./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-803cd42-m [2024-11-22 15:26:20,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 15:26:20,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 15:26:20,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 15:26:20,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 15:26:20,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 15:26:20,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 15:26:20,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 15:26:20,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 15:26:20,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 15:26:20,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 15:26:20,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 15:26:20,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 15:26:20,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 15:26:20,325 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 15:26:20,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 15:26:20,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 15:26:20,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 15:26:20,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 15:26:20,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 15:26:20,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 15:26:20,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 15:26:20,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 15:26:20,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 15:26:20,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 15:26:20,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 15:26:20,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 15:26:20,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 15:26:20,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 15:26:20,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:26:20,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 15:26:20,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 15:26:20,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 15:26:20,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 15:26:20,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 15:26:20,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 15:26:20,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 15:26:20,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 15:26:20,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 15:26:20,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0992725f389f0adb842356ba35094ebe66d38080cd0511ed76d42d3b12708c0b [2024-11-22 15:26:20,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 15:26:20,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 15:26:20,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 15:26:20,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 15:26:20,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 15:26:20,621 INFO L431 ainManager$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 [2024-11-22 15:26:22,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 15:26:22,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 15:26:22,566 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 [2024-11-22 15:26:22,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd13fcf83/e1fb5198573342eba7cfd9f739f93097/FLAG47cf5a618 [2024-11-22 15:26:22,629 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd13fcf83/e1fb5198573342eba7cfd9f739f93097 [2024-11-22 15:26:22,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 15:26:22,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 15:26:22,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 15:26:22,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 15:26:22,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 15:26:22,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:26:22" (1/1) ... [2024-11-22 15:26:22,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79abbf47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:22, skipping insertion in model container [2024-11-22 15:26:22,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:26:22" (1/1) ... [2024-11-22 15:26:22,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 15:26:23,323 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] [2024-11-22 15:26:23,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:26:23,848 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 15:26:23,945 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] [2024-11-22 15:26:23,947 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] [2024-11-22 15:26:23,948 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] [2024-11-22 15:26:23,948 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] [2024-11-22 15:26:23,951 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] [2024-11-22 15:26:23,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4838] [2024-11-22 15:26:23,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4841] [2024-11-22 15:26:23,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4844] [2024-11-22 15:26:23,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4847] [2024-11-22 15:26:23,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5229] [2024-11-22 15:26:23,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5233] [2024-11-22 15:26:23,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5237] [2024-11-22 15:26:23,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5241] [2024-11-22 15:26:23,974 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] [2024-11-22 15:26:23,975 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] [2024-11-22 15:26:23,975 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] [2024-11-22 15:26:23,976 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] [2024-11-22 15:26:23,976 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] [2024-11-22 15:26:23,979 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] [2024-11-22 15:26:23,980 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] [2024-11-22 15:26:23,980 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] [2024-11-22 15:26:23,980 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] [2024-11-22 15:26:23,980 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] [2024-11-22 15:26:23,981 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] [2024-11-22 15:26:23,981 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] [2024-11-22 15:26:23,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5360] [2024-11-22 15:26:23,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5364] [2024-11-22 15:26:23,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5368] [2024-11-22 15:26:23,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5372] [2024-11-22 15:26:23,985 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] [2024-11-22 15:26:23,985 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] [2024-11-22 15:26:23,985 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] [2024-11-22 15:26:23,986 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] [2024-11-22 15:26:23,986 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] [2024-11-22 15:26:23,987 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] [2024-11-22 15:26:23,987 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] [2024-11-22 15:26:23,988 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] [2024-11-22 15:26:23,988 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] [2024-11-22 15:26:23,988 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] [2024-11-22 15:26:23,989 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] [2024-11-22 15:26:23,989 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] [2024-11-22 15:26:23,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5515] [2024-11-22 15:26:23,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5519] [2024-11-22 15:26:23,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5523] [2024-11-22 15:26:23,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5527] [2024-11-22 15:26:23,995 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] [2024-11-22 15:26:23,995 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] [2024-11-22 15:26:23,995 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] [2024-11-22 15:26:23,996 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] [2024-11-22 15:26:23,996 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] [2024-11-22 15:26:23,996 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] [2024-11-22 15:26:23,996 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] [2024-11-22 15:26:23,997 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] [2024-11-22 15:26:24,155 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] [2024-11-22 15:26:24,159 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] [2024-11-22 15:26:24,159 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] [2024-11-22 15:26:24,160 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] [2024-11-22 15:26:24,160 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] [2024-11-22 15:26:24,160 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] [2024-11-22 15:26:24,160 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] [2024-11-22 15:26:24,161 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] [2024-11-22 15:26:24,161 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] [2024-11-22 15:26:24,162 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] [2024-11-22 15:26:24,163 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] [2024-11-22 15:26:24,164 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] [2024-11-22 15:26:24,164 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] [2024-11-22 15:26:24,168 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] [2024-11-22 15:26:24,168 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] [2024-11-22 15:26:24,170 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] [2024-11-22 15:26:24,170 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] [2024-11-22 15:26:24,170 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] [2024-11-22 15:26:24,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6628-6629] [2024-11-22 15:26:24,172 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] [2024-11-22 15:26:24,173 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] [2024-11-22 15:26:24,174 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] [2024-11-22 15:26:24,174 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] [2024-11-22 15:26:24,174 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] [2024-11-22 15:26:24,175 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] [2024-11-22 15:26:24,176 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] [2024-11-22 15:26:24,180 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] [2024-11-22 15:26:24,180 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] [2024-11-22 15:26:24,181 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] [2024-11-22 15:26:24,181 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] [2024-11-22 15:26:24,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:26:24,377 INFO L204 MainTranslator]: Completed translation [2024-11-22 15:26:24,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24 WrapperNode [2024-11-22 15:26:24,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 15:26:24,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 15:26:24,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 15:26:24,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 15:26:24,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:24,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:24,558 INFO L138 Inliner]: procedures = 183, calls = 839, calls flagged for inlining = 93, calls inlined = 91, statements flattened = 3460 [2024-11-22 15:26:24,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 15:26:24,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 15:26:24,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 15:26:24,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 15:26:24,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:24,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:24,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:24,986 INFO L175 MemorySlicer]: Split 418 memory accesses to 9 slices as follows [2, 4, 3, 1, 1, 36, 22, 347, 2]. 83 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 5, 0]. The 180 writes are split as follows [0, 1, 0, 0, 1, 36, 22, 120, 0]. [2024-11-22 15:26:24,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:24,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:25,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:25,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:25,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:25,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:25,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 15:26:25,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 15:26:25,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 15:26:25,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 15:26:25,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (1/1) ... [2024-11-22 15:26:25,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:26:25,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:26:25,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 15:26:25,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 15:26:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-11-22 15:26:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-11-22 15:26:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2024-11-22 15:26:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2024-11-22 15:26:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 15:26:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 15:26:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 15:26:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 15:26:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 15:26:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 15:26:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 15:26:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 15:26:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 15:26:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-22 15:26:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-22 15:26:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-22 15:26:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-22 15:26:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 15:26:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 15:26:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 15:26:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 15:26:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 15:26:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 15:26:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 15:26:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 15:26:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 15:26:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 15:26:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 15:26:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 15:26:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 15:26:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 15:26:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 15:26:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 15:26:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 15:26:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 15:26:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 15:26:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 15:26:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-22 15:26:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-22 15:26:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-22 15:26:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-22 15:26:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-22 15:26:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-22 15:26:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-22 15:26:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-22 15:26:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 15:26:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-22 15:26:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-22 15:26:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-22 15:26:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-22 15:26:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-22 15:26:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-22 15:26:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-22 15:26:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 15:26:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 15:26:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 15:26:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 15:26:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 15:26:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 15:26:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 15:26:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 15:26:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 15:26:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 15:26:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 15:26:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 15:26:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 15:26:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-22 15:26:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-22 15:26:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 15:26:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 15:26:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-22 15:26:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-22 15:26:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-22 15:26:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-22 15:26:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 15:26:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-22 15:26:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-22 15:26:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-22 15:26:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-22 15:26:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-22 15:26:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-22 15:26:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 15:26:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-22 15:26:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-22 15:26:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-22 15:26:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-22 15:26:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 15:26:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 15:26:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 15:26:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 15:26:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-22 15:26:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2024-11-22 15:26:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-22 15:26:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-22 15:26:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2024-11-22 15:26:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-22 15:26:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-22 15:26:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-22 15:26:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 15:26:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-22 15:26:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-22 15:26:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-22 15:26:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 15:26:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 15:26:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 15:26:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-22 15:26:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-22 15:26:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-22 15:26:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-22 15:26:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-22 15:26:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-22 15:26:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-22 15:26:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-22 15:26:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-22 15:26:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-22 15:26:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 15:26:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 15:26:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-22 15:26:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-22 15:26:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-22 15:26:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-22 15:26:25,873 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 15:26:25,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 15:26:26,034 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 15:26:36,724 INFO L? ?]: Removed 1529 outVars from TransFormulas that were not future-live. [2024-11-22 15:26:36,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 15:26:36,760 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 15:26:36,761 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 15:26:36,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:26:36 BoogieIcfgContainer [2024-11-22 15:26:36,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 15:26:36,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 15:26:36,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 15:26:36,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 15:26:36,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:26:22" (1/3) ... [2024-11-22 15:26:36,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7f03bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:26:36, skipping insertion in model container [2024-11-22 15:26:36,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:24" (2/3) ... [2024-11-22 15:26:36,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7f03bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:26:36, skipping insertion in model container [2024-11-22 15:26:36,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:26:36" (3/3) ... [2024-11-22 15:26:36,769 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2024-11-22 15:26:36,784 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 15:26:36,784 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 15:26:36,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 15:26:36,894 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;@1abfe6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 15:26:36,894 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 15:26:36,905 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) [2024-11-22 15:26:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 15:26:36,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:36,931 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] [2024-11-22 15:26:36,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:36,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash 67491905, now seen corresponding path program 1 times [2024-11-22 15:26:36,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:36,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897110123] [2024-11-22 15:26:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:36,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 15:26:37,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:37,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897110123] [2024-11-22 15:26:37,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897110123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:37,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:37,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:26:38,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6927256] [2024-11-22 15:26:38,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:38,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:26:38,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:38,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:26:38,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:26:38,065 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) [2024-11-22 15:26:38,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:26:38,378 INFO L93 Difference]: Finished difference Result 3018 states and 4461 transitions. [2024-11-22 15:26:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:26:38,381 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 [2024-11-22 15:26:38,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:26:38,418 INFO L225 Difference]: With dead ends: 3018 [2024-11-22 15:26:38,419 INFO L226 Difference]: Without dead ends: 1747 [2024-11-22 15:26:38,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:26:38,439 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 [2024-11-22 15:26:38,441 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] [2024-11-22 15:26:38,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2024-11-22 15:26:38,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2024-11-22 15:26:38,626 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) [2024-11-22 15:26:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2536 transitions. [2024-11-22 15:26:38,644 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2536 transitions. Word has length 63 [2024-11-22 15:26:38,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:26:38,645 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2536 transitions. [2024-11-22 15:26:38,645 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) [2024-11-22 15:26:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2536 transitions. [2024-11-22 15:26:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 15:26:38,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:38,661 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] [2024-11-22 15:26:38,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 15:26:38,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:38,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:38,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1056911957, now seen corresponding path program 1 times [2024-11-22 15:26:38,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:38,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936649110] [2024-11-22 15:26:38,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:38,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:39,397 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-22 15:26:39,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:39,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936649110] [2024-11-22 15:26:39,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936649110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:39,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:39,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:26:39,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641844647] [2024-11-22 15:26:39,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:39,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:26:39,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:39,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:26:39,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:26:39,404 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) [2024-11-22 15:26:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:26:39,501 INFO L93 Difference]: Finished difference Result 3470 states and 5040 transitions. [2024-11-22 15:26:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:26:39,502 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 [2024-11-22 15:26:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:26:39,515 INFO L225 Difference]: With dead ends: 3470 [2024-11-22 15:26:39,516 INFO L226 Difference]: Without dead ends: 1747 [2024-11-22 15:26:39,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:26:39,527 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 [2024-11-22 15:26:39,527 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] [2024-11-22 15:26:39,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2024-11-22 15:26:39,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2024-11-22 15:26:39,608 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) [2024-11-22 15:26:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2534 transitions. [2024-11-22 15:26:39,620 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2534 transitions. Word has length 123 [2024-11-22 15:26:39,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:26:39,622 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2534 transitions. [2024-11-22 15:26:39,623 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) [2024-11-22 15:26:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2534 transitions. [2024-11-22 15:26:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 15:26:39,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:39,630 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] [2024-11-22 15:26:39,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 15:26:39,630 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:39,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1329597549, now seen corresponding path program 1 times [2024-11-22 15:26:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:39,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202547355] [2024-11-22 15:26:39,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:39,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-22 15:26:40,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:40,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202547355] [2024-11-22 15:26:40,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202547355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:40,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:40,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:26:40,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111924442] [2024-11-22 15:26:40,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:40,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:26:40,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:40,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:26:40,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:26:40,435 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) [2024-11-22 15:26:40,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:26:40,524 INFO L93 Difference]: Finished difference Result 1752 states and 2539 transitions. [2024-11-22 15:26:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:26:40,525 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 [2024-11-22 15:26:40,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:26:40,537 INFO L225 Difference]: With dead ends: 1752 [2024-11-22 15:26:40,537 INFO L226 Difference]: Without dead ends: 1749 [2024-11-22 15:26:40,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:26:40,541 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 [2024-11-22 15:26:40,543 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] [2024-11-22 15:26:40,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2024-11-22 15:26:40,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1749. [2024-11-22 15:26:40,638 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) [2024-11-22 15:26:40,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2536 transitions. [2024-11-22 15:26:40,651 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2536 transitions. Word has length 123 [2024-11-22 15:26:40,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:26:40,654 INFO L471 AbstractCegarLoop]: Abstraction has 1749 states and 2536 transitions. [2024-11-22 15:26:40,654 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) [2024-11-22 15:26:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2536 transitions. [2024-11-22 15:26:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-22 15:26:40,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:40,663 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] [2024-11-22 15:26:40,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 15:26:40,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:40,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash -672709187, now seen corresponding path program 1 times [2024-11-22 15:26:40,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:40,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013092830] [2024-11-22 15:26:40,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:40,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-22 15:26:41,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:41,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013092830] [2024-11-22 15:26:41,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013092830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:41,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:41,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:26:41,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959674529] [2024-11-22 15:26:41,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:41,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:26:41,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:41,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:26:41,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:26:41,323 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) [2024-11-22 15:26:45,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:26:46,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:26:46,336 INFO L93 Difference]: Finished difference Result 3485 states and 5057 transitions. [2024-11-22 15:26:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:26:46,337 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 [2024-11-22 15:26:46,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:26:46,348 INFO L225 Difference]: With dead ends: 3485 [2024-11-22 15:26:46,349 INFO L226 Difference]: Without dead ends: 1760 [2024-11-22 15:26:46,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:26:46,356 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 1624 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-22 15:26:46,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 2839 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 505 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-22 15:26:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2024-11-22 15:26:46,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1750. [2024-11-22 15:26:46,416 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) [2024-11-22 15:26:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2537 transitions. [2024-11-22 15:26:46,442 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2537 transitions. Word has length 133 [2024-11-22 15:26:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:26:46,443 INFO L471 AbstractCegarLoop]: Abstraction has 1750 states and 2537 transitions. [2024-11-22 15:26:46,443 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) [2024-11-22 15:26:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2537 transitions. [2024-11-22 15:26:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 15:26:46,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:46,460 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] [2024-11-22 15:26:46,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 15:26:46,461 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:46,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:46,465 INFO L85 PathProgramCache]: Analyzing trace with hash -201123012, now seen corresponding path program 1 times [2024-11-22 15:26:46,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:46,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031784313] [2024-11-22 15:26:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:46,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-22 15:26:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031784313] [2024-11-22 15:26:47,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031784313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:47,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:47,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 15:26:47,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453092810] [2024-11-22 15:26:47,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:47,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 15:26:47,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:47,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 15:26:47,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:26:47,203 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) [2024-11-22 15:26:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:26:47,313 INFO L93 Difference]: Finished difference Result 1768 states and 2561 transitions. [2024-11-22 15:26:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 15:26:47,313 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 [2024-11-22 15:26:47,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:26:47,329 INFO L225 Difference]: With dead ends: 1768 [2024-11-22 15:26:47,329 INFO L226 Difference]: Without dead ends: 1765 [2024-11-22 15:26:47,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:26:47,331 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:26:47,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 6529 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:26:47,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2024-11-22 15:26:47,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1752. [2024-11-22 15:26:47,391 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) [2024-11-22 15:26:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2540 transitions. [2024-11-22 15:26:47,402 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2540 transitions. Word has length 135 [2024-11-22 15:26:47,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:26:47,403 INFO L471 AbstractCegarLoop]: Abstraction has 1752 states and 2540 transitions. [2024-11-22 15:26:47,403 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) [2024-11-22 15:26:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2540 transitions. [2024-11-22 15:26:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-22 15:26:47,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:47,413 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] [2024-11-22 15:26:47,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 15:26:47,413 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:47,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:47,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1024663880, now seen corresponding path program 1 times [2024-11-22 15:26:47,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:47,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985830421] [2024-11-22 15:26:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-22 15:26:48,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:48,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985830421] [2024-11-22 15:26:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985830421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:48,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:48,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:26:48,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224265470] [2024-11-22 15:26:48,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:48,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:26:48,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:48,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:26:48,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:26:48,013 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) [2024-11-22 15:26:52,028 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 [] [2024-11-22 15:26:52,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:26:52,337 INFO L93 Difference]: Finished difference Result 5164 states and 7488 transitions. [2024-11-22 15:26:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:26:52,338 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 [2024-11-22 15:26:52,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:26:52,363 INFO L225 Difference]: With dead ends: 5164 [2024-11-22 15:26:52,364 INFO L226 Difference]: Without dead ends: 3436 [2024-11-22 15:26:52,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:26:52,375 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 [2024-11-22 15:26:52,376 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] [2024-11-22 15:26:52,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3436 states. [2024-11-22 15:26:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3436 to 3429. [2024-11-22 15:26:52,578 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) [2024-11-22 15:26:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3429 states and 4973 transitions. [2024-11-22 15:26:52,597 INFO L78 Accepts]: Start accepts. Automaton has 3429 states and 4973 transitions. Word has length 167 [2024-11-22 15:26:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:26:52,598 INFO L471 AbstractCegarLoop]: Abstraction has 3429 states and 4973 transitions. [2024-11-22 15:26:52,598 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) [2024-11-22 15:26:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3429 states and 4973 transitions. [2024-11-22 15:26:52,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 15:26:52,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:52,614 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] [2024-11-22 15:26:52,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 15:26:52,615 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:52,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:52,615 INFO L85 PathProgramCache]: Analyzing trace with hash 727799498, now seen corresponding path program 1 times [2024-11-22 15:26:52,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:52,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476647132] [2024-11-22 15:26:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:52,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-22 15:26:53,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:53,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476647132] [2024-11-22 15:26:53,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476647132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:53,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:53,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:26:53,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356360656] [2024-11-22 15:26:53,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:53,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:26:53,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:53,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:26:53,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:26:53,145 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) [2024-11-22 15:26:57,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:26:57,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:26:57,334 INFO L93 Difference]: Finished difference Result 5754 states and 8319 transitions. [2024-11-22 15:26:57,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:26:57,335 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 [2024-11-22 15:26:57,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:26:57,355 INFO L225 Difference]: With dead ends: 5754 [2024-11-22 15:26:57,355 INFO L226 Difference]: Without dead ends: 2338 [2024-11-22 15:26:57,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:26:57,369 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 [2024-11-22 15:26:57,369 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] [2024-11-22 15:26:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2024-11-22 15:26:57,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2338. [2024-11-22 15:26:57,490 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) [2024-11-22 15:26:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 3364 transitions. [2024-11-22 15:26:57,505 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 3364 transitions. Word has length 169 [2024-11-22 15:26:57,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:26:57,506 INFO L471 AbstractCegarLoop]: Abstraction has 2338 states and 3364 transitions. [2024-11-22 15:26:57,506 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) [2024-11-22 15:26:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3364 transitions. [2024-11-22 15:26:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 15:26:57,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:26:57,518 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] [2024-11-22 15:26:57,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 15:26:57,519 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:26:57,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:26:57,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1471154994, now seen corresponding path program 1 times [2024-11-22 15:26:57,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:26:57,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977471172] [2024-11-22 15:26:57,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:26:57,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:26:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:26:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-22 15:26:58,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:26:58,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977471172] [2024-11-22 15:26:58,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977471172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:26:58,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:26:58,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:26:58,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548956557] [2024-11-22 15:26:58,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:26:58,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:26:58,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:26:58,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:26:58,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:26:58,161 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) [2024-11-22 15:27:02,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:27:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:27:03,208 INFO L93 Difference]: Finished difference Result 4089 states and 5904 transitions. [2024-11-22 15:27:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:27:03,209 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 [2024-11-22 15:27:03,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:27:03,223 INFO L225 Difference]: With dead ends: 4089 [2024-11-22 15:27:03,224 INFO L226 Difference]: Without dead ends: 2365 [2024-11-22 15:27:03,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:27:03,231 INFO L432 NwaCegarLoop]: 1653 mSDtfsCounter, 1650 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-22 15:27:03,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 2823 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 517 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-22 15:27:03,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2024-11-22 15:27:03,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2342. [2024-11-22 15:27:03,368 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) [2024-11-22 15:27:03,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3369 transitions. [2024-11-22 15:27:03,381 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3369 transitions. Word has length 169 [2024-11-22 15:27:03,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:27:03,382 INFO L471 AbstractCegarLoop]: Abstraction has 2342 states and 3369 transitions. [2024-11-22 15:27:03,382 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) [2024-11-22 15:27:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3369 transitions. [2024-11-22 15:27:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-22 15:27:03,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:27:03,395 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] [2024-11-22 15:27:03,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 15:27:03,396 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:27:03,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:27:03,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1444485657, now seen corresponding path program 1 times [2024-11-22 15:27:03,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:27:03,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156630467] [2024-11-22 15:27:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:27:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-22 15:27:03,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:27:03,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156630467] [2024-11-22 15:27:03,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156630467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:27:03,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:27:03,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:27:03,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103314984] [2024-11-22 15:27:03,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:27:03,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:27:03,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:27:03,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:27:03,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:27:03,832 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) [2024-11-22 15:27:04,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:27:04,018 INFO L93 Difference]: Finished difference Result 4660 states and 6738 transitions. [2024-11-22 15:27:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:27:04,019 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 [2024-11-22 15:27:04,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:27:04,035 INFO L225 Difference]: With dead ends: 4660 [2024-11-22 15:27:04,036 INFO L226 Difference]: Without dead ends: 2342 [2024-11-22 15:27:04,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:27:04,048 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 [2024-11-22 15:27:04,048 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] [2024-11-22 15:27:04,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2024-11-22 15:27:04,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 2342. [2024-11-22 15:27:04,207 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) [2024-11-22 15:27:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3360 transitions. [2024-11-22 15:27:04,227 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3360 transitions. Word has length 172 [2024-11-22 15:27:04,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:27:04,230 INFO L471 AbstractCegarLoop]: Abstraction has 2342 states and 3360 transitions. [2024-11-22 15:27:04,235 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) [2024-11-22 15:27:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3360 transitions. [2024-11-22 15:27:04,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-22 15:27:04,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:27:04,249 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] [2024-11-22 15:27:04,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 15:27:04,249 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:27:04,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:27:04,250 INFO L85 PathProgramCache]: Analyzing trace with hash 375276352, now seen corresponding path program 1 times [2024-11-22 15:27:04,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:27:04,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748356231] [2024-11-22 15:27:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:04,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:27:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-22 15:27:04,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:27:04,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748356231] [2024-11-22 15:27:04,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748356231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:27:04,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932630911] [2024-11-22 15:27:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:04,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:27:04,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:27:04,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:27:04,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 15:27:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:05,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 15:27:05,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:27:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-22 15:27:06,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 15:27:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-22 15:27:06,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932630911] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 15:27:06,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 15:27:06,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2024-11-22 15:27:06,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467235251] [2024-11-22 15:27:06,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 15:27:06,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 15:27:06,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:27:06,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 15:27:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-22 15:27:06,471 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) [2024-11-22 15:27:10,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:27:14,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:27:18,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:27:22,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:27:26,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:27:30,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:27:32,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:27:32,245 INFO L93 Difference]: Finished difference Result 4150 states and 5979 transitions. [2024-11-22 15:27:32,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 15:27:32,245 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 [2024-11-22 15:27:32,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:27:32,261 INFO L225 Difference]: With dead ends: 4150 [2024-11-22 15:27:32,262 INFO L226 Difference]: Without dead ends: 2422 [2024-11-22 15:27:32,269 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 [2024-11-22 15:27:32,269 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1828 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 61 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s 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, 25.5s IncrementalHoareTripleChecker+Time [2024-11-22 15:27:32,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 2887 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 566 Invalid, 6 Unknown, 0 Unchecked, 25.5s Time] [2024-11-22 15:27:32,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2024-11-22 15:27:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2349. [2024-11-22 15:27:32,381 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) [2024-11-22 15:27:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3369 transitions. [2024-11-22 15:27:32,397 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3369 transitions. Word has length 175 [2024-11-22 15:27:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:27:32,398 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3369 transitions. [2024-11-22 15:27:32,399 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) [2024-11-22 15:27:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3369 transitions. [2024-11-22 15:27:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-22 15:27:32,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:27:32,410 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] [2024-11-22 15:27:32,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 15:27:32,614 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 [2024-11-22 15:27:32,615 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:27:32,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:27:32,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1401592017, now seen corresponding path program 1 times [2024-11-22 15:27:32,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:27:32,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833161347] [2024-11-22 15:27:32,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:32,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:27:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-22 15:27:34,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:27:34,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833161347] [2024-11-22 15:27:34,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833161347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:27:34,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288761481] [2024-11-22 15:27:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:34,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:27:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:27:34,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:27:34,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 15:27:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:35,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 15:27:35,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:27:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-22 15:27:35,281 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:27:35,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288761481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:27:35,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:27:35,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-22 15:27:35,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709972273] [2024-11-22 15:27:35,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:27:35,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:27:35,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:27:35,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:27:35,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-22 15:27:35,283 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) [2024-11-22 15:27:35,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:27:35,383 INFO L93 Difference]: Finished difference Result 4101 states and 5894 transitions. [2024-11-22 15:27:35,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:27:35,384 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 [2024-11-22 15:27:35,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:27:35,397 INFO L225 Difference]: With dead ends: 4101 [2024-11-22 15:27:35,397 INFO L226 Difference]: Without dead ends: 2349 [2024-11-22 15:27:35,402 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 [2024-11-22 15:27:35,403 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 [2024-11-22 15:27:35,403 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] [2024-11-22 15:27:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2024-11-22 15:27:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2349. [2024-11-22 15:27:35,511 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) [2024-11-22 15:27:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3366 transitions. [2024-11-22 15:27:35,522 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3366 transitions. Word has length 185 [2024-11-22 15:27:35,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:27:35,522 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3366 transitions. [2024-11-22 15:27:35,522 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) [2024-11-22 15:27:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3366 transitions. [2024-11-22 15:27:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-22 15:27:35,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:27:35,533 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] [2024-11-22 15:27:35,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 15:27:35,733 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 [2024-11-22 15:27:35,734 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:27:35,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:27:35,735 INFO L85 PathProgramCache]: Analyzing trace with hash -840780398, now seen corresponding path program 1 times [2024-11-22 15:27:35,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:27:35,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216587074] [2024-11-22 15:27:35,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:35,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:27:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-22 15:27:37,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:27:37,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216587074] [2024-11-22 15:27:37,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216587074] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:27:37,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851637373] [2024-11-22 15:27:37,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:37,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:27:37,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:27:37,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:27:37,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 15:27:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:38,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-22 15:27:38,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:27:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 15:27:38,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:27:38,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851637373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:27:38,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:27:38,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 9 [2024-11-22 15:27:38,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797019818] [2024-11-22 15:27:38,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:27:38,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 15:27:38,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:27:38,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 15:27:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 15:27:38,361 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) [2024-11-22 15:27:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:27:38,657 INFO L93 Difference]: Finished difference Result 4112 states and 5914 transitions. [2024-11-22 15:27:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 15:27:38,658 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 [2024-11-22 15:27:38,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:27:38,673 INFO L225 Difference]: With dead ends: 4112 [2024-11-22 15:27:38,673 INFO L226 Difference]: Without dead ends: 2369 [2024-11-22 15:27:38,679 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 [2024-11-22 15:27:38,679 INFO L432 NwaCegarLoop]: 1687 mSDtfsCounter, 865 mSDsluCounter, 11746 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 13433 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:27:38,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 13433 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:27:38,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2024-11-22 15:27:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2367. [2024-11-22 15:27:38,784 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) [2024-11-22 15:27:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3396 transitions. [2024-11-22 15:27:38,795 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3396 transitions. Word has length 187 [2024-11-22 15:27:38,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:27:38,795 INFO L471 AbstractCegarLoop]: Abstraction has 2367 states and 3396 transitions. [2024-11-22 15:27:38,796 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) [2024-11-22 15:27:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3396 transitions. [2024-11-22 15:27:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-22 15:27:38,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:27:38,808 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] [2024-11-22 15:27:38,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 15:27:39,012 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 [2024-11-22 15:27:39,013 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:27:39,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:27:39,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1988933713, now seen corresponding path program 1 times [2024-11-22 15:27:39,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:27:39,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708427413] [2024-11-22 15:27:39,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:39,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:27:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-22 15:27:39,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:27:39,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708427413] [2024-11-22 15:27:39,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708427413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:27:39,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:27:39,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:27:39,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104035431] [2024-11-22 15:27:39,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:27:39,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:27:39,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:27:39,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:27:39,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:27:39,883 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) [2024-11-22 15:27:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:27:40,086 INFO L93 Difference]: Finished difference Result 4116 states and 5926 transitions. [2024-11-22 15:27:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:27:40,086 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 193 [2024-11-22 15:27:40,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:27:40,111 INFO L225 Difference]: With dead ends: 4116 [2024-11-22 15:27:40,112 INFO L226 Difference]: Without dead ends: 2369 [2024-11-22 15:27:40,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:27:40,121 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 0 mSDsluCounter, 3305 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:27:40,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4967 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:27:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2024-11-22 15:27:40,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2369. [2024-11-22 15:27:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 1726 states have (on average 1.3736964078794902) internal successors, (2371), 1795 states have internal predecessors, (2371), 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) [2024-11-22 15:27:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3398 transitions. [2024-11-22 15:27:40,288 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3398 transitions. Word has length 193 [2024-11-22 15:27:40,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:27:40,289 INFO L471 AbstractCegarLoop]: Abstraction has 2369 states and 3398 transitions. [2024-11-22 15:27:40,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-22 15:27:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3398 transitions. [2024-11-22 15:27:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-22 15:27:40,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:27:40,301 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:27:40,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 15:27:40,302 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:27:40,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:27:40,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1573606444, now seen corresponding path program 1 times [2024-11-22 15:27:40,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:27:40,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018329523] [2024-11-22 15:27:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:27:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:27:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-22 15:27:40,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:27:40,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018329523] [2024-11-22 15:27:40,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018329523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:27:40,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:27:40,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:27:40,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162942484] [2024-11-22 15:27:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:27:40,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:27:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:27:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:27:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:27:40,717 INFO L87 Difference]: Start difference. First operand 2369 states and 3398 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 15:27:40,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:27:40,866 INFO L93 Difference]: Finished difference Result 4120 states and 5931 transitions. [2024-11-22 15:27:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:27:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 201 [2024-11-22 15:27:40,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:27:40,890 INFO L225 Difference]: With dead ends: 4120 [2024-11-22 15:27:40,891 INFO L226 Difference]: Without dead ends: 2371 [2024-11-22 15:27:40,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:27:40,897 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 2 mSDsluCounter, 1647 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:27:40,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3309 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:27:40,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2024-11-22 15:27:40,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2371. [2024-11-22 15:27:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 1728 states have (on average 1.3732638888888888) internal successors, (2373), 1797 states have internal predecessors, (2373), 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) [2024-11-22 15:27:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 3400 transitions. [2024-11-22 15:27:41,004 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 3400 transitions. Word has length 201 [2024-11-22 15:27:41,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:27:41,004 INFO L471 AbstractCegarLoop]: Abstraction has 2371 states and 3400 transitions. [2024-11-22 15:27:41,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 15:27:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 3400 transitions. [2024-11-22 15:27:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-22 15:27:41,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:27:41,015 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:27:41,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 15:27:41,016 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:27:41,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:27:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash 954703604, now seen corresponding path program 1 times [2024-11-22 15:27:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:27:41,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583530719] [2024-11-22 15:27:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:27:41,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:27:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat