22 14:59:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-22 14:59:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-22 14:59:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-22 14:59:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-22 14:59:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 14:59:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-22 14:59:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2024-11-22 14:59:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2024-11-22 14:59:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-22 14:59:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-22 14:59:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-22 14:59:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 14:59:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 14:59:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 14:59:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-22 14:59:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-22 14:59:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-22 14:59:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-22 14:59:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-22 14:59:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-22 14:59:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 14:59:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 14:59:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-22 14:59:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-22 14:59:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-22 14:59:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-22 14:59:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:59:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-22 14:59:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-22 14:59:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-22 14:59:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-22 14:59:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:59:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-22 14:59:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-22 14:59:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-22 14:59:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-22 14:59:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:59:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:59:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:59:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:59:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:59:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:59:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-22 14:59:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:59:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-22 14:59:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-22 14:59:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-22 14:59:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-22 14:59:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 14:59:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-22 14:59:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-22 14:59:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-22 14:59:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-22 14:59:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-22 14:59:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-22 14:59:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-22 14:59:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-22 14:59:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-22 14:59:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-22 14:59:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-22 14:59:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-22 14:59:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:59:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:59:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:59:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-22 14:59:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-22 14:59:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-22 14:59:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-22 14:59:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-22 14:59:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:59:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:59:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-22 14:59:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-22 14:59:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-22 14:59:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-22 14:59:32,209 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:59:32,212 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:59:39,459 INFO L? ?]: Removed 1468 outVars from TransFormulas that were not future-live. [2024-11-22 14:59:39,460 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:59:39,503 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:59:39,504 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:59:39,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:59:39 BoogieIcfgContainer [2024-11-22 14:59:39,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:59:39,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:59:39,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:59:39,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:59:39,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:59:28" (1/3) ... [2024-11-22 14:59:39,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653b38c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:59:39, skipping insertion in model container [2024-11-22 14:59:39,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:59:30" (2/3) ... [2024-11-22 14:59:39,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653b38c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:59:39, skipping insertion in model container [2024-11-22 14:59:39,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:59:39" (3/3) ... [2024-11-22 14:59:39,514 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-22 14:59:39,533 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:59:39,533 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:59:39,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:59:39,660 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;@284a768c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:59:39,661 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:59:39,672 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) [2024-11-22 14:59:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 14:59:39,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:59:39,689 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] [2024-11-22 14:59:39,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:59:39,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:59:39,694 INFO L85 PathProgramCache]: Analyzing trace with hash 625661202, now seen corresponding path program 1 times [2024-11-22 14:59:39,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:59:39,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36773196] [2024-11-22 14:59:39,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:59:39,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:59:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:59:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 14:59:40,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:59:40,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36773196] [2024-11-22 14:59:40,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36773196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:59:40,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:59:40,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 14:59:40,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930330515] [2024-11-22 14:59:40,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:59:40,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 14:59:40,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:59:40,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 14:59:40,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 14:59:40,732 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 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 14:59:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:59:40,922 INFO L93 Difference]: Finished difference Result 2118 states and 3168 transitions. [2024-11-22 14:59:40,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 14:59:40,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 1 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 [2024-11-22 14:59:40,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:59:40,952 INFO L225 Difference]: With dead ends: 2118 [2024-11-22 14:59:40,953 INFO L226 Difference]: Without dead ends: 1018 [2024-11-22 14:59:40,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 14:59:40,969 INFO L432 NwaCegarLoop]: 1562 mSDtfsCounter, 1567 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:59:40,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 1562 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:59:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2024-11-22 14:59:41,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1018. [2024-11-22 14:59:41,106 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) [2024-11-22 14:59:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1506 transitions. [2024-11-22 14:59:41,121 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1506 transitions. Word has length 78 [2024-11-22 14:59:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:59:41,123 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1506 transitions. [2024-11-22 14:59:41,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 14:59:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1506 transitions. [2024-11-22 14:59:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 14:59:41,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:59:41,132 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] [2024-11-22 14:59:41,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 14:59:41,132 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:59:41,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:59:41,133 INFO L85 PathProgramCache]: Analyzing trace with hash 827485136, now seen corresponding path program 1 times [2024-11-22 14:59:41,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:59:41,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767322196] [2024-11-22 14:59:41,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:59:41,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:59:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:59:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 14:59:41,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:59:41,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767322196] [2024-11-22 14:59:41,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767322196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:59:41,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:59:41,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 14:59:41,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275552778] [2024-11-22 14:59:41,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:59:41,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 14:59:41,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:59:41,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 14:59:41,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 14:59:41,980 INFO L87 Difference]: Start difference. First operand 1018 states and 1506 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 14:59:42,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:59:42,064 INFO L93 Difference]: Finished difference Result 1022 states and 1510 transitions. [2024-11-22 14:59:42,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 14:59:42,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 1 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 [2024-11-22 14:59:42,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:59:42,072 INFO L225 Difference]: With dead ends: 1022 [2024-11-22 14:59:42,072 INFO L226 Difference]: Without dead ends: 1020 [2024-11-22 14:59:42,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 14:59:42,074 INFO L432 NwaCegarLoop]: 1504 mSDtfsCounter, 0 mSDsluCounter, 3001 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4505 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:59:42,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4505 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:59:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-22 14:59:42,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2024-11-22 14:59:42,118 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) [2024-11-22 14:59:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1508 transitions. [2024-11-22 14:59:42,125 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1508 transitions. Word has length 78 [2024-11-22 14:59:42,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:59:42,126 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1508 transitions. [2024-11-22 14:59:42,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 14:59:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1508 transitions. [2024-11-22 14:59:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-22 14:59:42,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:59:42,135 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] [2024-11-22 14:59:42,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 14:59:42,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:59:42,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:59:42,137 INFO L85 PathProgramCache]: Analyzing trace with hash 781579112, now seen corresponding path program 1 times [2024-11-22 14:59:42,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:59:42,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908615564] [2024-11-22 14:59:42,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:59:42,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:59:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:59:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 14:59:42,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:59:42,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908615564] [2024-11-22 14:59:42,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908615564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:59:42,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:59:42,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 14:59:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990913035] [2024-11-22 14:59:42,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:59:42,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 14:59:42,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:59:42,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 14:59:42,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 14:59:42,775 INFO L87 Difference]: Start difference. First operand 1020 states and 1508 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 14:59:46,790 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 [] [2024-11-22 14:59:47,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:59:47,855 INFO L93 Difference]: Finished difference Result 2019 states and 2989 transitions. [2024-11-22 14:59:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 14:59:47,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 1 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 [2024-11-22 14:59:47,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:59:47,866 INFO L225 Difference]: With dead ends: 2019 [2024-11-22 14:59:47,866 INFO L226 Difference]: Without dead ends: 1031 [2024-11-22 14:59:47,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 14:59:47,873 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 1475 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:59:47,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 2540 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-22 14:59:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-22 14:59:47,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1021. [2024-11-22 14:59:47,912 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) [2024-11-22 14:59:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1509 transitions. [2024-11-22 14:59:47,919 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1509 transitions. Word has length 88 [2024-11-22 14:59:47,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:59:47,921 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1509 transitions. [2024-11-22 14:59:47,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 14:59:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1509 transitions. [2024-11-22 14:59:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 14:59:47,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:59:47,926 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] [2024-11-22 14:59:47,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 14:59:47,926 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:59:47,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:59:47,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1580967689, now seen corresponding path program 1 times [2024-11-22 14:59:47,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:59:47,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931793071] [2024-11-22 14:59:47,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:59:47,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:59:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:59:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 14:59:48,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:59:48,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931793071] [2024-11-22 14:59:48,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931793071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:59:48,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:59:48,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 14:59:48,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987927890] [2024-11-22 14:59:48,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:59:48,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 14:59:48,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:59:48,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 14:59:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 14:59:48,537 INFO L87 Difference]: Start difference. First operand 1021 states and 1509 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-22 14:59:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:59:48,631 INFO L93 Difference]: Finished difference Result 1038 states and 1532 transitions. [2024-11-22 14:59:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 14:59:48,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 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 [2024-11-22 14:59:48,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:59:48,638 INFO L225 Difference]: With dead ends: 1038 [2024-11-22 14:59:48,638 INFO L226 Difference]: Without dead ends: 1036 [2024-11-22 14:59:48,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 14:59:48,640 INFO L432 NwaCegarLoop]: 1506 mSDtfsCounter, 120 mSDsluCounter, 4355 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 5861 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:59:48,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 5861 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:59:48,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-22 14:59:48,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1023. [2024-11-22 14:59:48,671 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) [2024-11-22 14:59:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1512 transitions. [2024-11-22 14:59:48,677 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1512 transitions. Word has length 90 [2024-11-22 14:59:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:59:48,678 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1512 transitions. [2024-11-22 14:59:48,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-22 14:59:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1512 transitions. [2024-11-22 14:59:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 14:59:48,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:59:48,683 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] [2024-11-22 14:59:48,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 14:59:48,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:59:48,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:59:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash 827046205, now seen corresponding path program 1 times [2024-11-22 14:59:48,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:59:48,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965434048] [2024-11-22 14:59:48,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:59:48,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:59:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:59:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 14:59:49,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:59:49,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965434048] [2024-11-22 14:59:49,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965434048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:59:49,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:59:49,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 14:59:49,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580784269] [2024-11-22 14:59:49,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:59:49,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 14:59:49,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:59:49,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 14:59:49,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 14:59:49,198 INFO L87 Difference]: Start difference. First operand 1023 states and 1512 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-22 14:59:53,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 14:59:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:59:53,431 INFO L93 Difference]: Finished difference Result 2978 states and 4408 transitions. [2024-11-22 14:59:53,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 14:59:53,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 1 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 [2024-11-22 14:59:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:59:53,444 INFO L225 Difference]: With dead ends: 2978 [2024-11-22 14:59:53,444 INFO L226 Difference]: Without dead ends: 1987 [2024-11-22 14:59:53,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 14:59:53,452 INFO L432 NwaCegarLoop]: 1775 mSDtfsCounter, 1439 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-22 14:59:53,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 3214 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-22 14:59:53,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2024-11-22 14:59:53,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1985. [2024-11-22 14:59:53,632 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) [2024-11-22 14:59:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2938 transitions. [2024-11-22 14:59:53,645 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2938 transitions. Word has length 122 [2024-11-22 14:59:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:59:53,646 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 2938 transitions. [2024-11-22 14:59:53,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-22 14:59:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2938 transitions. [2024-11-22 14:59:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 14:59:53,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:59:53,656 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] [2024-11-22 14:59:53,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 14:59:53,656 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:59:53,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:59:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash -366243905, now seen corresponding path program 1 times [2024-11-22 14:59:53,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:59:53,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730157369] [2024-11-22 14:59:53,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:59:53,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:59:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:59:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 14:59:54,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:59:54,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730157369] [2024-11-22 14:59:54,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730157369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:59:54,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:59:54,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 14:59:54,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974981168] [2024-11-22 14:59:54,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:59:54,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 14:59:54,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:59:54,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 14:59:54,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 14:59:54,234 INFO L87 Difference]: Start difference. First operand 1985 states and 2938 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 14:59:54,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:59:54,372 INFO L93 Difference]: Finished difference Result 2999 states and 4426 transitions. [2024-11-22 14:59:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 14:59:54,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 1 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 [2024-11-22 14:59:54,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:59:54,381 INFO L225 Difference]: With dead ends: 2999 [2024-11-22 14:59:54,382 INFO L226 Difference]: Without dead ends: 1044 [2024-11-22 14:59:54,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 14:59:54,392 INFO L432 NwaCegarLoop]: 1505 mSDtfsCounter, 0 mSDsluCounter, 3003 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:59:54,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4508 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:59:54,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-22 14:59:54,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-22 14:59:54,481 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) [2024-11-22 14:59:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1528 transitions. [2024-11-22 14:59:54,490 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1528 transitions. Word has length 124 [2024-11-22 14:59:54,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:59:54,491 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1528 transitions. [2024-11-22 14:59:54,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 14:59:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1528 transitions. [2024-11-22 14:59:54,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 14:59:54,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:59:54,499 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] [2024-11-22 14:59:54,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 14:59:54,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:59:54,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:59:54,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1884630537, now seen corresponding path program 1 times [2024-11-22 14:59:54,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:59:54,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640990723] [2024-11-22 14:59:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:59:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:59:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:59:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 14:59:55,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:59:55,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640990723] [2024-11-22 14:59:55,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640990723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:59:55,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 14:59:55,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 14:59:55,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063086129] [2024-11-22 14:59:55,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:59:55,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 14:59:55,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:59:55,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 14:59:55,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 14:59:55,124 INFO L87 Difference]: Start difference. First operand 1044 states and 1528 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-22 14:59:59,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:00:00,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:00,088 INFO L93 Difference]: Finished difference Result 2062 states and 3036 transitions. [2024-11-22 15:00:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:00:00,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 1 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 [2024-11-22 15:00:00,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:00,097 INFO L225 Difference]: With dead ends: 2062 [2024-11-22 15:00:00,097 INFO L226 Difference]: Without dead ends: 1071 [2024-11-22 15:00:00,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:00:00,101 INFO L432 NwaCegarLoop]: 1494 mSDtfsCounter, 1495 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:00,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 2532 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-22 15:00:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-11-22 15:00:00,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1048. [2024-11-22 15:00:00,150 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) [2024-11-22 15:00:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1533 transitions. [2024-11-22 15:00:00,162 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1533 transitions. Word has length 124 [2024-11-22 15:00:00,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:00,163 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1533 transitions. [2024-11-22 15:00:00,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-22 15:00:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1533 transitions. [2024-11-22 15:00:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 15:00:00,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:00,168 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] [2024-11-22 15:00:00,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 15:00:00,168 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:00,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:00,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1506823180, now seen corresponding path program 1 times [2024-11-22 15:00:00,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:00,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594117393] [2024-11-22 15:00:00,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 15:00:00,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:00:00,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594117393] [2024-11-22 15:00:00,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594117393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:00:00,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:00:00,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:00:00,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80543231] [2024-11-22 15:00:00,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:00:00,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:00:00,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:00:00,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:00:00,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:00:00,636 INFO L87 Difference]: Start difference. First operand 1048 states and 1533 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 15:00:00,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:00,710 INFO L93 Difference]: Finished difference Result 2043 states and 3013 transitions. [2024-11-22 15:00:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:00:00,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 1 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 [2024-11-22 15:00:00,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:00,717 INFO L225 Difference]: With dead ends: 2043 [2024-11-22 15:00:00,717 INFO L226 Difference]: Without dead ends: 1048 [2024-11-22 15:00:00,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:00:00,721 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 0 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2984 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:00,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2984 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:00:00,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-11-22 15:00:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1048. [2024-11-22 15:00:00,772 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) [2024-11-22 15:00:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1530 transitions. [2024-11-22 15:00:00,777 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1530 transitions. Word has length 127 [2024-11-22 15:00:00,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:00,778 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1530 transitions. [2024-11-22 15:00:00,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 15:00:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1530 transitions. [2024-11-22 15:00:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 15:00:00,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:00,782 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] [2024-11-22 15:00:00,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 15:00:00,783 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:00,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:00,783 INFO L85 PathProgramCache]: Analyzing trace with hash -150139687, now seen corresponding path program 1 times [2024-11-22 15:00:00,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:00,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399313675] [2024-11-22 15:00:00,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:00,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 15:00:01,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:00:01,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399313675] [2024-11-22 15:00:01,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399313675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:00:01,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936766739] [2024-11-22 15:00:01,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:01,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:00:01,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:00:01,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:00:01,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 15:00:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:02,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 15:00:02,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:00:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 15:00:02,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 15:00:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 15:00:02,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936766739] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 15:00:02,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 15:00:02,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2024-11-22 15:00:02,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426532803] [2024-11-22 15:00:02,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 15:00:02,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 15:00:02,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:00:02,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 15:00:02,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-22 15:00:02,868 INFO L87 Difference]: Start difference. First operand 1048 states and 1530 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 4 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-22 15:00:06,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:00:10,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:00:14,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:00:18,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:00:22,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:00:26,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:00:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:28,964 INFO L93 Difference]: Finished difference Result 2123 states and 3120 transitions. [2024-11-22 15:00:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 15:00:28,965 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 4 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 130 [2024-11-22 15:00:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:28,979 INFO L225 Difference]: With dead ends: 2123 [2024-11-22 15:00:28,979 INFO L226 Difference]: Without dead ends: 1128 [2024-11-22 15:00:28,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-22 15:00:28,986 INFO L432 NwaCegarLoop]: 1488 mSDtfsCounter, 1645 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 58 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 4600 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:28,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1657 Valid, 4600 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1432 Invalid, 6 Unknown, 0 Unchecked, 25.9s Time] [2024-11-22 15:00:28,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-22 15:00:29,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1055. [2024-11-22 15:00:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 778 states have (on average 1.3971722365038561) internal successors, (1087), 812 states have internal predecessors, (1087), 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) [2024-11-22 15:00:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1539 transitions. [2024-11-22 15:00:29,060 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1539 transitions. Word has length 130 [2024-11-22 15:00:29,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:29,060 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1539 transitions. [2024-11-22 15:00:29,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 4 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-22 15:00:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1539 transitions. [2024-11-22 15:00:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-22 15:00:29,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:29,066 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:00:29,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 15:00:29,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:00:29,270 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:29,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:29,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1728264333, now seen corresponding path program 1 times [2024-11-22 15:00:29,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:29,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049492957] [2024-11-22 15:00:29,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:29,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 15:00:30,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:00:30,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049492957] [2024-11-22 15:00:30,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049492957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:00:30,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026300075] [2024-11-22 15:00:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:30,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:00:30,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:00:30,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:00:30,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 15:00:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:31,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 15:00:31,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:00:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 15:00:31,596 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:00:31,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026300075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:00:31,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:00:31,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-22 15:00:31,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690455397] [2024-11-22 15:00:31,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:00:31,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:00:31,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:00:31,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:00:31,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-22 15:00:31,598 INFO L87 Difference]: Start difference. First operand 1055 states and 1539 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:00:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:31,668 INFO L93 Difference]: Finished difference Result 2082 states and 3046 transitions. [2024-11-22 15:00:31,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:00:31,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2024-11-22 15:00:31,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:31,676 INFO L225 Difference]: With dead ends: 2082 [2024-11-22 15:00:31,677 INFO L226 Difference]: Without dead ends: 1055 [2024-11-22 15:00:31,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-22 15:00:31,681 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 2 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2987 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:31,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2987 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:00:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-22 15:00:31,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2024-11-22 15:00:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 778 states have (on average 1.3958868894601542) internal successors, (1086), 812 states have internal predecessors, (1086), 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) [2024-11-22 15:00:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1538 transitions. [2024-11-22 15:00:31,736 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1538 transitions. Word has length 140 [2024-11-22 15:00:31,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:31,737 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1538 transitions. [2024-11-22 15:00:31,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:00:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1538 transitions. [2024-11-22 15:00:31,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-22 15:00:31,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:31,742 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:00:31,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 15:00:31,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 15:00:31,944 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:31,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:31,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1914787114, now seen corresponding path program 1 times [2024-11-22 15:00:31,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:31,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378779471] [2024-11-22 15:00:31,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:31,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 15:00:33,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:00:33,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378779471] [2024-11-22 15:00:33,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378779471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:00:33,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475474277] [2024-11-22 15:00:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:33,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:00:33,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:00:33,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:00:33,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 15:00:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:34,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-22 15:00:34,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:00:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-22 15:00:34,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:00:34,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475474277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:00:34,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:00:34,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 9 [2024-11-22 15:00:34,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732573268] [2024-11-22 15:00:34,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:00:34,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 15:00:34,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:00:34,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 15:00:34,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 15:00:34,215 INFO L87 Difference]: Start difference. First operand 1055 states and 1538 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:00:34,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:34,470 INFO L93 Difference]: Finished difference Result 2080 states and 3051 transitions. [2024-11-22 15:00:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 15:00:34,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-11-22 15:00:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:34,480 INFO L225 Difference]: With dead ends: 2080 [2024-11-22 15:00:34,480 INFO L226 Difference]: Without dead ends: 1063 [2024-11-22 15:00:34,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-22 15:00:34,485 INFO L432 NwaCegarLoop]: 1498 mSDtfsCounter, 51 mSDsluCounter, 10439 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 11937 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:34,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 11937 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:00:34,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-22 15:00:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1057. [2024-11-22 15:00:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 779 states have (on average 1.3953786906290115) internal successors, (1087), 814 states have internal predecessors, (1087), 226 states have call successors, (226), 50 states have call predecessors, (226), 51 states have return successors, (227), 224 states have call predecessors, (227), 226 states have call successors, (227) [2024-11-22 15:00:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1540 transitions. [2024-11-22 15:00:34,544 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1540 transitions. Word has length 142 [2024-11-22 15:00:34,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:34,544 INFO L471 AbstractCegarLoop]: Abstraction has 1057 states and 1540 transitions. [2024-11-22 15:00:34,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 7 states have internal predecessors, (105), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:00:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1540 transitions. [2024-11-22 15:00:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-22 15:00:34,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:34,551 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:00:34,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 15:00:34,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:00:34,752 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:34,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1748245096, now seen corresponding path program 1 times [2024-11-22 15:00:34,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:34,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488402811] [2024-11-22 15:00:34,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:34,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 15:00:35,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:00:35,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488402811] [2024-11-22 15:00:35,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488402811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:00:35,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:00:35,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:00:35,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090178580] [2024-11-22 15:00:35,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:00:35,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:00:35,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:00:35,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:00:35,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:00:35,388 INFO L87 Difference]: Start difference. First operand 1057 states and 1540 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:00:35,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:35,519 INFO L93 Difference]: Finished difference Result 2061 states and 3021 transitions. [2024-11-22 15:00:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:00:35,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (15), 1 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 145 [2024-11-22 15:00:35,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:35,528 INFO L225 Difference]: With dead ends: 2061 [2024-11-22 15:00:35,528 INFO L226 Difference]: Without dead ends: 1059 [2024-11-22 15:00:35,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:00:35,532 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 0 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4466 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:35,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4466 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:00:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-11-22 15:00:35,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1059. [2024-11-22 15:00:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 781 states have (on average 1.3943661971830985) internal successors, (1089), 816 states have internal predecessors, (1089), 226 states have call successors, (226), 50 states have call predecessors, (226), 51 states have return successors, (227), 224 states have call predecessors, (227), 226 states have call successors, (227) [2024-11-22 15:00:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1542 transitions. [2024-11-22 15:00:35,596 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1542 transitions. Word has length 145 [2024-11-22 15:00:35,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:35,597 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1542 transitions. [2024-11-22 15:00:35,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:00:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1542 transitions. [2024-11-22 15:00:35,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 15:00:35,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:35,604 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:00:35,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 15:00:35,604 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:35,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:35,605 INFO L85 PathProgramCache]: Analyzing trace with hash -389860958, now seen corresponding path program 1 times [2024-11-22 15:00:35,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:35,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513257310] [2024-11-22 15:00:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:35,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 15:00:35,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:00:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513257310] [2024-11-22 15:00:35,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513257310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:00:35,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:00:35,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:00:35,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406497429] [2024-11-22 15:00:35,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:00:35,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:00:35,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:00:35,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:00:35,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:00:35,999 INFO L87 Difference]: Start difference. First operand 1059 states and 1542 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 15:00:36,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:36,092 INFO L93 Difference]: Finished difference Result 2065 states and 3026 transitions. [2024-11-22 15:00:36,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:00:36,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-22 15:00:36,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:36,100 INFO L225 Difference]: With dead ends: 2065 [2024-11-22 15:00:36,101 INFO L226 Difference]: Without dead ends: 1061 [2024-11-22 15:00:36,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:00:36,105 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 2 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2975 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:36,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2975 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:00:36,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2024-11-22 15:00:36,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2024-11-22 15:00:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 783 states have (on average 1.3933588761174969) internal successors, (1091), 818 states have internal predecessors, (1091), 226 states have call successors, (226), 50 states have call predecessors, (226), 51 states have return successors, (227), 224 states have call predecessors, (227), 226 states have call successors, (227) [2024-11-22 15:00:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1544 transitions. [2024-11-22 15:00:36,184 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1544 transitions. Word has length 153 [2024-11-22 15:00:36,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:36,185 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1544 transitions. [2024-11-22 15:00:36,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 15:00:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1544 transitions. [2024-11-22 15:00:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-22 15:00:36,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:36,190 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:00:36,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 15:00:36,191 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:36,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash 330521071, now seen corresponding path program 1 times [2024-11-22 15:00:36,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:36,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476012354] [2024-11-22 15:00:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:00:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:00:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 15:00:37,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:00:37,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476012354] [2024-11-22 15:00:37,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476012354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:00:37,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:00:37,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 15:00:37,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104858915] [2024-11-22 15:00:37,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:00:37,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 15:00:37,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:00:37,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 15:00:37,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 15:00:37,049 INFO L87 Difference]: Start difference. First operand 1061 states and 1544 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 15:00:37,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:00:37,181 INFO L93 Difference]: Finished difference Result 2073 states and 3036 transitions. [2024-11-22 15:00:37,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 15:00:37,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-22 15:00:37,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:00:37,196 INFO L225 Difference]: With dead ends: 2073 [2024-11-22 15:00:37,196 INFO L226 Difference]: Without dead ends: 1067 [2024-11-22 15:00:37,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 15:00:37,203 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 2 mSDsluCounter, 5961 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7456 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:00:37,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7456 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:00:37,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-22 15:00:37,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1066. [2024-11-22 15:00:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 787 states have (on average 1.3913595933926302) internal successors, (1095), 822 states have internal predecessors, (1095), 226 states have call successors, (226), 50 states have call predecessors, (226), 52 states have return successors, (231), 225 states have call predecessors, (231), 226 states have call successors, (231) [2024-11-22 15:00:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1552 transitions. [2024-11-22 15:00:37,267 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1552 transitions. Word has length 162 [2024-11-22 15:00:37,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:00:37,267 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1552 transitions. [2024-11-22 15:00:37,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 15:00:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1552 transitions. [2024-11-22 15:00:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 15:00:37,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:00:37,274 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:00:37,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 15:00:37,274 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:00:37,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:00:37,275 INFO L85 PathProgramCache]: Analyzing trace with hash -237072029, now seen corresponding path program 2 times [2024-11-22 15:00:37,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:00:37,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545083015] [2024-11-22 15:00:37,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 15:00:37,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:00:38,092 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 15:00:38,092 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat