./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/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 --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1 --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 2e2f48ab037d80d8f09964fc14a08b090a2ac957ba1c26211e43b888a860dc78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:28:20,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:28:20,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:28:20,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:28:20,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:28:20,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:28:20,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:28:20,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:28:20,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:28:20,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:28:20,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:28:20,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:28:20,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:28:20,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:28:20,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:28:20,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:28:20,277 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:20,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:28:20,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:20,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:28:20,278 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1 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 -> 2e2f48ab037d80d8f09964fc14a08b090a2ac957ba1c26211e43b888a860dc78 [2024-12-02 11:28:20,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:28:20,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:28:20,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:28:20,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:28:20,536 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:28:20,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-12-02 11:28:23,193 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/data/0a63dc8d8/3ba1e2ec53a5454f964bf6ac12ce47c8/FLAG8c37c6c57 [2024-12-02 11:28:23,605 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:28:23,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-12-02 11:28:23,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/data/0a63dc8d8/3ba1e2ec53a5454f964bf6ac12ce47c8/FLAG8c37c6c57 [2024-12-02 11:28:23,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/data/0a63dc8d8/3ba1e2ec53a5454f964bf6ac12ce47c8 [2024-12-02 11:28:23,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:28:23,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:28:23,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:28:23,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:28:23,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:28:23,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:23" (1/1) ... [2024-12-02 11:28:23,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23901174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:23, skipping insertion in model container [2024-12-02 11:28:23,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:23" (1/1) ... [2024-12-02 11:28:23,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:28:24,830 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/sv-benchmarks/c/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] [2024-12-02 11:28:24,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:28:24,863 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:28:24,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4690] [2024-12-02 11:28:24,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4697] [2024-12-02 11:28:24,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4705-4706] [2024-12-02 11:28:24,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4714-4715] [2024-12-02 11:28:24,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4843] [2024-12-02 11:28:24,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4846] [2024-12-02 11:28:24,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4849] [2024-12-02 11:28:24,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4852] [2024-12-02 11:28:24,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5234] [2024-12-02 11:28:24,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5238] [2024-12-02 11:28:24,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5242] [2024-12-02 11:28:24,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5246] [2024-12-02 11:28:24,954 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] [2024-12-02 11:28:24,954 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] [2024-12-02 11:28:24,955 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] [2024-12-02 11:28:24,955 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] [2024-12-02 11:28:24,955 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] [2024-12-02 11:28:24,956 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] [2024-12-02 11:28:24,956 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] [2024-12-02 11:28:24,956 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] [2024-12-02 11:28:24,957 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] [2024-12-02 11:28:24,957 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] [2024-12-02 11:28:24,957 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] [2024-12-02 11:28:24,958 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] [2024-12-02 11:28:24,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5365] [2024-12-02 11:28:24,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5369] [2024-12-02 11:28:24,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5373] [2024-12-02 11:28:24,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5377] [2024-12-02 11:28:24,961 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] [2024-12-02 11:28:24,961 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] [2024-12-02 11:28:24,961 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] [2024-12-02 11:28:24,961 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] [2024-12-02 11:28:24,962 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] [2024-12-02 11:28:24,962 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] [2024-12-02 11:28:24,962 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] [2024-12-02 11:28:24,962 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] [2024-12-02 11:28:24,963 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] [2024-12-02 11:28:24,963 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] [2024-12-02 11:28:24,963 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] [2024-12-02 11:28:24,963 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] [2024-12-02 11:28:24,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5520] [2024-12-02 11:28:24,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5524] [2024-12-02 11:28:24,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5528] [2024-12-02 11:28:24,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5532] [2024-12-02 11:28:24,967 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] [2024-12-02 11:28:24,967 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] [2024-12-02 11:28:24,968 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] [2024-12-02 11:28:24,968 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] [2024-12-02 11:28:24,968 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] [2024-12-02 11:28:24,969 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] [2024-12-02 11:28:24,969 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] [2024-12-02 11:28:24,969 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] [2024-12-02 11:28:25,042 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] [2024-12-02 11:28:25,042 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] [2024-12-02 11:28:25,043 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] [2024-12-02 11:28:25,043 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] [2024-12-02 11:28:25,043 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] [2024-12-02 11:28:25,043 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] [2024-12-02 11:28:25,044 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] [2024-12-02 11:28:25,044 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] [2024-12-02 11:28:25,044 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] [2024-12-02 11:28:25,044 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] [2024-12-02 11:28:25,045 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] [2024-12-02 11:28:25,046 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] [2024-12-02 11:28:25,046 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] [2024-12-02 11:28:25,046 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] [2024-12-02 11:28:25,046 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] [2024-12-02 11:28:25,048 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] [2024-12-02 11:28:25,048 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] [2024-12-02 11:28:25,048 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] [2024-12-02 11:28:25,048 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] [2024-12-02 11:28:25,048 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] [2024-12-02 11:28:25,049 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] [2024-12-02 11:28:25,049 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] [2024-12-02 11:28:25,049 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] [2024-12-02 11:28:25,050 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] [2024-12-02 11:28:25,050 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] [2024-12-02 11:28:25,051 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] [2024-12-02 11:28:25,051 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] [2024-12-02 11:28:25,052 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] [2024-12-02 11:28:25,052 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] [2024-12-02 11:28:25,052 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] [2024-12-02 11:28:25,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/sv-benchmarks/c/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] [2024-12-02 11:28:25,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:28:25,171 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:28:25,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25 WrapperNode [2024-12-02 11:28:25,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:28:25,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:28:25,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:28:25,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:28:25,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,327 INFO L138 Inliner]: procedures = 186, calls = 884, calls flagged for inlining = 94, calls inlined = 92, statements flattened = 3448 [2024-12-02 11:28:25,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:28:25,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:28:25,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:28:25,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:28:25,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,764 INFO L175 MemorySlicer]: Split 434 memory accesses to 10 slices as follows [2, 347, 36, 4, 1, 1, 22, 16, 3, 2]. 80 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0, 0, 0, 0, 0, 0, 0]. The 182 writes are split as follows [0, 120, 36, 1, 1, 0, 22, 2, 0, 0]. [2024-12-02 11:28:25,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:28:25,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:28:25,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:28:25,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:28:25,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (1/1) ... [2024-12-02 11:28:25,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:25,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:28:25,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:28:25,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:28:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-12-02 11:28:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2024-12-02 11:28:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-12-02 11:28:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-12-02 11:28:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 11:28:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 11:28:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:28:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 11:28:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 11:28:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 11:28:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-12-02 11:28:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:28:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-12-02 11:28:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-12-02 11:28:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 11:28:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 11:28:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-12-02 11:28:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-12-02 11:28:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 11:28:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-12-02 11:28:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-12-02 11:28:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2024-12-02 11:28:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 11:28:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 11:28:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2024-12-02 11:28:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 11:28:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-12-02 11:28:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-12-02 11:28:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-12-02 11:28:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-12-02 11:28:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-12-02 11:28:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-12-02 11:28:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 11:28:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:28:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-12-02 11:28:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-12-02 11:28:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-12-02 11:28:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:28:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:28:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-12-02 11:28:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-12-02 11:28:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-12-02 11:28:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-12-02 11:28:26,485 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:28:26,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:28:26,602 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 11:28:33,861 INFO L? ?]: Removed 1548 outVars from TransFormulas that were not future-live. [2024-12-02 11:28:33,861 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:28:33,889 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:28:33,889 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 11:28:33,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:33 BoogieIcfgContainer [2024-12-02 11:28:33,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:28:33,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:28:33,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:28:33,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:28:33,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:28:23" (1/3) ... [2024-12-02 11:28:33,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16296c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:28:33, skipping insertion in model container [2024-12-02 11:28:33,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:25" (2/3) ... [2024-12-02 11:28:33,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16296c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:28:33, skipping insertion in model container [2024-12-02 11:28:33,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:33" (3/3) ... [2024-12-02 11:28:33,898 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-12-02 11:28:33,913 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:28:33,916 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i that has 65 procedures, 1247 locations, 1 initial locations, 22 loop locations, and 1 error locations. [2024-12-02 11:28:33,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:28:34,000 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@470565a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:28:34,001 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:28:34,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 1201 states, 882 states have (on average 1.4195011337868482) internal successors, (1252), 925 states have internal predecessors, (1252), 263 states have call successors, (263), 55 states have call predecessors, (263), 54 states have return successors, (258), 256 states have call predecessors, (258), 258 states have call successors, (258) [2024-12-02 11:28:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:28:34,024 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:34,025 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 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, 1, 1, 1] [2024-12-02 11:28:34,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:34,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:34,030 INFO L85 PathProgramCache]: Analyzing trace with hash 880051057, now seen corresponding path program 1 times [2024-12-02 11:28:34,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:34,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163459664] [2024-12-02 11:28:34,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:34,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-12-02 11:28:34,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:34,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163459664] [2024-12-02 11:28:34,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163459664] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:28:34,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522354602] [2024-12-02 11:28:34,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:34,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:28:34,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:28:34,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:28:34,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:28:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:35,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:28:35,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:28:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-12-02 11:28:35,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:28:35,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522354602] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:35,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:28:35,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:28:35,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911119111] [2024-12-02 11:28:35,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:35,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:28:35,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:35,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:28:35,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:28:35,985 INFO L87 Difference]: Start difference. First operand has 1201 states, 882 states have (on average 1.4195011337868482) internal successors, (1252), 925 states have internal predecessors, (1252), 263 states have call successors, (263), 55 states have call predecessors, (263), 54 states have return successors, (258), 256 states have call predecessors, (258), 258 states have call successors, (258) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:28:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:36,099 INFO L93 Difference]: Finished difference Result 2398 states and 3567 transitions. [2024-12-02 11:28:36,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:28:36,101 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-12-02 11:28:36,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:36,119 INFO L225 Difference]: With dead ends: 2398 [2024-12-02 11:28:36,119 INFO L226 Difference]: Without dead ends: 1155 [2024-12-02 11:28:36,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:28:36,131 INFO L435 NwaCegarLoop]: 1769 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:36,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:28:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-12-02 11:28:36,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1155. [2024-12-02 11:28:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 851 states have (on average 1.4112808460634547) internal successors, (1201), 886 states have internal predecessors, (1201), 249 states have call successors, (249), 54 states have call predecessors, (249), 54 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-12-02 11:28:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1699 transitions. [2024-12-02 11:28:36,241 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1699 transitions. Word has length 161 [2024-12-02 11:28:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:36,241 INFO L471 AbstractCegarLoop]: Abstraction has 1155 states and 1699 transitions. [2024-12-02 11:28:36,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:28:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1699 transitions. [2024-12-02 11:28:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:28:36,245 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:36,246 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 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, 1, 1, 1] [2024-12-02 11:28:36,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:28:36,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:28:36,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:36,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:36,447 INFO L85 PathProgramCache]: Analyzing trace with hash -738746457, now seen corresponding path program 1 times [2024-12-02 11:28:36,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:36,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167328899] [2024-12-02 11:28:36,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:36,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-12-02 11:28:37,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:37,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167328899] [2024-12-02 11:28:37,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167328899] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:37,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:37,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:28:37,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603569996] [2024-12-02 11:28:37,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:37,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:28:37,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:37,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:28:37,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:28:37,078 INFO L87 Difference]: Start difference. First operand 1155 states and 1699 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 11:28:37,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:37,238 INFO L93 Difference]: Finished difference Result 2886 states and 4211 transitions. [2024-12-02 11:28:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:28:37,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 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 161 [2024-12-02 11:28:37,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:37,251 INFO L225 Difference]: With dead ends: 2886 [2024-12-02 11:28:37,252 INFO L226 Difference]: Without dead ends: 1767 [2024-12-02 11:28:37,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:28:37,256 INFO L435 NwaCegarLoop]: 1718 mSDtfsCounter, 904 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:37,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 3334 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:28:37,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2024-12-02 11:28:37,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1767. [2024-12-02 11:28:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1287 states have (on average 1.393162393162393) internal successors, (1793), 1338 states have internal predecessors, (1793), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-12-02 11:28:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2561 transitions. [2024-12-02 11:28:37,329 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2561 transitions. Word has length 161 [2024-12-02 11:28:37,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:37,330 INFO L471 AbstractCegarLoop]: Abstraction has 1767 states and 2561 transitions. [2024-12-02 11:28:37,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 11:28:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2561 transitions. [2024-12-02 11:28:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 11:28:37,338 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:37,338 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2024-12-02 11:28:37,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:28:37,338 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:37,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:37,339 INFO L85 PathProgramCache]: Analyzing trace with hash 400080584, now seen corresponding path program 1 times [2024-12-02 11:28:37,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:37,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446631304] [2024-12-02 11:28:37,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:37,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 11:28:37,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:37,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446631304] [2024-12-02 11:28:37,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446631304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:37,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:37,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:28:37,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340536474] [2024-12-02 11:28:37,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:37,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:28:37,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:37,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:28:37,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:28:37,924 INFO L87 Difference]: Start difference. First operand 1767 states and 2561 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 11:28:38,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:38,023 INFO L93 Difference]: Finished difference Result 3488 states and 5062 transitions. [2024-12-02 11:28:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:28:38,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 240 [2024-12-02 11:28:38,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:38,034 INFO L225 Difference]: With dead ends: 3488 [2024-12-02 11:28:38,035 INFO L226 Difference]: Without dead ends: 1767 [2024-12-02 11:28:38,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:28:38,041 INFO L435 NwaCegarLoop]: 1690 mSDtfsCounter, 1659 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:38,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 1690 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:28:38,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2024-12-02 11:28:38,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1767. [2024-12-02 11:28:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1287 states have (on average 1.3916083916083917) internal successors, (1791), 1338 states have internal predecessors, (1791), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-12-02 11:28:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2559 transitions. [2024-12-02 11:28:38,126 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2559 transitions. Word has length 240 [2024-12-02 11:28:38,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:38,127 INFO L471 AbstractCegarLoop]: Abstraction has 1767 states and 2559 transitions. [2024-12-02 11:28:38,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 11:28:38,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2559 transitions. [2024-12-02 11:28:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 11:28:38,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:38,134 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2024-12-02 11:28:38,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:28:38,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:38,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:38,135 INFO L85 PathProgramCache]: Analyzing trace with hash -594613114, now seen corresponding path program 1 times [2024-12-02 11:28:38,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:38,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605478346] [2024-12-02 11:28:38,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:38,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 11:28:38,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:38,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605478346] [2024-12-02 11:28:38,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605478346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:38,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:38,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:38,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427994291] [2024-12-02 11:28:38,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:38,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:28:38,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:38,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:28:38,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:38,863 INFO L87 Difference]: Start difference. First operand 1767 states and 2559 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 11:28:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:38,948 INFO L93 Difference]: Finished difference Result 1771 states and 2563 transitions. [2024-12-02 11:28:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:28:38,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 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 240 [2024-12-02 11:28:38,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:38,957 INFO L225 Difference]: With dead ends: 1771 [2024-12-02 11:28:38,957 INFO L226 Difference]: Without dead ends: 1769 [2024-12-02 11:28:38,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:38,959 INFO L435 NwaCegarLoop]: 1696 mSDtfsCounter, 0 mSDsluCounter, 3385 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5081 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:38,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5081 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:28:38,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2024-12-02 11:28:39,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1769. [2024-12-02 11:28:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1769 states, 1289 states have (on average 1.39100077579519) internal successors, (1793), 1340 states have internal predecessors, (1793), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-12-02 11:28:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2561 transitions. [2024-12-02 11:28:39,014 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2561 transitions. Word has length 240 [2024-12-02 11:28:39,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:39,015 INFO L471 AbstractCegarLoop]: Abstraction has 1769 states and 2561 transitions. [2024-12-02 11:28:39,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 11:28:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2561 transitions. [2024-12-02 11:28:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 11:28:39,021 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:39,021 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:28:39,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:28:39,021 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:39,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:39,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2096853793, now seen corresponding path program 1 times [2024-12-02 11:28:39,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:39,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145040537] [2024-12-02 11:28:39,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:39,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 11:28:39,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:39,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145040537] [2024-12-02 11:28:39,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145040537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:39,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:39,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:39,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871184285] [2024-12-02 11:28:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:39,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:28:39,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:39,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:28:39,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:39,614 INFO L87 Difference]: Start difference. First operand 1769 states and 2561 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 11:28:43,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:28:44,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:44,854 INFO L93 Difference]: Finished difference Result 3503 states and 5079 transitions. [2024-12-02 11:28:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:28:44,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (24), 1 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 250 [2024-12-02 11:28:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:44,864 INFO L225 Difference]: With dead ends: 3503 [2024-12-02 11:28:44,864 INFO L226 Difference]: Without dead ends: 1780 [2024-12-02 11:28:44,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:44,869 INFO L435 NwaCegarLoop]: 1687 mSDtfsCounter, 1649 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:44,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 2874 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 520 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 11:28:44,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2024-12-02 11:28:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1770. [2024-12-02 11:28:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1290 states have (on average 1.3906976744186046) internal successors, (1794), 1341 states have internal predecessors, (1794), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-12-02 11:28:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2562 transitions. [2024-12-02 11:28:44,923 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2562 transitions. Word has length 250 [2024-12-02 11:28:44,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:44,923 INFO L471 AbstractCegarLoop]: Abstraction has 1770 states and 2562 transitions. [2024-12-02 11:28:44,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 11:28:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2562 transitions. [2024-12-02 11:28:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 11:28:44,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:44,928 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:28:44,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:28:44,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:44,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:44,929 INFO L85 PathProgramCache]: Analyzing trace with hash 505451810, now seen corresponding path program 1 times [2024-12-02 11:28:44,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:44,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996149059] [2024-12-02 11:28:44,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:44,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 11:28:45,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:45,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996149059] [2024-12-02 11:28:45,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996149059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:45,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:45,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:28:45,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48831976] [2024-12-02 11:28:45,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:45,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:28:45,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:45,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:28:45,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:28:45,693 INFO L87 Difference]: Start difference. First operand 1770 states and 2562 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:28:45,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:45,782 INFO L93 Difference]: Finished difference Result 1787 states and 2585 transitions. [2024-12-02 11:28:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:28:45,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (24), 1 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 252 [2024-12-02 11:28:45,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:45,791 INFO L225 Difference]: With dead ends: 1787 [2024-12-02 11:28:45,791 INFO L226 Difference]: Without dead ends: 1785 [2024-12-02 11:28:45,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:28:45,793 INFO L435 NwaCegarLoop]: 1698 mSDtfsCounter, 120 mSDsluCounter, 4931 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:45,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 6629 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:28:45,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2024-12-02 11:28:45,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1772. [2024-12-02 11:28:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1772 states, 1291 states have (on average 1.3903950426026337) internal successors, (1795), 1341 states have internal predecessors, (1795), 385 states have call successors, (385), 95 states have call predecessors, (385), 95 states have return successors, (385), 382 states have call predecessors, (385), 385 states have call successors, (385) [2024-12-02 11:28:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1772 states and 2565 transitions. [2024-12-02 11:28:45,843 INFO L78 Accepts]: Start accepts. Automaton has 1772 states and 2565 transitions. Word has length 252 [2024-12-02 11:28:45,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:45,844 INFO L471 AbstractCegarLoop]: Abstraction has 1772 states and 2565 transitions. [2024-12-02 11:28:45,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:28:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2565 transitions. [2024-12-02 11:28:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 11:28:45,851 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:45,851 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2024-12-02 11:28:45,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:28:45,852 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:45,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1899512810, now seen corresponding path program 1 times [2024-12-02 11:28:45,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:45,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750853341] [2024-12-02 11:28:45,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:45,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-12-02 11:28:46,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:46,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750853341] [2024-12-02 11:28:46,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750853341] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:46,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:46,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:28:46,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048443097] [2024-12-02 11:28:46,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:46,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:28:46,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:46,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:28:46,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:28:46,509 INFO L87 Difference]: Start difference. First operand 1772 states and 2565 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 11:28:50,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:28:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:50,722 INFO L93 Difference]: Finished difference Result 5180 states and 7507 transitions. [2024-12-02 11:28:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:28:50,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (28), 1 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 284 [2024-12-02 11:28:50,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:50,746 INFO L225 Difference]: With dead ends: 5180 [2024-12-02 11:28:50,746 INFO L226 Difference]: Without dead ends: 3454 [2024-12-02 11:28:50,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:28:50,754 INFO L435 NwaCegarLoop]: 2515 mSDtfsCounter, 1605 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 4157 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:50,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 4157 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 11:28:50,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3454 states. [2024-12-02 11:28:50,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3454 to 3448. [2024-12-02 11:28:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3448 states, 2518 states have (on average 1.3947577442414614) internal successors, (3512), 2618 states have internal predecessors, (3512), 742 states have call successors, (742), 187 states have call predecessors, (742), 187 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2024-12-02 11:28:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 3448 states and 4996 transitions. [2024-12-02 11:28:51,003 INFO L78 Accepts]: Start accepts. Automaton has 3448 states and 4996 transitions. Word has length 284 [2024-12-02 11:28:51,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:51,003 INFO L471 AbstractCegarLoop]: Abstraction has 3448 states and 4996 transitions. [2024-12-02 11:28:51,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 11:28:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3448 states and 4996 transitions. [2024-12-02 11:28:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 11:28:51,015 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:51,015 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 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] [2024-12-02 11:28:51,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:28:51,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:51,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:51,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1498931060, now seen corresponding path program 1 times [2024-12-02 11:28:51,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:51,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797623540] [2024-12-02 11:28:51,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:51,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-12-02 11:28:51,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:51,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797623540] [2024-12-02 11:28:51,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797623540] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:51,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:51,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:51,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618880675] [2024-12-02 11:28:51,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:51,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:28:51,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:51,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:28:51,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:51,495 INFO L87 Difference]: Start difference. First operand 3448 states and 4996 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 11:28:55,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:28:55,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:55,700 INFO L93 Difference]: Finished difference Result 5769 states and 8337 transitions. [2024-12-02 11:28:55,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:28:55,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 1 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 286 [2024-12-02 11:28:55,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:55,716 INFO L225 Difference]: With dead ends: 5769 [2024-12-02 11:28:55,717 INFO L226 Difference]: Without dead ends: 2356 [2024-12-02 11:28:55,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:55,728 INFO L435 NwaCegarLoop]: 1697 mSDtfsCounter, 0 mSDsluCounter, 3385 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5082 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:55,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5082 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 11:28:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2024-12-02 11:28:55,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2356. [2024-12-02 11:28:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 1708 states have (on average 1.3823185011709602) internal successors, (2361), 1774 states have internal predecessors, (2361), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-12-02 11:28:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3387 transitions. [2024-12-02 11:28:55,905 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3387 transitions. Word has length 286 [2024-12-02 11:28:55,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:55,905 INFO L471 AbstractCegarLoop]: Abstraction has 2356 states and 3387 transitions. [2024-12-02 11:28:55,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 11:28:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3387 transitions. [2024-12-02 11:28:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 11:28:55,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:55,921 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2024-12-02 11:28:55,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:28:55,921 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:55,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:55,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2044028112, now seen corresponding path program 1 times [2024-12-02 11:28:55,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:55,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954019172] [2024-12-02 11:28:55,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:55,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-12-02 11:28:56,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:56,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954019172] [2024-12-02 11:28:56,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954019172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:56,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:56,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:56,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433050418] [2024-12-02 11:28:56,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:56,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:28:56,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:56,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:28:56,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:56,711 INFO L87 Difference]: Start difference. First operand 2356 states and 3387 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 11:29:00,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:29:01,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:01,949 INFO L93 Difference]: Finished difference Result 4105 states and 5924 transitions. [2024-12-02 11:29:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:29:01,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (28), 1 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 286 [2024-12-02 11:29:01,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:01,960 INFO L225 Difference]: With dead ends: 4105 [2024-12-02 11:29:01,960 INFO L226 Difference]: Without dead ends: 2383 [2024-12-02 11:29:01,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:29:01,965 INFO L435 NwaCegarLoop]: 1685 mSDtfsCounter, 1633 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:01,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 2865 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 534 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 11:29:01,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-12-02 11:29:02,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2360. [2024-12-02 11:29:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 1712 states have (on average 1.3820093457943925) internal successors, (2366), 1778 states have internal predecessors, (2366), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-12-02 11:29:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3392 transitions. [2024-12-02 11:29:02,048 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3392 transitions. Word has length 286 [2024-12-02 11:29:02,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:02,049 INFO L471 AbstractCegarLoop]: Abstraction has 2360 states and 3392 transitions. [2024-12-02 11:29:02,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 11:29:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3392 transitions. [2024-12-02 11:29:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-12-02 11:29:02,058 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:02,058 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2024-12-02 11:29:02,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:29:02,058 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:02,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:02,059 INFO L85 PathProgramCache]: Analyzing trace with hash -969738176, now seen corresponding path program 1 times [2024-12-02 11:29:02,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:02,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134905820] [2024-12-02 11:29:02,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:02,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-12-02 11:29:02,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:02,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134905820] [2024-12-02 11:29:02,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134905820] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:02,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:02,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:29:02,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293761084] [2024-12-02 11:29:02,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:02,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:29:02,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:02,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:29:02,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:02,479 INFO L87 Difference]: Start difference. First operand 2360 states and 3392 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:29:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:02,569 INFO L93 Difference]: Finished difference Result 4674 states and 6756 transitions. [2024-12-02 11:29:02,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:29:02,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (28), 1 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 289 [2024-12-02 11:29:02,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:02,583 INFO L225 Difference]: With dead ends: 4674 [2024-12-02 11:29:02,583 INFO L226 Difference]: Without dead ends: 2360 [2024-12-02 11:29:02,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:02,589 INFO L435 NwaCegarLoop]: 1687 mSDtfsCounter, 0 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3368 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:02,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3368 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:29:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2024-12-02 11:29:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2360. [2024-12-02 11:29:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 1712 states have (on average 1.376752336448598) internal successors, (2357), 1778 states have internal predecessors, (2357), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-12-02 11:29:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3383 transitions. [2024-12-02 11:29:02,684 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3383 transitions. Word has length 289 [2024-12-02 11:29:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:02,684 INFO L471 AbstractCegarLoop]: Abstraction has 2360 states and 3383 transitions. [2024-12-02 11:29:02,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:29:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3383 transitions. [2024-12-02 11:29:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-12-02 11:29:02,692 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:02,692 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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, 1, 1] [2024-12-02 11:29:02,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:29:02,692 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:02,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:02,692 INFO L85 PathProgramCache]: Analyzing trace with hash 950629795, now seen corresponding path program 1 times [2024-12-02 11:29:02,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:02,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777314270] [2024-12-02 11:29:02,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:02,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-12-02 11:29:03,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:03,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777314270] [2024-12-02 11:29:03,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777314270] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:29:03,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252687366] [2024-12-02 11:29:03,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:03,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:29:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:29:03,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:29:03,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:29:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:04,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 2115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:29:04,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 11:29:05,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:29:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-12-02 11:29:05,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252687366] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:29:05,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:29:05,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 10 [2024-12-02 11:29:05,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571771606] [2024-12-02 11:29:05,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:29:05,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:29:05,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:05,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:29:05,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:29:05,398 INFO L87 Difference]: Start difference. First operand 2360 states and 3383 transitions. Second operand has 10 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2024-12-02 11:29:09,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:29:13,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:29:17,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:29:21,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:29:25,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:29:29,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:29:31,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:31,690 INFO L93 Difference]: Finished difference Result 4166 states and 5999 transitions. [2024-12-02 11:29:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:29:31,690 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 292 [2024-12-02 11:29:31,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:31,704 INFO L225 Difference]: With dead ends: 4166 [2024-12-02 11:29:31,704 INFO L226 Difference]: Without dead ends: 2440 [2024-12-02 11:29:31,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:29:31,710 INFO L435 NwaCegarLoop]: 1684 mSDtfsCounter, 1689 mSDsluCounter, 3573 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 38 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 5257 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:31,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 5257 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1608 Invalid, 6 Unknown, 0 Unchecked, 26.0s Time] [2024-12-02 11:29:31,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2024-12-02 11:29:31,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2367. [2024-12-02 11:29:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1719 states have (on average 1.3763816172193135) internal successors, (2366), 1785 states have internal predecessors, (2366), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-12-02 11:29:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3392 transitions. [2024-12-02 11:29:31,840 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3392 transitions. Word has length 292 [2024-12-02 11:29:31,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:31,841 INFO L471 AbstractCegarLoop]: Abstraction has 2367 states and 3392 transitions. [2024-12-02 11:29:31,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.0) internal successors, (230), 10 states have internal predecessors, (230), 4 states have call successors, (77), 3 states have call predecessors, (77), 3 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2024-12-02 11:29:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3392 transitions. [2024-12-02 11:29:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 11:29:31,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:31,851 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 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, 1] [2024-12-02 11:29:31,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:29:32,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:29:32,051 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:32,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:32,052 INFO L85 PathProgramCache]: Analyzing trace with hash -682619377, now seen corresponding path program 1 times [2024-12-02 11:29:32,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:32,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685328466] [2024-12-02 11:29:32,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:32,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-12-02 11:29:33,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:33,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685328466] [2024-12-02 11:29:33,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685328466] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:29:33,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435151959] [2024-12-02 11:29:33,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:33,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:29:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:29:33,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:29:33,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:29:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:34,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:29:34,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-12-02 11:29:34,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:29:34,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435151959] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:34,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:29:34,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-12-02 11:29:34,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297123572] [2024-12-02 11:29:34,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:34,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:29:34,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:34,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:29:34,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:29:34,814 INFO L87 Difference]: Start difference. First operand 2367 states and 3392 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2024-12-02 11:29:34,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:34,880 INFO L93 Difference]: Finished difference Result 4117 states and 5914 transitions. [2024-12-02 11:29:34,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:29:34,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 302 [2024-12-02 11:29:34,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:34,889 INFO L225 Difference]: With dead ends: 4117 [2024-12-02 11:29:34,890 INFO L226 Difference]: Without dead ends: 2367 [2024-12-02 11:29:34,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:29:34,895 INFO L435 NwaCegarLoop]: 1687 mSDtfsCounter, 2 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3371 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:34,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3371 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:29:34,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2024-12-02 11:29:34,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2024-12-02 11:29:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1719 states have (on average 1.3746364165212333) internal successors, (2363), 1785 states have internal predecessors, (2363), 513 states have call successors, (513), 134 states have call predecessors, (513), 134 states have return successors, (513), 508 states have call predecessors, (513), 513 states have call successors, (513) [2024-12-02 11:29:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3389 transitions. [2024-12-02 11:29:34,971 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3389 transitions. Word has length 302 [2024-12-02 11:29:34,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:34,971 INFO L471 AbstractCegarLoop]: Abstraction has 2367 states and 3389 transitions. [2024-12-02 11:29:34,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2024-12-02 11:29:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3389 transitions. [2024-12-02 11:29:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-12-02 11:29:34,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:34,977 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 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, 1, 1, 1] [2024-12-02 11:29:34,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:29:35,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 11:29:35,178 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:35,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:35,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1365341420, now seen corresponding path program 1 times [2024-12-02 11:29:35,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:35,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285217377] [2024-12-02 11:29:35,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:35,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-12-02 11:29:36,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285217377] [2024-12-02 11:29:36,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285217377] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:29:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252013489] [2024-12-02 11:29:36,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:36,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:29:36,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:29:36,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:29:36,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:29:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:37,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 11:29:37,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-12-02 11:29:37,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:29:37,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252013489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:37,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:29:37,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 9 [2024-12-02 11:29:37,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419553818] [2024-12-02 11:29:37,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:37,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:29:37,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:37,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:29:37,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:29:37,642 INFO L87 Difference]: Start difference. First operand 2367 states and 3389 transitions. Second operand has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 11:29:37,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:37,904 INFO L93 Difference]: Finished difference Result 4128 states and 5936 transitions. [2024-12-02 11:29:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 11:29:37,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 304 [2024-12-02 11:29:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:37,916 INFO L225 Difference]: With dead ends: 4128 [2024-12-02 11:29:37,916 INFO L226 Difference]: Without dead ends: 2387 [2024-12-02 11:29:37,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:29:37,922 INFO L435 NwaCegarLoop]: 1714 mSDtfsCounter, 891 mSDsluCounter, 11905 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 13619 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:37,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 13619 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:29:37,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-12-02 11:29:37,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2385. [2024-12-02 11:29:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 1731 states have (on average 1.3720392836510686) internal successors, (2375), 1800 states have internal predecessors, (2375), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 511 states have call predecessors, (533), 513 states have call successors, (533) [2024-12-02 11:29:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 3421 transitions. [2024-12-02 11:29:38,002 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 3421 transitions. Word has length 304 [2024-12-02 11:29:38,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:38,002 INFO L471 AbstractCegarLoop]: Abstraction has 2385 states and 3421 transitions. [2024-12-02 11:29:38,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 11:29:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 3421 transitions. [2024-12-02 11:29:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 11:29:38,008 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:38,009 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:38,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:29:38,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 11:29:38,209 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:38,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:38,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1995711472, now seen corresponding path program 1 times [2024-12-02 11:29:38,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:38,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419675492] [2024-12-02 11:29:38,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:38,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-12-02 11:29:38,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419675492] [2024-12-02 11:29:38,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419675492] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:38,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:38,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:29:38,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038074318] [2024-12-02 11:29:38,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:38,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:29:38,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:38,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:29:38,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:29:38,997 INFO L87 Difference]: Start difference. First operand 2385 states and 3421 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:29:39,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:39,145 INFO L93 Difference]: Finished difference Result 4132 states and 5948 transitions. [2024-12-02 11:29:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:29:39,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 310 [2024-12-02 11:29:39,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:39,159 INFO L225 Difference]: With dead ends: 4132 [2024-12-02 11:29:39,159 INFO L226 Difference]: Without dead ends: 2387 [2024-12-02 11:29:39,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:29:39,164 INFO L435 NwaCegarLoop]: 1687 mSDtfsCounter, 0 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5042 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:39,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5042 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:29:39,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-12-02 11:29:39,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-12-02 11:29:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1733 states have (on average 1.3716099249855742) internal successors, (2377), 1802 states have internal predecessors, (2377), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 511 states have call predecessors, (533), 513 states have call successors, (533) [2024-12-02 11:29:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3423 transitions. [2024-12-02 11:29:39,249 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3423 transitions. Word has length 310 [2024-12-02 11:29:39,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:39,250 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3423 transitions. [2024-12-02 11:29:39,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:29:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3423 transitions. [2024-12-02 11:29:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-12-02 11:29:39,255 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:39,255 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:39,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:29:39,256 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:39,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1861823320, now seen corresponding path program 1 times [2024-12-02 11:29:39,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:39,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382852284] [2024-12-02 11:29:39,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:39,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2024-12-02 11:29:39,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:39,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382852284] [2024-12-02 11:29:39,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382852284] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:39,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:39,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:29:39,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036992513] [2024-12-02 11:29:39,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:39,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:29:39,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:39,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:29:39,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:39,663 INFO L87 Difference]: Start difference. First operand 2387 states and 3423 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 11:29:39,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:39,761 INFO L93 Difference]: Finished difference Result 4136 states and 5953 transitions. [2024-12-02 11:29:39,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:29:39,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 318 [2024-12-02 11:29:39,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:39,774 INFO L225 Difference]: With dead ends: 4136 [2024-12-02 11:29:39,774 INFO L226 Difference]: Without dead ends: 2389 [2024-12-02 11:29:39,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:39,778 INFO L435 NwaCegarLoop]: 1687 mSDtfsCounter, 2 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3359 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:39,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3359 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:29:39,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2024-12-02 11:29:39,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2389. [2024-12-02 11:29:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 1735 states have (on average 1.3711815561959655) internal successors, (2379), 1804 states have internal predecessors, (2379), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 511 states have call predecessors, (533), 513 states have call successors, (533) [2024-12-02 11:29:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3425 transitions. [2024-12-02 11:29:39,853 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3425 transitions. Word has length 318 [2024-12-02 11:29:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:39,854 INFO L471 AbstractCegarLoop]: Abstraction has 2389 states and 3425 transitions. [2024-12-02 11:29:39,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 11:29:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3425 transitions. [2024-12-02 11:29:39,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-12-02 11:29:39,860 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:39,860 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:39,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 11:29:39,860 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:39,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:39,861 INFO L85 PathProgramCache]: Analyzing trace with hash -688180658, now seen corresponding path program 1 times [2024-12-02 11:29:39,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:39,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024871663] [2024-12-02 11:29:39,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:39,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-12-02 11:29:40,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:40,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024871663] [2024-12-02 11:29:40,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024871663] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:40,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:40,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:29:40,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392840761] [2024-12-02 11:29:40,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:40,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:29:40,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:40,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:29:40,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:29:40,761 INFO L87 Difference]: Start difference. First operand 2389 states and 3425 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 11:29:40,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:40,889 INFO L93 Difference]: Finished difference Result 4142 states and 5958 transitions. [2024-12-02 11:29:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:29:40,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 327 [2024-12-02 11:29:40,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:40,901 INFO L225 Difference]: With dead ends: 4142 [2024-12-02 11:29:40,901 INFO L226 Difference]: Without dead ends: 2393 [2024-12-02 11:29:40,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:29:40,905 INFO L435 NwaCegarLoop]: 1687 mSDtfsCounter, 2 mSDsluCounter, 6729 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8416 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:40,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8416 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:29:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2024-12-02 11:29:40,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2392. [2024-12-02 11:29:40,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 1738 states have (on average 1.3705408515535098) internal successors, (2382), 1806 states have internal predecessors, (2382), 513 states have call successors, (513), 134 states have call predecessors, (513), 140 states have return successors, (533), 512 states have call predecessors, (533), 513 states have call successors, (533) [2024-12-02 11:29:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3428 transitions. [2024-12-02 11:29:40,981 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3428 transitions. Word has length 327 [2024-12-02 11:29:40,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:40,982 INFO L471 AbstractCegarLoop]: Abstraction has 2392 states and 3428 transitions. [2024-12-02 11:29:40,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 11:29:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3428 transitions. [2024-12-02 11:29:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-12-02 11:29:40,987 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:40,987 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:40,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 11:29:40,988 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:40,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:40,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1119548466, now seen corresponding path program 2 times [2024-12-02 11:29:40,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:40,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159350262] [2024-12-02 11:29:40,988 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:29:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:41,890 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:29:41,891 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:29:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 11:29:42,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:42,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159350262] [2024-12-02 11:29:42,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159350262] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:29:42,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691083407] [2024-12-02 11:29:42,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:29:42,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:29:42,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:29:42,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:29:42,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd9d0b94-1b83-4930-94d2-f761c669c8e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process