./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --preprocessor.use.memory.slicer true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fba957c5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:08:55,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:08:55,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 10:08:55,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:08:55,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:08:55,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:08:55,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:08:55,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:08:55,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:08:55,145 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:08:55,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:08:55,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:08:55,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:08:55,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:08:55,147 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:08:55,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:08:55,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:08:55,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 10:08:55,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:08:55,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:08:55,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:08:55,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:08:55,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:08:55,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:08:55,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:08:55,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:08:55,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:08:55,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:08:55,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:08:55,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:08:55,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:08:55,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:08:55,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 10:08:55,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 10:08:55,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:08:55,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:08:55,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:08:55,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:08:55,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:08:55,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 10:08:55,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:08:55,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:08:55,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:08:55,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:08:55,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:08:55,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 10:08:56,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:08:56,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:08:56,923 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 10:08:56,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a6a6402/f223b11431604c1499bd077de7f7d10c/FLAG9605ab0d8 [2023-11-23 10:08:56,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a6a6402/f223b11431604c1499bd077de7f7d10c [2023-11-23 10:08:56,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:08:56,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:08:56,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:08:56,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:08:56,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:08:56,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:08:56" (1/1) ... [2023-11-23 10:08:56,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b1104b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:56, skipping insertion in model container [2023-11-23 10:08:56,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:08:56" (1/1) ... [2023-11-23 10:08:57,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:08:57,940 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2023-11-23 10:08:57,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:08:58,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:08:58,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4690] [2023-11-23 10:08:58,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4697] [2023-11-23 10:08:58,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4705-4706] [2023-11-23 10:08:58,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4714-4715] [2023-11-23 10:08:58,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4843] [2023-11-23 10:08:58,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4846] [2023-11-23 10:08:58,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4849] [2023-11-23 10:08:58,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4852] [2023-11-23 10:08:58,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5234] [2023-11-23 10:08:58,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5238] [2023-11-23 10:08:58,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5242] [2023-11-23 10:08:58,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5246] [2023-11-23 10:08:58,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5257] [2023-11-23 10:08:58,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5261] [2023-11-23 10:08:58,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5265] [2023-11-23 10:08:58,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5269] [2023-11-23 10:08:58,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5280] [2023-11-23 10:08:58,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5284] [2023-11-23 10:08:58,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5288] [2023-11-23 10:08:58,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5292] [2023-11-23 10:08:58,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5303] [2023-11-23 10:08:58,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5307] [2023-11-23 10:08:58,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5311] [2023-11-23 10:08:58,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5315] [2023-11-23 10:08:58,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5365] [2023-11-23 10:08:58,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5369] [2023-11-23 10:08:58,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5373] [2023-11-23 10:08:58,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5377] [2023-11-23 10:08:58,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5388] [2023-11-23 10:08:58,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5392] [2023-11-23 10:08:58,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5396] [2023-11-23 10:08:58,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5400] [2023-11-23 10:08:58,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5411] [2023-11-23 10:08:58,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5415] [2023-11-23 10:08:58,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5419] [2023-11-23 10:08:58,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5423] [2023-11-23 10:08:58,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5434] [2023-11-23 10:08:58,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5438] [2023-11-23 10:08:58,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5442] [2023-11-23 10:08:58,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5446] [2023-11-23 10:08:58,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5520] [2023-11-23 10:08:58,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5524] [2023-11-23 10:08:58,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5528] [2023-11-23 10:08:58,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5532] [2023-11-23 10:08:58,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5543] [2023-11-23 10:08:58,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5547] [2023-11-23 10:08:58,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5551] [2023-11-23 10:08:58,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5555] [2023-11-23 10:08:58,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5566] [2023-11-23 10:08:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5570] [2023-11-23 10:08:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5574] [2023-11-23 10:08:58,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5578] [2023-11-23 10:08:58,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6518] [2023-11-23 10:08:58,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6521] [2023-11-23 10:08:58,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6524] [2023-11-23 10:08:58,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6527] [2023-11-23 10:08:58,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6530] [2023-11-23 10:08:58,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6543] [2023-11-23 10:08:58,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6546] [2023-11-23 10:08:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6549] [2023-11-23 10:08:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6552] [2023-11-23 10:08:58,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6555] [2023-11-23 10:08:58,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6577] [2023-11-23 10:08:58,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6580] [2023-11-23 10:08:58,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6583] [2023-11-23 10:08:58,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6586] [2023-11-23 10:08:58,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6589] [2023-11-23 10:08:58,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6622-6623] [2023-11-23 10:08:58,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6626-6627] [2023-11-23 10:08:58,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6630-6631] [2023-11-23 10:08:58,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6634-6635] [2023-11-23 10:08:58,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6638-6639] [2023-11-23 10:08:58,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6652] [2023-11-23 10:08:58,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6655] [2023-11-23 10:08:58,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6658] [2023-11-23 10:08:58,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6661] [2023-11-23 10:08:58,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6664] [2023-11-23 10:08:58,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6697-6698] [2023-11-23 10:08:58,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6701-6702] [2023-11-23 10:08:58,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6705-6706] [2023-11-23 10:08:58,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6709-6710] [2023-11-23 10:08:58,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6713-6714] [2023-11-23 10:08:58,266 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2023-11-23 10:08:58,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:08:58,409 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:08:58,410 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:08:58,410 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:08:58,416 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:08:58,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58 WrapperNode [2023-11-23 10:08:58,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:08:58,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:08:58,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:08:58,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:08:58,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:58,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:58,556 INFO L138 Inliner]: procedures = 187, calls = 890, calls flagged for inlining = 93, calls inlined = 91, statements flattened = 3369 [2023-11-23 10:08:58,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:08:58,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:08:58,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:08:58,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:08:58,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:58,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:58,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:58,950 INFO L175 MemorySlicer]: Split 435 memory accesses to 12 slices as follows [2, 4, 3, 1, 16, 35, 20, 347, 0, 2, 5, 0]. 80 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 0, 0, 0, 0, 35, 20, 5, 0, 0, 5, 0]. The 123 writes are split as follows [0, 1, 0, 0, 2, 0, 0, 120, 0, 0, 0, 0]. [2023-11-23 10:08:58,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:58,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:59,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:59,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:59,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:59,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:59,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:08:59,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:08:59,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:08:59,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:08:59,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (1/1) ... [2023-11-23 10:08:59,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:08:59,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:08:59,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:08:59,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:08:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-23 10:08:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-23 10:08:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2023-11-23 10:08:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2023-11-23 10:08:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 10:08:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 10:08:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 10:08:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 10:08:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 10:08:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 10:08:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-23 10:08:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-23 10:08:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 10:08:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 10:08:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 10:08:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 10:08:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 10:08:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 10:08:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 10:08:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 10:08:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 10:08:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 10:08:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 10:08:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 10:08:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 10:08:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 10:08:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 10:08:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 10:08:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 10:08:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 10:08:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 10:08:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 10:08:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 10:08:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 10:08:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 10:08:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 10:08:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 10:08:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 10:08:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 10:08:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 10:08:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 10:08:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 10:08:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 10:08:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 10:08:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 10:08:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 10:08:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 10:08:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 10:08:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-11-23 10:08:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-11-23 10:08:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-23 10:08:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-23 10:08:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-23 10:08:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-23 10:08:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-23 10:08:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-23 10:08:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-23 10:08:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-23 10:08:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-23 10:08:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-23 10:08:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-23 10:08:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-23 10:08:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-23 10:08:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-23 10:08:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-23 10:08:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 10:08:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 10:08:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 10:08:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 10:08:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 10:08:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 10:08:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-23 10:08:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-23 10:08:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 10:08:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 10:08:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2023-11-23 10:08:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 10:08:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 10:08:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 10:08:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 10:08:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 10:08:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 10:08:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 10:08:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 10:08:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 10:08:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 10:08:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 10:08:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 10:08:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 10:08:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 10:08:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 10:08:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 10:08:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 10:08:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 10:08:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-23 10:08:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-23 10:08:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 10:08:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 10:08:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2023-11-23 10:08:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2023-11-23 10:08:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2023-11-23 10:08:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2023-11-23 10:08:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:08:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 10:08:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2023-11-23 10:08:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 10:08:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-23 10:08:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-23 10:08:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2023-11-23 10:08:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2023-11-23 10:08:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 10:08:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 10:08:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2023-11-23 10:08:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2023-11-23 10:08:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 10:08:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 10:08:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 10:08:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 10:08:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 10:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 10:08:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 10:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 10:08:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 10:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2023-11-23 10:08:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2023-11-23 10:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2023-11-23 10:08:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2023-11-23 10:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 10:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-23 10:08:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-23 10:08:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 10:08:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 10:08:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 10:08:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 10:08:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2023-11-23 10:08:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 10:08:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 10:08:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 10:08:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 10:08:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 10:08:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-23 10:08:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-23 10:08:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 10:08:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:08:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2023-11-23 10:08:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2023-11-23 10:08:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-23 10:08:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-23 10:08:59,711 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:08:59,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:08:59,953 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 10:09:03,767 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:09:03,899 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:09:03,899 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 10:09:03,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:09:03 BoogieIcfgContainer [2023-11-23 10:09:03,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:09:03,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:09:03,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:09:03,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:09:03,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:08:56" (1/3) ... [2023-11-23 10:09:03,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5dc175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:09:03, skipping insertion in model container [2023-11-23 10:09:03,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:58" (2/3) ... [2023-11-23 10:09:03,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5dc175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:09:03, skipping insertion in model container [2023-11-23 10:09:03,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:09:03" (3/3) ... [2023-11-23 10:09:03,911 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 10:09:03,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:09:03,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:09:03,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:09:03,981 INFO L357 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, mHoare=true, 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;@c790961, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:09:03,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:09:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 1043 states, 736 states have (on average 1.5013586956521738) internal successors, (1105), 768 states have internal predecessors, (1105), 252 states have call successors, (252), 54 states have call predecessors, (252), 53 states have return successors, (247), 245 states have call predecessors, (247), 247 states have call successors, (247) [2023-11-23 10:09:04,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 10:09:04,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:04,006 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:04,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:04,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:04,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1059308864, now seen corresponding path program 1 times [2023-11-23 10:09:04,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:04,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855362926] [2023-11-23 10:09:04,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-23 10:09:04,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:04,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855362926] [2023-11-23 10:09:04,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855362926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:04,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:04,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 10:09:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293949086] [2023-11-23 10:09:04,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:04,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 10:09:04,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 10:09:04,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 10:09:04,693 INFO L87 Difference]: Start difference. First operand has 1043 states, 736 states have (on average 1.5013586956521738) internal successors, (1105), 768 states have internal predecessors, (1105), 252 states have call successors, (252), 54 states have call predecessors, (252), 53 states have return successors, (247), 245 states have call predecessors, (247), 247 states have call successors, (247) Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 10:09:07,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:09,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:09,278 INFO L93 Difference]: Finished difference Result 2206 states and 3455 transitions. [2023-11-23 10:09:09,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 10:09:09,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2023-11-23 10:09:09,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:09,303 INFO L225 Difference]: With dead ends: 2206 [2023-11-23 10:09:09,303 INFO L226 Difference]: Without dead ends: 1127 [2023-11-23 10:09:09,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:09:09,313 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 1648 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 1090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1090 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:09,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 2167 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1090 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 10:09:09,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2023-11-23 10:09:09,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1005. [2023-11-23 10:09:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 713 states have (on average 1.4894810659186535) internal successors, (1062), 737 states have internal predecessors, (1062), 238 states have call successors, (238), 53 states have call predecessors, (238), 53 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-23 10:09:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1538 transitions. [2023-11-23 10:09:09,439 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1538 transitions. Word has length 134 [2023-11-23 10:09:09,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:09,439 INFO L495 AbstractCegarLoop]: Abstraction has 1005 states and 1538 transitions. [2023-11-23 10:09:09,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 10:09:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1538 transitions. [2023-11-23 10:09:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 10:09:09,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:09,448 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:09,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 10:09:09,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:09,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:09,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1518630710, now seen corresponding path program 1 times [2023-11-23 10:09:09,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:09,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520547025] [2023-11-23 10:09:09,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-23 10:09:09,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:09,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520547025] [2023-11-23 10:09:09,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520547025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:09,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:09,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 10:09:09,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691996493] [2023-11-23 10:09:09,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:09,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:09:09,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:09,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:09:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 10:09:09,751 INFO L87 Difference]: Start difference. First operand 1005 states and 1538 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 10:09:14,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:17,124 INFO L93 Difference]: Finished difference Result 2726 states and 4191 transitions. [2023-11-23 10:09:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:09:17,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 134 [2023-11-23 10:09:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:17,133 INFO L225 Difference]: With dead ends: 2726 [2023-11-23 10:09:17,133 INFO L226 Difference]: Without dead ends: 1753 [2023-11-23 10:09:17,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:09:17,136 INFO L413 NwaCegarLoop]: 707 mSDtfsCounter, 3798 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 2348 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3899 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 5265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2348 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:17,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3899 Valid, 2531 Invalid, 5265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2348 Valid, 2916 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 10:09:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2023-11-23 10:09:17,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1535. [2023-11-23 10:09:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1535 states, 1075 states have (on average 1.4697674418604652) internal successors, (1580), 1108 states have internal predecessors, (1580), 366 states have call successors, (366), 93 states have call predecessors, (366), 93 states have return successors, (366), 363 states have call predecessors, (366), 366 states have call successors, (366) [2023-11-23 10:09:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2312 transitions. [2023-11-23 10:09:17,199 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2312 transitions. Word has length 134 [2023-11-23 10:09:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:17,201 INFO L495 AbstractCegarLoop]: Abstraction has 1535 states and 2312 transitions. [2023-11-23 10:09:17,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 10:09:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2312 transitions. [2023-11-23 10:09:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-23 10:09:17,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:17,207 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:17,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 10:09:17,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:17,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:17,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1206547868, now seen corresponding path program 1 times [2023-11-23 10:09:17,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:17,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265745702] [2023-11-23 10:09:17,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:09:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:09:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:09:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:09:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:09:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:09:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-23 10:09:17,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:17,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265745702] [2023-11-23 10:09:17,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265745702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:17,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:17,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:17,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705986212] [2023-11-23 10:09:17,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:17,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:17,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:17,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:17,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:17,593 INFO L87 Difference]: Start difference. First operand 1535 states and 2312 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 10:09:20,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:24,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:24,479 INFO L93 Difference]: Finished difference Result 2227 states and 3527 transitions. [2023-11-23 10:09:24,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:09:24,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 200 [2023-11-23 10:09:24,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:24,491 INFO L225 Difference]: With dead ends: 2227 [2023-11-23 10:09:24,492 INFO L226 Difference]: Without dead ends: 2225 [2023-11-23 10:09:24,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:09:24,493 INFO L413 NwaCegarLoop]: 1099 mSDtfsCounter, 1607 mSDsluCounter, 4202 mSDsCounter, 0 mSdLazyCounter, 5019 mSolverCounterSat, 749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 5301 SdHoareTripleChecker+Invalid, 5768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 749 IncrementalHoareTripleChecker+Valid, 5019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:24,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 5301 Invalid, 5768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [749 Valid, 5019 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 10:09:24,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2023-11-23 10:09:24,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1537. [2023-11-23 10:09:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1077 states have (on average 1.468895078922934) internal successors, (1582), 1110 states have internal predecessors, (1582), 366 states have call successors, (366), 93 states have call predecessors, (366), 93 states have return successors, (366), 363 states have call predecessors, (366), 366 states have call successors, (366) [2023-11-23 10:09:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2314 transitions. [2023-11-23 10:09:24,606 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2314 transitions. Word has length 200 [2023-11-23 10:09:24,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:24,607 INFO L495 AbstractCegarLoop]: Abstraction has 1537 states and 2314 transitions. [2023-11-23 10:09:24,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 10:09:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2314 transitions. [2023-11-23 10:09:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-23 10:09:24,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:24,612 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:24,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 10:09:24,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:24,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1505915610, now seen corresponding path program 1 times [2023-11-23 10:09:24,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:24,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117824073] [2023-11-23 10:09:24,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:24,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:09:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:09:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:09:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:09:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:09:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:09:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-23 10:09:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-23 10:09:25,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:25,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117824073] [2023-11-23 10:09:25,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117824073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:25,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:25,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:25,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180363052] [2023-11-23 10:09:25,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:25,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:25,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:25,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:25,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:25,063 INFO L87 Difference]: Start difference. First operand 1537 states and 2314 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 10:09:27,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:29,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:31,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:33,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:33,960 INFO L93 Difference]: Finished difference Result 3261 states and 4975 transitions. [2023-11-23 10:09:33,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:09:33,961 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 209 [2023-11-23 10:09:33,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:33,970 INFO L225 Difference]: With dead ends: 3261 [2023-11-23 10:09:33,970 INFO L226 Difference]: Without dead ends: 1764 [2023-11-23 10:09:33,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:09:33,976 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 2454 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 3601 mSolverCounterSat, 1029 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1029 IncrementalHoareTripleChecker+Valid, 3601 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:33,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 2823 Invalid, 4631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 3601 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2023-11-23 10:09:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2023-11-23 10:09:34,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1538. [2023-11-23 10:09:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1078 states have (on average 1.466604823747681) internal successors, (1581), 1111 states have internal predecessors, (1581), 366 states have call successors, (366), 93 states have call predecessors, (366), 93 states have return successors, (366), 363 states have call predecessors, (366), 366 states have call successors, (366) [2023-11-23 10:09:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2313 transitions. [2023-11-23 10:09:34,037 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2313 transitions. Word has length 209 [2023-11-23 10:09:34,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:34,038 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 2313 transitions. [2023-11-23 10:09:34,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 10:09:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2313 transitions. [2023-11-23 10:09:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-23 10:09:34,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:34,043 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:34,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 10:09:34,044 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:34,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:34,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1925745033, now seen corresponding path program 1 times [2023-11-23 10:09:34,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:34,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237512074] [2023-11-23 10:09:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:09:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:09:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:09:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:09:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:09:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:09:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:09:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-23 10:09:34,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:34,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237512074] [2023-11-23 10:09:34,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237512074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:34,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:34,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:09:34,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860667987] [2023-11-23 10:09:34,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:34,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:09:34,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:34,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:09:34,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:09:34,531 INFO L87 Difference]: Start difference. First operand 1538 states and 2313 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 10:09:36,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:38,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:42,074 INFO L93 Difference]: Finished difference Result 2243 states and 3545 transitions. [2023-11-23 10:09:42,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 10:09:42,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 210 [2023-11-23 10:09:42,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:42,085 INFO L225 Difference]: With dead ends: 2243 [2023-11-23 10:09:42,086 INFO L226 Difference]: Without dead ends: 2241 [2023-11-23 10:09:42,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:09:42,087 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 2511 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 5551 mSolverCounterSat, 1363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2653 SdHoareTripleChecker+Valid, 5735 SdHoareTripleChecker+Invalid, 6914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1363 IncrementalHoareTripleChecker+Valid, 5551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:42,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2653 Valid, 5735 Invalid, 6914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1363 Valid, 5551 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-23 10:09:42,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2023-11-23 10:09:42,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 1540. [2023-11-23 10:09:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1079 states have (on average 1.4661723818350325) internal successors, (1582), 1111 states have internal predecessors, (1582), 367 states have call successors, (367), 93 states have call predecessors, (367), 93 states have return successors, (367), 364 states have call predecessors, (367), 367 states have call successors, (367) [2023-11-23 10:09:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2316 transitions. [2023-11-23 10:09:42,147 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2316 transitions. Word has length 210 [2023-11-23 10:09:42,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:42,148 INFO L495 AbstractCegarLoop]: Abstraction has 1540 states and 2316 transitions. [2023-11-23 10:09:42,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 10:09:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2316 transitions. [2023-11-23 10:09:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-23 10:09:42,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:42,155 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:42,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 10:09:42,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:42,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:42,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2068430389, now seen corresponding path program 1 times [2023-11-23 10:09:42,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:42,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564059416] [2023-11-23 10:09:42,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:42,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:09:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:09:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:09:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:09:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:09:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:09:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:09:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 10:09:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 10:09:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 10:09:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 10:09:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-11-23 10:09:42,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:42,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564059416] [2023-11-23 10:09:42,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564059416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:42,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:42,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 10:09:42,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482797729] [2023-11-23 10:09:42,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:42,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:09:42,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:42,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:09:42,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 10:09:42,573 INFO L87 Difference]: Start difference. First operand 1540 states and 2316 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 10:09:44,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:47,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:51,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:51,489 INFO L93 Difference]: Finished difference Result 4939 states and 7542 transitions. [2023-11-23 10:09:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:09:51,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 238 [2023-11-23 10:09:51,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:51,509 INFO L225 Difference]: With dead ends: 4939 [2023-11-23 10:09:51,509 INFO L226 Difference]: Without dead ends: 3439 [2023-11-23 10:09:51,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:09:51,516 INFO L413 NwaCegarLoop]: 965 mSDtfsCounter, 3571 mSDsluCounter, 2330 mSDsCounter, 0 mSdLazyCounter, 4157 mSolverCounterSat, 1686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3719 SdHoareTripleChecker+Valid, 3295 SdHoareTripleChecker+Invalid, 5843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1686 IncrementalHoareTripleChecker+Valid, 4157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:51,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3719 Valid, 3295 Invalid, 5843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1686 Valid, 4157 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-11-23 10:09:51,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2023-11-23 10:09:51,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3001. [2023-11-23 10:09:51,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2111 states have (on average 1.4703931785883468) internal successors, (3104), 2175 states have internal predecessors, (3104), 706 states have call successors, (706), 183 states have call predecessors, (706), 183 states have return successors, (706), 698 states have call predecessors, (706), 706 states have call successors, (706) [2023-11-23 10:09:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4516 transitions. [2023-11-23 10:09:51,711 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4516 transitions. Word has length 238 [2023-11-23 10:09:51,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:51,711 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 4516 transitions. [2023-11-23 10:09:51,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 10:09:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4516 transitions. [2023-11-23 10:09:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 10:09:51,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:51,723 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:51,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 10:09:51,723 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:51,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2060968057, now seen corresponding path program 1 times [2023-11-23 10:09:51,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:51,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751926350] [2023-11-23 10:09:51,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:09:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:09:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:09:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:09:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:09:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 10:09:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-23 10:09:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 10:09:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 10:09:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-23 10:09:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 10:09:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:09:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-23 10:09:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:52,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751926350] [2023-11-23 10:09:52,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751926350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:52,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:52,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:52,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420225257] [2023-11-23 10:09:52,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:52,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:52,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:52,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:52,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:52,080 INFO L87 Difference]: Start difference. First operand 3001 states and 4516 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 10:09:54,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:09:58,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:58,887 INFO L93 Difference]: Finished difference Result 5331 states and 8079 transitions. [2023-11-23 10:09:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:09:58,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 240 [2023-11-23 10:09:58,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:58,896 INFO L225 Difference]: With dead ends: 5331 [2023-11-23 10:09:58,897 INFO L226 Difference]: Without dead ends: 2360 [2023-11-23 10:09:58,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:09:58,904 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 1692 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 4119 mSolverCounterSat, 1035 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 5155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1035 IncrementalHoareTripleChecker+Valid, 4119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:58,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1709 Valid, 3159 Invalid, 5155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1035 Valid, 4119 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2023-11-23 10:09:58,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2023-11-23 10:09:58,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2046. [2023-11-23 10:09:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 1426 states have (on average 1.4572230014025245) internal successors, (2078), 1467 states have internal predecessors, (2078), 488 states have call successors, (488), 131 states have call predecessors, (488), 131 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:09:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 3054 transitions. [2023-11-23 10:09:58,999 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 3054 transitions. Word has length 240 [2023-11-23 10:09:58,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:58,999 INFO L495 AbstractCegarLoop]: Abstraction has 2046 states and 3054 transitions. [2023-11-23 10:09:58,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 10:09:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 3054 transitions. [2023-11-23 10:09:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 10:09:59,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:59,008 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:59,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 10:09:59,008 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:59,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:59,009 INFO L85 PathProgramCache]: Analyzing trace with hash 771993947, now seen corresponding path program 1 times [2023-11-23 10:09:59,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:59,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718761893] [2023-11-23 10:09:59,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:59,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:09:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:09:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:09:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:09:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:09:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:09:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:09:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:09:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:09:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:09:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:09:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:09:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:09:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:09:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:09:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:09:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:09:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 10:09:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-23 10:09:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 10:09:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:09:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-23 10:09:59,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:59,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718761893] [2023-11-23 10:09:59,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718761893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:59,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:59,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:59,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816877927] [2023-11-23 10:09:59,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:59,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:59,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:59,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:59,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:59,441 INFO L87 Difference]: Start difference. First operand 2046 states and 3054 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 10:10:03,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:03,548 INFO L93 Difference]: Finished difference Result 3876 states and 5891 transitions. [2023-11-23 10:10:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:10:03,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 240 [2023-11-23 10:10:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:03,557 INFO L225 Difference]: With dead ends: 3876 [2023-11-23 10:10:03,557 INFO L226 Difference]: Without dead ends: 2380 [2023-11-23 10:10:03,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:10:03,562 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 3234 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 3089 mSolverCounterSat, 1639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 4728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1639 IncrementalHoareTripleChecker+Valid, 3089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:03,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3368 Valid, 2428 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1639 Valid, 3089 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-23 10:10:03,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2023-11-23 10:10:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2049. [2023-11-23 10:10:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2049 states, 1429 states have (on average 1.456962911126662) internal successors, (2082), 1470 states have internal predecessors, (2082), 488 states have call successors, (488), 131 states have call predecessors, (488), 131 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:03,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 3058 transitions. [2023-11-23 10:10:03,677 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 3058 transitions. Word has length 240 [2023-11-23 10:10:03,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:03,678 INFO L495 AbstractCegarLoop]: Abstraction has 2049 states and 3058 transitions. [2023-11-23 10:10:03,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 10:10:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 3058 transitions. [2023-11-23 10:10:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-23 10:10:03,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:03,686 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:03,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 10:10:03,687 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:03,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1750165417, now seen corresponding path program 1 times [2023-11-23 10:10:03,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:03,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623287306] [2023-11-23 10:10:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:10:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:10:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:10:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:10:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 10:10:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-23 10:10:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 10:10:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-23 10:10:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-23 10:10:03,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:03,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623287306] [2023-11-23 10:10:03,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623287306] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:03,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:10:03,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 10:10:03,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841859615] [2023-11-23 10:10:03,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:03,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:10:03,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:03,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:10:03,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 10:10:03,958 INFO L87 Difference]: Start difference. First operand 2049 states and 3058 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 10:10:08,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:08,339 INFO L93 Difference]: Finished difference Result 4375 states and 6647 transitions. [2023-11-23 10:10:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:10:08,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 242 [2023-11-23 10:10:08,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:08,349 INFO L225 Difference]: With dead ends: 4375 [2023-11-23 10:10:08,349 INFO L226 Difference]: Without dead ends: 2366 [2023-11-23 10:10:08,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-23 10:10:08,356 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 2052 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 2880 mSolverCounterSat, 1330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 4210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 2880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:08,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2069 Valid, 2572 Invalid, 4210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1330 Valid, 2880 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 10:10:08,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2023-11-23 10:10:08,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2049. [2023-11-23 10:10:08,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2049 states, 1429 states have (on average 1.4506648005598322) internal successors, (2073), 1470 states have internal predecessors, (2073), 488 states have call successors, (488), 131 states have call predecessors, (488), 131 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 3049 transitions. [2023-11-23 10:10:08,460 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 3049 transitions. Word has length 242 [2023-11-23 10:10:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:08,460 INFO L495 AbstractCegarLoop]: Abstraction has 2049 states and 3049 transitions. [2023-11-23 10:10:08,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 10:10:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 3049 transitions. [2023-11-23 10:10:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-23 10:10:08,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:08,469 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:08,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 10:10:08,469 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:08,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:08,470 INFO L85 PathProgramCache]: Analyzing trace with hash 335240190, now seen corresponding path program 1 times [2023-11-23 10:10:08,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:08,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096780354] [2023-11-23 10:10:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:08,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:10:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:10:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:10:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:10:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 10:10:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-23 10:10:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 10:10:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-23 10:10:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-23 10:10:08,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:08,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096780354] [2023-11-23 10:10:08,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096780354] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:10:08,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649154600] [2023-11-23 10:10:08,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:08,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:08,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:10:08,939 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) [2023-11-23 10:10:08,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 10:10:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:09,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 10:10:09,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:10:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-23 10:10:09,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:10:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-23 10:10:10,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649154600] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 10:10:10,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 10:10:10,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 5] total 14 [2023-11-23 10:10:10,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899487040] [2023-11-23 10:10:10,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 10:10:10,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 10:10:10,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:10,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 10:10:10,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:10:10,062 INFO L87 Difference]: Start difference. First operand 2049 states and 3049 transitions. Second operand has 14 states, 14 states have (on average 13.785714285714286) internal successors, (193), 10 states have internal predecessors, (193), 4 states have call successors, (79), 7 states have call predecessors, (79), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-23 10:10:17,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:17,529 INFO L93 Difference]: Finished difference Result 3922 states and 5951 transitions. [2023-11-23 10:10:17,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:10:17,530 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.785714285714286) internal successors, (193), 10 states have internal predecessors, (193), 4 states have call successors, (79), 7 states have call predecessors, (79), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 245 [2023-11-23 10:10:17,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:17,539 INFO L225 Difference]: With dead ends: 3922 [2023-11-23 10:10:17,540 INFO L226 Difference]: Without dead ends: 2423 [2023-11-23 10:10:17,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2023-11-23 10:10:17,545 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 3244 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 6692 mSolverCounterSat, 1705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 3778 SdHoareTripleChecker+Invalid, 8397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1705 IncrementalHoareTripleChecker+Valid, 6692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:17,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 3778 Invalid, 8397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1705 Valid, 6692 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-23 10:10:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2023-11-23 10:10:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2054. [2023-11-23 10:10:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1434 states have (on average 1.4504881450488145) internal successors, (2080), 1475 states have internal predecessors, (2080), 488 states have call successors, (488), 131 states have call predecessors, (488), 131 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 3056 transitions. [2023-11-23 10:10:17,687 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 3056 transitions. Word has length 245 [2023-11-23 10:10:17,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:17,688 INFO L495 AbstractCegarLoop]: Abstraction has 2054 states and 3056 transitions. [2023-11-23 10:10:17,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.785714285714286) internal successors, (193), 10 states have internal predecessors, (193), 4 states have call successors, (79), 7 states have call predecessors, (79), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-23 10:10:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 3056 transitions. [2023-11-23 10:10:17,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-23 10:10:17,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:17,696 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:17,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 10:10:17,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 10:10:17,913 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:17,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:17,913 INFO L85 PathProgramCache]: Analyzing trace with hash -878830124, now seen corresponding path program 2 times [2023-11-23 10:10:17,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:17,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134502790] [2023-11-23 10:10:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:17,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:10:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:10:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:10:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:10:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 10:10:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 10:10:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:10:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-23 10:10:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-23 10:10:18,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:18,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134502790] [2023-11-23 10:10:18,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134502790] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:10:18,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986637687] [2023-11-23 10:10:18,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 10:10:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:10:18,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:10:18,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 10:10:18,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-23 10:10:18,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 10:10:18,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 10:10:18,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:10:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2023-11-23 10:10:19,029 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:10:19,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986637687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:19,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:10:19,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2023-11-23 10:10:19,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307219549] [2023-11-23 10:10:19,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:19,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 10:10:19,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:19,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 10:10:19,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:10:19,031 INFO L87 Difference]: Start difference. First operand 2054 states and 3056 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 10:10:20,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:22,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:22,913 INFO L93 Difference]: Finished difference Result 4080 states and 6107 transitions. [2023-11-23 10:10:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:10:22,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 251 [2023-11-23 10:10:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:22,931 INFO L225 Difference]: With dead ends: 4080 [2023-11-23 10:10:22,931 INFO L226 Difference]: Without dead ends: 2066 [2023-11-23 10:10:22,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:10:22,937 INFO L413 NwaCegarLoop]: 1408 mSDtfsCounter, 8 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4204 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:22,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4204 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 371 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2023-11-23 10:10:22,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2023-11-23 10:10:23,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2066. [2023-11-23 10:10:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 1443 states have (on average 1.4497574497574497) internal successors, (2092), 1484 states have internal predecessors, (2092), 488 states have call successors, (488), 134 states have call predecessors, (488), 134 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:23,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 3068 transitions. [2023-11-23 10:10:23,038 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 3068 transitions. Word has length 251 [2023-11-23 10:10:23,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:23,039 INFO L495 AbstractCegarLoop]: Abstraction has 2066 states and 3068 transitions. [2023-11-23 10:10:23,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 10:10:23,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 3068 transitions. [2023-11-23 10:10:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-23 10:10:23,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:23,048 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:23,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 10:10:23,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-23 10:10:23,257 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:23,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:23,257 INFO L85 PathProgramCache]: Analyzing trace with hash 142238230, now seen corresponding path program 1 times [2023-11-23 10:10:23,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:23,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745610428] [2023-11-23 10:10:23,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:23,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:10:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:10:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:10:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:10:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 10:10:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 10:10:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:10:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-23 10:10:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-23 10:10:23,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:23,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745610428] [2023-11-23 10:10:23,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745610428] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:10:23,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594863634] [2023-11-23 10:10:23,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:23,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:23,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:10:23,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:10:23,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 10:10:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:24,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 1859 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 10:10:24,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:10:24,733 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-23 10:10:24,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:10:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-23 10:10:24,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594863634] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 10:10:24,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 10:10:24,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 8] total 23 [2023-11-23 10:10:24,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45130275] [2023-11-23 10:10:24,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 10:10:24,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-23 10:10:24,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:24,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-23 10:10:24,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2023-11-23 10:10:24,984 INFO L87 Difference]: Start difference. First operand 2066 states and 3068 transitions. Second operand has 23 states, 23 states have (on average 9.173913043478262) internal successors, (211), 19 states have internal predecessors, (211), 4 states have call successors, (79), 7 states have call predecessors, (79), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-23 10:10:28,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:33,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:33,802 INFO L93 Difference]: Finished difference Result 4067 states and 6170 transitions. [2023-11-23 10:10:33,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 10:10:33,803 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.173913043478262) internal successors, (211), 19 states have internal predecessors, (211), 4 states have call successors, (79), 7 states have call predecessors, (79), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 251 [2023-11-23 10:10:33,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:33,812 INFO L225 Difference]: With dead ends: 4067 [2023-11-23 10:10:33,812 INFO L226 Difference]: Without dead ends: 2555 [2023-11-23 10:10:33,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=786, Unknown=0, NotChecked=0, Total=1056 [2023-11-23 10:10:33,817 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 3818 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 6166 mSolverCounterSat, 1778 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3974 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 7945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1778 IncrementalHoareTripleChecker+Valid, 6166 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:33,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 3805 Invalid, 7945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1778 Valid, 6166 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2023-11-23 10:10:33,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2023-11-23 10:10:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2078. [2023-11-23 10:10:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2078 states, 1455 states have (on average 1.4501718213058419) internal successors, (2110), 1496 states have internal predecessors, (2110), 488 states have call successors, (488), 134 states have call predecessors, (488), 134 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 3086 transitions. [2023-11-23 10:10:33,950 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 3086 transitions. Word has length 251 [2023-11-23 10:10:33,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:33,951 INFO L495 AbstractCegarLoop]: Abstraction has 2078 states and 3086 transitions. [2023-11-23 10:10:33,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.173913043478262) internal successors, (211), 19 states have internal predecessors, (211), 4 states have call successors, (79), 7 states have call predecessors, (79), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-23 10:10:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 3086 transitions. [2023-11-23 10:10:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-23 10:10:33,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:33,958 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:33,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 10:10:34,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:34,168 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:34,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:34,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1609076732, now seen corresponding path program 1 times [2023-11-23 10:10:34,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:34,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086800178] [2023-11-23 10:10:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:34,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:10:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:10:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:10:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 10:10:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-23 10:10:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 10:10:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 10:10:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-23 10:10:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-23 10:10:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-23 10:10:35,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:35,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086800178] [2023-11-23 10:10:35,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086800178] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:10:35,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976395489] [2023-11-23 10:10:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:35,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:35,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:10:35,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:10:35,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 10:10:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:35,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 1897 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 10:10:35,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:10:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 10:10:35,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:10:35,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976395489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:35,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:10:35,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2023-11-23 10:10:35,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766246120] [2023-11-23 10:10:35,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:35,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:10:35,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:35,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:10:35,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:10:35,881 INFO L87 Difference]: Start difference. First operand 2078 states and 3086 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:10:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:37,102 INFO L93 Difference]: Finished difference Result 3617 states and 5386 transitions. [2023-11-23 10:10:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:10:37,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 253 [2023-11-23 10:10:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:37,117 INFO L225 Difference]: With dead ends: 3617 [2023-11-23 10:10:37,118 INFO L226 Difference]: Without dead ends: 2078 [2023-11-23 10:10:37,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:10:37,123 INFO L413 NwaCegarLoop]: 1418 mSDtfsCounter, 2 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:37,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2834 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 10:10:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2023-11-23 10:10:37,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2078. [2023-11-23 10:10:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2078 states, 1455 states have (on average 1.4481099656357388) internal successors, (2107), 1496 states have internal predecessors, (2107), 488 states have call successors, (488), 134 states have call predecessors, (488), 134 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 3083 transitions. [2023-11-23 10:10:37,226 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 3083 transitions. Word has length 253 [2023-11-23 10:10:37,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:37,227 INFO L495 AbstractCegarLoop]: Abstraction has 2078 states and 3083 transitions. [2023-11-23 10:10:37,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:10:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 3083 transitions. [2023-11-23 10:10:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-23 10:10:37,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:37,237 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:37,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 10:10:37,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:37,454 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:37,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:37,455 INFO L85 PathProgramCache]: Analyzing trace with hash -2123405379, now seen corresponding path program 1 times [2023-11-23 10:10:37,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:37,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539218119] [2023-11-23 10:10:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:10:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-23 10:10:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:10:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 10:10:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 10:10:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-23 10:10:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 10:10:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-23 10:10:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-23 10:10:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-23 10:10:38,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:38,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539218119] [2023-11-23 10:10:38,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539218119] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:10:38,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467039459] [2023-11-23 10:10:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:38,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:38,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:10:38,285 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:10:38,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 10:10:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:39,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 1899 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 10:10:39,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:10:39,039 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2023-11-23 10:10:39,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:10:39,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467039459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:39,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:10:39,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2023-11-23 10:10:39,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397529851] [2023-11-23 10:10:39,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:39,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 10:10:39,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:39,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 10:10:39,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:10:39,042 INFO L87 Difference]: Start difference. First operand 2078 states and 3083 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 10:10:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:41,255 INFO L93 Difference]: Finished difference Result 4093 states and 6169 transitions. [2023-11-23 10:10:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 10:10:41,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 254 [2023-11-23 10:10:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:41,263 INFO L225 Difference]: With dead ends: 4093 [2023-11-23 10:10:41,264 INFO L226 Difference]: Without dead ends: 2569 [2023-11-23 10:10:41,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:10:41,268 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 362 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 5294 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:41,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 5294 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-23 10:10:41,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2023-11-23 10:10:41,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2080. [2023-11-23 10:10:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2080 states, 1457 states have (on average 1.4474948524365134) internal successors, (2109), 1498 states have internal predecessors, (2109), 488 states have call successors, (488), 134 states have call predecessors, (488), 134 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 3085 transitions. [2023-11-23 10:10:41,370 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 3085 transitions. Word has length 254 [2023-11-23 10:10:41,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:41,371 INFO L495 AbstractCegarLoop]: Abstraction has 2080 states and 3085 transitions. [2023-11-23 10:10:41,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 10:10:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 3085 transitions. [2023-11-23 10:10:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-11-23 10:10:41,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:41,378 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:41,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 10:10:41,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 10:10:41,598 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:41,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:41,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1518301159, now seen corresponding path program 1 times [2023-11-23 10:10:41,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:41,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702248319] [2023-11-23 10:10:41,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:41,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:10:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-23 10:10:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:10:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 10:10:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 10:10:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-23 10:10:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 10:10:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 10:10:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 10:10:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-23 10:10:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 10:10:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-11-23 10:10:41,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:41,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702248319] [2023-11-23 10:10:41,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702248319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:41,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:10:41,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:10:41,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788861358] [2023-11-23 10:10:41,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:41,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:10:41,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:41,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:10:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:10:41,902 INFO L87 Difference]: Start difference. First operand 2080 states and 3085 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:10:45,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:46,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:48,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:50,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:50,997 INFO L93 Difference]: Finished difference Result 4051 states and 6124 transitions. [2023-11-23 10:10:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 10:10:50,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 259 [2023-11-23 10:10:50,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:51,005 INFO L225 Difference]: With dead ends: 4051 [2023-11-23 10:10:51,005 INFO L226 Difference]: Without dead ends: 2525 [2023-11-23 10:10:51,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:10:51,010 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 2680 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 3261 mSolverCounterSat, 1790 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2685 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 5052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1790 IncrementalHoareTripleChecker+Valid, 3261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:51,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2685 Valid, 3000 Invalid, 5052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1790 Valid, 3261 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2023-11-23 10:10:51,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2023-11-23 10:10:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2082. [2023-11-23 10:10:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2082 states, 1459 states have (on average 1.446881425633996) internal successors, (2111), 1500 states have internal predecessors, (2111), 488 states have call successors, (488), 134 states have call predecessors, (488), 134 states have return successors, (488), 483 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 10:10:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 3087 transitions. [2023-11-23 10:10:51,117 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 3087 transitions. Word has length 259 [2023-11-23 10:10:51,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:51,118 INFO L495 AbstractCegarLoop]: Abstraction has 2082 states and 3087 transitions. [2023-11-23 10:10:51,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:10:51,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 3087 transitions. [2023-11-23 10:10:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-23 10:10:51,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:51,125 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:51,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 10:10:51,125 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:51,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:51,125 INFO L85 PathProgramCache]: Analyzing trace with hash 850330975, now seen corresponding path program 1 times [2023-11-23 10:10:51,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:51,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386900357] [2023-11-23 10:10:51,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:51,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:10:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-23 10:10:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:10:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 10:10:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 10:10:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-23 10:10:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-23 10:10:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-23 10:10:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-23 10:10:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-23 10:10:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-23 10:10:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-11-23 10:10:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-23 10:10:51,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:51,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386900357] [2023-11-23 10:10:51,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386900357] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:10:51,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402240021] [2023-11-23 10:10:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:51,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:10:51,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:10:51,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 10:10:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:52,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 10:10:52,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:10:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2023-11-23 10:10:52,739 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:10:52,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402240021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:52,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:10:52,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 14 [2023-11-23 10:10:52,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146404021] [2023-11-23 10:10:52,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:52,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:10:52,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:52,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:10:52,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:10:52,741 INFO L87 Difference]: Start difference. First operand 2082 states and 3087 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 10:10:55,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:57,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:10:57,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:57,776 INFO L93 Difference]: Finished difference Result 3623 states and 5394 transitions. [2023-11-23 10:10:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 10:10:57,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 266 [2023-11-23 10:10:57,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:57,783 INFO L225 Difference]: With dead ends: 3623 [2023-11-23 10:10:57,783 INFO L226 Difference]: Without dead ends: 2095 [2023-11-23 10:10:57,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:10:57,787 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 3 mSDsluCounter, 4251 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5673 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:57,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5673 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 452 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-23 10:10:57,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2023-11-23 10:10:57,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2086. [2023-11-23 10:10:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 1462 states have (on average 1.4459644322845417) internal successors, (2114), 1503 states have internal predecessors, (2114), 488 states have call successors, (488), 134 states have call predecessors, (488), 135 states have return successors, (492), 484 states have call predecessors, (492), 488 states have call successors, (492) [2023-11-23 10:10:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 3094 transitions. [2023-11-23 10:10:57,889 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 3094 transitions. Word has length 266 [2023-11-23 10:10:57,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:57,890 INFO L495 AbstractCegarLoop]: Abstraction has 2086 states and 3094 transitions. [2023-11-23 10:10:57,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 10:10:57,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 3094 transitions. [2023-11-23 10:10:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-23 10:10:57,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:57,896 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:57,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 10:10:58,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-23 10:10:58,111 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:58,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:58,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1265026606, now seen corresponding path program 1 times [2023-11-23 10:10:58,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:58,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432626711] [2023-11-23 10:10:58,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:58,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:10:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:10:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:10:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:10:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:10:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:10:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:10:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:10:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:10:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:10:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:10:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:10:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-23 10:10:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:10:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 10:10:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 10:10:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:10:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 10:10:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 10:10:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-23 10:10:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-23 10:10:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-23 10:10:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-23 10:10:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 10:10:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2023-11-23 10:10:58,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:58,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432626711] [2023-11-23 10:10:58,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432626711] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:10:58,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844186277] [2023-11-23 10:10:58,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:58,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:10:58,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:10:58,970 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:10:58,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 10:10:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:59,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 2114 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-23 10:10:59,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:10:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-23 10:10:59,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:10:59,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844186277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:59,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:10:59,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 12 [2023-11-23 10:10:59,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766014131] [2023-11-23 10:10:59,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:59,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:10:59,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:59,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:10:59,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:10:59,774 INFO L87 Difference]: Start difference. First operand 2086 states and 3094 transitions. Second operand has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (35), 4 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 10:11:01,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:11:03,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:11:06,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:11:06,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:06,975 INFO L93 Difference]: Finished difference Result 3634 states and 5417 transitions. [2023-11-23 10:11:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 10:11:06,975 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (35), 4 states have call predecessors, (35), 2 states have call successors, (35) Word has length 272 [2023-11-23 10:11:06,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:06,981 INFO L225 Difference]: With dead ends: 3634 [2023-11-23 10:11:06,982 INFO L226 Difference]: Without dead ends: 2097 [2023-11-23 10:11:06,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-23 10:11:06,986 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 798 mSDsluCounter, 7117 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 8553 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:06,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 8553 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 671 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 10:11:06,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2023-11-23 10:11:07,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2096. [2023-11-23 10:11:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 1467 states have (on average 1.4444444444444444) internal successors, (2119), 1510 states have internal predecessors, (2119), 488 states have call successors, (488), 134 states have call predecessors, (488), 140 states have return successors, (508), 487 states have call predecessors, (508), 488 states have call successors, (508) [2023-11-23 10:11:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 3115 transitions. [2023-11-23 10:11:07,100 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 3115 transitions. Word has length 272 [2023-11-23 10:11:07,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:11:07,100 INFO L495 AbstractCegarLoop]: Abstraction has 2096 states and 3115 transitions. [2023-11-23 10:11:07,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (35), 4 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 10:11:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 3115 transitions. [2023-11-23 10:11:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-11-23 10:11:07,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:11:07,110 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:11:07,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 10:11:07,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:07,328 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:11:07,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:11:07,328 INFO L85 PathProgramCache]: Analyzing trace with hash 558888255, now seen corresponding path program 2 times [2023-11-23 10:11:07,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:11:07,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413286554] [2023-11-23 10:11:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:07,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:11:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:11:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:11:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:11:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 10:11:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:11:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:11:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 10:11:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 10:11:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 10:11:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:11:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 10:11:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:11:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 10:11:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:11:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 10:11:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:11:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:11:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-23 10:11:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-23 10:11:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 10:11:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 10:11:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:11:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:11:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-23 10:11:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-23 10:11:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-23 10:11:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-23 10:11:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-23 10:11:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 10:11:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2023-11-23 10:11:07,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:11:07,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413286554] [2023-11-23 10:11:07,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413286554] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:11:07,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626721860] [2023-11-23 10:11:07,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 10:11:07,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:07,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:11:07,987 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:11:07,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 10:11:24,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 10:11:24,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 10:11:24,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 213 conjunts are in the unsatisfiable core [2023-11-23 10:11:24,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:11:24,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-23 10:11:24,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-23 10:11:24,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2023-11-23 10:11:24,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2023-11-23 10:11:25,015 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-23 10:11:25,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-23 10:11:25,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 10:11:25,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-23 10:11:25,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-23 10:11:25,241 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2023-11-23 10:11:25,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2023-11-23 10:11:25,510 INFO L349 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2023-11-23 10:11:25,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2023-11-23 10:11:25,576 INFO L349 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2023-11-23 10:11:25,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 10:11:25,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2023-11-23 10:11:25,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-23 10:11:25,857 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-23 10:11:25,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 37 [2023-11-23 10:11:25,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-23 10:11:26,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 10:11:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 10:11:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 10:11:26,206 INFO L349 Elim1Store]: treesize reduction 116, result has 24.2 percent of original size [2023-11-23 10:11:26,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 68 [2023-11-23 10:11:26,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 1 [2023-11-23 10:11:26,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2023-11-23 10:11:26,685 INFO L349 Elim1Store]: treesize reduction 68, result has 29.2 percent of original size [2023-11-23 10:11:26,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 75 [2023-11-23 10:11:26,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 10:11:26,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 10:11:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 10:11:26,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 10:11:26,823 INFO L349 Elim1Store]: treesize reduction 178, result has 24.3 percent of original size [2023-11-23 10:11:26,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 104 [2023-11-23 10:11:26,875 INFO L349 Elim1Store]: treesize reduction 68, result has 29.2 percent of original size [2023-11-23 10:11:26,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 53 Killed by 15