./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0992725f389f0adb842356ba35094ebe66d38080cd0511ed76d42d3b12708c0b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 04:26:12,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:26:12,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 04:26:12,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:26:12,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:26:12,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:26:12,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:26:12,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:26:12,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 04:26:12,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 04:26:12,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:26:12,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:26:12,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:26:12,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:26:12,293 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 04:26:12,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:26:12,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:26:12,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:26:12,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:26:12,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:26:12,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:26:12,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:26:12,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:26:12,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:26:12,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:26:12,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:26:12,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:26:12,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:26:12,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:26:12,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:26:12,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:26:12,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:26:12,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:26:12,306 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 04:26:12,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:26:12,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:26:12,307 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 04:26:12,307 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 04:26:12,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:26:12,308 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0992725f389f0adb842356ba35094ebe66d38080cd0511ed76d42d3b12708c0b [2024-11-09 04:26:12,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:26:12,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:26:12,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:26:12,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:26:12,563 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:26:12,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2024-11-09 04:26:14,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:26:14,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:26:14,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2024-11-09 04:26:14,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f626f8b/47b1b32c144242e9a41bdfb4f0ddf19f/FLAG93354e1ad [2024-11-09 04:26:14,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f626f8b/47b1b32c144242e9a41bdfb4f0ddf19f [2024-11-09 04:26:14,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:26:14,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:26:14,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:26:14,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:26:14,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:26:14,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:26:14" (1/1) ... [2024-11-09 04:26:14,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a22b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:14, skipping insertion in model container [2024-11-09 04:26:14,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:26:14" (1/1) ... [2024-11-09 04:26:14,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:26:15,349 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2024-11-09 04:26:16,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:26:16,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:26:16,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4690] [2024-11-09 04:26:16,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4697] [2024-11-09 04:26:16,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4705-4706] [2024-11-09 04:26:16,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4714-4715] [2024-11-09 04:26:16,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2024-11-09 04:26:16,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4838] [2024-11-09 04:26:16,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4841] [2024-11-09 04:26:16,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4844] [2024-11-09 04:26:16,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4847] [2024-11-09 04:26:16,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5229] [2024-11-09 04:26:16,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5233] [2024-11-09 04:26:16,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5237] [2024-11-09 04:26:16,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5241] [2024-11-09 04:26:16,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5252] [2024-11-09 04:26:16,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5256] [2024-11-09 04:26:16,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5260] [2024-11-09 04:26:16,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5264] [2024-11-09 04:26:16,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5275] [2024-11-09 04:26:16,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5279] [2024-11-09 04:26:16,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5283] [2024-11-09 04:26:16,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5287] [2024-11-09 04:26:16,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5298] [2024-11-09 04:26:16,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5302] [2024-11-09 04:26:16,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5306] [2024-11-09 04:26:16,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5310] [2024-11-09 04:26:16,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5360] [2024-11-09 04:26:16,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5364] [2024-11-09 04:26:16,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5368] [2024-11-09 04:26:16,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5372] [2024-11-09 04:26:16,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5383] [2024-11-09 04:26:16,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5387] [2024-11-09 04:26:16,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5391] [2024-11-09 04:26:16,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5395] [2024-11-09 04:26:16,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5406] [2024-11-09 04:26:16,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5410] [2024-11-09 04:26:16,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5414] [2024-11-09 04:26:16,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5418] [2024-11-09 04:26:16,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5429] [2024-11-09 04:26:16,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5433] [2024-11-09 04:26:16,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5437] [2024-11-09 04:26:16,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5441] [2024-11-09 04:26:16,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5515] [2024-11-09 04:26:16,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5519] [2024-11-09 04:26:16,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5523] [2024-11-09 04:26:16,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5527] [2024-11-09 04:26:16,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5538] [2024-11-09 04:26:16,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5542] [2024-11-09 04:26:16,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5546] [2024-11-09 04:26:16,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5550] [2024-11-09 04:26:16,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5561] [2024-11-09 04:26:16,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5565] [2024-11-09 04:26:16,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5569] [2024-11-09 04:26:16,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5573] [2024-11-09 04:26:16,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6512] [2024-11-09 04:26:16,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6515] [2024-11-09 04:26:16,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6518] [2024-11-09 04:26:16,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6521] [2024-11-09 04:26:16,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6524] [2024-11-09 04:26:16,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6537] [2024-11-09 04:26:16,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6540] [2024-11-09 04:26:16,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6543] [2024-11-09 04:26:16,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6546] [2024-11-09 04:26:16,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6549] [2024-11-09 04:26:16,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6571] [2024-11-09 04:26:16,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6574] [2024-11-09 04:26:16,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6577] [2024-11-09 04:26:16,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6580] [2024-11-09 04:26:16,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6583] [2024-11-09 04:26:16,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6616-6617] [2024-11-09 04:26:16,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6620-6621] [2024-11-09 04:26:16,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6624-6625] [2024-11-09 04:26:16,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6628-6629] [2024-11-09 04:26:16,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6632-6633] [2024-11-09 04:26:16,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6646] [2024-11-09 04:26:16,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6649] [2024-11-09 04:26:16,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6652] [2024-11-09 04:26:16,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6655] [2024-11-09 04:26:16,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6658] [2024-11-09 04:26:16,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6691-6692] [2024-11-09 04:26:16,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6695-6696] [2024-11-09 04:26:16,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6699-6700] [2024-11-09 04:26:16,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6703-6704] [2024-11-09 04:26:16,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6707-6708] [2024-11-09 04:26:16,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:26:17,138 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:26:17,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17 WrapperNode [2024-11-09 04:26:17,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:26:17,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:26:17,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:26:17,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:26:17,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:17,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:17,356 INFO L138 Inliner]: procedures = 183, calls = 839, calls flagged for inlining = 93, calls inlined = 91, statements flattened = 3460 [2024-11-09 04:26:17,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:26:17,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:26:17,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:26:17,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:26:17,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:17,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:17,409 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:17,939 INFO L175 MemorySlicer]: Split 418 memory accesses to 9 slices as follows [2, 1, 4, 2, 3, 36, 22, 1, 347]. 83 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 5]. The 180 writes are split as follows [0, 1, 1, 0, 0, 36, 22, 0, 120]. [2024-11-09 04:26:17,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:17,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:18,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:18,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:18,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:18,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:18,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:26:18,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:26:18,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:26:18,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:26:18,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (1/1) ... [2024-11-09 04:26:18,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:26:18,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:26:18,212 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) [2024-11-09 04:26:18,220 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 [2024-11-09 04:26:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-11-09 04:26:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-11-09 04:26:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2024-11-09 04:26:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-09 04:26:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-09 04:26:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-09 04:26:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 04:26:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 04:26:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 04:26:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 04:26:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 04:26:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 04:26:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 04:26:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 04:26:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-09 04:26:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-09 04:26:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-09 04:26:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-09 04:26:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-09 04:26:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-09 04:26:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 04:26:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 04:26:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 04:26:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 04:26:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 04:26:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 04:26:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-09 04:26:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-09 04:26:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-09 04:26:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 04:26:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 04:26:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 04:26:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 04:26:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 04:26:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 04:26:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-09 04:26:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-09 04:26:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-09 04:26:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 04:26:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 04:26:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:26:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:26:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 04:26:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 04:26:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-09 04:26:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-09 04:26:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 04:26:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 04:26:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-09 04:26:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-09 04:26:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 04:26:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 04:26:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:26:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:26:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 04:26:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 04:26:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 04:26:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 04:26:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:26:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:26:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-09 04:26:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-09 04:26:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-09 04:26:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-09 04:26:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-09 04:26:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-09 04:26:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-09 04:26:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-09 04:26:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-09 04:26:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-09 04:26:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2024-11-09 04:26:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2024-11-09 04:26:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-09 04:26:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-09 04:26:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2024-11-09 04:26:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2024-11-09 04:26:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 04:26:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 04:26:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-09 04:26:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-09 04:26:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-09 04:26:18,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-09 04:26:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-09 04:26:18,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-09 04:26:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-09 04:26:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-09 04:26:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-09 04:26:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-09 04:26:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:26:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-09 04:26:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-09 04:26:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-09 04:26:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-09 04:26:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 04:26:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 04:26:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 04:26:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 04:26:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2024-11-09 04:26:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2024-11-09 04:26:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 04:26:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 04:26:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 04:26:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 04:26:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2024-11-09 04:26:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2024-11-09 04:26:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-09 04:26:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-09 04:26:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-09 04:26:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-09 04:26:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-09 04:26:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-09 04:26:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 04:26:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 04:26:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 04:26:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 04:26:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 04:26:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 04:26:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 04:26:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-09 04:26:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-09 04:26:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-09 04:26:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-09 04:26:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 04:26:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 04:26:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:26:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:26:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-09 04:26:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-09 04:26:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-09 04:26:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-09 04:26:18,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:26:18,791 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:26:18,899 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 04:26:27,784 INFO L? ?]: Removed 1529 outVars from TransFormulas that were not future-live. [2024-11-09 04:26:27,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:26:27,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:26:27,850 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:26:27,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:26:27 BoogieIcfgContainer [2024-11-09 04:26:27,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:26:27,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:26:27,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:26:27,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:26:27,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:26:14" (1/3) ... [2024-11-09 04:26:27,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be0a9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:26:27, skipping insertion in model container [2024-11-09 04:26:27,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:17" (2/3) ... [2024-11-09 04:26:27,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be0a9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:26:27, skipping insertion in model container [2024-11-09 04:26:27,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:26:27" (3/3) ... [2024-11-09 04:26:27,864 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2024-11-09 04:26:27,885 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:26:27,886 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:26:27,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:26:28,004 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;@a33d92f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:26:28,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:26:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 1183 states, 872 states have (on average 1.4243119266055047) internal successors, (1242), 916 states have internal predecessors, (1242), 256 states have call successors, (256), 54 states have call predecessors, (256), 53 states have return successors, (251), 249 states have call predecessors, (251), 251 states have call successors, (251) [2024-11-09 04:26:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 04:26:28,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:26:28,040 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:26:28,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:26:28,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:26:28,046 INFO L85 PathProgramCache]: Analyzing trace with hash 67491905, now seen corresponding path program 1 times [2024-11-09 04:26:28,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:26:28,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434938452] [2024-11-09 04:26:28,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:26:28,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:26:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:26:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:26:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:26:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:26:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:26:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 04:26:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:26:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 04:26:29,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:26:29,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434938452] [2024-11-09 04:26:29,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434938452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:26:29,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:26:29,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:26:29,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690375644] [2024-11-09 04:26:29,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:26:29,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:26:29,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:26:29,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:26:29,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:26:29,415 INFO L87 Difference]: Start difference. First operand has 1183 states, 872 states have (on average 1.4243119266055047) internal successors, (1242), 916 states have internal predecessors, (1242), 256 states have call successors, (256), 54 states have call predecessors, (256), 53 states have return successors, (251), 249 states have call predecessors, (251), 251 states have call successors, (251) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 04:26:33,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:26:35,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:26:40,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:26:41,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:26:41,593 INFO L93 Difference]: Finished difference Result 3188 states and 4766 transitions. [2024-11-09 04:26:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:26:41,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 63 [2024-11-09 04:26:41,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:26:41,635 INFO L225 Difference]: With dead ends: 3188 [2024-11-09 04:26:41,636 INFO L226 Difference]: Without dead ends: 1917 [2024-11-09 04:26:41,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:26:41,650 INFO L432 NwaCegarLoop]: 1292 mSDtfsCounter, 1578 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 532 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:26:41,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 2992 Invalid, 2252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [532 Valid, 1719 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2024-11-09 04:26:41,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2024-11-09 04:26:41,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1747. [2024-11-09 04:26:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1278 states have (on average 1.3967136150234742) internal successors, (1785), 1329 states have internal predecessors, (1785), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-09 04:26:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2536 transitions. [2024-11-09 04:26:41,874 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2536 transitions. Word has length 63 [2024-11-09 04:26:41,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:26:41,875 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2536 transitions. [2024-11-09 04:26:41,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 04:26:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2536 transitions. [2024-11-09 04:26:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 04:26:41,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:26:41,891 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:26:41,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:26:41,892 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:26:41,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:26:41,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1056911957, now seen corresponding path program 1 times [2024-11-09 04:26:41,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:26:41,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033377092] [2024-11-09 04:26:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:26:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:26:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:26:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:26:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:26:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:26:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:26:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 04:26:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:26:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:26:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 04:26:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 04:26:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 04:26:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:26:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 04:26:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 04:26:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:42,824 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 04:26:42,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:26:42,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033377092] [2024-11-09 04:26:42,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033377092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:26:42,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:26:42,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:26:42,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055277887] [2024-11-09 04:26:42,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:26:42,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:26:42,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:26:42,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:26:42,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:26:42,829 INFO L87 Difference]: Start difference. First operand 1747 states and 2536 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 04:26:46,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:26:50,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:26:54,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:26:54,323 INFO L93 Difference]: Finished difference Result 3676 states and 5398 transitions. [2024-11-09 04:26:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:26:54,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-09 04:26:54,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:26:54,339 INFO L225 Difference]: With dead ends: 3676 [2024-11-09 04:26:54,339 INFO L226 Difference]: Without dead ends: 1953 [2024-11-09 04:26:54,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:26:54,349 INFO L432 NwaCegarLoop]: 1109 mSDtfsCounter, 2019 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 546 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:26:54,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 2306 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 1308 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-09 04:26:54,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2024-11-09 04:26:54,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1747. [2024-11-09 04:26:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1278 states have (on average 1.3951486697965572) internal successors, (1783), 1329 states have internal predecessors, (1783), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-09 04:26:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2534 transitions. [2024-11-09 04:26:54,461 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2534 transitions. Word has length 123 [2024-11-09 04:26:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:26:54,462 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2534 transitions. [2024-11-09 04:26:54,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 04:26:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2534 transitions. [2024-11-09 04:26:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 04:26:54,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:26:54,469 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:26:54,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:26:54,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:26:54,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:26:54,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1329597549, now seen corresponding path program 1 times [2024-11-09 04:26:54,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:26:54,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766386987] [2024-11-09 04:26:54,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:26:54,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:26:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:26:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:26:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:26:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:26:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:26:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 04:26:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:26:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:26:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 04:26:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 04:26:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 04:26:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:26:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 04:26:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 04:26:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-09 04:26:55,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:26:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766386987] [2024-11-09 04:26:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766386987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:26:55,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:26:55,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:26:55,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753455821] [2024-11-09 04:26:55,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:26:55,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:26:55,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:26:55,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:26:55,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:26:55,503 INFO L87 Difference]: Start difference. First operand 1747 states and 2534 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:26:59,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:03,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:05,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:08,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:27:08,580 INFO L93 Difference]: Finished difference Result 1958 states and 2897 transitions. [2024-11-09 04:27:08,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:27:08,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 04:27:08,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:27:08,596 INFO L225 Difference]: With dead ends: 1958 [2024-11-09 04:27:08,596 INFO L226 Difference]: Without dead ends: 1955 [2024-11-09 04:27:08,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:27:08,601 INFO L432 NwaCegarLoop]: 1116 mSDtfsCounter, 1149 mSDsluCounter, 2638 mSDsCounter, 0 mSdLazyCounter, 2568 mSolverCounterSat, 512 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 3082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 2568 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:27:08,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 3754 Invalid, 3082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 2568 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2024-11-09 04:27:08,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2024-11-09 04:27:08,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1749. [2024-11-09 04:27:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1280 states have (on average 1.39453125) internal successors, (1785), 1331 states have internal predecessors, (1785), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-09 04:27:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2536 transitions. [2024-11-09 04:27:08,688 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2536 transitions. Word has length 123 [2024-11-09 04:27:08,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:27:08,690 INFO L471 AbstractCegarLoop]: Abstraction has 1749 states and 2536 transitions. [2024-11-09 04:27:08,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:27:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2536 transitions. [2024-11-09 04:27:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 04:27:08,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:27:08,697 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:27:08,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:27:08,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:27:08,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:27:08,698 INFO L85 PathProgramCache]: Analyzing trace with hash -672709187, now seen corresponding path program 1 times [2024-11-09 04:27:08,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:27:08,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402391152] [2024-11-09 04:27:08,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:27:08,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:27:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:27:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:27:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:27:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:27:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:27:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 04:27:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:27:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:27:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 04:27:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 04:27:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 04:27:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:27:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 04:27:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 04:27:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 04:27:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-09 04:27:09,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:27:09,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402391152] [2024-11-09 04:27:09,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402391152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:27:09,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:27:09,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:27:09,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854355419] [2024-11-09 04:27:09,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:27:09,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:27:09,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:27:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:27:09,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:27:09,491 INFO L87 Difference]: Start difference. First operand 1749 states and 2536 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 04:27:13,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:17,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:21,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:25,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:28,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:27:28,902 INFO L93 Difference]: Finished difference Result 3691 states and 5415 transitions. [2024-11-09 04:27:28,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:27:28,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2024-11-09 04:27:28,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:27:28,918 INFO L225 Difference]: With dead ends: 3691 [2024-11-09 04:27:28,919 INFO L226 Difference]: Without dead ends: 1966 [2024-11-09 04:27:28,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:27:28,928 INFO L432 NwaCegarLoop]: 1106 mSDtfsCounter, 2010 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 547 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 3071 SdHoareTripleChecker+Invalid, 2863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:27:28,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 3071 Invalid, 2863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 2313 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2024-11-09 04:27:28,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2024-11-09 04:27:28,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1750. [2024-11-09 04:27:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1281 states have (on average 1.394223263075722) internal successors, (1786), 1332 states have internal predecessors, (1786), 376 states have call successors, (376), 93 states have call predecessors, (376), 92 states have return successors, (375), 372 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-09 04:27:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2537 transitions. [2024-11-09 04:27:29,015 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2537 transitions. Word has length 133 [2024-11-09 04:27:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:27:29,016 INFO L471 AbstractCegarLoop]: Abstraction has 1750 states and 2537 transitions. [2024-11-09 04:27:29,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 04:27:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2537 transitions. [2024-11-09 04:27:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:27:29,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:27:29,025 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:27:29,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:27:29,025 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:27:29,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:27:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash -201123012, now seen corresponding path program 1 times [2024-11-09 04:27:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:27:29,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595998858] [2024-11-09 04:27:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:27:29,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:27:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:27:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:27:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:27:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:27:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 04:27:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 04:27:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:27:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:27:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 04:27:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 04:27:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 04:27:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:27:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 04:27:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 04:27:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:27:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-09 04:27:29,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:27:29,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595998858] [2024-11-09 04:27:29,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595998858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:27:29,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:27:29,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:27:29,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980712515] [2024-11-09 04:27:29,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:27:29,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:27:29,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:27:29,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:27:29,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:27:29,892 INFO L87 Difference]: Start difference. First operand 1750 states and 2537 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 04:27:33,907 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 []