./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:00:55,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:00:55,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:00:55,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:00:55,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:00:55,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:00:55,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:00:55,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:00:55,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:00:55,137 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:00:55,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:00:55,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:00:55,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:00:55,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:00:55,145 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:00:55,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:00:55,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:00:55,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:00:55,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:00:55,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:00:55,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:00:55,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:00:55,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:00:55,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:00:55,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:00:55,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:00:55,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:00:55,149 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:00:55,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:00:55,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:00:55,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:00:55,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:00:55,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:00:55,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:00:55,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:00:55,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:00:55,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:00:55,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:00:55,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:00:55,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 [2024-11-19 03:00:55,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:00:55,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:00:55,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:00:55,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:00:55,433 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:00:55,434 INFO L431 ainManager$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 [2024-11-19 03:00:56,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:00:57,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:00:57,363 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 [2024-11-19 03:00:57,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e46029d4/524a194cf0164e1cb39b79219f9f568e/FLAGa8c14ec5b [2024-11-19 03:00:57,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e46029d4/524a194cf0164e1cb39b79219f9f568e [2024-11-19 03:00:57,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:00:57,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:00:57,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:00:57,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:00:57,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:00:57,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:57" (1/1) ... [2024-11-19 03:00:57,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e7a198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:57, skipping insertion in model container [2024-11-19 03:00:57,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:57" (1/1) ... [2024-11-19 03:00:57,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:00:58,775 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] [2024-11-19 03:00:58,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:00:58,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:00:58,920 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] [2024-11-19 03:00:58,925 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] [2024-11-19 03:00:58,926 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] [2024-11-19 03:00:58,926 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] [2024-11-19 03:00:58,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4750] [2024-11-19 03:00:58,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4753] [2024-11-19 03:00:58,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4756] [2024-11-19 03:00:58,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4759] [2024-11-19 03:00:58,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5123] [2024-11-19 03:00:58,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5127] [2024-11-19 03:00:58,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5131] [2024-11-19 03:00:58,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5135] [2024-11-19 03:00:58,953 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] [2024-11-19 03:00:58,953 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] [2024-11-19 03:00:58,954 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] [2024-11-19 03:00:58,954 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] [2024-11-19 03:00:58,955 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] [2024-11-19 03:00:58,955 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] [2024-11-19 03:00:58,956 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] [2024-11-19 03:00:58,956 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] [2024-11-19 03:00:58,956 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] [2024-11-19 03:00:58,957 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] [2024-11-19 03:00:58,957 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] [2024-11-19 03:00:58,957 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] [2024-11-19 03:00:58,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5254] [2024-11-19 03:00:58,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5258] [2024-11-19 03:00:58,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5262] [2024-11-19 03:00:58,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5266] [2024-11-19 03:00:58,961 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] [2024-11-19 03:00:58,961 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] [2024-11-19 03:00:58,961 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] [2024-11-19 03:00:58,962 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] [2024-11-19 03:00:58,962 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] [2024-11-19 03:00:58,962 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] [2024-11-19 03:00:58,963 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] [2024-11-19 03:00:58,963 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] [2024-11-19 03:00:58,964 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] [2024-11-19 03:00:58,964 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] [2024-11-19 03:00:58,964 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] [2024-11-19 03:00:58,965 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] [2024-11-19 03:00:58,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5409] [2024-11-19 03:00:58,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5413] [2024-11-19 03:00:58,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5417] [2024-11-19 03:00:58,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5421] [2024-11-19 03:00:58,972 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] [2024-11-19 03:00:58,972 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] [2024-11-19 03:00:58,972 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] [2024-11-19 03:00:58,973 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] [2024-11-19 03:00:58,973 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] [2024-11-19 03:00:58,973 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] [2024-11-19 03:00:58,973 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] [2024-11-19 03:00:58,974 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] [2024-11-19 03:00:59,148 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] [2024-11-19 03:00:59,154 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] [2024-11-19 03:00:59,155 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] [2024-11-19 03:00:59,155 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] [2024-11-19 03:00:59,157 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] [2024-11-19 03:00:59,158 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] [2024-11-19 03:00:59,159 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] [2024-11-19 03:00:59,159 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] [2024-11-19 03:00:59,159 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] [2024-11-19 03:00:59,163 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] [2024-11-19 03:00:59,165 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] [2024-11-19 03:00:59,165 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] [2024-11-19 03:00:59,165 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] [2024-11-19 03:00:59,165 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] [2024-11-19 03:00:59,165 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] [2024-11-19 03:00:59,167 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] [2024-11-19 03:00:59,167 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] [2024-11-19 03:00:59,167 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] [2024-11-19 03:00:59,172 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] [2024-11-19 03:00:59,173 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] [2024-11-19 03:00:59,176 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] [2024-11-19 03:00:59,177 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] [2024-11-19 03:00:59,177 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] [2024-11-19 03:00:59,177 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] [2024-11-19 03:00:59,177 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] [2024-11-19 03:00:59,180 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] [2024-11-19 03:00:59,183 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] [2024-11-19 03:00:59,183 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] [2024-11-19 03:00:59,183 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] [2024-11-19 03:00:59,183 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] [2024-11-19 03:00:59,216 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] [2024-11-19 03:00:59,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:00:59,361 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:00:59,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59 WrapperNode [2024-11-19 03:00:59,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:00:59,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:00:59,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:00:59,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:00:59,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:00:59,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:00:59,564 INFO L138 Inliner]: procedures = 156, calls = 823, calls flagged for inlining = 81, calls inlined = 80, statements flattened = 3052 [2024-11-19 03:00:59,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:00:59,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:00:59,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:00:59,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:00:59,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:00:59,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:00:59,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,019 INFO L175 MemorySlicer]: Split 420 memory accesses to 11 slices as follows [2, 2, 4, 1, 1, 12, 36, 22, 1, 336, 3]. 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, 1, 1, 0, 12, 36, 22, 0, 105, 0]. [2024-11-19 03:01:00,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:01:00,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:01:00,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:01:00,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:01:00,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2024-11-19 03:01:00,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:01:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:01:00,269 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) [2024-11-19 03:01:00,278 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 [2024-11-19 03:01:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:01:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:01:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:01:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:01:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:01:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:01:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:01:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:01:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:01:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:01:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:01:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-19 03:01:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-19 03:01:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:01:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:01:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:01:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:01:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:01:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:01:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:01:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:01:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:01:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:01:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:01:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:01:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:01:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:01:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:01:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:01:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:01:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:01:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:01:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:01:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:01:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:01:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:01:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:01:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:01:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-19 03:01:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-19 03:01:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-19 03:01:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-19 03:01:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-19 03:01:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:01:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:01:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:01:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:01:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:01:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:01:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-19 03:01:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:01:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 03:01:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2024-11-19 03:01:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2024-11-19 03:01:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-19 03:01:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-19 03:01:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:01:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:01:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-19 03:01:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-19 03:01:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:01:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:01:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:01:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:01:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-19 03:01:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-19 03:01:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-19 03:01:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-19 03:01:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 03:01:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 03:01:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:01:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:01:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 03:01:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 03:01:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-19 03:01:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-19 03:01:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:01:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-19 03:01:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-19 03:01:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-19 03:01:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-19 03:01:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:01:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 03:01:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 03:01:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-19 03:01:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-19 03:01:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:01:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-19 03:01:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-19 03:01:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-19 03:01:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-19 03:01:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-19 03:01:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:01:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 03:01:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 03:01:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-19 03:01:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-19 03:01:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 03:01:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 03:01:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-19 03:01:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-19 03:01:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:01:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:01:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:01:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:01:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:01:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:01:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:01:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-19 03:01:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-19 03:01:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-19 03:01:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-19 03:01:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-19 03:01:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-19 03:01:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:01:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:01:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:01:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:01:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:01:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:01:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-19 03:01:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-19 03:01:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-19 03:01:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-19 03:01:00,844 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:01:00,849 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:01:07,858 INFO L? ?]: Removed 1468 outVars from TransFormulas that were not future-live. [2024-11-19 03:01:07,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:01:07,909 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:01:07,913 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 03:01:07,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:07 BoogieIcfgContainer [2024-11-19 03:01:07,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:01:07,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:01:07,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:01:07,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:01:07,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:00:57" (1/3) ... [2024-11-19 03:01:07,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a81251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:07, skipping insertion in model container [2024-11-19 03:01:07,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (2/3) ... [2024-11-19 03:01:07,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a81251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:07, skipping insertion in model container [2024-11-19 03:01:07,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:07" (3/3) ... [2024-11-19 03:01:07,924 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-19 03:01:07,941 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:01:07,941 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:01:08,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:01:08,060 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;@4fba290, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:01:08,061 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:01:08,071 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) [2024-11-19 03:01:08,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 03:01:08,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:08,090 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] [2024-11-19 03:01:08,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:08,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:08,096 INFO L85 PathProgramCache]: Analyzing trace with hash 625661202, now seen corresponding path program 1 times [2024-11-19 03:01:08,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:08,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564944762] [2024-11-19 03:01:08,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:08,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 03:01:09,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:09,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564944762] [2024-11-19 03:01:09,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564944762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:09,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:09,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:01:09,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83938975] [2024-11-19 03:01:09,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:09,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:01:09,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:09,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:01:09,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:01:09,232 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) [2024-11-19 03:01:09,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:09,448 INFO L93 Difference]: Finished difference Result 2118 states and 3168 transitions. [2024-11-19 03:01:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:01:09,451 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 [2024-11-19 03:01:09,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:09,482 INFO L225 Difference]: With dead ends: 2118 [2024-11-19 03:01:09,482 INFO L226 Difference]: Without dead ends: 1018 [2024-11-19 03:01:09,490 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 [2024-11-19 03:01:09,493 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 [2024-11-19 03:01:09,494 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] [2024-11-19 03:01:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2024-11-19 03:01:09,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1018. [2024-11-19 03:01:09,643 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) [2024-11-19 03:01:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1506 transitions. [2024-11-19 03:01:09,658 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1506 transitions. Word has length 78 [2024-11-19 03:01:09,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:09,659 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1506 transitions. [2024-11-19 03:01:09,660 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) [2024-11-19 03:01:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1506 transitions. [2024-11-19 03:01:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 03:01:09,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:09,669 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] [2024-11-19 03:01:09,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:01:09,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:09,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:09,671 INFO L85 PathProgramCache]: Analyzing trace with hash 827485136, now seen corresponding path program 1 times [2024-11-19 03:01:09,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:09,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575590933] [2024-11-19 03:01:09,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:09,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 03:01:10,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:10,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575590933] [2024-11-19 03:01:10,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575590933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:10,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:10,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:01:10,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758006845] [2024-11-19 03:01:10,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:10,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:01:10,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:10,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:01:10,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:01:10,529 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) [2024-11-19 03:01:10,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:10,630 INFO L93 Difference]: Finished difference Result 1022 states and 1510 transitions. [2024-11-19 03:01:10,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:01:10,631 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 [2024-11-19 03:01:10,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:10,644 INFO L225 Difference]: With dead ends: 1022 [2024-11-19 03:01:10,644 INFO L226 Difference]: Without dead ends: 1020 [2024-11-19 03:01:10,645 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 [2024-11-19 03:01:10,647 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 [2024-11-19 03:01:10,647 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] [2024-11-19 03:01:10,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-19 03:01:10,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2024-11-19 03:01:10,696 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) [2024-11-19 03:01:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1508 transitions. [2024-11-19 03:01:10,703 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1508 transitions. Word has length 78 [2024-11-19 03:01:10,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:10,704 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1508 transitions. [2024-11-19 03:01:10,704 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) [2024-11-19 03:01:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1508 transitions. [2024-11-19 03:01:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 03:01:10,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:10,711 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] [2024-11-19 03:01:10,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:01:10,711 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:10,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:10,712 INFO L85 PathProgramCache]: Analyzing trace with hash 781579112, now seen corresponding path program 1 times [2024-11-19 03:01:10,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:10,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031598992] [2024-11-19 03:01:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 03:01:11,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:11,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031598992] [2024-11-19 03:01:11,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031598992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:11,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:11,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:01:11,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773463664] [2024-11-19 03:01:11,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:11,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:01:11,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:01:11,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:01:11,320 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) [2024-11-19 03:01:15,337 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 [] [2024-11-19 03:01:16,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:16,269 INFO L93 Difference]: Finished difference Result 2019 states and 2989 transitions. [2024-11-19 03:01:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:01:16,269 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 [2024-11-19 03:01:16,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:16,277 INFO L225 Difference]: With dead ends: 2019 [2024-11-19 03:01:16,278 INFO L226 Difference]: Without dead ends: 1031 [2024-11-19 03:01:16,281 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 [2024-11-19 03:01:16,284 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 1475 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 03:01:16,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 2540 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 03:01:16,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-19 03:01:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1021. [2024-11-19 03:01:16,376 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) [2024-11-19 03:01:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1509 transitions. [2024-11-19 03:01:16,383 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1509 transitions. Word has length 88 [2024-11-19 03:01:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:16,384 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1509 transitions. [2024-11-19 03:01:16,384 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) [2024-11-19 03:01:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1509 transitions. [2024-11-19 03:01:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 03:01:16,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:16,387 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] [2024-11-19 03:01:16,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:01:16,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:16,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1580967689, now seen corresponding path program 1 times [2024-11-19 03:01:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:16,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915478660] [2024-11-19 03:01:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:16,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 03:01:17,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:17,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915478660] [2024-11-19 03:01:17,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915478660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:17,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:17,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:01:17,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490695825] [2024-11-19 03:01:17,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:17,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:01:17,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:01:17,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:01:17,030 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) [2024-11-19 03:01:17,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:17,139 INFO L93 Difference]: Finished difference Result 1038 states and 1532 transitions. [2024-11-19 03:01:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:01:17,140 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 [2024-11-19 03:01:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:17,147 INFO L225 Difference]: With dead ends: 1038 [2024-11-19 03:01:17,147 INFO L226 Difference]: Without dead ends: 1036 [2024-11-19 03:01:17,149 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 [2024-11-19 03:01:17,149 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 [2024-11-19 03:01:17,150 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] [2024-11-19 03:01:17,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-19 03:01:17,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1023. [2024-11-19 03:01:17,188 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) [2024-11-19 03:01:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1512 transitions. [2024-11-19 03:01:17,196 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1512 transitions. Word has length 90 [2024-11-19 03:01:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:17,197 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1512 transitions. [2024-11-19 03:01:17,197 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) [2024-11-19 03:01:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1512 transitions. [2024-11-19 03:01:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 03:01:17,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:17,203 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] [2024-11-19 03:01:17,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:01:17,204 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:17,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:17,204 INFO L85 PathProgramCache]: Analyzing trace with hash 827046205, now seen corresponding path program 1 times [2024-11-19 03:01:17,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:17,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711982142] [2024-11-19 03:01:17,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:17,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 03:01:17,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:17,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711982142] [2024-11-19 03:01:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711982142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:17,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:17,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:01:17,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134621779] [2024-11-19 03:01:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:17,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:01:17,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:01:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:01:17,694 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) [2024-11-19 03:01:21,708 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 [] [2024-11-19 03:01:21,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:21,906 INFO L93 Difference]: Finished difference Result 2978 states and 4408 transitions. [2024-11-19 03:01:21,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:01:21,907 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 [2024-11-19 03:01:21,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:21,920 INFO L225 Difference]: With dead ends: 2978 [2024-11-19 03:01:21,920 INFO L226 Difference]: Without dead ends: 1987 [2024-11-19 03:01:21,925 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 [2024-11-19 03:01:21,926 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 [2024-11-19 03:01:21,926 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] [2024-11-19 03:01:21,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2024-11-19 03:01:22,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1985. [2024-11-19 03:01:22,042 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) [2024-11-19 03:01:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2938 transitions. [2024-11-19 03:01:22,057 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2938 transitions. Word has length 122 [2024-11-19 03:01:22,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:22,058 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 2938 transitions. [2024-11-19 03:01:22,058 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) [2024-11-19 03:01:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2938 transitions. [2024-11-19 03:01:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 03:01:22,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:22,068 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] [2024-11-19 03:01:22,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:01:22,069 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:22,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:22,069 INFO L85 PathProgramCache]: Analyzing trace with hash -366243905, now seen corresponding path program 1 times [2024-11-19 03:01:22,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:22,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265701682] [2024-11-19 03:01:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:22,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-19 03:01:22,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:22,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265701682] [2024-11-19 03:01:22,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265701682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:22,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:22,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:01:22,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668932360] [2024-11-19 03:01:22,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:22,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:01:22,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:22,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:01:22,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:01:22,636 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) [2024-11-19 03:01:22,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:22,797 INFO L93 Difference]: Finished difference Result 2999 states and 4426 transitions. [2024-11-19 03:01:22,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:01:22,798 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 [2024-11-19 03:01:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:22,806 INFO L225 Difference]: With dead ends: 2999 [2024-11-19 03:01:22,806 INFO L226 Difference]: Without dead ends: 1044 [2024-11-19 03:01:22,813 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 [2024-11-19 03:01:22,815 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 [2024-11-19 03:01:22,816 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] [2024-11-19 03:01:22,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-19 03:01:22,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-19 03:01:22,884 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) [2024-11-19 03:01:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1528 transitions. [2024-11-19 03:01:22,891 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1528 transitions. Word has length 124 [2024-11-19 03:01:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:22,892 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1528 transitions. [2024-11-19 03:01:22,892 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) [2024-11-19 03:01:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1528 transitions. [2024-11-19 03:01:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 03:01:22,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:22,897 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] [2024-11-19 03:01:22,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:01:22,899 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:22,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:22,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1884630537, now seen corresponding path program 1 times [2024-11-19 03:01:22,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:22,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530518513] [2024-11-19 03:01:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:22,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 03:01:23,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:23,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530518513] [2024-11-19 03:01:23,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530518513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:23,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:23,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:01:23,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92097115] [2024-11-19 03:01:23,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:23,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:01:23,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:23,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:01:23,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:01:23,512 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) [2024-11-19 03:01:27,526 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 [] [2024-11-19 03:01:28,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:28,506 INFO L93 Difference]: Finished difference Result 2062 states and 3036 transitions. [2024-11-19 03:01:28,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:01:28,507 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 [2024-11-19 03:01:28,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:28,515 INFO L225 Difference]: With dead ends: 2062 [2024-11-19 03:01:28,515 INFO L226 Difference]: Without dead ends: 1071 [2024-11-19 03:01:28,519 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 [2024-11-19 03:01:28,520 INFO L432 NwaCegarLoop]: 1494 mSDtfsCounter, 1495 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 03:01:28,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 2532 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 03:01:28,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-11-19 03:01:28,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1048. [2024-11-19 03:01:28,642 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) [2024-11-19 03:01:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1533 transitions. [2024-11-19 03:01:28,650 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1533 transitions. Word has length 124 [2024-11-19 03:01:28,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:28,651 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1533 transitions. [2024-11-19 03:01:28,651 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) [2024-11-19 03:01:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1533 transitions. [2024-11-19 03:01:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-19 03:01:28,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:28,657 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] [2024-11-19 03:01:28,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:01:28,657 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:28,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:28,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1506823180, now seen corresponding path program 1 times [2024-11-19 03:01:28,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:28,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775422513] [2024-11-19 03:01:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-19 03:01:29,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:29,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775422513] [2024-11-19 03:01:29,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775422513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:01:29,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:01:29,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:01:29,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287082382] [2024-11-19 03:01:29,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:01:29,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:01:29,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:29,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:01:29,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:01:29,207 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) [2024-11-19 03:01:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:29,275 INFO L93 Difference]: Finished difference Result 2043 states and 3013 transitions. [2024-11-19 03:01:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:01:29,276 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 [2024-11-19 03:01:29,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:29,282 INFO L225 Difference]: With dead ends: 2043 [2024-11-19 03:01:29,282 INFO L226 Difference]: Without dead ends: 1048 [2024-11-19 03:01:29,286 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 [2024-11-19 03:01:29,286 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 [2024-11-19 03:01:29,287 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] [2024-11-19 03:01:29,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-11-19 03:01:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1048. [2024-11-19 03:01:29,341 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) [2024-11-19 03:01:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1530 transitions. [2024-11-19 03:01:29,348 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1530 transitions. Word has length 127 [2024-11-19 03:01:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:29,348 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1530 transitions. [2024-11-19 03:01:29,349 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) [2024-11-19 03:01:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1530 transitions. [2024-11-19 03:01:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 03:01:29,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:29,354 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] [2024-11-19 03:01:29,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:01:29,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:29,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:29,355 INFO L85 PathProgramCache]: Analyzing trace with hash -150139687, now seen corresponding path program 1 times [2024-11-19 03:01:29,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:29,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430251303] [2024-11-19 03:01:29,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:29,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 03:01:29,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:29,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430251303] [2024-11-19 03:01:29,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430251303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:01:29,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361810858] [2024-11-19 03:01:29,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:29,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:01:29,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:01:29,942 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) [2024-11-19 03:01:29,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:01:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:30,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 03:01:30,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:01:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 03:01:31,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:01:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 03:01:31,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361810858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:01:31,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:01:31,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2024-11-19 03:01:31,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646238758] [2024-11-19 03:01:31,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:01:31,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 03:01:31,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:01:31,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 03:01:31,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:01:31,544 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) [2024-11-19 03:01:35,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:01:39,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:01:43,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:01:47,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:01:51,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:01:55,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:01:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:01:57,715 INFO L93 Difference]: Finished difference Result 2123 states and 3120 transitions. [2024-11-19 03:01:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:01:57,716 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 [2024-11-19 03:01:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:01:57,726 INFO L225 Difference]: With dead ends: 2123 [2024-11-19 03:01:57,726 INFO L226 Difference]: Without dead ends: 1128 [2024-11-19 03:01:57,731 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 [2024-11-19 03:01:57,734 INFO L432 NwaCegarLoop]: 1488 mSDtfsCounter, 1645 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 58 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s 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 [2024-11-19 03:01:57,734 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] [2024-11-19 03:01:57,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-19 03:01:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1055. [2024-11-19 03:01:57,795 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) [2024-11-19 03:01:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1539 transitions. [2024-11-19 03:01:57,802 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1539 transitions. Word has length 130 [2024-11-19 03:01:57,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:01:57,803 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1539 transitions. [2024-11-19 03:01:57,803 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) [2024-11-19 03:01:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1539 transitions. [2024-11-19 03:01:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-19 03:01:57,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:01:57,808 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] [2024-11-19 03:01:57,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 03:01:58,012 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 [2024-11-19 03:01:58,013 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:01:58,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:01:58,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1728264333, now seen corresponding path program 1 times [2024-11-19 03:01:58,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:01:58,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735927848] [2024-11-19 03:01:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:01:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:01:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 03:01:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:01:59,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735927848] [2024-11-19 03:01:59,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735927848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:01:59,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129048284] [2024-11-19 03:01:59,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:01:59,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:01:59,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:01:59,516 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) [2024-11-19 03:01:59,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:02:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:02:00,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 03:02:00,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:02:00,741 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 03:02:00,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:02:00,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129048284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:02:00,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:02:00,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 03:02:00,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693280970] [2024-11-19 03:02:00,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:02:00,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:02:00,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:02:00,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:02:00,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:02:00,745 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) [2024-11-19 03:02:00,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:02:00,841 INFO L93 Difference]: Finished difference Result 2082 states and 3046 transitions. [2024-11-19 03:02:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:02:00,841 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 [2024-11-19 03:02:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:02:00,850 INFO L225 Difference]: With dead ends: 2082 [2024-11-19 03:02:00,851 INFO L226 Difference]: Without dead ends: 1055 [2024-11-19 03:02:00,855 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 [2024-11-19 03:02:00,856 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 [2024-11-19 03:02:00,857 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] [2024-11-19 03:02:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-19 03:02:00,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2024-11-19 03:02:00,930 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) [2024-11-19 03:02:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1538 transitions. [2024-11-19 03:02:00,937 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1538 transitions. Word has length 140 [2024-11-19 03:02:00,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:02:00,938 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1538 transitions. [2024-11-19 03:02:00,938 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) [2024-11-19 03:02:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1538 transitions. [2024-11-19 03:02:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 03:02:00,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:02:00,944 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] [2024-11-19 03:02:00,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 03:02:01,144 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 [2024-11-19 03:02:01,145 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:02:01,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:02:01,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1914787114, now seen corresponding path program 1 times [2024-11-19 03:02:01,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:02:01,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136250204] [2024-11-19 03:02:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:02:01,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:02:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:02:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 03:02:02,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:02:02,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136250204] [2024-11-19 03:02:02,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136250204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:02:02,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682907585] [2024-11-19 03:02:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:02:02,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:02:02,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:02:02,419 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) [2024-11-19 03:02:02,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 03:02:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:02:03,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-19 03:02:03,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:02:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-19 03:02:03,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:02:03,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682907585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:02:03,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:02:03,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 9 [2024-11-19 03:02:03,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126200939] [2024-11-19 03:02:03,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:02:03,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 03:02:03,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:02:03,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 03:02:03,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 03:02:03,625 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) [2024-11-19 03:02:03,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:02:03,910 INFO L93 Difference]: Finished difference Result 2080 states and 3051 transitions. [2024-11-19 03:02:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 03:02:03,911 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 [2024-11-19 03:02:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:02:03,919 INFO L225 Difference]: With dead ends: 2080 [2024-11-19 03:02:03,919 INFO L226 Difference]: Without dead ends: 1063 [2024-11-19 03:02:03,924 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 [2024-11-19 03:02:03,925 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 [2024-11-19 03:02:03,925 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] [2024-11-19 03:02:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-19 03:02:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1057. [2024-11-19 03:02:03,982 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) [2024-11-19 03:02:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1540 transitions. [2024-11-19 03:02:03,990 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1540 transitions. Word has length 142 [2024-11-19 03:02:03,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:02:03,991 INFO L471 AbstractCegarLoop]: Abstraction has 1057 states and 1540 transitions. [2024-11-19 03:02:03,991 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) [2024-11-19 03:02:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1540 transitions. [2024-11-19 03:02:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-19 03:02:03,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:02:03,997 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] [2024-11-19 03:02:04,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 03:02:04,197 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 [2024-11-19 03:02:04,198 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:02:04,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:02:04,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1748245096, now seen corresponding path program 1 times [2024-11-19 03:02:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:02:04,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86533856] [2024-11-19 03:02:04,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:02:04,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:02:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:02:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 03:02:04,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:02:04,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86533856] [2024-11-19 03:02:04,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86533856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:02:04,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:02:04,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:02:04,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843393530] [2024-11-19 03:02:04,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:02:04,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:02:04,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:02:04,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:02:04,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:02:04,985 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) [2024-11-19 03:02:05,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:02:05,130 INFO L93 Difference]: Finished difference Result 2061 states and 3021 transitions. [2024-11-19 03:02:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:02:05,131 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 [2024-11-19 03:02:05,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:02:05,138 INFO L225 Difference]: With dead ends: 2061 [2024-11-19 03:02:05,139 INFO L226 Difference]: Without dead ends: 1059 [2024-11-19 03:02:05,143 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 [2024-11-19 03:02:05,144 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 [2024-11-19 03:02:05,144 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] [2024-11-19 03:02:05,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-11-19 03:02:05,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1059. [2024-11-19 03:02:05,200 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) [2024-11-19 03:02:05,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1542 transitions. [2024-11-19 03:02:05,207 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1542 transitions. Word has length 145 [2024-11-19 03:02:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:02:05,208 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1542 transitions. [2024-11-19 03:02:05,208 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) [2024-11-19 03:02:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1542 transitions. [2024-11-19 03:02:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-19 03:02:05,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:02:05,213 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] [2024-11-19 03:02:05,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:02:05,214 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:02:05,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:02:05,214 INFO L85 PathProgramCache]: Analyzing trace with hash -389860958, now seen corresponding path program 1 times [2024-11-19 03:02:05,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:02:05,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962156375] [2024-11-19 03:02:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:02:05,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:02:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:02:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 03:02:05,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:02:05,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962156375] [2024-11-19 03:02:05,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962156375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:02:05,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:02:05,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:02:05,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083636247] [2024-11-19 03:02:05,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:02:05,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:02:05,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:02:05,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:02:05,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:02:05,691 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) [2024-11-19 03:02:05,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:02:05,796 INFO L93 Difference]: Finished difference Result 2065 states and 3026 transitions. [2024-11-19 03:02:05,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:02:05,797 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 [2024-11-19 03:02:05,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:02:05,808 INFO L225 Difference]: With dead ends: 2065 [2024-11-19 03:02:05,808 INFO L226 Difference]: Without dead ends: 1061 [2024-11-19 03:02:05,812 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 [2024-11-19 03:02:05,813 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 [2024-11-19 03:02:05,813 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] [2024-11-19 03:02:05,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2024-11-19 03:02:05,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2024-11-19 03:02:05,872 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) [2024-11-19 03:02:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1544 transitions. [2024-11-19 03:02:05,883 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1544 transitions. Word has length 153 [2024-11-19 03:02:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:02:05,884 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1544 transitions. [2024-11-19 03:02:05,884 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) [2024-11-19 03:02:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1544 transitions. [2024-11-19 03:02:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 03:02:05,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:02:05,894 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] [2024-11-19 03:02:05,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 03:02:05,897 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:02:05,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:02:05,898 INFO L85 PathProgramCache]: Analyzing trace with hash 330521071, now seen corresponding path program 1 times [2024-11-19 03:02:05,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:02:05,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141627809] [2024-11-19 03:02:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:02:05,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:02:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:02:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 03:02:06,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:02:06,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141627809] [2024-11-19 03:02:06,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141627809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:02:06,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:02:06,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:02:06,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777916079] [2024-11-19 03:02:06,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:02:06,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:02:06,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:02:06,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:02:06,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:02:06,886 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) [2024-11-19 03:02:07,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:02:07,033 INFO L93 Difference]: Finished difference Result 2073 states and 3036 transitions. [2024-11-19 03:02:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:02:07,034 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 [2024-11-19 03:02:07,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:02:07,043 INFO L225 Difference]: With dead ends: 2073 [2024-11-19 03:02:07,044 INFO L226 Difference]: Without dead ends: 1067 [2024-11-19 03:02:07,049 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 [2024-11-19 03:02:07,049 INFO L432 NwaCegarLoop]: 1495 mSDtfsCounter, 2 mSDsluCounter, 5961 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-19 03:02:07,050 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] [2024-11-19 03:02:07,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-19 03:02:07,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1066. [2024-11-19 03:02:07,109 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) [2024-11-19 03:02:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1552 transitions. [2024-11-19 03:02:07,117 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1552 transitions. Word has length 162 [2024-11-19 03:02:07,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:02:07,118 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1552 transitions. [2024-11-19 03:02:07,119 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) [2024-11-19 03:02:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1552 transitions. [2024-11-19 03:02:07,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-19 03:02:07,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:02:07,125 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] [2024-11-19 03:02:07,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 03:02:07,126 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:02:07,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:02:07,126 INFO L85 PathProgramCache]: Analyzing trace with hash -237072029, now seen corresponding path program 2 times [2024-11-19 03:02:07,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:02:07,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95689814] [2024-11-19 03:02:07,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:02:07,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:02:08,231 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 03:02:08,231 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat