./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.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 2e2f48ab037d80d8f09964fc14a08b090a2ac957ba1c26211e43b888a860dc78 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:28:14,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:28:14,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:28:14,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:28:14,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:28:14,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:28:14,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:28:14,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:28:14,198 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:28:14,198 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:28:14,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:28:14,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:28:14,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:28:14,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:28:14,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:28:14,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:28:14,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:28:14,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:28:14,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:28:14,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:28:14,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:28:14,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:28:14,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:28:14,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:28:14,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:28:14,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:28:14,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:28:14,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:28:14,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:28:14,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:28:14,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:28:14,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:28:14,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:28:14,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:28:14,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:28:14,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:28:14,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:28:14,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:28:14,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:28:14,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2f48ab037d80d8f09964fc14a08b090a2ac957ba1c26211e43b888a860dc78 [2024-11-19 03:28:14,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:28:14,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:28:14,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:28:14,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:28:14,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:28:14,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:15,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:28:16,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:28:16,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:16,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd396e568/4b486a296cde4a4e97405cde3fab28a8/FLAGe5a97a9d4 [2024-11-19 03:28:16,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd396e568/4b486a296cde4a4e97405cde3fab28a8 [2024-11-19 03:28:16,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:28:16,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:28:16,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:28:16,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:28:16,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:28:16,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:16" (1/1) ... [2024-11-19 03:28:16,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4fca43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16, skipping insertion in model container [2024-11-19 03:28:16,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:16" (1/1) ... [2024-11-19 03:28:16,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:28:17,473 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-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2024-11-19 03:28:17,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:28:17,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:28:17,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4690] [2024-11-19 03:28:17,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4697] [2024-11-19 03:28:17,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4705-4706] [2024-11-19 03:28:17,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4714-4715] [2024-11-19 03:28:17,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4843] [2024-11-19 03:28:17,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4846] [2024-11-19 03:28:17,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4849] [2024-11-19 03:28:17,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4852] [2024-11-19 03:28:17,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5234] [2024-11-19 03:28:17,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5238] [2024-11-19 03:28:17,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5242] [2024-11-19 03:28:17,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5246] [2024-11-19 03:28:17,653 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"); [5257] [2024-11-19 03:28:17,653 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"); [5261] [2024-11-19 03:28:17,653 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"); [5265] [2024-11-19 03:28:17,654 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"); [5269] [2024-11-19 03:28:17,655 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"); [5280] [2024-11-19 03:28:17,655 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"); [5284] [2024-11-19 03:28:17,655 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"); [5288] [2024-11-19 03:28:17,657 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"); [5292] [2024-11-19 03:28:17,657 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"); [5303] [2024-11-19 03:28:17,657 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"); [5307] [2024-11-19 03:28:17,658 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"); [5311] [2024-11-19 03:28:17,658 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"); [5315] [2024-11-19 03:28:17,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5365] [2024-11-19 03:28:17,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5369] [2024-11-19 03:28:17,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5373] [2024-11-19 03:28:17,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5377] [2024-11-19 03:28:17,662 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"); [5388] [2024-11-19 03:28:17,662 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"); [5392] [2024-11-19 03:28:17,663 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"); [5396] [2024-11-19 03:28:17,663 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"); [5400] [2024-11-19 03:28:17,663 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"); [5411] [2024-11-19 03:28:17,663 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"); [5415] [2024-11-19 03:28:17,664 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"); [5419] [2024-11-19 03:28:17,664 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"); [5423] [2024-11-19 03:28:17,664 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"); [5434] [2024-11-19 03:28:17,665 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"); [5438] [2024-11-19 03:28:17,665 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"); [5442] [2024-11-19 03:28:17,665 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"); [5446] [2024-11-19 03:28:17,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5520] [2024-11-19 03:28:17,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5524] [2024-11-19 03:28:17,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5528] [2024-11-19 03:28:17,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5532] [2024-11-19 03:28:17,670 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"); [5543] [2024-11-19 03:28:17,670 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"); [5547] [2024-11-19 03:28:17,671 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"); [5551] [2024-11-19 03:28:17,671 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"); [5555] [2024-11-19 03:28:17,671 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"); [5566] [2024-11-19 03:28:17,671 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"); [5570] [2024-11-19 03:28:17,671 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"); [5574] [2024-11-19 03:28:17,672 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"); [5578] [2024-11-19 03:28:17,733 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"); [6518] [2024-11-19 03:28:17,734 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"); [6521] [2024-11-19 03:28:17,734 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"); [6524] [2024-11-19 03:28:17,734 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"); [6527] [2024-11-19 03:28:17,734 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"); [6530] [2024-11-19 03:28:17,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6543] [2024-11-19 03:28:17,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6546] [2024-11-19 03:28:17,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6549] [2024-11-19 03:28:17,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6552] [2024-11-19 03:28:17,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6555] [2024-11-19 03:28:17,737 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)); [6577] [2024-11-19 03:28:17,737 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)); [6580] [2024-11-19 03:28:17,738 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)); [6583] [2024-11-19 03:28:17,738 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)); [6586] [2024-11-19 03:28:17,739 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)); [6589] [2024-11-19 03:28:17,740 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"); [6622-6623] [2024-11-19 03:28:17,740 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"); [6626-6627] [2024-11-19 03:28:17,741 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"); [6630-6631] [2024-11-19 03:28:17,741 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"); [6634-6635] [2024-11-19 03:28:17,741 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"); [6638-6639] [2024-11-19 03:28:17,742 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)); [6652] [2024-11-19 03:28:17,743 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)); [6655] [2024-11-19 03:28:17,743 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)); [6658] [2024-11-19 03:28:17,743 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)); [6661] [2024-11-19 03:28:17,743 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)); [6664] [2024-11-19 03:28:17,745 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"); [6697-6698] [2024-11-19 03:28:17,745 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"); [6701-6702] [2024-11-19 03:28:17,745 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"); [6705-6706] [2024-11-19 03:28:17,746 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"); [6709-6710] [2024-11-19 03:28:17,746 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"); [6713-6714] [2024-11-19 03:28:17,775 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2024-11-19 03:28:17,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:28:17,965 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:28:17,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17 WrapperNode [2024-11-19 03:28:17,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:28:17,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:28:17,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:28:17,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:28:17,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,132 INFO L138 Inliner]: procedures = 186, calls = 884, calls flagged for inlining = 94, calls inlined = 92, statements flattened = 3484 [2024-11-19 03:28:18,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:28:18,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:28:18,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:28:18,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:28:18,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,475 INFO L175 MemorySlicer]: Split 434 memory accesses to 10 slices as follows [2, 3, 1, 16, 1, 36, 22, 2, 347, 4]. 80 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 5, 0]. The 182 writes are split as follows [0, 0, 0, 2, 1, 36, 22, 0, 120, 1]. [2024-11-19 03:28:18,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:28:18,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:28:18,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:28:18,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:28:18,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (1/1) ... [2024-11-19 03:28:18,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:28:18,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:18,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:28:18,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:28:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-11-19 03:28:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-11-19 03:28:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2024-11-19 03:28:18,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2024-11-19 03:28:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:28:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:28:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:28:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:28:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:28:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:28:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:28:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:28:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:28:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-19 03:28:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-19 03:28:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:28:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:28:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:28:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:28:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:28:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:28:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:28:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:28:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:28:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:28:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:28:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:28:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:28:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:28:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:28:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:28:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:28:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-19 03:28:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-19 03:28:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-19 03:28:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-19 03:28:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-19 03:28:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-19 03:28:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:28:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:28:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:28:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:28:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:28:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:28:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:28:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:28:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:28:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:28:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-19 03:28:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:28:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:28:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 03:28:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-19 03:28:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:28:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-19 03:28:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:28:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:28:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 03:28:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 03:28:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:28:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:28:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:28:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:28:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 03:28:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 03:28:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-19 03:28:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-19 03:28:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:28:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-19 03:28:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-19 03:28:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:28:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:28:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-19 03:28:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-19 03:28:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-19 03:28:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-19 03:28:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:28:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 03:28:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 03:28:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-19 03:28:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:28:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:28:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-19 03:28:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-19 03:28:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2024-11-19 03:28:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2024-11-19 03:28:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-19 03:28:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-19 03:28:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2024-11-19 03:28:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:28:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-19 03:28:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2024-11-19 03:28:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2024-11-19 03:28:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:28:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:28:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-19 03:28:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-19 03:28:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-19 03:28:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:28:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:28:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-19 03:28:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-19 03:28:18,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-19 03:28:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-19 03:28:19,213 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:28:19,221 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:28:19,369 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:28:26,012 INFO L? ?]: Removed 1552 outVars from TransFormulas that were not future-live. [2024-11-19 03:28:26,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:28:26,054 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:28:26,055 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 03:28:26,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:26 BoogieIcfgContainer [2024-11-19 03:28:26,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:28:26,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:28:26,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:28:26,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:28:26,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:28:16" (1/3) ... [2024-11-19 03:28:26,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723b920e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:28:26, skipping insertion in model container [2024-11-19 03:28:26,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:17" (2/3) ... [2024-11-19 03:28:26,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723b920e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:28:26, skipping insertion in model container [2024-11-19 03:28:26,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:26" (3/3) ... [2024-11-19 03:28:26,064 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:26,079 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:28:26,079 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:28:26,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:28:26,167 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;@13b96b84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:28:26,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:28:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 1203 states, 884 states have (on average 1.418552036199095) internal successors, (1254), 927 states have internal predecessors, (1254), 263 states have call successors, (263), 55 states have call predecessors, (263), 54 states have return successors, (258), 256 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-19 03:28:26,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-19 03:28:26,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:26,192 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-19 03:28:26,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:26,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:26,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1804772135, now seen corresponding path program 1 times [2024-11-19 03:28:26,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:26,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928911273] [2024-11-19 03:28:26,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:26,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-19 03:28:27,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:27,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928911273] [2024-11-19 03:28:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928911273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:28:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773248850] [2024-11-19 03:28:27,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:27,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:27,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:27,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:28:27,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:28:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:27,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:28:27,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:28:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-19 03:28:27,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:28:27,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773248850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:27,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:28:27,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:28:27,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333567920] [2024-11-19 03:28:27,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:27,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:28:27,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:28,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:28:28,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:28:28,025 INFO L87 Difference]: Start difference. First operand has 1203 states, 884 states have (on average 1.418552036199095) internal successors, (1254), 927 states have internal predecessors, (1254), 263 states have call successors, (263), 55 states have call predecessors, (263), 54 states have return successors, (258), 256 states have call predecessors, (258), 258 states have call successors, (258) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 03:28:28,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:28,141 INFO L93 Difference]: Finished difference Result 2402 states and 3571 transitions. [2024-11-19 03:28:28,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:28:28,143 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-11-19 03:28:28,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:28,166 INFO L225 Difference]: With dead ends: 2402 [2024-11-19 03:28:28,170 INFO L226 Difference]: Without dead ends: 1157 [2024-11-19 03:28:28,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:28:28,189 INFO L432 NwaCegarLoop]: 1771 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:28,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1771 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:28,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-11-19 03:28:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1157. [2024-11-19 03:28:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 853 states have (on average 1.41031652989449) internal successors, (1203), 888 states have internal predecessors, (1203), 249 states have call successors, (249), 54 states have call predecessors, (249), 54 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-19 03:28:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1701 transitions. [2024-11-19 03:28:28,283 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1701 transitions. Word has length 161 [2024-11-19 03:28:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:28,284 INFO L471 AbstractCegarLoop]: Abstraction has 1157 states and 1701 transitions. [2024-11-19 03:28:28,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 03:28:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1701 transitions. [2024-11-19 03:28:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-19 03:28:28,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:28,289 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-19 03:28:28,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:28:28,493 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,SelfDestructingSolverStorable0 [2024-11-19 03:28:28,494 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:28,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:28,495 INFO L85 PathProgramCache]: Analyzing trace with hash 871397647, now seen corresponding path program 1 times [2024-11-19 03:28:28,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:28,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838956362] [2024-11-19 03:28:28,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:28,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-19 03:28:29,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:29,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838956362] [2024-11-19 03:28:29,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838956362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:29,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:29,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:29,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654616219] [2024-11-19 03:28:29,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:29,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:29,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:29,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:29,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:29,042 INFO L87 Difference]: Start difference. First operand 1157 states and 1701 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-19 03:28:29,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:29,192 INFO L93 Difference]: Finished difference Result 2892 states and 4217 transitions. [2024-11-19 03:28:29,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:29,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 161 [2024-11-19 03:28:29,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:29,210 INFO L225 Difference]: With dead ends: 2892 [2024-11-19 03:28:29,211 INFO L226 Difference]: Without dead ends: 1771 [2024-11-19 03:28:29,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:29,216 INFO L432 NwaCegarLoop]: 1720 mSDtfsCounter, 906 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 3338 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:29,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 3338 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:29,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2024-11-19 03:28:29,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1771. [2024-11-19 03:28:29,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1291 states have (on average 1.3919442292796282) internal successors, (1797), 1342 states have internal predecessors, (1797), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-19 03:28:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2565 transitions. [2024-11-19 03:28:29,303 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2565 transitions. Word has length 161 [2024-11-19 03:28:29,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:29,305 INFO L471 AbstractCegarLoop]: Abstraction has 1771 states and 2565 transitions. [2024-11-19 03:28:29,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-19 03:28:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2565 transitions. [2024-11-19 03:28:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-19 03:28:29,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:29,313 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:29,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:28:29,313 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:29,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:29,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1052986948, now seen corresponding path program 1 times [2024-11-19 03:28:29,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:29,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915816087] [2024-11-19 03:28:29,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:29,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-19 03:28:30,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:30,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915816087] [2024-11-19 03:28:30,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915816087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:30,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:30,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:30,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100943074] [2024-11-19 03:28:30,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:30,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:30,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:30,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:30,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:30,290 INFO L87 Difference]: Start difference. First operand 1771 states and 2565 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-19 03:28:30,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:30,351 INFO L93 Difference]: Finished difference Result 1775 states and 2569 transitions. [2024-11-19 03:28:30,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:30,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 241 [2024-11-19 03:28:30,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:30,364 INFO L225 Difference]: With dead ends: 1775 [2024-11-19 03:28:30,365 INFO L226 Difference]: Without dead ends: 1773 [2024-11-19 03:28:30,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:30,368 INFO L432 NwaCegarLoop]: 1699 mSDtfsCounter, 0 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5090 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:30,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5090 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:30,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2024-11-19 03:28:30,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1773. [2024-11-19 03:28:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1773 states, 1293 states have (on average 1.391337973704563) internal successors, (1799), 1344 states have internal predecessors, (1799), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-19 03:28:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2567 transitions. [2024-11-19 03:28:30,432 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2567 transitions. Word has length 241 [2024-11-19 03:28:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:30,434 INFO L471 AbstractCegarLoop]: Abstraction has 1773 states and 2567 transitions. [2024-11-19 03:28:30,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-19 03:28:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2567 transitions. [2024-11-19 03:28:30,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-19 03:28:30,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:30,440 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:30,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:28:30,441 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:30,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:30,441 INFO L85 PathProgramCache]: Analyzing trace with hash -570663719, now seen corresponding path program 1 times [2024-11-19 03:28:30,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:30,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145616432] [2024-11-19 03:28:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-19 03:28:31,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:31,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145616432] [2024-11-19 03:28:31,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145616432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:31,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:31,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:31,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876284187] [2024-11-19 03:28:31,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:31,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:31,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:31,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:31,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:31,040 INFO L87 Difference]: Start difference. First operand 1773 states and 2567 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-19 03:28:35,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:36,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:36,309 INFO L93 Difference]: Finished difference Result 3511 states and 5091 transitions. [2024-11-19 03:28:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:36,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 251 [2024-11-19 03:28:36,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:36,322 INFO L225 Difference]: With dead ends: 3511 [2024-11-19 03:28:36,322 INFO L226 Difference]: Without dead ends: 1784 [2024-11-19 03:28:36,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:36,330 INFO L432 NwaCegarLoop]: 1689 mSDtfsCounter, 1637 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:36,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 2878 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 520 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-19 03:28:36,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2024-11-19 03:28:36,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1774. [2024-11-19 03:28:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1774 states, 1294 states have (on average 1.3894899536321483) internal successors, (1798), 1345 states have internal predecessors, (1798), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-19 03:28:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2566 transitions. [2024-11-19 03:28:36,404 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2566 transitions. Word has length 251 [2024-11-19 03:28:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:36,405 INFO L471 AbstractCegarLoop]: Abstraction has 1774 states and 2566 transitions. [2024-11-19 03:28:36,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-19 03:28:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2566 transitions. [2024-11-19 03:28:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-19 03:28:36,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:36,411 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:36,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:28:36,412 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:36,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:36,412 INFO L85 PathProgramCache]: Analyzing trace with hash 249993626, now seen corresponding path program 1 times [2024-11-19 03:28:36,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:36,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36092598] [2024-11-19 03:28:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:36,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-19 03:28:37,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:37,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36092598] [2024-11-19 03:28:37,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36092598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:37,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:37,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:28:37,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677019438] [2024-11-19 03:28:37,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:37,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:28:37,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:37,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:28:37,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:28:37,066 INFO L87 Difference]: Start difference. First operand 1774 states and 2566 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-19 03:28:37,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:37,235 INFO L93 Difference]: Finished difference Result 1791 states and 2589 transitions. [2024-11-19 03:28:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:28:37,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 253 [2024-11-19 03:28:37,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:37,256 INFO L225 Difference]: With dead ends: 1791 [2024-11-19 03:28:37,257 INFO L226 Difference]: Without dead ends: 1789 [2024-11-19 03:28:37,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:28:37,261 INFO L432 NwaCegarLoop]: 1700 mSDtfsCounter, 120 mSDsluCounter, 4937 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:37,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 6637 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:37,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2024-11-19 03:28:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1776. [2024-11-19 03:28:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1295 states have (on average 1.3891891891891892) internal successors, (1799), 1345 states have internal predecessors, (1799), 385 states have call successors, (385), 95 states have call predecessors, (385), 95 states have return successors, (385), 382 states have call predecessors, (385), 385 states have call successors, (385) [2024-11-19 03:28:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2569 transitions. [2024-11-19 03:28:37,439 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2569 transitions. Word has length 253 [2024-11-19 03:28:37,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:37,444 INFO L471 AbstractCegarLoop]: Abstraction has 1776 states and 2569 transitions. [2024-11-19 03:28:37,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-19 03:28:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2569 transitions. [2024-11-19 03:28:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-19 03:28:37,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:37,461 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:37,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:28:37,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:37,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:37,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1459059726, now seen corresponding path program 1 times [2024-11-19 03:28:37,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:37,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738130801] [2024-11-19 03:28:37,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:37,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-11-19 03:28:38,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:38,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738130801] [2024-11-19 03:28:38,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738130801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:38,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:38,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:38,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117125766] [2024-11-19 03:28:38,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:38,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:38,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:38,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:38,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:38,139 INFO L87 Difference]: Start difference. First operand 1776 states and 2569 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:28:42,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:42,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:42,440 INFO L93 Difference]: Finished difference Result 5192 states and 7519 transitions. [2024-11-19 03:28:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:42,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 285 [2024-11-19 03:28:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:42,465 INFO L225 Difference]: With dead ends: 5192 [2024-11-19 03:28:42,466 INFO L226 Difference]: Without dead ends: 3462 [2024-11-19 03:28:42,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:42,476 INFO L432 NwaCegarLoop]: 2519 mSDtfsCounter, 1607 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 4163 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:42,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 4163 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:28:42,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2024-11-19 03:28:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 3456. [2024-11-19 03:28:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3456 states, 2526 states have (on average 1.393507521773555) internal successors, (3520), 2626 states have internal predecessors, (3520), 742 states have call successors, (742), 187 states have call predecessors, (742), 187 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2024-11-19 03:28:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3456 states and 5004 transitions. [2024-11-19 03:28:42,671 INFO L78 Accepts]: Start accepts. Automaton has 3456 states and 5004 transitions. Word has length 285 [2024-11-19 03:28:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:42,672 INFO L471 AbstractCegarLoop]: Abstraction has 3456 states and 5004 transitions. [2024-11-19 03:28:42,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:28:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3456 states and 5004 transitions. [2024-11-19 03:28:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-19 03:28:42,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:42,690 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:42,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:28:42,690 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:42,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash 252934508, now seen corresponding path program 1 times [2024-11-19 03:28:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985151586] [2024-11-19 03:28:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-19 03:28:43,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:43,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985151586] [2024-11-19 03:28:43,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985151586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:43,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:43,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:43,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917029890] [2024-11-19 03:28:43,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:43,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:43,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:43,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:43,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:43,277 INFO L87 Difference]: Start difference. First operand 3456 states and 5004 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-19 03:28:47,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:47,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:47,471 INFO L93 Difference]: Finished difference Result 5783 states and 8351 transitions. [2024-11-19 03:28:47,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:47,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 287 [2024-11-19 03:28:47,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:47,486 INFO L225 Difference]: With dead ends: 5783 [2024-11-19 03:28:47,487 INFO L226 Difference]: Without dead ends: 2362 [2024-11-19 03:28:47,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:47,499 INFO L432 NwaCegarLoop]: 1699 mSDtfsCounter, 0 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5088 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:47,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5088 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-19 03:28:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2024-11-19 03:28:47,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2024-11-19 03:28:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 1714 states have (on average 1.38098016336056) internal successors, (2367), 1780 states have internal predecessors, (2367), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-11-19 03:28:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 3393 transitions. [2024-11-19 03:28:47,617 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 3393 transitions. Word has length 287 [2024-11-19 03:28:47,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:47,617 INFO L471 AbstractCegarLoop]: Abstraction has 2362 states and 3393 transitions. [2024-11-19 03:28:47,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-19 03:28:47,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 3393 transitions. [2024-11-19 03:28:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-19 03:28:47,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:47,630 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:47,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:28:47,631 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:47,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:47,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2090849768, now seen corresponding path program 1 times [2024-11-19 03:28:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:47,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154616080] [2024-11-19 03:28:47,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-19 03:28:48,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:48,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154616080] [2024-11-19 03:28:48,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154616080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:48,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:48,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:48,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961843762] [2024-11-19 03:28:48,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:48,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:48,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:48,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:48,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:48,300 INFO L87 Difference]: Start difference. First operand 2362 states and 3393 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:28:52,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:53,534 INFO L93 Difference]: Finished difference Result 4115 states and 5934 transitions. [2024-11-19 03:28:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:53,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 287 [2024-11-19 03:28:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:53,548 INFO L225 Difference]: With dead ends: 4115 [2024-11-19 03:28:53,548 INFO L226 Difference]: Without dead ends: 2389 [2024-11-19 03:28:53,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:53,556 INFO L432 NwaCegarLoop]: 1689 mSDtfsCounter, 1655 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:53,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 2871 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 533 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-19 03:28:53,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2024-11-19 03:28:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2366. [2024-11-19 03:28:53,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 1718 states have (on average 1.3806752037252619) internal successors, (2372), 1784 states have internal predecessors, (2372), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-11-19 03:28:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3398 transitions. [2024-11-19 03:28:53,669 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3398 transitions. Word has length 287 [2024-11-19 03:28:53,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:53,669 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3398 transitions. [2024-11-19 03:28:53,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:28:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3398 transitions. [2024-11-19 03:28:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-19 03:28:53,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:53,680 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:53,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:28:53,680 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:53,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1638289038, now seen corresponding path program 1 times [2024-11-19 03:28:53,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:53,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949351623] [2024-11-19 03:28:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:53,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-19 03:28:54,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:54,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949351623] [2024-11-19 03:28:54,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949351623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:54,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:54,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:54,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725428158] [2024-11-19 03:28:54,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:54,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:54,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:54,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:54,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:54,130 INFO L87 Difference]: Start difference. First operand 2366 states and 3398 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:28:54,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:54,240 INFO L93 Difference]: Finished difference Result 4686 states and 6768 transitions. [2024-11-19 03:28:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:54,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 290 [2024-11-19 03:28:54,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:54,256 INFO L225 Difference]: With dead ends: 4686 [2024-11-19 03:28:54,256 INFO L226 Difference]: Without dead ends: 2366 [2024-11-19 03:28:54,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:54,267 INFO L432 NwaCegarLoop]: 1689 mSDtfsCounter, 0 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3372 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:54,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3372 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:54,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2024-11-19 03:28:54,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2366. [2024-11-19 03:28:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 1718 states have (on average 1.3754365541327125) internal successors, (2363), 1784 states have internal predecessors, (2363), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-11-19 03:28:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3389 transitions. [2024-11-19 03:28:54,392 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3389 transitions. Word has length 290 [2024-11-19 03:28:54,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:54,392 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3389 transitions. [2024-11-19 03:28:54,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:28:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3389 transitions. [2024-11-19 03:28:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-19 03:28:54,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:54,407 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:54,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:28:54,407 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:54,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash 584798877, now seen corresponding path program 1 times [2024-11-19 03:28:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417623139] [2024-11-19 03:28:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-19 03:28:55,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417623139] [2024-11-19 03:28:55,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417623139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:28:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814304695] [2024-11-19 03:28:55,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:55,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:55,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:55,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:28:55,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:28:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:56,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 03:28:56,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:28:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-19 03:28:56,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:28:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-19 03:28:57,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814304695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:28:57,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:28:57,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2024-11-19 03:28:57,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512050228] [2024-11-19 03:28:57,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:28:57,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 03:28:57,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:57,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 03:28:57,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:28:57,213 INFO L87 Difference]: Start difference. First operand 2366 states and 3389 transitions. Second operand has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2024-11-19 03:29:01,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:05,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:09,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:13,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:17,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:21,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:22,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:22,752 INFO L93 Difference]: Finished difference Result 4176 states and 6009 transitions. [2024-11-19 03:29:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:29:22,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 293 [2024-11-19 03:29:22,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:22,767 INFO L225 Difference]: With dead ends: 4176 [2024-11-19 03:29:22,768 INFO L226 Difference]: Without dead ends: 2446 [2024-11-19 03:29:22,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-19 03:29:22,776 INFO L432 NwaCegarLoop]: 1688 mSDtfsCounter, 1795 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 63 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:22,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 2916 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 574 Invalid, 6 Unknown, 0 Unchecked, 25.3s Time] [2024-11-19 03:29:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2024-11-19 03:29:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2373. [2024-11-19 03:29:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 1725 states have (on average 1.375072463768116) internal successors, (2372), 1791 states have internal predecessors, (2372), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-11-19 03:29:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3398 transitions. [2024-11-19 03:29:22,882 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3398 transitions. Word has length 293 [2024-11-19 03:29:22,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:22,883 INFO L471 AbstractCegarLoop]: Abstraction has 2373 states and 3398 transitions. [2024-11-19 03:29:22,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2024-11-19 03:29:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3398 transitions. [2024-11-19 03:29:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-19 03:29:22,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:22,894 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:22,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 03:29:23,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 03:29:23,095 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:23,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:23,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1031869191, now seen corresponding path program 1 times [2024-11-19 03:29:23,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:23,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832758933] [2024-11-19 03:29:23,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:23,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-19 03:29:24,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:24,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832758933] [2024-11-19 03:29:24,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832758933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:24,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256629268] [2024-11-19 03:29:24,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:24,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:24,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:24,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:24,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 03:29:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:25,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 2189 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 03:29:25,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:25,882 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-19 03:29:25,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:29:25,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256629268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:25,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:29:25,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 03:29:25,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516933912] [2024-11-19 03:29:25,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:25,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:29:25,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:25,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:29:25,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:29:25,884 INFO L87 Difference]: Start difference. First operand 2373 states and 3398 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:29:25,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:25,965 INFO L93 Difference]: Finished difference Result 4127 states and 5924 transitions. [2024-11-19 03:29:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:29:25,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 303 [2024-11-19 03:29:25,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:25,978 INFO L225 Difference]: With dead ends: 4127 [2024-11-19 03:29:25,979 INFO L226 Difference]: Without dead ends: 2373 [2024-11-19 03:29:25,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:29:25,985 INFO L432 NwaCegarLoop]: 1689 mSDtfsCounter, 2 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3375 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:25,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3375 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:29:25,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2024-11-19 03:29:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2373. [2024-11-19 03:29:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 1725 states have (on average 1.3733333333333333) internal successors, (2369), 1791 states have internal predecessors, (2369), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-11-19 03:29:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3395 transitions. [2024-11-19 03:29:26,075 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3395 transitions. Word has length 303 [2024-11-19 03:29:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:26,076 INFO L471 AbstractCegarLoop]: Abstraction has 2373 states and 3395 transitions. [2024-11-19 03:29:26,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:29:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3395 transitions. [2024-11-19 03:29:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-19 03:29:26,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:26,086 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:26,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 03:29:26,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:26,287 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:26,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1854661212, now seen corresponding path program 1 times [2024-11-19 03:29:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:26,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931328513] [2024-11-19 03:29:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:26,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-19 03:29:27,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:27,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931328513] [2024-11-19 03:29:27,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931328513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:27,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224246676] [2024-11-19 03:29:27,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:27,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:27,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:27,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:27,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 03:29:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:29,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-19 03:29:29,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-19 03:29:29,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:29:29,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224246676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:29,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:29:29,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 9 [2024-11-19 03:29:29,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438116863] [2024-11-19 03:29:29,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:29,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 03:29:29,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:29,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 03:29:29,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 03:29:29,212 INFO L87 Difference]: Start difference. First operand 2373 states and 3395 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 7 states have internal predecessors, (144), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:29:29,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:29,478 INFO L93 Difference]: Finished difference Result 4138 states and 5946 transitions. [2024-11-19 03:29:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 03:29:29,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 7 states have internal predecessors, (144), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 305 [2024-11-19 03:29:29,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:29,502 INFO L225 Difference]: With dead ends: 4138 [2024-11-19 03:29:29,503 INFO L226 Difference]: Without dead ends: 2393 [2024-11-19 03:29:29,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-19 03:29:29,515 INFO L432 NwaCegarLoop]: 1716 mSDtfsCounter, 893 mSDsluCounter, 11919 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 13635 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 [2024-11-19 03:29:29,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 13635 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:29:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2024-11-19 03:29:29,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2391. [2024-11-19 03:29:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2391 states, 1737 states have (on average 1.3707541738629823) internal successors, (2381), 1806 states have internal predecessors, (2381), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 511 states have call predecessors, (533), 513 states have call successors, (533) [2024-11-19 03:29:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3427 transitions. [2024-11-19 03:29:29,623 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3427 transitions. Word has length 305 [2024-11-19 03:29:29,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:29,624 INFO L471 AbstractCegarLoop]: Abstraction has 2391 states and 3427 transitions. [2024-11-19 03:29:29,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 7 states have internal predecessors, (144), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:29:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3427 transitions. [2024-11-19 03:29:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-19 03:29:29,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:29,634 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:29,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 03:29:29,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:29,840 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:29,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:29,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1839867716, now seen corresponding path program 1 times [2024-11-19 03:29:29,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:29,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777208389] [2024-11-19 03:29:29,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:29,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-11-19 03:29:30,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:30,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777208389] [2024-11-19 03:29:30,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777208389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:30,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:30,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:29:30,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106707053] [2024-11-19 03:29:30,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:30,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:29:30,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:30,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:29:30,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:29:30,623 INFO L87 Difference]: Start difference. First operand 2391 states and 3427 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 03:29:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:30,743 INFO L93 Difference]: Finished difference Result 4142 states and 5958 transitions. [2024-11-19 03:29:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:29:30,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 311 [2024-11-19 03:29:30,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:30,756 INFO L225 Difference]: With dead ends: 4142 [2024-11-19 03:29:30,756 INFO L226 Difference]: Without dead ends: 2393 [2024-11-19 03:29:30,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:29:30,763 INFO L432 NwaCegarLoop]: 1689 mSDtfsCounter, 0 mSDsluCounter, 3359 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5048 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:30,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5048 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:29:30,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2024-11-19 03:29:30,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2393. [2024-11-19 03:29:30,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2393 states, 1739 states have (on average 1.3703277745830937) internal successors, (2383), 1808 states have internal predecessors, (2383), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 511 states have call predecessors, (533), 513 states have call successors, (533) [2024-11-19 03:29:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3429 transitions. [2024-11-19 03:29:30,847 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3429 transitions. Word has length 311 [2024-11-19 03:29:30,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:30,848 INFO L471 AbstractCegarLoop]: Abstraction has 2393 states and 3429 transitions. [2024-11-19 03:29:30,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 03:29:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3429 transitions. [2024-11-19 03:29:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-19 03:29:30,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:30,856 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:30,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 03:29:30,857 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:30,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:30,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1455650034, now seen corresponding path program 1 times [2024-11-19 03:29:30,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:30,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144010489] [2024-11-19 03:29:30,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2024-11-19 03:29:31,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:31,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144010489] [2024-11-19 03:29:31,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144010489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:31,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:31,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:29:31,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662772757] [2024-11-19 03:29:31,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:31,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:29:31,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:31,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:29:31,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:31,345 INFO L87 Difference]: Start difference. First operand 2393 states and 3429 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:29:31,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:31,444 INFO L93 Difference]: Finished difference Result 4146 states and 5963 transitions. [2024-11-19 03:29:31,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:29:31,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 319 [2024-11-19 03:29:31,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:31,456 INFO L225 Difference]: With dead ends: 4146 [2024-11-19 03:29:31,457 INFO L226 Difference]: Without dead ends: 2395 [2024-11-19 03:29:31,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:31,462 INFO L432 NwaCegarLoop]: 1689 mSDtfsCounter, 2 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3363 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:31,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3363 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:29:31,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2024-11-19 03:29:31,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2395. [2024-11-19 03:29:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 1741 states have (on average 1.369902354968409) internal successors, (2385), 1810 states have internal predecessors, (2385), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 511 states have call predecessors, (533), 513 states have call successors, (533) [2024-11-19 03:29:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 3431 transitions. [2024-11-19 03:29:31,547 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 3431 transitions. Word has length 319 [2024-11-19 03:29:31,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:31,547 INFO L471 AbstractCegarLoop]: Abstraction has 2395 states and 3431 transitions. [2024-11-19 03:29:31,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:29:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 3431 transitions. [2024-11-19 03:29:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-19 03:29:31,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:31,555 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:31,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 03:29:31,556 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:31,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:31,556 INFO L85 PathProgramCache]: Analyzing trace with hash 491267044, now seen corresponding path program 1 times [2024-11-19 03:29:31,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:31,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374452136] [2024-11-19 03:29:31,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:31,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:32,528 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-11-19 03:29:32,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:32,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374452136] [2024-11-19 03:29:32,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374452136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:32,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:32,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:29:32,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810605296] [2024-11-19 03:29:32,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:32,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:29:32,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:32,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:29:32,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:29:32,531 INFO L87 Difference]: Start difference. First operand 2395 states and 3431 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:29:32,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:32,659 INFO L93 Difference]: Finished difference Result 4152 states and 5968 transitions. [2024-11-19 03:29:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:29:32,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 328 [2024-11-19 03:29:32,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:32,675 INFO L225 Difference]: With dead ends: 4152 [2024-11-19 03:29:32,675 INFO L226 Difference]: Without dead ends: 2399 [2024-11-19 03:29:32,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:29:32,683 INFO L432 NwaCegarLoop]: 1689 mSDtfsCounter, 2 mSDsluCounter, 6737 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8426 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:32,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8426 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:29:32,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2399 states. [2024-11-19 03:29:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2399 to 2398. [2024-11-19 03:29:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 1744 states have (on average 1.3692660550458715) internal successors, (2388), 1812 states have internal predecessors, (2388), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 512 states have call predecessors, (533), 513 states have call successors, (533) [2024-11-19 03:29:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 3434 transitions. [2024-11-19 03:29:32,763 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 3434 transitions. Word has length 328 [2024-11-19 03:29:32,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:32,763 INFO L471 AbstractCegarLoop]: Abstraction has 2398 states and 3434 transitions. [2024-11-19 03:29:32,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:29:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 3434 transitions. [2024-11-19 03:29:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-19 03:29:32,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:32,773 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:32,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 03:29:32,773 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:32,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:32,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2004613052, now seen corresponding path program 2 times [2024-11-19 03:29:32,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:32,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078194366] [2024-11-19 03:29:32,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:29:32,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:33,739 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 03:29:33,739 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 03:29:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-19 03:29:34,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:34,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078194366] [2024-11-19 03:29:34,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078194366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:34,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33859909] [2024-11-19 03:29:34,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:29:34,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:34,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:34,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process