./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.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-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.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 0992725f389f0adb842356ba35094ebe66d38080cd0511ed76d42d3b12708c0b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:27:33,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:27:33,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:27:33,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:27:33,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:27:33,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:27:33,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:27:33,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:27:33,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:27:33,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:27:33,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:27:33,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:27:33,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:27:33,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:27:33,859 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:27:33,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:27:33,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:27:33,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:27:33,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:27:33,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:27:33,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:27:33,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:27:33,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:27:33,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:27:33,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:27:33,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:27:33,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:27:33,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:27:33,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:27:33,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:27:33,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:27:33,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:27:33,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:27:33,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:27:33,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:27:33,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:27:33,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:27:33,867 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:27:33,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:27:33,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0992725f389f0adb842356ba35094ebe66d38080cd0511ed76d42d3b12708c0b [2024-11-19 03:27:34,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:27:34,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:27:34,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:27:34,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:27:34,216 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:27:34,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2024-11-19 03:27:35,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:27:36,183 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:27:36,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2024-11-19 03:27:36,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca0decfb2/642ba242207c4cc0b056d90aefba40f1/FLAG6933ccb70 [2024-11-19 03:27:36,267 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca0decfb2/642ba242207c4cc0b056d90aefba40f1 [2024-11-19 03:27:36,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:27:36,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:27:36,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:27:36,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:27:36,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:27:36,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:36" (1/1) ... [2024-11-19 03:27:36,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d56e224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:36, skipping insertion in model container [2024-11-19 03:27:36,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:36" (1/1) ... [2024-11-19 03:27:36,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:27:37,029 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-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2024-11-19 03:27:37,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:27:37,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:27:37,869 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"); [4690] [2024-11-19 03:27:37,871 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)); [4697] [2024-11-19 03:27:37,872 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"); [4705-4706] [2024-11-19 03:27:37,872 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"); [4714-4715] [2024-11-19 03:27:37,877 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-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2024-11-19 03:27:37,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4838] [2024-11-19 03:27:37,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4841] [2024-11-19 03:27:37,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4844] [2024-11-19 03:27:37,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4847] [2024-11-19 03:27:37,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5229] [2024-11-19 03:27:37,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5233] [2024-11-19 03:27:37,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5237] [2024-11-19 03:27:37,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5241] [2024-11-19 03:27:37,912 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"); [5252] [2024-11-19 03:27:37,912 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"); [5256] [2024-11-19 03:27:37,913 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"); [5260] [2024-11-19 03:27:37,914 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"); [5264] [2024-11-19 03:27:37,914 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"); [5275] [2024-11-19 03:27:37,914 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"); [5279] [2024-11-19 03:27:37,915 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"); [5283] [2024-11-19 03:27:37,915 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"); [5287] [2024-11-19 03:27:37,916 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"); [5298] [2024-11-19 03:27:37,919 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"); [5302] [2024-11-19 03:27:37,919 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"); [5306] [2024-11-19 03:27:37,920 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"); [5310] [2024-11-19 03:27:37,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5360] [2024-11-19 03:27:37,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5364] [2024-11-19 03:27:37,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5368] [2024-11-19 03:27:37,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5372] [2024-11-19 03:27:37,923 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"); [5383] [2024-11-19 03:27:37,923 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"); [5387] [2024-11-19 03:27:37,925 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"); [5391] [2024-11-19 03:27:37,926 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"); [5395] [2024-11-19 03:27:37,926 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"); [5406] [2024-11-19 03:27:37,926 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"); [5410] [2024-11-19 03:27:37,927 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"); [5414] [2024-11-19 03:27:37,927 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"); [5418] [2024-11-19 03:27:37,928 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"); [5429] [2024-11-19 03:27:37,929 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"); [5433] [2024-11-19 03:27:37,929 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"); [5437] [2024-11-19 03:27:37,930 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"); [5441] [2024-11-19 03:27:37,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5515] [2024-11-19 03:27:37,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5519] [2024-11-19 03:27:37,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5523] [2024-11-19 03:27:37,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5527] [2024-11-19 03:27:37,938 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"); [5538] [2024-11-19 03:27:37,938 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"); [5542] [2024-11-19 03:27:37,938 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"); [5546] [2024-11-19 03:27:37,938 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"); [5550] [2024-11-19 03:27:37,939 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"); [5561] [2024-11-19 03:27:37,939 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"); [5565] [2024-11-19 03:27:37,941 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"); [5569] [2024-11-19 03:27:37,941 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"); [5573] [2024-11-19 03:27:38,032 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"); [6512] [2024-11-19 03:27:38,033 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"); [6515] [2024-11-19 03:27:38,033 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"); [6518] [2024-11-19 03:27:38,033 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"); [6521] [2024-11-19 03:27:38,034 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"); [6524] [2024-11-19 03:27:38,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6537] [2024-11-19 03:27:38,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6540] [2024-11-19 03:27:38,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6543] [2024-11-19 03:27:38,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6546] [2024-11-19 03:27:38,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6549] [2024-11-19 03:27:38,036 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)); [6571] [2024-11-19 03:27:38,038 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)); [6574] [2024-11-19 03:27:38,039 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)); [6577] [2024-11-19 03:27:38,041 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)); [6580] [2024-11-19 03:27:38,041 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)); [6583] [2024-11-19 03:27:38,043 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"); [6616-6617] [2024-11-19 03:27:38,044 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"); [6620-6621] [2024-11-19 03:27:38,044 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"); [6624-6625] [2024-11-19 03:27:38,045 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"); [6628-6629] [2024-11-19 03:27:38,046 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"); [6632-6633] [2024-11-19 03:27:38,047 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)); [6646] [2024-11-19 03:27:38,047 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)); [6649] [2024-11-19 03:27:38,047 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)); [6652] [2024-11-19 03:27:38,048 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)); [6655] [2024-11-19 03:27:38,048 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)); [6658] [2024-11-19 03:27:38,050 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"); [6691-6692] [2024-11-19 03:27:38,050 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"); [6695-6696] [2024-11-19 03:27:38,051 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"); [6699-6700] [2024-11-19 03:27:38,051 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"); [6703-6704] [2024-11-19 03:27:38,052 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"); [6707-6708] [2024-11-19 03:27:38,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:27:38,292 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:27:38,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38 WrapperNode [2024-11-19 03:27:38,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:27:38,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:27:38,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:27:38,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:27:38,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:38,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:38,525 INFO L138 Inliner]: procedures = 183, calls = 839, calls flagged for inlining = 93, calls inlined = 91, statements flattened = 3460 [2024-11-19 03:27:38,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:27:38,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:27:38,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:27:38,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:27:38,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:38,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:38,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,105 INFO L175 MemorySlicer]: Split 418 memory accesses to 9 slices as follows [2, 1, 1, 3, 36, 2, 22, 4, 347]. 83 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 5]. The 180 writes are split as follows [0, 1, 0, 0, 36, 0, 22, 1, 120]. [2024-11-19 03:27:39,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:27:39,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:27:39,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:27:39,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:27:39,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (1/1) ... [2024-11-19 03:27:39,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:27:39,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:27:39,405 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 03:27:39,413 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 03:27:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-11-19 03:27:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-11-19 03:27:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2024-11-19 03:27:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2024-11-19 03:27:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:27:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:27:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:27:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:27:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:27:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:27:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-19 03:27:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-19 03:27:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:27:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:27:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:27:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-19 03:27:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-19 03:27:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-19 03:27:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-19 03:27:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:27:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:27:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:27:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:27:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:27:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-19 03:27:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:27:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 03:27:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 03:27:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-19 03:27:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:27:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-19 03:27:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:27:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:27:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:27:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:27:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:27:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 03:27:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 03:27:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:27:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:27:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 03:27:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 03:27:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-19 03:27:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-19 03:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-19 03:27:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-19 03:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-19 03:27:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-19 03:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-19 03:27:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-19 03:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 03:27:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 03:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-19 03:27:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-19 03:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-19 03:27:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2024-11-19 03:27:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-19 03:27:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2024-11-19 03:27:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2024-11-19 03:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:27:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-19 03:27:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-19 03:27:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-19 03:27:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-19 03:27:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-19 03:27:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-19 03:27:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-19 03:27:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-19 03:27:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:27:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:27:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:27:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2024-11-19 03:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2024-11-19 03:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 03:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 03:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2024-11-19 03:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2024-11-19 03:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-19 03:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-19 03:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-19 03:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-19 03:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 03:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 03:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-19 03:27:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-19 03:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:27:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:27:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-19 03:27:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-19 03:27:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-19 03:27:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-19 03:27:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-19 03:27:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-19 03:27:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:27:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:27:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-19 03:27:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-19 03:27:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-19 03:27:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-19 03:27:40,182 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:27:40,185 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:27:40,314 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:27:50,370 INFO L? ?]: Removed 1529 outVars from TransFormulas that were not future-live. [2024-11-19 03:27:50,370 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:27:50,424 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:27:50,424 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 03:27:50,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:50 BoogieIcfgContainer [2024-11-19 03:27:50,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:27:50,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:27:50,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:27:50,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:27:50,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:27:36" (1/3) ... [2024-11-19 03:27:50,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b23e2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:27:50, skipping insertion in model container [2024-11-19 03:27:50,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:38" (2/3) ... [2024-11-19 03:27:50,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b23e2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:27:50, skipping insertion in model container [2024-11-19 03:27:50,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:50" (3/3) ... [2024-11-19 03:27:50,436 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2024-11-19 03:27:50,452 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:27:50,452 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:27:50,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:27:50,565 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;@3ba83a92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:27:50,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:27:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 1183 states, 872 states have (on average 1.4243119266055047) internal successors, (1242), 916 states have internal predecessors, (1242), 256 states have call successors, (256), 54 states have call predecessors, (256), 53 states have return successors, (251), 249 states have call predecessors, (251), 251 states have call successors, (251) [2024-11-19 03:27:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 03:27:50,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:50,599 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:27:50,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:50,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash 67491905, now seen corresponding path program 1 times [2024-11-19 03:27:50,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:50,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423619270] [2024-11-19 03:27:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 03:27:51,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:51,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423619270] [2024-11-19 03:27:51,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423619270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:51,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:51,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:27:51,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026260862] [2024-11-19 03:27:51,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:51,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:27:51,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:51,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:27:51,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:51,738 INFO L87 Difference]: Start difference. First operand has 1183 states, 872 states have (on average 1.4243119266055047) internal successors, (1242), 916 states have internal predecessors, (1242), 256 states have call successors, (256), 54 states have call predecessors, (256), 53 states have return successors, (251), 249 states have call predecessors, (251), 251 states have call successors, (251) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:27:52,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:52,053 INFO L93 Difference]: Finished difference Result 3018 states and 4461 transitions. [2024-11-19 03:27:52,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:27:52,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 63 [2024-11-19 03:27:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:52,093 INFO L225 Difference]: With dead ends: 3018 [2024-11-19 03:27:52,093 INFO L226 Difference]: Without dead ends: 1747 [2024-11-19 03:27:52,102 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 03:27:52,105 INFO L432 NwaCegarLoop]: 1763 mSDtfsCounter, 946 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:52,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 3450 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:27:52,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2024-11-19 03:27:52,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2024-11-19 03:27:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1278 states have (on average 1.3967136150234742) internal successors, (1785), 1329 states have internal predecessors, (1785), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-19 03:27:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2536 transitions. [2024-11-19 03:27:52,314 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2536 transitions. Word has length 63 [2024-11-19 03:27:52,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:52,316 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2536 transitions. [2024-11-19 03:27:52,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:27:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2536 transitions. [2024-11-19 03:27:52,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 03:27:52,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:52,333 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-19 03:27:52,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:27:52,333 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:52,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:52,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1056911957, now seen corresponding path program 1 times [2024-11-19 03:27:52,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512872799] [2024-11-19 03:27:52,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:52,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-19 03:27:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:53,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512872799] [2024-11-19 03:27:53,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512872799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:53,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:53,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:27:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233469652] [2024-11-19 03:27:53,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:53,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:27:53,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:27:53,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:53,180 INFO L87 Difference]: Start difference. First operand 1747 states and 2536 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-19 03:27:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:53,303 INFO L93 Difference]: Finished difference Result 3470 states and 5040 transitions. [2024-11-19 03:27:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:27:53,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-19 03:27:53,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:53,320 INFO L225 Difference]: With dead ends: 3470 [2024-11-19 03:27:53,321 INFO L226 Difference]: Without dead ends: 1747 [2024-11-19 03:27:53,331 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 03:27:53,334 INFO L432 NwaCegarLoop]: 1665 mSDtfsCounter, 1648 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 1665 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 03:27:53,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 1665 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:27:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2024-11-19 03:27:53,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2024-11-19 03:27:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1278 states have (on average 1.3951486697965572) internal successors, (1783), 1329 states have internal predecessors, (1783), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-19 03:27:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2534 transitions. [2024-11-19 03:27:53,450 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2534 transitions. Word has length 123 [2024-11-19 03:27:53,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:53,452 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2534 transitions. [2024-11-19 03:27:53,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-19 03:27:53,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2534 transitions. [2024-11-19 03:27:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 03:27:53,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:53,462 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-19 03:27:53,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:27:53,466 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:53,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:53,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1329597549, now seen corresponding path program 1 times [2024-11-19 03:27:53,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:53,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028655867] [2024-11-19 03:27:53,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:53,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-19 03:27:54,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:54,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028655867] [2024-11-19 03:27:54,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028655867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:54,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:54,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:27:54,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208132802] [2024-11-19 03:27:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:54,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:27:54,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:54,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:27:54,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:27:54,271 INFO L87 Difference]: Start difference. First operand 1747 states and 2534 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-19 03:27:54,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:54,369 INFO L93 Difference]: Finished difference Result 1752 states and 2539 transitions. [2024-11-19 03:27:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:27:54,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-19 03:27:54,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:54,386 INFO L225 Difference]: With dead ends: 1752 [2024-11-19 03:27:54,386 INFO L226 Difference]: Without dead ends: 1749 [2024-11-19 03:27:54,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:27:54,390 INFO L432 NwaCegarLoop]: 1671 mSDtfsCounter, 0 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5006 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 03:27:54,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5006 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:27:54,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2024-11-19 03:27:54,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1749. [2024-11-19 03:27:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1280 states have (on average 1.39453125) internal successors, (1785), 1331 states have internal predecessors, (1785), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-19 03:27:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2536 transitions. [2024-11-19 03:27:54,483 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2536 transitions. Word has length 123 [2024-11-19 03:27:54,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:54,486 INFO L471 AbstractCegarLoop]: Abstraction has 1749 states and 2536 transitions. [2024-11-19 03:27:54,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-19 03:27:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2536 transitions. [2024-11-19 03:27:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-19 03:27:54,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:54,495 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-19 03:27:54,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:27:54,496 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:54,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:54,496 INFO L85 PathProgramCache]: Analyzing trace with hash -672709187, now seen corresponding path program 1 times [2024-11-19 03:27:54,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:54,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627691134] [2024-11-19 03:27:54,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:54,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-19 03:27:55,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:55,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627691134] [2024-11-19 03:27:55,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627691134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:55,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:55,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:27:55,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735123104] [2024-11-19 03:27:55,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:55,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:27:55,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:55,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:27:55,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:27:55,157 INFO L87 Difference]: Start difference. First operand 1749 states and 2536 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 03:27:59,172 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 03:28:00,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:00,350 INFO L93 Difference]: Finished difference Result 3485 states and 5057 transitions. [2024-11-19 03:28:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:00,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2024-11-19 03:28:00,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:00,364 INFO L225 Difference]: With dead ends: 3485 [2024-11-19 03:28:00,365 INFO L226 Difference]: Without dead ends: 1760 [2024-11-19 03:28:00,373 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 03:28:00,374 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 1624 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:00,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 2839 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 505 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-19 03:28:00,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2024-11-19 03:28:00,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1750. [2024-11-19 03:28:00,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1281 states have (on average 1.394223263075722) internal successors, (1786), 1332 states have internal predecessors, (1786), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-19 03:28:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2537 transitions. [2024-11-19 03:28:00,456 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2537 transitions. Word has length 133 [2024-11-19 03:28:00,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:00,457 INFO L471 AbstractCegarLoop]: Abstraction has 1750 states and 2537 transitions. [2024-11-19 03:28:00,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 03:28:00,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2537 transitions. [2024-11-19 03:28:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-19 03:28:00,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:00,465 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-19 03:28:00,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:28:00,466 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:00,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:00,466 INFO L85 PathProgramCache]: Analyzing trace with hash -201123012, now seen corresponding path program 1 times [2024-11-19 03:28:00,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:00,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234682547] [2024-11-19 03:28:00,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-19 03:28:01,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:01,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234682547] [2024-11-19 03:28:01,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234682547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:01,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:01,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:28:01,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46089662] [2024-11-19 03:28:01,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:01,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:28:01,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:01,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:28:01,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:28:01,259 INFO L87 Difference]: Start difference. First operand 1750 states and 2537 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:28:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:01,408 INFO L93 Difference]: Finished difference Result 1768 states and 2561 transitions. [2024-11-19 03:28:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:28:01,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2024-11-19 03:28:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:01,420 INFO L225 Difference]: With dead ends: 1768 [2024-11-19 03:28:01,421 INFO L226 Difference]: Without dead ends: 1765 [2024-11-19 03:28:01,422 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 03:28:01,423 INFO L432 NwaCegarLoop]: 1673 mSDtfsCounter, 120 mSDsluCounter, 4856 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 6529 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:01,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 6529 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2024-11-19 03:28:01,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1752. [2024-11-19 03:28:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1282 states have (on average 1.3939157566302651) internal successors, (1787), 1332 states have internal predecessors, (1787), 377 states have call successors, (377), 93 states have call predecessors, (377), 92 states have return successors, (376), 373 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-19 03:28:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2540 transitions. [2024-11-19 03:28:01,500 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2540 transitions. Word has length 135 [2024-11-19 03:28:01,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:01,500 INFO L471 AbstractCegarLoop]: Abstraction has 1752 states and 2540 transitions. [2024-11-19 03:28:01,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:28:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2540 transitions. [2024-11-19 03:28:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-19 03:28:01,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:01,510 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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] [2024-11-19 03:28:01,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:28:01,511 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:01,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:01,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1024663880, now seen corresponding path program 1 times [2024-11-19 03:28:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:01,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103210312] [2024-11-19 03:28:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 03:28:02,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103210312] [2024-11-19 03:28:02,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103210312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:02,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:02,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:02,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11202279] [2024-11-19 03:28:02,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:02,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:02,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:02,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:02,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:02,060 INFO L87 Difference]: Start difference. First operand 1752 states and 2540 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:28:06,073 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 03:28:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:06,308 INFO L93 Difference]: Finished difference Result 5164 states and 7488 transitions. [2024-11-19 03:28:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:06,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 167 [2024-11-19 03:28:06,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:06,335 INFO L225 Difference]: With dead ends: 5164 [2024-11-19 03:28:06,335 INFO L226 Difference]: Without dead ends: 3436 [2024-11-19 03:28:06,344 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 03:28:06,346 INFO L432 NwaCegarLoop]: 2490 mSDtfsCounter, 1606 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 4107 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:06,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 4107 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:28:06,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3436 states. [2024-11-19 03:28:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3436 to 3429. [2024-11-19 03:28:06,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3429 states, 2512 states have (on average 1.3964968152866242) internal successors, (3508), 2612 states have internal predecessors, (3508), 733 states have call successors, (733), 184 states have call predecessors, (733), 183 states have return successors, (732), 724 states have call predecessors, (732), 732 states have call successors, (732) [2024-11-19 03:28:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3429 states and 4973 transitions. [2024-11-19 03:28:06,554 INFO L78 Accepts]: Start accepts. Automaton has 3429 states and 4973 transitions. Word has length 167 [2024-11-19 03:28:06,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:06,554 INFO L471 AbstractCegarLoop]: Abstraction has 3429 states and 4973 transitions. [2024-11-19 03:28:06,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:28:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3429 states and 4973 transitions. [2024-11-19 03:28:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-19 03:28:06,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:06,572 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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] [2024-11-19 03:28:06,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:28:06,573 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:06,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash 727799498, now seen corresponding path program 1 times [2024-11-19 03:28:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:06,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554941655] [2024-11-19 03:28:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:06,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-19 03:28:07,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:07,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554941655] [2024-11-19 03:28:07,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554941655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:07,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:07,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:07,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146814723] [2024-11-19 03:28:07,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:07,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:07,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:07,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:07,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:07,166 INFO L87 Difference]: Start difference. First operand 3429 states and 4973 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:28:11,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:11,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:11,421 INFO L93 Difference]: Finished difference Result 5754 states and 8319 transitions. [2024-11-19 03:28:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:11,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2024-11-19 03:28:11,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:11,436 INFO L225 Difference]: With dead ends: 5754 [2024-11-19 03:28:11,437 INFO L226 Difference]: Without dead ends: 2338 [2024-11-19 03:28:11,448 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 03:28:11,449 INFO L432 NwaCegarLoop]: 1672 mSDtfsCounter, 0 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5007 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:11,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5007 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-19 03:28:11,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2024-11-19 03:28:11,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2338. [2024-11-19 03:28:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2338 states, 1701 states have (on average 1.3844797178130512) internal successors, (2355), 1767 states have internal predecessors, (2355), 505 states have call successors, (505), 132 states have call predecessors, (505), 131 states have return successors, (504), 499 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-19 03:28:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 3364 transitions. [2024-11-19 03:28:11,580 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 3364 transitions. Word has length 169 [2024-11-19 03:28:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:11,581 INFO L471 AbstractCegarLoop]: Abstraction has 2338 states and 3364 transitions. [2024-11-19 03:28:11,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:28:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3364 transitions. [2024-11-19 03:28:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-19 03:28:11,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:11,595 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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] [2024-11-19 03:28:11,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:28:11,596 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:11,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:11,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1471154994, now seen corresponding path program 1 times [2024-11-19 03:28:11,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:11,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590282552] [2024-11-19 03:28:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-19 03:28:12,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:12,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590282552] [2024-11-19 03:28:12,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590282552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:12,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:12,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:12,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597801135] [2024-11-19 03:28:12,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:12,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:12,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:12,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:12,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:12,339 INFO L87 Difference]: Start difference. First operand 2338 states and 3364 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:28:16,355 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 03:28:17,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:17,592 INFO L93 Difference]: Finished difference Result 4089 states and 5904 transitions. [2024-11-19 03:28:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:17,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 169 [2024-11-19 03:28:17,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:17,612 INFO L225 Difference]: With dead ends: 4089 [2024-11-19 03:28:17,612 INFO L226 Difference]: Without dead ends: 2365 [2024-11-19 03:28:17,621 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 03:28:17,623 INFO L432 NwaCegarLoop]: 1653 mSDtfsCounter, 1650 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:17,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 2823 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 517 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-19 03:28:17,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2024-11-19 03:28:17,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2342. [2024-11-19 03:28:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 1705 states have (on average 1.3841642228739004) internal successors, (2360), 1771 states have internal predecessors, (2360), 505 states have call successors, (505), 132 states have call predecessors, (505), 131 states have return successors, (504), 499 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-19 03:28:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3369 transitions. [2024-11-19 03:28:17,779 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3369 transitions. Word has length 169 [2024-11-19 03:28:17,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:17,780 INFO L471 AbstractCegarLoop]: Abstraction has 2342 states and 3369 transitions. [2024-11-19 03:28:17,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:28:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3369 transitions. [2024-11-19 03:28:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-19 03:28:17,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:17,795 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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] [2024-11-19 03:28:17,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:28:17,796 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:17,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:17,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1444485657, now seen corresponding path program 1 times [2024-11-19 03:28:17,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:17,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477571720] [2024-11-19 03:28:17,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:17,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-19 03:28:18,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:18,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477571720] [2024-11-19 03:28:18,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477571720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:18,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:18,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471908522] [2024-11-19 03:28:18,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:18,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:18,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:18,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:18,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:18,286 INFO L87 Difference]: Start difference. First operand 2342 states and 3369 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:28:18,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:18,426 INFO L93 Difference]: Finished difference Result 4660 states and 6738 transitions. [2024-11-19 03:28:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:18,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 172 [2024-11-19 03:28:18,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:18,445 INFO L225 Difference]: With dead ends: 4660 [2024-11-19 03:28:18,446 INFO L226 Difference]: Without dead ends: 2342 [2024-11-19 03:28:18,457 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 03:28:18,459 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 0 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3318 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 03:28:18,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3318 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:18,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2024-11-19 03:28:18,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 2342. [2024-11-19 03:28:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 1705 states have (on average 1.3788856304985337) internal successors, (2351), 1771 states have internal predecessors, (2351), 505 states have call successors, (505), 132 states have call predecessors, (505), 131 states have return successors, (504), 499 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-19 03:28:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3360 transitions. [2024-11-19 03:28:18,605 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3360 transitions. Word has length 172 [2024-11-19 03:28:18,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:18,609 INFO L471 AbstractCegarLoop]: Abstraction has 2342 states and 3360 transitions. [2024-11-19 03:28:18,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:28:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3360 transitions. [2024-11-19 03:28:18,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-19 03:28:18,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:18,621 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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] [2024-11-19 03:28:18,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:28:18,622 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:18,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash 375276352, now seen corresponding path program 1 times [2024-11-19 03:28:18,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:18,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920660984] [2024-11-19 03:28:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-19 03:28:19,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:19,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920660984] [2024-11-19 03:28:19,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920660984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:28:19,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517784340] [2024-11-19 03:28:19,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:19,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:19,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:19,268 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 03:28:19,269 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 03:28:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:20,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 03:28:20,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:28:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-19 03:28:20,710 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:28:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-19 03:28:20,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517784340] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:28:20,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:28:20,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2024-11-19 03:28:20,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500215430] [2024-11-19 03:28:20,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:28:20,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 03:28:20,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:20,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 03:28:20,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:28:20,999 INFO L87 Difference]: Start difference. First operand 2342 states and 3360 transitions. Second operand has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2024-11-19 03:28:25,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:29,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:33,028 WARN L539 Checker$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 03:28:37,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:41,045 WARN L539 Checker$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 03:28:45,052 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 03:28:46,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:46,236 INFO L93 Difference]: Finished difference Result 4150 states and 5979 transitions. [2024-11-19 03:28:46,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:28:46,238 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 175 [2024-11-19 03:28:46,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:46,255 INFO L225 Difference]: With dead ends: 4150 [2024-11-19 03:28:46,255 INFO L226 Difference]: Without dead ends: 2422 [2024-11-19 03:28:46,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 345 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 03:28:46,263 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1828 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 61 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 2887 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:46,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 2887 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 566 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2024-11-19 03:28:46,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2024-11-19 03:28:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2349. [2024-11-19 03:28:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 1712 states have (on average 1.3785046728971964) internal successors, (2360), 1778 states have internal predecessors, (2360), 505 states have call successors, (505), 132 states have call predecessors, (505), 131 states have return successors, (504), 499 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-19 03:28:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3369 transitions. [2024-11-19 03:28:46,386 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3369 transitions. Word has length 175 [2024-11-19 03:28:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:46,387 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3369 transitions. [2024-11-19 03:28:46,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2024-11-19 03:28:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3369 transitions. [2024-11-19 03:28:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-19 03:28:46,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:46,398 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1] [2024-11-19 03:28:46,423 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 03:28:46,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 03:28:46,603 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:46,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:46,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1401592017, now seen corresponding path program 1 times [2024-11-19 03:28:46,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:46,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698345299] [2024-11-19 03:28:46,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:46,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-19 03:28:48,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:48,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698345299] [2024-11-19 03:28:48,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698345299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:28:48,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349565996] [2024-11-19 03:28:48,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:48,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:48,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:48,129 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 03:28:48,131 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 03:28:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:49,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 03:28:49,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:28:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-19 03:28:49,176 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:28:49,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349565996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:49,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:28:49,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 03:28:49,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106686276] [2024-11-19 03:28:49,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:49,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:49,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:49,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:49,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:28:49,178 INFO L87 Difference]: Start difference. First operand 2349 states and 3369 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:28:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:49,301 INFO L93 Difference]: Finished difference Result 4101 states and 5894 transitions. [2024-11-19 03:28:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:49,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 185 [2024-11-19 03:28:49,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:49,318 INFO L225 Difference]: With dead ends: 4101 [2024-11-19 03:28:49,318 INFO L226 Difference]: Without dead ends: 2349 [2024-11-19 03:28:49,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 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 03:28:49,326 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 2 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3321 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 03:28:49,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3321 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:49,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2024-11-19 03:28:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2349. [2024-11-19 03:28:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 1712 states have (on average 1.376752336448598) internal successors, (2357), 1778 states have internal predecessors, (2357), 505 states have call successors, (505), 132 states have call predecessors, (505), 131 states have return successors, (504), 499 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-19 03:28:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3366 transitions. [2024-11-19 03:28:49,530 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3366 transitions. Word has length 185 [2024-11-19 03:28:49,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:49,531 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3366 transitions. [2024-11-19 03:28:49,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:28:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3366 transitions. [2024-11-19 03:28:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 03:28:49,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:49,544 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1] [2024-11-19 03:28:49,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 03:28:49,744 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,SelfDestructingSolverStorable10 [2024-11-19 03:28:49,745 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:49,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:49,747 INFO L85 PathProgramCache]: Analyzing trace with hash -840780398, now seen corresponding path program 1 times [2024-11-19 03:28:49,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:49,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849442082] [2024-11-19 03:28:49,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:49,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-19 03:28:51,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:51,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849442082] [2024-11-19 03:28:51,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849442082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:28:51,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123583622] [2024-11-19 03:28:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:51,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:51,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:51,052 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 03:28:51,056 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 03:28:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:52,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-19 03:28:52,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:28:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-19 03:28:52,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:28:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123583622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:52,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:28:52,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 9 [2024-11-19 03:28:52,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313902514] [2024-11-19 03:28:52,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:52,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 03:28:52,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:52,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 03:28:52,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 03:28:52,125 INFO L87 Difference]: Start difference. First operand 2349 states and 3366 transitions. Second operand has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 4 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:28:52,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:52,478 INFO L93 Difference]: Finished difference Result 4112 states and 5914 transitions. [2024-11-19 03:28:52,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 03:28:52,478 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 4 states have call predecessors, (20), 2 states have call successors, (20) Word has length 187 [2024-11-19 03:28:52,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:52,507 INFO L225 Difference]: With dead ends: 4112 [2024-11-19 03:28:52,508 INFO L226 Difference]: Without dead ends: 2369 [2024-11-19 03:28:52,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 189 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 03:28:52,517 INFO L432 NwaCegarLoop]: 1684 mSDtfsCounter, 866 mSDsluCounter, 11733 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 13417 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:52,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 13417 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2024-11-19 03:28:52,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2367. [2024-11-19 03:28:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1724 states have (on average 1.3741299303944317) internal successors, (2369), 1793 states have internal predecessors, (2369), 505 states have call successors, (505), 132 states have call predecessors, (505), 137 states have return successors, (522), 502 states have call predecessors, (522), 504 states have call successors, (522) [2024-11-19 03:28:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3396 transitions. [2024-11-19 03:28:52,650 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3396 transitions. Word has length 187 [2024-11-19 03:28:52,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:52,651 INFO L471 AbstractCegarLoop]: Abstraction has 2367 states and 3396 transitions. [2024-11-19 03:28:52,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 4 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:28:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3396 transitions. [2024-11-19 03:28:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-19 03:28:52,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:52,663 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:52,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 03:28:52,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:52,867 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:52,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:52,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1988933713, now seen corresponding path program 1 times [2024-11-19 03:28:52,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:52,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944441651] [2024-11-19 03:28:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:52,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-19 03:28:53,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:53,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944441651] [2024-11-19 03:28:53,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944441651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:53,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:53,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:53,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244302347] [2024-11-19 03:28:53,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:53,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:53,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:53,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:53,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:53,619 INFO L87 Difference]: Start difference. First operand 2367 states and 3396 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)