./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.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 ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:37:04,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:37:04,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:37:04,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:37:04,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:37:04,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:37:04,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:37:04,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:37:04,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:37:04,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:37:04,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:37:04,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:37:04,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:37:04,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:37:04,518 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:37:04,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:37:04,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:37:04,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:37:04,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:37:04,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:37:04,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:37:04,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:37:04,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:37:04,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:37:04,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:37:04,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:37:04,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:37:04,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:37:04,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:37:04,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:37:04,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:37:04,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:37:04,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:37:04,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:37:04,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:37:04,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:37:04,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:37:04,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:37:04,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:37:04,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 [2024-11-12 09:37:04,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:37:04,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:37:04,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:37:04,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:37:04,751 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:37:04,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-12 09:37:06,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:37:06,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:37:06,383 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-12 09:37:06,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4b839fb/635b940686084c55bc4750c001ba0e69/FLAGe8e958971 [2024-11-12 09:37:06,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4b839fb/635b940686084c55bc4750c001ba0e69 [2024-11-12 09:37:06,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:37:06,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:37:06,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:37:06,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:37:06,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:37:06,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:37:06" (1/1) ... [2024-11-12 09:37:06,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b3dfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:06, skipping insertion in model container [2024-11-12 09:37:06,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:37:06" (1/1) ... [2024-11-12 09:37:06,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:37:07,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2024-11-12 09:37:07,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:37:07,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:37:07,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4703] [2024-11-12 09:37:07,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4710] [2024-11-12 09:37:07,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4718-4719] [2024-11-12 09:37:07,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4727-4728] [2024-11-12 09:37:07,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4750] [2024-11-12 09:37:07,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4753] [2024-11-12 09:37:07,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4756] [2024-11-12 09:37:07,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4759] [2024-11-12 09:37:07,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5123] [2024-11-12 09:37:07,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5127] [2024-11-12 09:37:07,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5131] [2024-11-12 09:37:07,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5135] [2024-11-12 09:37:07,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5146] [2024-11-12 09:37:07,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5150] [2024-11-12 09:37:07,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5154] [2024-11-12 09:37:07,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5158] [2024-11-12 09:37:07,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5169] [2024-11-12 09:37:07,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5173] [2024-11-12 09:37:07,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5177] [2024-11-12 09:37:07,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5181] [2024-11-12 09:37:07,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5192] [2024-11-12 09:37:07,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5196] [2024-11-12 09:37:07,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5200] [2024-11-12 09:37:07,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5204] [2024-11-12 09:37:07,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5254] [2024-11-12 09:37:07,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5258] [2024-11-12 09:37:07,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5262] [2024-11-12 09:37:07,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5266] [2024-11-12 09:37:07,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5277] [2024-11-12 09:37:07,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5281] [2024-11-12 09:37:07,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5285] [2024-11-12 09:37:07,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5289] [2024-11-12 09:37:07,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5300] [2024-11-12 09:37:07,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5304] [2024-11-12 09:37:07,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5308] [2024-11-12 09:37:07,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5312] [2024-11-12 09:37:07,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5323] [2024-11-12 09:37:07,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5327] [2024-11-12 09:37:07,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5331] [2024-11-12 09:37:07,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5335] [2024-11-12 09:37:07,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5409] [2024-11-12 09:37:07,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5413] [2024-11-12 09:37:07,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5417] [2024-11-12 09:37:07,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5421] [2024-11-12 09:37:07,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5432] [2024-11-12 09:37:07,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5436] [2024-11-12 09:37:07,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5440] [2024-11-12 09:37:07,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5444] [2024-11-12 09:37:07,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5455] [2024-11-12 09:37:07,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5459] [2024-11-12 09:37:07,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5463] [2024-11-12 09:37:07,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5467] [2024-11-12 09:37:07,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6408] [2024-11-12 09:37:07,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6411] [2024-11-12 09:37:07,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6414] [2024-11-12 09:37:07,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6417] [2024-11-12 09:37:07,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6420] [2024-11-12 09:37:07,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6433] [2024-11-12 09:37:07,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6436] [2024-11-12 09:37:07,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6439] [2024-11-12 09:37:07,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6442] [2024-11-12 09:37:07,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6445] [2024-11-12 09:37:07,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6467] [2024-11-12 09:37:07,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6470] [2024-11-12 09:37:07,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6473] [2024-11-12 09:37:07,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6476] [2024-11-12 09:37:07,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6479] [2024-11-12 09:37:07,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6512-6513] [2024-11-12 09:37:07,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6516-6517] [2024-11-12 09:37:07,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6520-6521] [2024-11-12 09:37:07,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6524-6525] [2024-11-12 09:37:07,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6528-6529] [2024-11-12 09:37:07,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6542] [2024-11-12 09:37:07,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6545] [2024-11-12 09:37:07,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6548] [2024-11-12 09:37:07,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6551] [2024-11-12 09:37:07,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6554] [2024-11-12 09:37:07,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6587-6588] [2024-11-12 09:37:07,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6591-6592] [2024-11-12 09:37:07,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6595-6596] [2024-11-12 09:37:07,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6599-6600] [2024-11-12 09:37:07,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6603-6604] [2024-11-12 09:37:07,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2024-11-12 09:37:07,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:37:08,045 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:37:08,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08 WrapperNode [2024-11-12 09:37:08,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:37:08,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:37:08,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:37:08,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:37:08,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,231 INFO L138 Inliner]: procedures = 156, calls = 823, calls flagged for inlining = 81, calls inlined = 80, statements flattened = 3052 [2024-11-12 09:37:08,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:37:08,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:37:08,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:37:08,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:37:08,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,261 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,525 INFO L175 MemorySlicer]: Split 420 memory accesses to 11 slices as follows [2, 12, 1, 1, 1, 336, 2, 36, 3, 22, 4]. 80 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0]. The 177 writes are split as follows [0, 12, 0, 1, 0, 105, 0, 36, 0, 22, 1]. [2024-11-12 09:37:08,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:37:08,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:37:08,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:37:08,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:37:08,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (1/1) ... [2024-11-12 09:37:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:37:08,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:37:08,702 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) [2024-11-12 09:37:08,712 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 [2024-11-12 09:37:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-12 09:37:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-12 09:37:08,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-12 09:37:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-12 09:37:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-12 09:37:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-12 09:37:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:37:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:37:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:37:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:37:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:37:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:37:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 09:37:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 09:37:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-12 09:37:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-12 09:37:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-12 09:37:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-12 09:37:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-12 09:37:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-12 09:37:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-12 09:37:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-12 09:37:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-12 09:37:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-12 09:37:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-12 09:37:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-12 09:37:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-12 09:37:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-12 09:37:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-12 09:37:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-12 09:37:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-12 09:37:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-12 09:37:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-12 09:37:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-12 09:37:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-12 09:37:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2024-11-12 09:37:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2024-11-12 09:37:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-12 09:37:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-12 09:37:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-12 09:37:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-12 09:37:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-12 09:37:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-12 09:37:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:37:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:37:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:37:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:37:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:37:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:37:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 09:37:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-12 09:37:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-12 09:37:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-12 09:37:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-12 09:37:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-12 09:37:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-12 09:37:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-12 09:37:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-12 09:37:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-12 09:37:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:37:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-12 09:37:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-12 09:37:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-12 09:37:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-12 09:37:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:37:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-12 09:37:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-12 09:37:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-12 09:37:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 09:37:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-12 09:37:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:37:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-12 09:37:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-12 09:37:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-12 09:37:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-12 09:37:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-12 09:37:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-12 09:37:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-12 09:37:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-12 09:37:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-12 09:37:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:37:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-12 09:37:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-12 09:37:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-12 09:37:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-12 09:37:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-12 09:37:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-12 09:37:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-12 09:37:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-12 09:37:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-12 09:37:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-12 09:37:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-12 09:37:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-12 09:37:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-12 09:37:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-12 09:37:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-12 09:37:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-12 09:37:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-12 09:37:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-12 09:37:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-12 09:37:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-12 09:37:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:37:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-12 09:37:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-12 09:37:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-12 09:37:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-12 09:37:09,238 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:37:09,241 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:37:16,020 INFO L? ?]: Removed 1468 outVars from TransFormulas that were not future-live. [2024-11-12 09:37:16,021 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:37:16,056 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:37:16,057 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 09:37:16,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:37:16 BoogieIcfgContainer [2024-11-12 09:37:16,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:37:16,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:37:16,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:37:16,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:37:16,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:37:06" (1/3) ... [2024-11-12 09:37:16,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3590de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:37:16, skipping insertion in model container [2024-11-12 09:37:16,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:37:08" (2/3) ... [2024-11-12 09:37:16,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3590de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:37:16, skipping insertion in model container [2024-11-12 09:37:16,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:37:16" (3/3) ... [2024-11-12 09:37:16,065 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-12 09:37:16,081 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:37:16,081 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:37:16,161 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:37:16,174 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;@38487f19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:37:16,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:37:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 1061 states, 780 states have (on average 1.4243589743589744) internal successors, (1111), 818 states have internal predecessors, (1111), 234 states have call successors, (234), 45 states have call predecessors, (234), 45 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-12 09:37:16,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 09:37:16,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:37:16,203 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:37:16,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:37:16,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:37:16,209 INFO L85 PathProgramCache]: Analyzing trace with hash 625661202, now seen corresponding path program 1 times [2024-11-12 09:37:16,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:37:16,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562877622] [2024-11-12 09:37:16,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:37:16,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:37:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:37:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:37:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:37:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:37:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:37:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:37:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:37:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 09:37:17,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:37:17,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562877622] [2024-11-12 09:37:17,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562877622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:37:17,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:37:17,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:37:17,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357961732] [2024-11-12 09:37:17,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:37:17,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:37:17,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:37:17,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:37:17,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:37:17,430 INFO L87 Difference]: Start difference. First operand has 1061 states, 780 states have (on average 1.4243589743589744) internal successors, (1111), 818 states have internal predecessors, (1111), 234 states have call successors, (234), 45 states have call predecessors, (234), 45 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 09:37:21,454 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 [] [2024-11-12 09:37:23,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:37:23,041 INFO L93 Difference]: Finished difference Result 2138 states and 3202 transitions. [2024-11-12 09:37:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 09:37:23,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 78 [2024-11-12 09:37:23,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:37:23,067 INFO L225 Difference]: With dead ends: 2138 [2024-11-12 09:37:23,067 INFO L226 Difference]: Without dead ends: 1038 [2024-11-12 09:37:23,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:37:23,078 INFO L435 NwaCegarLoop]: 1101 mSDtfsCounter, 1728 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 408 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-12 09:37:23,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 1761 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 708 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-12 09:37:23,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-11-12 09:37:23,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1018. [2024-11-12 09:37:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 748 states have (on average 1.414438502673797) internal successors, (1058), 783 states have internal predecessors, (1058), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 09:37:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1506 transitions. [2024-11-12 09:37:23,191 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1506 transitions. Word has length 78 [2024-11-12 09:37:23,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:37:23,192 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1506 transitions. [2024-11-12 09:37:23,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 09:37:23,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1506 transitions. [2024-11-12 09:37:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 09:37:23,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:37:23,195 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:37:23,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 09:37:23,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:37:23,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:37:23,197 INFO L85 PathProgramCache]: Analyzing trace with hash 827485136, now seen corresponding path program 1 times [2024-11-12 09:37:23,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:37:23,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824025703] [2024-11-12 09:37:23,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:37:23,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:37:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:37:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:37:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:37:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:37:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:37:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:37:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:37:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 09:37:23,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:37:23,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824025703] [2024-11-12 09:37:23,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824025703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:37:23,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:37:23,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:37:23,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409154859] [2024-11-12 09:37:23,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:37:23,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:37:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:37:23,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:37:23,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:37:23,730 INFO L87 Difference]: Start difference. First operand 1018 states and 1506 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-12 09:37:27,740 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 [] [2024-11-12 09:37:29,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:37:29,617 INFO L93 Difference]: Finished difference Result 1042 states and 1544 transitions. [2024-11-12 09:37:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:37:29,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 78 [2024-11-12 09:37:29,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:37:29,624 INFO L225 Difference]: With dead ends: 1042 [2024-11-12 09:37:29,624 INFO L226 Difference]: Without dead ends: 1040 [2024-11-12 09:37:29,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:37:29,626 INFO L435 NwaCegarLoop]: 1050 mSDtfsCounter, 456 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 1889 mSolverCounterSat, 176 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 3484 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1889 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-12 09:37:29,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 3484 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1889 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-12 09:37:29,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-11-12 09:37:29,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1020. [2024-11-12 09:37:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 750 states have (on average 1.4133333333333333) internal successors, (1060), 785 states have internal predecessors, (1060), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 09:37:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1508 transitions. [2024-11-12 09:37:29,718 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1508 transitions. Word has length 78 [2024-11-12 09:37:29,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:37:29,719 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1508 transitions. [2024-11-12 09:37:29,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-12 09:37:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1508 transitions. [2024-11-12 09:37:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-12 09:37:29,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:37:29,728 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:37:29,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 09:37:29,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:37:29,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:37:29,730 INFO L85 PathProgramCache]: Analyzing trace with hash 781579112, now seen corresponding path program 1 times [2024-11-12 09:37:29,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:37:29,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134131235] [2024-11-12 09:37:29,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:37:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:37:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:37:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:37:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:37:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:37:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:37:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:37:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:37:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 09:37:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 09:37:30,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:37:30,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134131235] [2024-11-12 09:37:30,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134131235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:37:30,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:37:30,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:37:30,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596958325] [2024-11-12 09:37:30,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:37:30,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:37:30,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:37:30,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:37:30,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:37:30,290 INFO L87 Difference]: Start difference. First operand 1020 states and 1508 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 09:37:34,300 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 [] [2024-11-12 09:37:38,312 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 [] [2024-11-12 09:37:40,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:37:40,068 INFO L93 Difference]: Finished difference Result 2039 states and 3023 transitions. [2024-11-12 09:37:40,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:37:40,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 88 [2024-11-12 09:37:40,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:37:40,078 INFO L225 Difference]: With dead ends: 2039 [2024-11-12 09:37:40,079 INFO L226 Difference]: Without dead ends: 1051 [2024-11-12 09:37:40,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:37:40,084 INFO L435 NwaCegarLoop]: 1050 mSDtfsCounter, 1639 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 392 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-12 09:37:40,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 2372 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1510 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-11-12 09:37:40,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-12 09:37:40,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1021. [2024-11-12 09:37:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 751 states have (on average 1.4127829560585885) internal successors, (1061), 786 states have internal predecessors, (1061), 224 states have call successors, (224), 45 states have call predecessors, (224), 45 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 09:37:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1509 transitions. [2024-11-12 09:37:40,157 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1509 transitions. Word has length 88 [2024-11-12 09:37:40,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:37:40,158 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1509 transitions. [2024-11-12 09:37:40,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 09:37:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1509 transitions. [2024-11-12 09:37:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-12 09:37:40,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:37:40,161 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:37:40,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 09:37:40,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:37:40,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:37:40,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1580967689, now seen corresponding path program 1 times [2024-11-12 09:37:40,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:37:40,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125012150] [2024-11-12 09:37:40,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:37:40,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:37:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:37:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:37:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:37:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:37:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:37:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:37:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:37:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:37:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 09:37:40,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:37:40,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125012150] [2024-11-12 09:37:40,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125012150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:37:40,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:37:40,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 09:37:40,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844551573] [2024-11-12 09:37:40,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:37:40,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 09:37:40,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:37:40,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 09:37:40,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:37:40,748 INFO L87 Difference]: Start difference. First operand 1021 states and 1509 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 09:37:44,758 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 [] [2024-11-12 09:37:46,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:37:46,861 INFO L93 Difference]: Finished difference Result 1058 states and 1566 transitions. [2024-11-12 09:37:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 09:37:46,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 90 [2024-11-12 09:37:46,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:37:46,867 INFO L225 Difference]: With dead ends: 1058 [2024-11-12 09:37:46,867 INFO L226 Difference]: Without dead ends: 1056 [2024-11-12 09:37:46,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:37:46,869 INFO L435 NwaCegarLoop]: 1061 mSDtfsCounter, 576 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 179 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 4293 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:37:46,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 4293 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 2496 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-12 09:37:46,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-12 09:37:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1023. [2024-11-12 09:37:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 752 states have (on average 1.4122340425531914) internal successors, (1062), 786 states have internal predecessors, (1062), 225 states have call successors, (225), 45 states have call predecessors, (225), 45 states have return successors, (225), 223 states have call predecessors, (225), 225 states have call successors, (225) [2024-11-12 09:37:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1512 transitions. [2024-11-12 09:37:46,923 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1512 transitions. Word has length 90 [2024-11-12 09:37:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:37:46,924 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1512 transitions. [2024-11-12 09:37:46,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-12 09:37:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1512 transitions. [2024-11-12 09:37:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-12 09:37:46,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:37:46,928 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:37:46,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 09:37:46,929 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:37:46,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:37:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 827046205, now seen corresponding path program 1 times [2024-11-12 09:37:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:37:46,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729417302] [2024-11-12 09:37:46,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:37:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:37:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:37:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:37:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:37:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:37:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:37:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:37:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:37:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:37:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 09:37:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 09:37:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 09:37:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 09:37:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 09:37:47,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:37:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729417302] [2024-11-12 09:37:47,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729417302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:37:47,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:37:47,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:37:47,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665275125] [2024-11-12 09:37:47,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:37:47,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:37:47,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:37:47,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:37:47,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:37:47,384 INFO L87 Difference]: Start difference. First operand 1023 states and 1512 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-12 09:37:51,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:37:55,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:37:58,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:37:58,238 INFO L93 Difference]: Finished difference Result 3018 states and 4473 transitions. [2024-11-12 09:37:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:37:58,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2024-11-12 09:37:58,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:37:58,248 INFO L225 Difference]: With dead ends: 3018 [2024-11-12 09:37:58,249 INFO L226 Difference]: Without dead ends: 2027 [2024-11-12 09:37:58,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:37:58,254 INFO L435 NwaCegarLoop]: 1264 mSDtfsCounter, 2021 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 509 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 2852 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-12 09:37:58,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2218 Valid, 2852 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1448 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2024-11-12 09:37:58,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2024-11-12 09:37:58,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1985. [2024-11-12 09:37:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1460 states have (on average 1.4164383561643836) internal successors, (2068), 1527 states have internal predecessors, (2068), 435 states have call successors, (435), 89 states have call predecessors, (435), 89 states have return successors, (435), 431 states have call predecessors, (435), 435 states have call successors, (435) [2024-11-12 09:37:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2938 transitions. [2024-11-12 09:37:58,344 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2938 transitions. Word has length 122 [2024-11-12 09:37:58,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:37:58,346 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 2938 transitions. [2024-11-12 09:37:58,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-12 09:37:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2938 transitions. [2024-11-12 09:37:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 09:37:58,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:37:58,353 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:37:58,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 09:37:58,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:37:58,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:37:58,354 INFO L85 PathProgramCache]: Analyzing trace with hash -366243905, now seen corresponding path program 1 times [2024-11-12 09:37:58,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:37:58,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905168515] [2024-11-12 09:37:58,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:37:58,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:37:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:37:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:37:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:37:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:37:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:37:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:37:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:37:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:37:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 09:37:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 09:37:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 09:37:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 09:37:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 09:37:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 09:37:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:37:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 09:37:58,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:37:58,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905168515] [2024-11-12 09:37:58,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905168515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:37:58,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:37:58,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:37:58,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326311316] [2024-11-12 09:37:58,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:37:58,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:37:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:37:58,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:37:58,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:37:58,814 INFO L87 Difference]: Start difference. First operand 1985 states and 2938 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-12 09:38:02,823 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 [] [2024-11-12 09:38:04,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:38:04,584 INFO L93 Difference]: Finished difference Result 3028 states and 4468 transitions. [2024-11-12 09:38:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:38:04,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2024-11-12 09:38:04,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:38:04,591 INFO L225 Difference]: With dead ends: 3028 [2024-11-12 09:38:04,591 INFO L226 Difference]: Without dead ends: 1073 [2024-11-12 09:38:04,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:38:04,598 INFO L435 NwaCegarLoop]: 1048 mSDtfsCounter, 456 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 175 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-12 09:38:04,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 3477 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1884 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-12 09:38:04,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-12 09:38:04,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1044. [2024-11-12 09:38:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 767 states have (on average 1.4028683181225554) internal successors, (1076), 801 states have internal predecessors, (1076), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-12 09:38:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1528 transitions. [2024-11-12 09:38:04,647 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1528 transitions. Word has length 124 [2024-11-12 09:38:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:38:04,647 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1528 transitions. [2024-11-12 09:38:04,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-12 09:38:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1528 transitions. [2024-11-12 09:38:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 09:38:04,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:38:04,651 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:38:04,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 09:38:04,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:38:04,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:38:04,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1884630537, now seen corresponding path program 1 times [2024-11-12 09:38:04,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:38:04,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617350868] [2024-11-12 09:38:04,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:38:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:38:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:38:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:38:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:38:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:38:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:38:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:38:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:38:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:38:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:38:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:38:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 09:38:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 09:38:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 09:38:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 09:38:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 09:38:05,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:38:05,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617350868] [2024-11-12 09:38:05,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617350868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:38:05,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:38:05,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:38:05,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302100619] [2024-11-12 09:38:05,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:38:05,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:38:05,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:38:05,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:38:05,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:38:05,302 INFO L87 Difference]: Start difference. First operand 1044 states and 1528 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-12 09:38:09,312 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 [] [2024-11-12 09:38:13,325 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 [] [2024-11-12 09:38:14,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:38:14,980 INFO L93 Difference]: Finished difference Result 2091 states and 3079 transitions. [2024-11-12 09:38:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:38:14,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 124 [2024-11-12 09:38:14,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:38:14,986 INFO L225 Difference]: With dead ends: 2091 [2024-11-12 09:38:14,986 INFO L226 Difference]: Without dead ends: 1100 [2024-11-12 09:38:14,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:38:14,989 INFO L435 NwaCegarLoop]: 1043 mSDtfsCounter, 1646 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 405 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 2357 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-12 09:38:14,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 2357 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1524 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2024-11-12 09:38:14,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-11-12 09:38:15,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1048. [2024-11-12 09:38:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 771 states have (on average 1.4020752269779506) internal successors, (1081), 805 states have internal predecessors, (1081), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-12 09:38:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1533 transitions. [2024-11-12 09:38:15,042 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1533 transitions. Word has length 124 [2024-11-12 09:38:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:38:15,043 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1533 transitions. [2024-11-12 09:38:15,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-12 09:38:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1533 transitions. [2024-11-12 09:38:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-12 09:38:15,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:38:15,051 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:38:15,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 09:38:15,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:38:15,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:38:15,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1506823180, now seen corresponding path program 1 times [2024-11-12 09:38:15,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:38:15,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508651860] [2024-11-12 09:38:15,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:38:15,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:38:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:38:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:38:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:38:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:38:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:38:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:38:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:38:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:38:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:38:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:38:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 09:38:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 09:38:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 09:38:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 09:38:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-12 09:38:15,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:38:15,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508651860] [2024-11-12 09:38:15,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508651860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:38:15,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:38:15,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:38:15,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946529144] [2024-11-12 09:38:15,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:38:15,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:38:15,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:38:15,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:38:15,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:38:15,455 INFO L87 Difference]: Start difference. First operand 1048 states and 1533 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-12 09:38:19,464 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 [] [2024-11-12 09:38:20,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:38:20,744 INFO L93 Difference]: Finished difference Result 2072 states and 3055 transitions. [2024-11-12 09:38:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 09:38:20,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-11-12 09:38:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:38:20,751 INFO L225 Difference]: With dead ends: 2072 [2024-11-12 09:38:20,751 INFO L226 Difference]: Without dead ends: 1077 [2024-11-12 09:38:20,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:38:20,754 INFO L435 NwaCegarLoop]: 1047 mSDtfsCounter, 453 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 178 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2579 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-12 09:38:20,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 2579 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1262 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-12 09:38:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2024-11-12 09:38:20,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1048. [2024-11-12 09:38:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 771 states have (on average 1.398184176394293) internal successors, (1078), 805 states have internal predecessors, (1078), 226 states have call successors, (226), 50 states have call predecessors, (226), 50 states have return successors, (226), 224 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-12 09:38:20,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1530 transitions. [2024-11-12 09:38:20,799 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1530 transitions. Word has length 127 [2024-11-12 09:38:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:38:20,799 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1530 transitions. [2024-11-12 09:38:20,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-12 09:38:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1530 transitions. [2024-11-12 09:38:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-12 09:38:20,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:38:20,804 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:38:20,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 09:38:20,804 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:38:20,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:38:20,805 INFO L85 PathProgramCache]: Analyzing trace with hash -150139687, now seen corresponding path program 1 times [2024-11-12 09:38:20,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:38:20,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041071148] [2024-11-12 09:38:20,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:38:20,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:38:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:38:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:38:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 09:38:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:38:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 09:38:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 09:38:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:38:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:38:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 09:38:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:38:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 09:38:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 09:38:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 09:38:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-12 09:38:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 09:38:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:38:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041071148] [2024-11-12 09:38:21,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041071148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:38:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108367542] [2024-11-12 09:38:21,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:38:21,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:38:21,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:38:21,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 09:38:21,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 09:38:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:38:22,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 09:38:22,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:38:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 09:38:22,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 09:38:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 09:38:22,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108367542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 09:38:22,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 09:38:22,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 11 [2024-11-12 09:38:22,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70235742] [2024-11-12 09:38:22,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 09:38:22,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 09:38:22,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:38:22,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 09:38:22,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-12 09:38:22,590 INFO L87 Difference]: Start difference. First operand 1048 states and 1530 transitions. Second operand has 11 states, 11 states have (on average 16.272727272727273) internal successors, (179), 10 states have internal predecessors, (179), 4 states have call successors, (38), 4 states have call predecessors, (38), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-12 09:38:26,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:38:30,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []