./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.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 992655552ae218ee7e8c394eee3a8415ead8a3964b9945bcb1a5e6ecd929382d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:53:34,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:53:34,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:53:34,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:53:34,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:53:34,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:53:34,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:53:34,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:53:34,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:53:34,335 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:53:34,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:53:34,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:53:34,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:53:34,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:53:34,337 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:53:34,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:53:34,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:53:34,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:53:34,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:53:34,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:53:34,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:53:34,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:53:34,341 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:53:34,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:53:34,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:53:34,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:53:34,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:53:34,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:53:34,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:53:34,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:53:34,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:53:34,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:53:34,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:53:34,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:53:34,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:53:34,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:53:34,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:53:34,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:53:34,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:53:34,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992655552ae218ee7e8c394eee3a8415ead8a3964b9945bcb1a5e6ecd929382d [2024-11-20 10:53:34,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:53:34,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:53:34,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:53:34,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:53:34,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:53:34,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2024-11-20 10:53:36,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:53:36,584 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:53:36,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2024-11-20 10:53:36,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c56296b/1458d0afb952486b8c0d22491afb36a2/FLAGfbebd3261 [2024-11-20 10:53:36,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c56296b/1458d0afb952486b8c0d22491afb36a2 [2024-11-20 10:53:36,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:53:36,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:53:36,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:53:36,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:53:36,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:53:36,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:36" (1/1) ... [2024-11-20 10:53:36,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82f1ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:36, skipping insertion in model container [2024-11-20 10:53:36,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:36" (1/1) ... [2024-11-20 10:53:36,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:53:38,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i[202834,202847] [2024-11-20 10:53:38,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:53:38,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:53:38,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4703] [2024-11-20 10:53:38,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4710] [2024-11-20 10:53:38,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4718-4719] [2024-11-20 10:53:38,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4727-4728] [2024-11-20 10:53:38,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4750] [2024-11-20 10:53:38,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4753] [2024-11-20 10:53:38,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4756] [2024-11-20 10:53:38,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4759] [2024-11-20 10:53:38,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5123] [2024-11-20 10:53:38,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5127] [2024-11-20 10:53:38,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5131] [2024-11-20 10:53:38,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5135] [2024-11-20 10:53:38,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5146] [2024-11-20 10:53:38,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5150] [2024-11-20 10:53:38,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5154] [2024-11-20 10:53:38,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5158] [2024-11-20 10:53:38,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5169] [2024-11-20 10:53:38,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5173] [2024-11-20 10:53:38,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5177] [2024-11-20 10:53:38,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5181] [2024-11-20 10:53:38,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5192] [2024-11-20 10:53:38,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5196] [2024-11-20 10:53:38,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5200] [2024-11-20 10:53:38,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5204] [2024-11-20 10:53:38,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5254] [2024-11-20 10:53:38,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5258] [2024-11-20 10:53:38,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5262] [2024-11-20 10:53:38,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5266] [2024-11-20 10:53:38,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5277] [2024-11-20 10:53:38,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5281] [2024-11-20 10:53:38,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5285] [2024-11-20 10:53:38,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5289] [2024-11-20 10:53:38,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5300] [2024-11-20 10:53:38,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5304] [2024-11-20 10:53:38,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5308] [2024-11-20 10:53:38,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5312] [2024-11-20 10:53:38,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5323] [2024-11-20 10:53:38,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5327] [2024-11-20 10:53:38,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5331] [2024-11-20 10:53:38,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5335] [2024-11-20 10:53:38,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5409] [2024-11-20 10:53:38,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5413] [2024-11-20 10:53:38,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5417] [2024-11-20 10:53:38,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5421] [2024-11-20 10:53:38,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5432] [2024-11-20 10:53:38,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5436] [2024-11-20 10:53:38,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5440] [2024-11-20 10:53:38,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5444] [2024-11-20 10:53:38,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5455] [2024-11-20 10:53:38,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5459] [2024-11-20 10:53:38,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5463] [2024-11-20 10:53:38,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5467] [2024-11-20 10:53:38,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6408] [2024-11-20 10:53:38,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6411] [2024-11-20 10:53:38,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6414] [2024-11-20 10:53:38,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6417] [2024-11-20 10:53:38,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6420] [2024-11-20 10:53:38,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6433] [2024-11-20 10:53:38,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6436] [2024-11-20 10:53:38,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6439] [2024-11-20 10:53:38,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6442] [2024-11-20 10:53:38,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6445] [2024-11-20 10:53:38,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6467] [2024-11-20 10:53:38,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6470] [2024-11-20 10:53:38,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6473] [2024-11-20 10:53:38,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6476] [2024-11-20 10:53:38,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6479] [2024-11-20 10:53:38,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6512-6513] [2024-11-20 10:53:38,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6516-6517] [2024-11-20 10:53:38,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6520-6521] [2024-11-20 10:53:38,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6524-6525] [2024-11-20 10:53:38,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6528-6529] [2024-11-20 10:53:38,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6542] [2024-11-20 10:53:38,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6545] [2024-11-20 10:53:38,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6548] [2024-11-20 10:53:38,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6551] [2024-11-20 10:53:38,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6554] [2024-11-20 10:53:38,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6587-6588] [2024-11-20 10:53:38,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6591-6592] [2024-11-20 10:53:38,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6595-6596] [2024-11-20 10:53:38,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6599-6600] [2024-11-20 10:53:38,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6603-6604] [2024-11-20 10:53:38,348 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i[202834,202847] [2024-11-20 10:53:38,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:53:38,512 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:53:38,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38 WrapperNode [2024-11-20 10:53:38,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:53:38,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:53:38,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:53:38,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:53:38,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:38,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:38,695 INFO L138 Inliner]: procedures = 156, calls = 821, calls flagged for inlining = 81, calls inlined = 80, statements flattened = 3046 [2024-11-20 10:53:38,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:53:38,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:53:38,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:53:38,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:53:38,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:38,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:38,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,119 INFO L175 MemorySlicer]: Split 418 memory accesses to 11 slices as follows [2, 1, 3, 1, 4, 36, 334, 12, 22, 2, 1]. 80 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0]. The 177 writes are split as follows [0, 0, 0, 0, 1, 36, 105, 12, 22, 0, 1]. [2024-11-20 10:53:39,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:53:39,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:53:39,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:53:39,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:53:39,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (1/1) ... [2024-11-20 10:53:39,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:53:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:53:39,315 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) [2024-11-20 10:53:39,321 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 [2024-11-20 10:53:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:53:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:53:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:53:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:53:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:53:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:53:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:53:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 10:53:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 10:53:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 10:53:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 10:53:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-20 10:53:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-20 10:53:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-20 10:53:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-20 10:53:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-20 10:53:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-20 10:53:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-20 10:53:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-20 10:53:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-20 10:53:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 10:53:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-20 10:53:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-20 10:53:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-20 10:53:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-20 10:53:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-20 10:53:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-20 10:53:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-20 10:53:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-20 10:53:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-20 10:53:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-20 10:53:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-20 10:53:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-20 10:53:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-20 10:53:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-20 10:53:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-20 10:53:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-20 10:53:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-20 10:53:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-20 10:53:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-20 10:53:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-20 10:53:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-20 10:53:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-20 10:53:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-20 10:53:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-20 10:53:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2024-11-20 10:53:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2024-11-20 10:53:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-20 10:53:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-20 10:53:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-20 10:53:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-20 10:53:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-20 10:53:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:53:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 10:53:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 10:53:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 10:53:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 10:53:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-20 10:53:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-20 10:53:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-20 10:53:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-20 10:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-20 10:53:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-20 10:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-20 10:53:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-20 10:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-20 10:53:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-20 10:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-20 10:53:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-20 10:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-20 10:53:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-20 10:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-20 10:53:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-20 10:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-20 10:53:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-20 10:53:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:53:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-20 10:53:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:53:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:53:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 10:53:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 10:53:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 10:53:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 10:53:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-20 10:53:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-20 10:53:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-20 10:53:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-20 10:53:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-20 10:53:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-20 10:53:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-20 10:53:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-20 10:53:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-20 10:53:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-20 10:53:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:53:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-20 10:53:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-20 10:53:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-20 10:53:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-20 10:53:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-20 10:53:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-20 10:53:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-20 10:53:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-20 10:53:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 10:53:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 10:53:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-20 10:53:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-20 10:53:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-20 10:53:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-20 10:53:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-20 10:53:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-20 10:53:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-20 10:53:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-20 10:53:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:53:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:53:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 10:53:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 10:53:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 10:53:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 10:53:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-20 10:53:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-20 10:53:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-20 10:53:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-20 10:53:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-20 10:53:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-20 10:53:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-20 10:53:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-20 10:53:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-20 10:53:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-20 10:53:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-20 10:53:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-20 10:53:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:53:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-20 10:53:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-20 10:53:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-20 10:53:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-20 10:53:39,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:53:39,918 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:53:47,042 INFO L? ?]: Removed 1466 outVars from TransFormulas that were not future-live. [2024-11-20 10:53:47,043 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:53:47,094 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:53:47,097 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 10:53:47,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:47 BoogieIcfgContainer [2024-11-20 10:53:47,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:53:47,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:53:47,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:53:47,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:53:47,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:53:36" (1/3) ... [2024-11-20 10:53:47,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124f9a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:53:47, skipping insertion in model container [2024-11-20 10:53:47,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:38" (2/3) ... [2024-11-20 10:53:47,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124f9a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:53:47, skipping insertion in model container [2024-11-20 10:53:47,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:47" (3/3) ... [2024-11-20 10:53:47,107 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2024-11-20 10:53:47,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:53:47,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:53:47,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:53:47,251 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;@4fb85d3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:53:47,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:53:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 1061 states, 780 states have (on average 1.4243589743589744) internal successors, (1111), 818 states have internal predecessors, (1111), 234 states have call successors, (234), 45 states have call predecessors, (234), 45 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-20 10:53:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-20 10:53:47,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:53:47,281 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:53:47,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:53:47,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:53:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash 625661202, now seen corresponding path program 1 times [2024-11-20 10:53:47,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:53:47,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927850955] [2024-11-20 10:53:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:53:47,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:53:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:53:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:53:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:53:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:53:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:53:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:53:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:53:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:53:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:53:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:48,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 10:53:48,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:53:48,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927850955] [2024-11-20 10:53:48,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927850955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:53:48,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:53:48,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 10:53:48,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986620272] [2024-11-20 10:53:48,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:53:48,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:53:48,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:53:48,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:53:48,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:53:48,491 INFO L87 Difference]: Start difference. First operand has 1061 states, 780 states have (on average 1.4243589743589744) internal successors, (1111), 818 states have internal predecessors, (1111), 234 states have call successors, (234), 45 states have call predecessors, (234), 45 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 10:53:52,524 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 [] [2024-11-20 10:53:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:53:54,468 INFO L93 Difference]: Finished difference Result 2138 states and 3202 transitions. [2024-11-20 10:53:54,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 10:53:54,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 78 [2024-11-20 10:53:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:53:54,509 INFO L225 Difference]: With dead ends: 2138 [2024-11-20 10:53:54,510 INFO L226 Difference]: Without dead ends: 1038 [2024-11-20 10:53:54,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:53:54,530 INFO L432 NwaCegarLoop]: 1102 mSDtfsCounter, 1728 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 408 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-20 10:53:54,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 1763 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 708 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-20 10:53:54,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-11-20 10:53:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1018. [2024-11-20 10:53:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 748 states have (on average 1.414438502673797) internal successors, (1058), 783 states have internal predecessors, (1058), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-20 10:53:54,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1506 transitions. [2024-11-20 10:53:54,691 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1506 transitions. Word has length 78 [2024-11-20 10:53:54,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:53:54,692 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1506 transitions. [2024-11-20 10:53:54,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 10:53:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1506 transitions. [2024-11-20 10:53:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-20 10:53:54,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:53:54,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:53:54,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:53:54,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:53:54,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:53:54,704 INFO L85 PathProgramCache]: Analyzing trace with hash 827485136, now seen corresponding path program 1 times [2024-11-20 10:53:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:53:54,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783702090] [2024-11-20 10:53:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:53:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:53:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:53:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:53:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:53:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:53:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:53:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:53:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:53:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:53:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:53:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:53:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 10:53:55,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:53:55,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783702090] [2024-11-20 10:53:55,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783702090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:53:55,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:53:55,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:53:55,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855215668] [2024-11-20 10:53:55,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:53:55,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:53:55,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:53:55,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:53:55,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:53:55,456 INFO L87 Difference]: Start difference. First operand 1018 states and 1506 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-20 10:53:59,469 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 [] [2024-11-20 10:54:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:54:01,740 INFO L93 Difference]: Finished difference Result 1042 states and 1544 transitions. [2024-11-20 10:54:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:54:01,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 78 [2024-11-20 10:54:01,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:54:01,752 INFO L225 Difference]: With dead ends: 1042 [2024-11-20 10:54:01,756 INFO L226 Difference]: Without dead ends: 1040 [2024-11-20 10:54:01,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:54:01,763 INFO L432 NwaCegarLoop]: 1047 mSDtfsCounter, 456 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 1889 mSolverCounterSat, 176 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 3472 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1889 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-20 10:54:01,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 3472 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1889 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-20 10:54:01,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-11-20 10:54:01,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1020. [2024-11-20 10:54:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 750 states have (on average 1.4133333333333333) internal successors, (1060), 785 states have internal predecessors, (1060), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-20 10:54:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1508 transitions. [2024-11-20 10:54:01,882 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1508 transitions. Word has length 78 [2024-11-20 10:54:01,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:54:01,883 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1508 transitions. [2024-11-20 10:54:01,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-20 10:54:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1508 transitions. [2024-11-20 10:54:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 10:54:01,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:54:01,891 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:54:01,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 10:54:01,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:54:01,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:54:01,892 INFO L85 PathProgramCache]: Analyzing trace with hash 781579112, now seen corresponding path program 1 times [2024-11-20 10:54:01,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:54:01,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740890135] [2024-11-20 10:54:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:54:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:54:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:54:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:54:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:54:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:54:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:54:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:54:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:54:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 10:54:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 10:54:02,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:54:02,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740890135] [2024-11-20 10:54:02,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740890135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:54:02,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:54:02,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:54:02,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195215556] [2024-11-20 10:54:02,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:54:02,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:54:02,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:54:02,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:54:02,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:54:02,590 INFO L87 Difference]: Start difference. First operand 1020 states and 1508 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-20 10:54:06,607 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 [] [2024-11-20 10:54:10,619 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 [] [2024-11-20 10:54:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:54:12,808 INFO L93 Difference]: Finished difference Result 2039 states and 3023 transitions. [2024-11-20 10:54:12,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:54:12,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 88 [2024-11-20 10:54:12,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:54:12,817 INFO L225 Difference]: With dead ends: 2039 [2024-11-20 10:54:12,818 INFO L226 Difference]: Without dead ends: 1051 [2024-11-20 10:54:12,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:54:12,824 INFO L432 NwaCegarLoop]: 1040 mSDtfsCounter, 1647 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 399 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-20 10:54:12,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 2356 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 1506 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2024-11-20 10:54:12,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-20 10:54:12,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1021. [2024-11-20 10:54:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 751 states have (on average 1.4127829560585885) internal successors, (1061), 786 states have internal predecessors, (1061), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-20 10:54:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1509 transitions. [2024-11-20 10:54:12,881 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1509 transitions. Word has length 88 [2024-11-20 10:54:12,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:54:12,882 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1509 transitions. [2024-11-20 10:54:12,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-20 10:54:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1509 transitions. [2024-11-20 10:54:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-20 10:54:12,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:54:12,887 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:54:12,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 10:54:12,887 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:54:12,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:54:12,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1580967689, now seen corresponding path program 1 times [2024-11-20 10:54:12,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:54:12,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048904378] [2024-11-20 10:54:12,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:54:12,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:54:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:54:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:54:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:54:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:54:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:54:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:54:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:54:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 10:54:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 10:54:13,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:54:13,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048904378] [2024-11-20 10:54:13,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048904378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:54:13,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:54:13,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 10:54:13,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049709939] [2024-11-20 10:54:13,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:54:13,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 10:54:13,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:54:13,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 10:54:13,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:54:13,613 INFO L87 Difference]: Start difference. First operand 1021 states and 1509 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-20 10:54:17,626 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 [] [2024-11-20 10:54:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:54:20,495 INFO L93 Difference]: Finished difference Result 1058 states and 1566 transitions. [2024-11-20 10:54:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 10:54:20,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 90 [2024-11-20 10:54:20,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:54:20,507 INFO L225 Difference]: With dead ends: 1058 [2024-11-20 10:54:20,508 INFO L226 Difference]: Without dead ends: 1056 [2024-11-20 10:54:20,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:54:20,511 INFO L432 NwaCegarLoop]: 1053 mSDtfsCounter, 576 mSDsluCounter, 3208 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 181 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 4261 SdHoareTripleChecker+Invalid, 2678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-20 10:54:20,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 4261 Invalid, 2678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 2496 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-20 10:54:20,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-20 10:54:20,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1023. [2024-11-20 10:54:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 752 states have (on average 1.4122340425531914) internal successors, (1062), 786 states have internal predecessors, (1062), 225 states have call successors, (225), 45 states have call predecessors, (225), 45 states have return successors, (225), 223 states have call predecessors, (225), 225 states have call successors, (225) [2024-11-20 10:54:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1512 transitions. [2024-11-20 10:54:20,561 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1512 transitions. Word has length 90 [2024-11-20 10:54:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:54:20,563 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1512 transitions. [2024-11-20 10:54:20,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-20 10:54:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1512 transitions. [2024-11-20 10:54:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 10:54:20,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:54:20,571 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:54:20,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 10:54:20,571 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:54:20,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:54:20,571 INFO L85 PathProgramCache]: Analyzing trace with hash 827046205, now seen corresponding path program 1 times [2024-11-20 10:54:20,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:54:20,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262001426] [2024-11-20 10:54:20,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:54:20,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:54:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:54:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:54:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:54:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:54:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:54:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:54:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:54:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 10:54:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 10:54:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:54:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 10:54:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 10:54:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-20 10:54:21,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:54:21,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262001426] [2024-11-20 10:54:21,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262001426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:54:21,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:54:21,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 10:54:21,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197371836] [2024-11-20 10:54:21,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:54:21,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:54:21,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:54:21,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:54:21,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:54:21,172 INFO L87 Difference]: Start difference. First operand 1023 states and 1512 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-20 10:54:25,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:54:29,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:54:33,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:54:33,079 INFO L93 Difference]: Finished difference Result 3018 states and 4473 transitions. [2024-11-20 10:54:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:54:33,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2024-11-20 10:54:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:54:33,093 INFO L225 Difference]: With dead ends: 3018 [2024-11-20 10:54:33,093 INFO L226 Difference]: Without dead ends: 2027 [2024-11-20 10:54:33,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:54:33,099 INFO L432 NwaCegarLoop]: 1262 mSDtfsCounter, 2021 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 509 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 2848 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-20 10:54:33,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 2848 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1448 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2024-11-20 10:54:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2024-11-20 10:54:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1985. [2024-11-20 10:54:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1460 states have (on average 1.4164383561643836) internal successors, (2068), 1527 states have internal predecessors, (2068), 435 states have call successors, (435), 89 states have call predecessors, (435), 89 states have return successors, (435), 431 states have call predecessors, (435), 435 states have call successors, (435) [2024-11-20 10:54:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2938 transitions. [2024-11-20 10:54:33,224 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2938 transitions. Word has length 122 [2024-11-20 10:54:33,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:54:33,226 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 2938 transitions. [2024-11-20 10:54:33,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-20 10:54:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2938 transitions. [2024-11-20 10:54:33,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 10:54:33,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:54:33,235 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:54:33,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 10:54:33,235 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:54:33,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:54:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash -366243905, now seen corresponding path program 1 times [2024-11-20 10:54:33,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:54:33,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234855653] [2024-11-20 10:54:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:54:33,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:54:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:54:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:54:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:54:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:54:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:54:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:54:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 10:54:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 10:54:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:54:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 10:54:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 10:54:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 10:54:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 10:54:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 10:54:33,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:54:33,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234855653] [2024-11-20 10:54:33,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234855653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:54:33,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:54:33,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:54:33,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738315007] [2024-11-20 10:54:33,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:54:33,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:54:33,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:54:33,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:54:33,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:54:33,931 INFO L87 Difference]: Start difference. First operand 1985 states and 2938 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-20 10:54:37,943 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 [] [2024-11-20 10:54:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:54:40,322 INFO L93 Difference]: Finished difference Result 3028 states and 4468 transitions. [2024-11-20 10:54:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:54:40,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2024-11-20 10:54:40,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:54:40,331 INFO L225 Difference]: With dead ends: 3028 [2024-11-20 10:54:40,331 INFO L226 Difference]: Without dead ends: 1073 [2024-11-20 10:54:40,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:54:40,339 INFO L432 NwaCegarLoop]: 1049 mSDtfsCounter, 456 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 175 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 3481 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-20 10:54:40,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 3481 Invalid, 2060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [175 Valid, 1884 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-20 10:54:40,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-20 10:54:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1044. [2024-11-20 10:54:40,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 767 states have (on average 1.4028683181225554) internal successors, (1076), 801 states have internal predecessors, (1076), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-20 10:54:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1528 transitions. [2024-11-20 10:54:40,412 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1528 transitions. Word has length 124 [2024-11-20 10:54:40,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:54:40,412 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1528 transitions. [2024-11-20 10:54:40,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-20 10:54:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1528 transitions. [2024-11-20 10:54:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 10:54:40,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:54:40,420 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:54:40,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 10:54:40,420 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:54:40,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:54:40,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1884630537, now seen corresponding path program 1 times [2024-11-20 10:54:40,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:54:40,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913863080] [2024-11-20 10:54:40,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:54:40,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:54:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:54:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:54:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:54:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:54:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:54:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:54:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:54:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 10:54:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 10:54:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 10:54:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 10:54:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 10:54:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-20 10:54:41,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:54:41,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913863080] [2024-11-20 10:54:41,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913863080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:54:41,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:54:41,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:54:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116621001] [2024-11-20 10:54:41,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:54:41,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:54:41,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:54:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:54:41,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:54:41,215 INFO L87 Difference]: Start difference. First operand 1044 states and 1528 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-20 10:54:45,227 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 [] [2024-11-20 10:54:49,240 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 [] [2024-11-20 10:54:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:54:51,396 INFO L93 Difference]: Finished difference Result 2091 states and 3079 transitions. [2024-11-20 10:54:51,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:54:51,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 124 [2024-11-20 10:54:51,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:54:51,404 INFO L225 Difference]: With dead ends: 2091 [2024-11-20 10:54:51,404 INFO L226 Difference]: Without dead ends: 1100 [2024-11-20 10:54:51,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:54:51,409 INFO L432 NwaCegarLoop]: 1043 mSDtfsCounter, 1646 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 405 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 2357 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-20 10:54:51,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 2357 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1524 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2024-11-20 10:54:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-11-20 10:54:51,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1048. [2024-11-20 10:54:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 771 states have (on average 1.4020752269779506) internal successors, (1081), 805 states have internal predecessors, (1081), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-20 10:54:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1533 transitions. [2024-11-20 10:54:51,509 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1533 transitions. Word has length 124 [2024-11-20 10:54:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:54:51,509 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1533 transitions. [2024-11-20 10:54:51,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-20 10:54:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1533 transitions. [2024-11-20 10:54:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-20 10:54:51,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:54:51,515 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:54:51,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 10:54:51,515 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:54:51,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:54:51,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1506823180, now seen corresponding path program 1 times [2024-11-20 10:54:51,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:54:51,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384054637] [2024-11-20 10:54:51,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:54:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:54:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:54:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 10:54:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:54:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-20 10:54:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:54:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:54:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:54:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:54:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 10:54:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:54:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 10:54:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 10:54:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 10:54:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:54:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-20 10:54:52,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:54:52,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384054637] [2024-11-20 10:54:52,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384054637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:54:52,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:54:52,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 10:54:52,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286760159] [2024-11-20 10:54:52,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:54:52,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:54:52,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:54:52,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:54:52,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:54:52,108 INFO L87 Difference]: Start difference. First operand 1048 states and 1533 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)