./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 3289d67d 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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:40:53,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:40:53,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:40:53,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:40:53,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:40:53,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:40:53,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:40:53,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:40:53,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:40:53,789 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:40:53,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:40:53,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:40:53,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:40:53,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:40:53,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:40:53,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:40:53,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:40:53,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:40:53,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:40:53,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:40:53,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:40:53,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:40:53,798 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:40:53,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:40:53,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:40:53,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:40:53,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:40:53,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:40:53,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:40:53,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:40:53,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:40:53,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:40:53,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:40:53,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:40:53,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:40:53,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:40:53,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:40:53,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:40:53,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:40:53,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1d21af29f4ede949edccf5cde5ead8be8c34f2f05a7b1635759c90f0d05416 [2024-11-16 20:40:54,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:40:54,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:40:54,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:40:54,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:40:54,059 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:40:54,060 INFO L431 ainManager$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 [2024-11-16 20:40:55,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:40:56,048 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:40:56,050 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 [2024-11-16 20:40:56,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aaa856b8/96daa0b95cce4741914dd13bae59366c/FLAG3c0427d93 [2024-11-16 20:40:56,145 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aaa856b8/96daa0b95cce4741914dd13bae59366c [2024-11-16 20:40:56,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:40:56,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:40:56,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:40:56,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:40:56,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:40:56,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:40:56" (1/1) ... [2024-11-16 20:40:56,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159810c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:56, skipping insertion in model container [2024-11-16 20:40:56,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:40:56" (1/1) ... [2024-11-16 20:40:56,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:40:57,428 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] [2024-11-16 20:40:57,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:40:57,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:40:57,696 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] [2024-11-16 20:40:57,698 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] [2024-11-16 20:40:57,699 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] [2024-11-16 20:40:57,703 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] [2024-11-16 20:40:57,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4750] [2024-11-16 20:40:57,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4753] [2024-11-16 20:40:57,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4756] [2024-11-16 20:40:57,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4759] [2024-11-16 20:40:57,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5123] [2024-11-16 20:40:57,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5127] [2024-11-16 20:40:57,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5131] [2024-11-16 20:40:57,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5135] [2024-11-16 20:40:57,728 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] [2024-11-16 20:40:57,728 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] [2024-11-16 20:40:57,729 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] [2024-11-16 20:40:57,729 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] [2024-11-16 20:40:57,730 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] [2024-11-16 20:40:57,731 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] [2024-11-16 20:40:57,731 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] [2024-11-16 20:40:57,732 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] [2024-11-16 20:40:57,732 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] [2024-11-16 20:40:57,732 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] [2024-11-16 20:40:57,733 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] [2024-11-16 20:40:57,733 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] [2024-11-16 20:40:57,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5254] [2024-11-16 20:40:57,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5258] [2024-11-16 20:40:57,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5262] [2024-11-16 20:40:57,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5266] [2024-11-16 20:40:57,737 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] [2024-11-16 20:40:57,737 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] [2024-11-16 20:40:57,737 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] [2024-11-16 20:40:57,738 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] [2024-11-16 20:40:57,738 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] [2024-11-16 20:40:57,738 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] [2024-11-16 20:40:57,739 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] [2024-11-16 20:40:57,739 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] [2024-11-16 20:40:57,740 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] [2024-11-16 20:40:57,740 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] [2024-11-16 20:40:57,740 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] [2024-11-16 20:40:57,741 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] [2024-11-16 20:40:57,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5409] [2024-11-16 20:40:57,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5413] [2024-11-16 20:40:57,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5417] [2024-11-16 20:40:57,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5421] [2024-11-16 20:40:57,748 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] [2024-11-16 20:40:57,748 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] [2024-11-16 20:40:57,748 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] [2024-11-16 20:40:57,748 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] [2024-11-16 20:40:57,749 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] [2024-11-16 20:40:57,749 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] [2024-11-16 20:40:57,749 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] [2024-11-16 20:40:57,750 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] [2024-11-16 20:40:57,813 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] [2024-11-16 20:40:57,814 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] [2024-11-16 20:40:57,816 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] [2024-11-16 20:40:57,816 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] [2024-11-16 20:40:57,816 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] [2024-11-16 20:40:57,817 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] [2024-11-16 20:40:57,817 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] [2024-11-16 20:40:57,817 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] [2024-11-16 20:40:57,817 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] [2024-11-16 20:40:57,817 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] [2024-11-16 20:40:57,818 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] [2024-11-16 20:40:57,819 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] [2024-11-16 20:40:57,819 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] [2024-11-16 20:40:57,819 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] [2024-11-16 20:40:57,820 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] [2024-11-16 20:40:57,822 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] [2024-11-16 20:40:57,823 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] [2024-11-16 20:40:57,823 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] [2024-11-16 20:40:57,824 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] [2024-11-16 20:40:57,824 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] [2024-11-16 20:40:57,825 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] [2024-11-16 20:40:57,825 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] [2024-11-16 20:40:57,826 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] [2024-11-16 20:40:57,826 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] [2024-11-16 20:40:57,826 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] [2024-11-16 20:40:57,827 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] [2024-11-16 20:40:57,827 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] [2024-11-16 20:40:57,828 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] [2024-11-16 20:40:57,828 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] [2024-11-16 20:40:57,828 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] [2024-11-16 20:40:57,853 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] [2024-11-16 20:40:57,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:40:57,986 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:40:57,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57 WrapperNode [2024-11-16 20:40:57,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:40:57,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:40:57,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:40:57,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:40:57,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,172 INFO L138 Inliner]: procedures = 156, calls = 823, calls flagged for inlining = 81, calls inlined = 80, statements flattened = 3052 [2024-11-16 20:40:58,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:40:58,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:40:58,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:40:58,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:40:58,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,558 INFO L175 MemorySlicer]: Split 420 memory accesses to 11 slices as follows [2, 1, 4, 2, 12, 336, 36, 1, 1, 22, 3]. 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, 1, 1, 0, 12, 105, 36, 0, 0, 22, 0]. [2024-11-16 20:40:58,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,652 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:40:58,747 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:40:58,747 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:40:58,748 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:40:58,749 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (1/1) ... [2024-11-16 20:40:58,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:40:58,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:40:58,785 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) [2024-11-16 20:40:58,790 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 [2024-11-16 20:40:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:40:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:40:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:40:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:40:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:40:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:40:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:40:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 20:40:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 20:40:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-16 20:40:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-16 20:40:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-16 20:40:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-16 20:40:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 20:40:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 20:40:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 20:40:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 20:40:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:40:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:40:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:40:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:40:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:40:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-16 20:40:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-16 20:40:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-16 20:40:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-16 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-16 20:40:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-16 20:40:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-16 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-16 20:40:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 20:40:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-16 20:40:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2024-11-16 20:40:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-16 20:40:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-16 20:40:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-16 20:40:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:40:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:40:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:40:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:40:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:40:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 20:40:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 20:40:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 20:40:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 20:40:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-16 20:40:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-16 20:40:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-16 20:40:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-16 20:40:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-16 20:40:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-16 20:40:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-16 20:40:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-16 20:40:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-16 20:40:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-16 20:40:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-16 20:40:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-16 20:40:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:40:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-16 20:40:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-16 20:40:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-16 20:40:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-16 20:40:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:40:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-16 20:40:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-16 20:40:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-16 20:40:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-16 20:40:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 20:40:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 20:40:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-16 20:40:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-16 20:40:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-16 20:40:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-16 20:40:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:40:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 20:40:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 20:40:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-16 20:40:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-16 20:40:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-16 20:40:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-16 20:40:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-16 20:40:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-16 20:40:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-16 20:40:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-16 20:40:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-16 20:40:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-16 20:40:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-16 20:40:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:40:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-16 20:40:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-16 20:40:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-16 20:40:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-16 20:40:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-16 20:40:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-16 20:40:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-16 20:40:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-16 20:40:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-16 20:40:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-16 20:40:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-16 20:40:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-16 20:40:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-16 20:40:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-16 20:40:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-16 20:40:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-16 20:40:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-16 20:40:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-16 20:40:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-16 20:40:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-16 20:40:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-16 20:40:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-16 20:40:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:40:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:40:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:40:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:40:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:40:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:40:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:40:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 20:40:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 20:40:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 20:40:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 20:40:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-16 20:40:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-16 20:40:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-16 20:40:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-16 20:40:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-16 20:40:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-16 20:40:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-16 20:40:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:40:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:40:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-16 20:40:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-16 20:40:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-16 20:40:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-16 20:40:59,426 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:40:59,430 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:40:59,541 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7183: havoc #t~nondet548; [2024-11-16 20:40:59,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4847: havoc ~res~0#1.base, ~res~0#1.offset; [2024-11-16 20:40:59,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4735: havoc #t~mem2;havoc #t~bitwise3; [2024-11-16 20:40:59,633 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop_returnLabel#1: assume true;assume { :end_inline_ldv_stop } true; [2024-11-16 20:40:59,738 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186: havoc #t~ret549.base, #t~ret549.offset; [2024-11-16 20:40:59,844 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7179: havoc #t~nondet547; [2024-11-16 20:41:00,127 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc slhc_uncompress_#t~nondet564#1; [2024-11-16 20:41:00,127 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7264: havoc slhc_remember_#t~nondet563#1; [2024-11-16 20:41:00,127 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7227: havoc netif_rx_#t~nondet554#1; [2024-11-16 20:41:00,282 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7150: havoc _copy_to_user_#t~nondet544#1; [2024-11-16 20:41:00,283 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7283: havoc tty_mode_ioctl_#t~nondet567#1; [2024-11-16 20:41:00,501 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7219: havoc #t~nondet552; [2024-11-16 20:41:00,594 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7276: havoc #t~nondet566; [2024-11-16 20:41:00,596 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7235: havoc #t~nondet556; [2024-11-16 20:41:00,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4857: havoc __kmalloc_#t~ret46#1.base, __kmalloc_#t~ret46#1.offset; [2024-11-16 20:41:00,609 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4897: havoc #t~mem56.base, #t~mem56.offset; [2024-11-16 20:41:05,803 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7172: havoc capable_#t~nondet546#1; [2024-11-16 20:41:05,803 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7239: havoc register_netdevice_#t~nondet557#1; [2024-11-16 20:41:05,803 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: call ULTIMATE.dealloc(sl_outfill_~#s~0#1.base, sl_outfill_~#s~0#1.offset);havoc sl_outfill_~#s~0#1.base, sl_outfill_~#s~0#1.offset; [2024-11-16 20:41:05,803 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7112-1: ldv_register_netdevice_2_#res#1 := ldv_register_netdevice_2_~ldv_func_res~1#1; [2024-11-16 20:41:05,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5593: call ULTIMATE.dealloc(sl_encaps_~#p~0#1.base, sl_encaps_~#p~0#1.offset);havoc sl_encaps_~#p~0#1.base, sl_encaps_~#p~0#1.offset; [2024-11-16 20:41:05,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6917: call ULTIMATE.dealloc(main_~#var_group3~0#1.base, main_~#var_group3~0#1.offset);havoc main_~#var_group3~0#1.base, main_~#var_group3~0#1.offset;call ULTIMATE.dealloc(main_~#var_group4~0#1.base, main_~#var_group4~0#1.offset);havoc main_~#var_group4~0#1.base, main_~#var_group4~0#1.offset;call ULTIMATE.dealloc(main_~#var_group5~0#1.base, main_~#var_group5~0#1.offset);havoc main_~#var_group5~0#1.base, main_~#var_group5~0#1.offset; [2024-11-16 20:41:05,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7254: havoc slhc_compress_#t~nondet561#1; [2024-11-16 20:41:05,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7190: havoc dev_close_#t~nondet550#1; [2024-11-16 20:41:05,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7194: havoc dev_trans_start_#t~nondet551#1; [2024-11-16 20:41:05,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7260: havoc slhc_init_#t~ret562#1.base, slhc_init_#t~ret562#1.offset; [2024-11-16 20:41:05,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7272: havoc tty_chars_in_buffer_#t~nondet565#1; [2024-11-16 20:41:05,805 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc tty_register_ldisc_#t~nondet568#1; [2024-11-16 20:41:05,805 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5966: call ULTIMATE.dealloc(sl_alloc_~#name~0#1.base, sl_alloc_~#name~0#1.offset);havoc sl_alloc_~#name~0#1.base, sl_alloc_~#name~0#1.offset;call ULTIMATE.dealloc(sl_alloc_~#__key~0#1.base, sl_alloc_~#__key~0#1.offset);havoc sl_alloc_~#__key~0#1.base, sl_alloc_~#__key~0#1.offset;call ULTIMATE.dealloc(sl_alloc_~#__key___0~0#1.base, sl_alloc_~#__key___0~0#1.offset);havoc sl_alloc_~#__key___0~0#1.base, sl_alloc_~#__key___0~0#1.offset;call ULTIMATE.dealloc(sl_alloc_~#__key___1~0#1.base, sl_alloc_~#__key___1~0#1.offset);havoc sl_alloc_~#__key___1~0#1.base, sl_alloc_~#__key___1~0#1.offset; [2024-11-16 20:41:05,805 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7223: havoc msleep_interruptible_#t~nondet553#1; [2024-11-16 20:41:05,805 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7291: havoc tty_unregister_ldisc_#t~nondet569#1; [2024-11-16 20:41:05,805 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6102: havoc slip_open_#t~mem341#1.base, slip_open_#t~mem341#1.offset;havoc slip_open_#t~mem342#1; [2024-11-16 20:41:05,805 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099-1: ldv_sl_alloc_bufs_1_#res#1 := ldv_sl_alloc_bufs_1_~ldv_func_res~0#1; [2024-11-16 20:41:05,805 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7168: havoc alloc_netdev_mqs_#t~ret545#1.base, alloc_netdev_mqs_#t~ret545#1.offset; [2024-11-16 20:41:05,827 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7231: havoc netpoll_trap_#t~nondet555#1; [2024-11-16 20:41:06,212 INFO L? ?]: Removed 1468 outVars from TransFormulas that were not future-live. [2024-11-16 20:41:06,212 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:41:06,279 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:41:06,279 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-16 20:41:06,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:41:06 BoogieIcfgContainer [2024-11-16 20:41:06,280 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:41:06,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:41:06,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:41:06,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:41:06,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:40:56" (1/3) ... [2024-11-16 20:41:06,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c621a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:41:06, skipping insertion in model container [2024-11-16 20:41:06,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:40:57" (2/3) ... [2024-11-16 20:41:06,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c621a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:41:06, skipping insertion in model container [2024-11-16 20:41:06,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:41:06" (3/3) ... [2024-11-16 20:41:06,289 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2024-11-16 20:41:06,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:41:06,308 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:41:06,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:41:06,424 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;@60d83156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:41:06,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:41:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 1095 states, 814 states have (on average 1.4066339066339066) internal successors, (1145), 852 states have internal predecessors, (1145), 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) [2024-11-16 20:41:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-16 20:41:06,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:06,451 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:06,452 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:06,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:06,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1004600876, now seen corresponding path program 1 times [2024-11-16 20:41:06,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:06,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549390000] [2024-11-16 20:41:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:06,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:41:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:41:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:41:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:41:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:41:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-16 20:41:07,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:07,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549390000] [2024-11-16 20:41:07,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549390000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:07,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:07,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:41:07,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591159031] [2024-11-16 20:41:07,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:07,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:41:07,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:07,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:41:07,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:41:07,662 INFO L87 Difference]: Start difference. First operand has 1095 states, 814 states have (on average 1.4066339066339066) internal successors, (1145), 852 states have internal predecessors, (1145), 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 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-16 20:41:11,694 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 [] [2024-11-16 20:41:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:13,443 INFO L93 Difference]: Finished difference Result 2205 states and 3269 transitions. [2024-11-16 20:41:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 20:41:13,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 79 [2024-11-16 20:41:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:13,464 INFO L225 Difference]: With dead ends: 2205 [2024-11-16 20:41:13,465 INFO L226 Difference]: Without dead ends: 1067 [2024-11-16 20:41:13,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:13,475 INFO L432 NwaCegarLoop]: 1127 mSDtfsCounter, 1760 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 402 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:13,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 1803 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 739 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-16 20:41:13,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-16 20:41:13,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1047. [2024-11-16 20:41:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 777 states have (on average 1.398970398970399) internal successors, (1087), 812 states have internal predecessors, (1087), 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) [2024-11-16 20:41:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1535 transitions. [2024-11-16 20:41:13,625 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1535 transitions. Word has length 79 [2024-11-16 20:41:13,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:13,626 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1535 transitions. [2024-11-16 20:41:13,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-16 20:41:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1535 transitions. [2024-11-16 20:41:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-16 20:41:13,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:13,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:13,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:41:13,632 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:13,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:13,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2123670101, now seen corresponding path program 1 times [2024-11-16 20:41:13,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:13,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649589969] [2024-11-16 20:41:13,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:13,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:41:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:41:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:41:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:41:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:41:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-16 20:41:14,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:14,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649589969] [2024-11-16 20:41:14,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649589969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:14,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:14,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:41:14,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066964565] [2024-11-16 20:41:14,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:14,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:41:14,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:14,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:41:14,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:14,378 INFO L87 Difference]: Start difference. First operand 1047 states and 1535 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-16 20:41:18,389 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 [] [2024-11-16 20:41:20,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:20,505 INFO L93 Difference]: Finished difference Result 1072 states and 1574 transitions. [2024-11-16 20:41:20,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:41:20,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 79 [2024-11-16 20:41:20,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:20,514 INFO L225 Difference]: With dead ends: 1072 [2024-11-16 20:41:20,514 INFO L226 Difference]: Without dead ends: 1069 [2024-11-16 20:41:20,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:20,516 INFO L432 NwaCegarLoop]: 1070 mSDtfsCounter, 462 mSDsluCounter, 2481 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 174 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:20,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 3551 Invalid, 2132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 1957 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-16 20:41:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-16 20:41:20,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1049. [2024-11-16 20:41:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 779 states have (on average 1.397946084724005) internal successors, (1089), 814 states have internal predecessors, (1089), 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) [2024-11-16 20:41:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1537 transitions. [2024-11-16 20:41:20,580 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1537 transitions. Word has length 79 [2024-11-16 20:41:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:20,580 INFO L471 AbstractCegarLoop]: Abstraction has 1049 states and 1537 transitions. [2024-11-16 20:41:20,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-16 20:41:20,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1537 transitions. [2024-11-16 20:41:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 20:41:20,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:20,586 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:20,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:41:20,587 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:20,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash 878747413, now seen corresponding path program 1 times [2024-11-16 20:41:20,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292175205] [2024-11-16 20:41:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:41:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:41:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:41:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:41:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:41:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 20:41:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-16 20:41:21,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:21,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292175205] [2024-11-16 20:41:21,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292175205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:21,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:21,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:41:21,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288068545] [2024-11-16 20:41:21,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:21,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:41:21,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:41:21,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:21,244 INFO L87 Difference]: Start difference. First operand 1049 states and 1537 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-16 20:41:25,256 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 [] [2024-11-16 20:41:29,264 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 [] [2024-11-16 20:41:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:31,300 INFO L93 Difference]: Finished difference Result 2099 states and 3083 transitions. [2024-11-16 20:41:31,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:41:31,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 92 [2024-11-16 20:41:31,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:31,309 INFO L225 Difference]: With dead ends: 2099 [2024-11-16 20:41:31,309 INFO L226 Difference]: Without dead ends: 1082 [2024-11-16 20:41:31,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:41:31,318 INFO L432 NwaCegarLoop]: 1052 mSDtfsCounter, 1682 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 398 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:31,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 2390 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 1554 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-11-16 20:41:31,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-16 20:41:31,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1051. [2024-11-16 20:41:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 781 states have (on average 1.3969270166453265) internal successors, (1091), 816 states have internal predecessors, (1091), 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) [2024-11-16 20:41:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1539 transitions. [2024-11-16 20:41:31,376 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1539 transitions. Word has length 92 [2024-11-16 20:41:31,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:31,376 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1539 transitions. [2024-11-16 20:41:31,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-16 20:41:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1539 transitions. [2024-11-16 20:41:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 20:41:31,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:31,385 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:31,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 20:41:31,385 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:31,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:31,386 INFO L85 PathProgramCache]: Analyzing trace with hash 406567640, now seen corresponding path program 1 times [2024-11-16 20:41:31,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:31,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462908314] [2024-11-16 20:41:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:31,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:41:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:41:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:41:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:41:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:41:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:41:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-16 20:41:32,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:32,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462908314] [2024-11-16 20:41:32,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462908314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:32,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:32,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:41:32,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126365599] [2024-11-16 20:41:32,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:32,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:41:32,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:32,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:41:32,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:41:32,081 INFO L87 Difference]: Start difference. First operand 1051 states and 1539 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-16 20:41:36,094 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 [] [2024-11-16 20:41:38,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:38,870 INFO L93 Difference]: Finished difference Result 1090 states and 1598 transitions. [2024-11-16 20:41:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 20:41:38,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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 94 [2024-11-16 20:41:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:38,877 INFO L225 Difference]: With dead ends: 1090 [2024-11-16 20:41:38,877 INFO L226 Difference]: Without dead ends: 1087 [2024-11-16 20:41:38,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:41:38,879 INFO L432 NwaCegarLoop]: 1076 mSDtfsCounter, 586 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 179 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 4357 SdHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:38,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 4357 Invalid, 2763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 2583 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-11-16 20:41:38,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-16 20:41:38,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1054. [2024-11-16 20:41:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 783 states have (on average 1.3959131545338441) internal successors, (1093), 817 states have internal predecessors, (1093), 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) [2024-11-16 20:41:38,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1543 transitions. [2024-11-16 20:41:38,921 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1543 transitions. Word has length 94 [2024-11-16 20:41:38,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:38,922 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1543 transitions. [2024-11-16 20:41:38,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-16 20:41:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1543 transitions. [2024-11-16 20:41:38,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-16 20:41:38,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:38,927 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:38,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 20:41:38,928 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:38,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:38,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1903893409, now seen corresponding path program 1 times [2024-11-16 20:41:38,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:38,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882754917] [2024-11-16 20:41:38,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:38,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:41:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:41:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:41:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:41:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:41:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:41:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:41:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 20:41:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 20:41:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 20:41:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:39,478 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-16 20:41:39,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:39,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882754917] [2024-11-16 20:41:39,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882754917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:39,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:39,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:41:39,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109572342] [2024-11-16 20:41:39,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:39,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:41:39,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:39,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:41:39,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:41:39,481 INFO L87 Difference]: Start difference. First operand 1054 states and 1543 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-16 20:41:43,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:41:47,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:41:50,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:50,454 INFO L93 Difference]: Finished difference Result 3108 states and 4563 transitions. [2024-11-16 20:41:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:41:50,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 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 125 [2024-11-16 20:41:50,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:50,468 INFO L225 Difference]: With dead ends: 3108 [2024-11-16 20:41:50,469 INFO L226 Difference]: Without dead ends: 2086 [2024-11-16 20:41:50,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:50,474 INFO L432 NwaCegarLoop]: 1271 mSDtfsCounter, 2059 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 509 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2259 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:50,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2259 Valid, 2872 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1506 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-16 20:41:50,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2024-11-16 20:41:50,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2043. [2024-11-16 20:41:50,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 1518 states have (on average 1.4005270092226614) internal successors, (2126), 1585 states have internal predecessors, (2126), 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) [2024-11-16 20:41:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2996 transitions. [2024-11-16 20:41:50,581 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2996 transitions. Word has length 125 [2024-11-16 20:41:50,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:50,583 INFO L471 AbstractCegarLoop]: Abstraction has 2043 states and 2996 transitions. [2024-11-16 20:41:50,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-16 20:41:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2996 transitions. [2024-11-16 20:41:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-16 20:41:50,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:50,591 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:50,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 20:41:50,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:50,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:50,592 INFO L85 PathProgramCache]: Analyzing trace with hash -683999667, now seen corresponding path program 1 times [2024-11-16 20:41:50,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:50,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937836655] [2024-11-16 20:41:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:41:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:41:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:41:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:41:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 20:41:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 20:41:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 20:41:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 20:41:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 20:41:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 20:41:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 20:41:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-16 20:41:51,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:51,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937836655] [2024-11-16 20:41:51,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937836655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:51,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:51,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:41:51,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106883246] [2024-11-16 20:41:51,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:51,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:41:51,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:51,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:41:51,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:51,184 INFO L87 Difference]: Start difference. First operand 2043 states and 2996 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-16 20:41:55,196 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 [] [2024-11-16 20:41:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:57,283 INFO L93 Difference]: Finished difference Result 3117 states and 4557 transitions. [2024-11-16 20:41:57,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:41:57,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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 127 [2024-11-16 20:41:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:57,290 INFO L225 Difference]: With dead ends: 3117 [2024-11-16 20:41:57,290 INFO L226 Difference]: Without dead ends: 1104 [2024-11-16 20:41:57,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:57,297 INFO L432 NwaCegarLoop]: 1059 mSDtfsCounter, 462 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 175 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:57,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 3521 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1950 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-16 20:41:57,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2024-11-16 20:41:57,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1075. [2024-11-16 20:41:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 798 states have (on average 1.387218045112782) internal successors, (1107), 832 states have internal predecessors, (1107), 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) [2024-11-16 20:41:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1559 transitions. [2024-11-16 20:41:57,356 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1559 transitions. Word has length 127 [2024-11-16 20:41:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:57,356 INFO L471 AbstractCegarLoop]: Abstraction has 1075 states and 1559 transitions. [2024-11-16 20:41:57,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-16 20:41:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1559 transitions. [2024-11-16 20:41:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 20:41:57,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:57,360 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:57,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 20:41:57,361 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:57,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:57,361 INFO L85 PathProgramCache]: Analyzing trace with hash 487220640, now seen corresponding path program 1 times [2024-11-16 20:41:57,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:57,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229259850] [2024-11-16 20:41:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:57,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:41:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:41:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:41:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:41:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:41:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:41:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 20:41:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:41:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 20:41:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 20:41:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-16 20:41:58,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:58,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229259850] [2024-11-16 20:41:58,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229259850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:58,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:58,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:41:58,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103246941] [2024-11-16 20:41:58,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:58,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:41:58,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:58,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:41:58,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:41:58,076 INFO L87 Difference]: Start difference. First operand 1075 states and 1559 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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) [2024-11-16 20:42:02,088 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 [] [2024-11-16 20:42:06,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:42:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:42:07,787 INFO L93 Difference]: Finished difference Result 2156 states and 3144 transitions. [2024-11-16 20:42:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:42:07,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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 129 [2024-11-16 20:42:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:42:07,795 INFO L225 Difference]: With dead ends: 2156 [2024-11-16 20:42:07,795 INFO L226 Difference]: Without dead ends: 1134 [2024-11-16 20:42:07,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:42:07,799 INFO L432 NwaCegarLoop]: 1050 mSDtfsCounter, 1682 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 405 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-16 20:42:07,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 2384 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1569 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-11-16 20:42:07,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2024-11-16 20:42:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1081. [2024-11-16 20:42:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 804 states have (on average 1.3855721393034826) internal successors, (1114), 838 states have internal predecessors, (1114), 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) [2024-11-16 20:42:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1566 transitions. [2024-11-16 20:42:07,855 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1566 transitions. Word has length 129 [2024-11-16 20:42:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:42:07,855 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1566 transitions. [2024-11-16 20:42:07,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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) [2024-11-16 20:42:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1566 transitions. [2024-11-16 20:42:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 20:42:07,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:42:07,860 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:42:07,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 20:42:07,860 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:42:07,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:42:07,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1735034653, now seen corresponding path program 1 times [2024-11-16 20:42:07,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:42:07,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247623862] [2024-11-16 20:42:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:42:07,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:42:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:42:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:42:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:42:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:42:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:42:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:42:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:42:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:42:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:42:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:42:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 20:42:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 20:42:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 20:42:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 20:42:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 20:42:08,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:42:08,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247623862] [2024-11-16 20:42:08,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247623862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:42:08,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:42:08,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:42:08,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049792500] [2024-11-16 20:42:08,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:42:08,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:42:08,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:42:08,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:42:08,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:42:08,347 INFO L87 Difference]: Start difference. First operand 1081 states and 1566 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-11-16 20:42:12,359 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 [] [2024-11-16 20:42:13,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:42:13,862 INFO L93 Difference]: Finished difference Result 2138 states and 3121 transitions. [2024-11-16 20:42:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 20:42:13,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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 133 [2024-11-16 20:42:13,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:42:13,869 INFO L225 Difference]: With dead ends: 2138 [2024-11-16 20:42:13,869 INFO L226 Difference]: Without dead ends: 1110 [2024-11-16 20:42:13,872 INFO L431 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 [2024-11-16 20:42:13,873 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 459 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 178 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 2603 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-16 20:42:13,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 2603 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1310 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-16 20:42:13,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-16 20:42:13,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1081. [2024-11-16 20:42:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 804 states have (on average 1.3818407960199004) internal successors, (1111), 838 states have internal predecessors, (1111), 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) [2024-11-16 20:42:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1563 transitions. [2024-11-16 20:42:13,928 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1563 transitions. Word has length 133 [2024-11-16 20:42:13,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:42:13,928 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1563 transitions. [2024-11-16 20:42:13,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-11-16 20:42:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1563 transitions. [2024-11-16 20:42:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 20:42:13,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:42:13,933 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:42:13,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 20:42:13,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:42:13,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:42:13,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2144864201, now seen corresponding path program 1 times [2024-11-16 20:42:13,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:42:13,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388080038] [2024-11-16 20:42:13,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:42:13,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:42:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:42:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:42:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:42:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 20:42:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 20:42:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 20:42:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:42:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:42:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 20:42:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:42:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 20:42:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 20:42:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 20:42:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 20:42:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-16 20:42:14,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:42:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388080038] [2024-11-16 20:42:14,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388080038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:42:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334081496] [2024-11-16 20:42:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:42:14,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:42:14,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:42:14,613 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) [2024-11-16 20:42:14,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 20:42:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:42:15,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 20:42:15,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:42:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-16 20:42:15,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 20:42:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-16 20:42:16,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334081496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 20:42:16,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 20:42:16,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 11 [2024-11-16 20:42:16,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735472274] [2024-11-16 20:42:16,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 20:42:16,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 20:42:16,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:42:16,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 20:42:16,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-16 20:42:16,022 INFO L87 Difference]: Start difference. First operand 1081 states and 1563 transitions. Second operand has 11 states, 11 states have (on average 17.363636363636363) internal successors, (191), 10 states have internal predecessors, (191), 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)