./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.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_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/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_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/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_182348a9-4761-486c-a8a2-662904e60bfd/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 ce02ab8620c6517fc65a07c19449c72687fa040b14d7c36fa40f0b6b2efeb3eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:15:23,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:15:23,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:15:23,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:15:24,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:15:24,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:15:24,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:15:24,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:15:24,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:15:24,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:15:24,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:15:24,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:15:24,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:15:24,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:15:24,026 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:15:24,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:15:24,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:15:24,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:15:24,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:15:24,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:15:24,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:15:24,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:15:24,028 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:15:24,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:15:24,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:15:24,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:15:24,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:15:24,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:15:24,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:15:24,030 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_182348a9-4761-486c-a8a2-662904e60bfd/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 -> ce02ab8620c6517fc65a07c19449c72687fa040b14d7c36fa40f0b6b2efeb3eb [2024-12-02 12:15:24,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:15:24,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:15:24,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:15:24,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:15:24,335 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:15:24,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2024-12-02 12:15:27,650 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/data/5fe96208f/d0041e47eafe49dab7a0b94ac78a89e7/FLAG1e15b6285 [2024-12-02 12:15:28,218 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:15:28,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2024-12-02 12:15:28,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/data/5fe96208f/d0041e47eafe49dab7a0b94ac78a89e7/FLAG1e15b6285 [2024-12-02 12:15:28,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/data/5fe96208f/d0041e47eafe49dab7a0b94ac78a89e7 [2024-12-02 12:15:28,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:15:28,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:15:28,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:15:28,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:15:28,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:15:28,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:28" (1/1) ... [2024-12-02 12:15:28,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa7ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:28, skipping insertion in model container [2024-12-02 12:15:28,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:28" (1/1) ... [2024-12-02 12:15:28,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:15:30,745 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_182348a9-4761-486c-a8a2-662904e60bfd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i[348142,348155] [2024-12-02 12:15:31,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:15:31,063 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:15:31,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4410] [2024-12-02 12:15:31,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4412] [2024-12-02 12:15:31,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4422] [2024-12-02 12:15:31,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4430-4431] [2024-12-02 12:15:31,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4449] [2024-12-02 12:15:31,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4452] [2024-12-02 12:15:31,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4455] [2024-12-02 12:15:31,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4458] [2024-12-02 12:15:31,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [4495-4496] [2024-12-02 12:15:31,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4507-4508] [2024-12-02 12:15:31,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4511-4512] [2024-12-02 12:15:31,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4515-4516] [2024-12-02 12:15:31,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4519-4520] [2024-12-02 12:15:31,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); [4540-4541] [2024-12-02 12:15:31,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incq %0": "=m" (v->counter): "m" (v->counter)); [4548] [2024-12-02 12:15:31,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decq %0": "=m" (v->counter): "m" (v->counter)); [4555] [2024-12-02 12:15:31,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4715] [2024-12-02 12:15:31,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4718] [2024-12-02 12:15:31,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4720] [2024-12-02 12:15:31,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4725] [2024-12-02 12:15:31,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4728] [2024-12-02 12:15:31,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4730] [2024-12-02 12:15:31,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4735] [2024-12-02 12:15:31,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4738] [2024-12-02 12:15:31,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4740] [2024-12-02 12:15:31,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4745] [2024-12-02 12:15:31,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4748] [2024-12-02 12:15:31,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4750] [2024-12-02 12:15:31,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4808] [2024-12-02 12:15:31,673 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_182348a9-4761-486c-a8a2-662904e60bfd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i[348142,348155] [2024-12-02 12:15:31,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:15:31,831 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:15:31,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31 WrapperNode [2024-12-02 12:15:31,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:15:31,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:15:31,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:15:31,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:15:31,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:31,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:32,346 INFO L138 Inliner]: procedures = 339, calls = 4618, calls flagged for inlining = 148, calls inlined = 138, statements flattened = 10651 [2024-12-02 12:15:32,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:15:32,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:15:32,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:15:32,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:15:32,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:32,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:32,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:34,769 INFO L175 MemorySlicer]: Split 3066 memory accesses to 42 slices as follows [160, 8, 9, 7, 4, 3, 10, 58, 17, 3, 16, 2181, 2, 12, 7, 31, 8, 8, 1, 24, 3, 1, 64, 18, 2, 4, 2, 8, 4, 34, 14, 5, 3, 1, 218, 2, 1, 3, 20, 80, 5, 5]. 71 percent of accesses are in the largest equivalence class. The 521 initializations are split as follows [0, 8, 0, 0, 4, 3, 0, 58, 17, 3, 0, 57, 2, 12, 0, 31, 8, 8, 1, 12, 3, 0, 0, 0, 2, 4, 0, 8, 4, 0, 14, 5, 3, 0, 218, 2, 1, 3, 20, 0, 5, 5]. The 1147 writes are split as follows [160, 0, 4, 3, 0, 0, 1, 0, 0, 0, 16, 760, 0, 0, 4, 0, 0, 0, 0, 12, 0, 0, 64, 17, 0, 0, 0, 0, 0, 25, 0, 0, 0, 1, 0, 0, 0, 0, 0, 80, 0, 0]. [2024-12-02 12:15:34,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:34,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:34,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:35,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:35,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:35,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:35,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:35,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:15:35,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:15:35,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:15:35,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:15:35,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (1/1) ... [2024-12-02 12:15:35,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:15:35,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:15:35,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:15:35,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:15:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2024-12-02 12:15:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2024-12-02 12:15:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-12-02 12:15:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-12-02 12:15:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2024-12-02 12:15:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 12:15:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 12:15:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 12:15:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-12-02 12:15:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#39 [2024-12-02 12:15:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#40 [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#41 [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2024-12-02 12:15:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:15:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 12:15:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 12:15:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2024-12-02 12:15:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2024-12-02 12:15:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2024-12-02 12:15:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#39 [2024-12-02 12:15:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#40 [2024-12-02 12:15:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#41 [2024-12-02 12:15:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 12:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 12:15:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 12:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 12:15:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2024-12-02 12:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 12:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 12:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2024-12-02 12:15:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 12:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2024-12-02 12:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2024-12-02 12:15:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2024-12-02 12:15:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#35 [2024-12-02 12:15:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#36 [2024-12-02 12:15:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#37 [2024-12-02 12:15:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#38 [2024-12-02 12:15:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#39 [2024-12-02 12:15:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#40 [2024-12-02 12:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#41 [2024-12-02 12:15:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 12:15:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-02 12:15:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#35 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#36 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#37 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#38 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#39 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#40 [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#41 [2024-12-02 12:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2024-12-02 12:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2024-12-02 12:15:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2024-12-02 12:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2024-12-02 12:15:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2024-12-02 12:15:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 12:15:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 12:15:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2024-12-02 12:15:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2024-12-02 12:15:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:15:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2024-12-02 12:15:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2024-12-02 12:15:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_st_ref_mutex [2024-12-02 12:15:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_st_ref_mutex [2024-12-02 12:15:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2024-12-02 12:15:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2024-12-02 12:15:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:15:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 12:15:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2024-12-02 12:15:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2024-12-02 12:15:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2024-12-02 12:15:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2024-12-02 12:15:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 12:15:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 12:15:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-12-02 12:15:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-12-02 12:15:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2024-12-02 12:15:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2024-12-02 12:15:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2024-12-02 12:15:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:15:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 12:15:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2024-12-02 12:15:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 12:15:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-12-02 12:15:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-12-02 12:15:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2024-12-02 12:15:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2024-12-02 12:15:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2024-12-02 12:15:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2024-12-02 12:15:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2024-12-02 12:15:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2024-12-02 12:15:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-12-02 12:15:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-12-02 12:15:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-12-02 12:15:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-12-02 12:15:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 12:15:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 12:15:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 12:15:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 12:15:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2024-12-02 12:15:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2024-12-02 12:15:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 12:15:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2024-12-02 12:15:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_scsi_tape [2024-12-02 12:15:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_scsi_tape [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 12:15:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-02 12:15:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#39 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#40 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#41 [2024-12-02 12:15:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2024-12-02 12:15:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 12:15:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2024-12-02 12:15:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 12:15:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2024-12-02 12:15:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#39 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#40 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#41 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 12:15:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2024-12-02 12:15:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2024-12-02 12:15:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 12:15:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 12:15:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 12:15:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2024-12-02 12:15:35,455 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2024-12-02 12:15:35,455 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2024-12-02 12:15:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2024-12-02 12:15:35,455 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2024-12-02 12:15:35,456 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:15:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#33 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#34 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#35 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#36 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#37 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#38 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#39 [2024-12-02 12:15:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#40 [2024-12-02 12:15:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#41 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:15:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#33 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#34 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#35 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#36 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#37 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#38 [2024-12-02 12:15:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#39 [2024-12-02 12:15:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#40 [2024-12-02 12:15:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#41 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2024-12-02 12:15:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2024-12-02 12:15:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2024-12-02 12:15:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 12:15:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2024-12-02 12:15:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 12:15:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-12-02 12:15:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-12-02 12:15:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-12-02 12:15:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-12-02 12:15:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-12-02 12:15:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2024-12-02 12:15:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2024-12-02 12:15:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2024-12-02 12:15:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-12-02 12:15:35,472 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-12-02 12:15:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-12-02 12:15:35,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-12-02 12:15:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 12:15:35,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 12:15:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2024-12-02 12:15:35,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2024-12-02 12:15:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 12:15:35,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 12:15:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_st_ref_mutex [2024-12-02 12:15:35,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_st_ref_mutex [2024-12-02 12:15:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:15:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 12:15:35,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 12:15:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-12-02 12:15:35,474 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-12-02 12:15:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:15:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2024-12-02 12:15:35,474 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2024-12-02 12:15:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 12:15:35,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 12:15:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2024-12-02 12:15:35,474 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2024-12-02 12:15:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-12-02 12:15:35,475 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 12:15:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 12:15:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-12-02 12:15:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 12:15:35,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2024-12-02 12:15:35,478 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2024-12-02 12:15:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2024-12-02 12:15:35,478 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2024-12-02 12:15:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 12:15:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 12:15:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 12:15:35,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-12-02 12:15:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2024-12-02 12:15:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2024-12-02 12:15:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:15:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:15:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 12:15:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 12:15:36,982 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:15:36,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:16:01,359 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 12:16:12,287 INFO L? ?]: Removed 4594 outVars from TransFormulas that were not future-live. [2024-12-02 12:16:12,287 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:16:12,339 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:16:12,340 INFO L312 CfgBuilder]: Removed 21 assume(true) statements. [2024-12-02 12:16:12,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:16:12 BoogieIcfgContainer [2024-12-02 12:16:12,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:16:12,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:16:12,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:16:12,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:16:12,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:15:28" (1/3) ... [2024-12-02 12:16:12,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202d1f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:16:12, skipping insertion in model container [2024-12-02 12:16:12,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:31" (2/3) ... [2024-12-02 12:16:12,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202d1f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:16:12, skipping insertion in model container [2024-12-02 12:16:12,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:16:12" (3/3) ... [2024-12-02 12:16:12,349 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2024-12-02 12:16:12,363 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:16:12,365 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i that has 178 procedures, 3917 locations, 1 initial locations, 149 loop locations, and 1 error locations. [2024-12-02 12:16:12,473 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:16:12,485 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;@17ffc6ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:16:12,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:16:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 3551 states, 2766 states have (on average 1.4649313087490963) internal successors, (4052), 2819 states have internal predecessors, (4052), 688 states have call successors, (688), 96 states have call predecessors, (688), 95 states have return successors, (665), 662 states have call predecessors, (665), 665 states have call successors, (665) [2024-12-02 12:16:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1049 [2024-12-02 12:16:12,557 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:12,558 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:16:12,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:12,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:12,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1281704954, now seen corresponding path program 1 times [2024-12-02 12:16:12,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:16:12,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283793205] [2024-12-02 12:16:12,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:12,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:16:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 23394 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 23109 trivial. 0 not checked. [2024-12-02 12:16:26,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:16:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283793205] [2024-12-02 12:16:26,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283793205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:16:26,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309941818] [2024-12-02 12:16:26,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:26,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:16:26,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:16:26,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:16:26,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:16:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:42,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 11387 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:16:42,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:16:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 23394 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 22881 trivial. 0 not checked. [2024-12-02 12:16:42,485 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:16:42,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309941818] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:16:42,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:16:42,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:16:42,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173030494] [2024-12-02 12:16:42,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:16:42,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:16:42,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:16:42,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:16:42,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:16:42,520 INFO L87 Difference]: Start difference. First operand has 3551 states, 2766 states have (on average 1.4649313087490963) internal successors, (4052), 2819 states have internal predecessors, (4052), 688 states have call successors, (688), 96 states have call predecessors, (688), 95 states have return successors, (665), 662 states have call predecessors, (665), 665 states have call successors, (665) Second operand has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 2 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 12:16:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:16:42,762 INFO L93 Difference]: Finished difference Result 7097 states and 10984 transitions. [2024-12-02 12:16:42,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:16:42,764 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 2 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 1048 [2024-12-02 12:16:42,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:16:42,805 INFO L225 Difference]: With dead ends: 7097 [2024-12-02 12:16:42,805 INFO L226 Difference]: Without dead ends: 3520 [2024-12-02 12:16:42,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1049 GetRequests, 1049 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 12:16:42,838 INFO L435 NwaCegarLoop]: 5371 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, 5371 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 12:16:42,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5371 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:16:42,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2024-12-02 12:16:43,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 3520. [2024-12-02 12:16:43,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3520 states, 2760 states have (on average 1.4481884057971015) internal successors, (3997), 2788 states have internal predecessors, (3997), 665 states have call successors, (665), 95 states have call predecessors, (665), 94 states have return successors, (656), 653 states have call predecessors, (656), 656 states have call successors, (656) [2024-12-02 12:16:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3520 states and 5318 transitions. [2024-12-02 12:16:43,105 INFO L78 Accepts]: Start accepts. Automaton has 3520 states and 5318 transitions. Word has length 1048 [2024-12-02 12:16:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:16:43,106 INFO L471 AbstractCegarLoop]: Abstraction has 3520 states and 5318 transitions. [2024-12-02 12:16:43,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 2 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 12:16:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 5318 transitions. [2024-12-02 12:16:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1049 [2024-12-02 12:16:43,152 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:43,153 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:16:43,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:16:43,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:16:43,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:43,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:43,355 INFO L85 PathProgramCache]: Analyzing trace with hash -131642770, now seen corresponding path program 1 times [2024-12-02 12:16:43,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:16:43,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943010086] [2024-12-02 12:16:43,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:16:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:16:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 23394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23394 trivial. 0 not checked. [2024-12-02 12:16:57,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:16:57,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943010086] [2024-12-02 12:16:57,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943010086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:16:57,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:16:57,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:16:57,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640254482] [2024-12-02 12:16:57,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:16:57,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:16:57,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:16:57,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:16:57,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:16:57,253 INFO L87 Difference]: Start difference. First operand 3520 states and 5318 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-02 12:16:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:16:57,816 INFO L93 Difference]: Finished difference Result 10052 states and 15201 transitions. [2024-12-02 12:16:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:16:57,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 1048 [2024-12-02 12:16:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:16:57,869 INFO L225 Difference]: With dead ends: 10052 [2024-12-02 12:16:57,869 INFO L226 Difference]: Without dead ends: 6676 [2024-12-02 12:16:57,884 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 12:16:57,885 INFO L435 NwaCegarLoop]: 5319 mSDtfsCounter, 4978 mSDsluCounter, 5099 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4978 SdHoareTripleChecker+Valid, 10418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:16:57,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4978 Valid, 10418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:16:57,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2024-12-02 12:16:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6655. [2024-12-02 12:16:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6655 states, 5276 states have (on average 1.4565959059893858) internal successors, (7685), 5320 states have internal predecessors, (7685), 1196 states have call successors, (1196), 183 states have call predecessors, (1196), 182 states have return successors, (1187), 1181 states have call predecessors, (1187), 1187 states have call successors, (1187) [2024-12-02 12:16:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6655 states to 6655 states and 10068 transitions. [2024-12-02 12:16:58,204 INFO L78 Accepts]: Start accepts. Automaton has 6655 states and 10068 transitions. Word has length 1048 [2024-12-02 12:16:58,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:16:58,206 INFO L471 AbstractCegarLoop]: Abstraction has 6655 states and 10068 transitions. [2024-12-02 12:16:58,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-02 12:16:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 6655 states and 10068 transitions. [2024-12-02 12:16:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2024-12-02 12:16:58,218 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:16:58,219 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:16:58,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:16:58,219 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:16:58,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:16:58,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1155889325, now seen corresponding path program 1 times [2024-12-02 12:16:58,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:16:58,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826268742] [2024-12-02 12:16:58,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:16:58,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:17:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 23394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23394 trivial. 0 not checked. [2024-12-02 12:17:10,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:17:10,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826268742] [2024-12-02 12:17:10,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826268742] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:17:10,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:17:10,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:17:10,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392134193] [2024-12-02 12:17:10,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:17:10,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:17:10,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:17:10,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:17:10,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:17:10,019 INFO L87 Difference]: Start difference. First operand 6655 states and 10068 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-12-02 12:17:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:17:10,581 INFO L93 Difference]: Finished difference Result 14246 states and 21488 transitions. [2024-12-02 12:17:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:17:10,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 1050 [2024-12-02 12:17:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:17:10,620 INFO L225 Difference]: With dead ends: 14246 [2024-12-02 12:17:10,620 INFO L226 Difference]: Without dead ends: 7735 [2024-12-02 12:17:10,641 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 12:17:10,642 INFO L435 NwaCegarLoop]: 5536 mSDtfsCounter, 1215 mSDsluCounter, 5075 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 10611 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:17:10,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 10611 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:17:10,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7735 states. [2024-12-02 12:17:10,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7735 to 7718. [2024-12-02 12:17:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7718 states, 6122 states have (on average 1.4519764782750735) internal successors, (8889), 6183 states have internal predecessors, (8889), 1364 states have call successors, (1364), 232 states have call predecessors, (1364), 231 states have return successors, (1355), 1345 states have call predecessors, (1355), 1355 states have call successors, (1355) [2024-12-02 12:17:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7718 states to 7718 states and 11608 transitions. [2024-12-02 12:17:10,875 INFO L78 Accepts]: Start accepts. Automaton has 7718 states and 11608 transitions. Word has length 1050 [2024-12-02 12:17:10,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:17:10,877 INFO L471 AbstractCegarLoop]: Abstraction has 7718 states and 11608 transitions. [2024-12-02 12:17:10,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-12-02 12:17:10,877 INFO L276 IsEmpty]: Start isEmpty. Operand 7718 states and 11608 transitions. [2024-12-02 12:17:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2024-12-02 12:17:10,886 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:17:10,886 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:10,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:17:10,886 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:17:10,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:17:10,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1472465573, now seen corresponding path program 1 times [2024-12-02 12:17:10,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:17:10,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118630942] [2024-12-02 12:17:10,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:10,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:17:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 23397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23397 trivial. 0 not checked. [2024-12-02 12:17:23,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:17:23,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118630942] [2024-12-02 12:17:23,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118630942] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:17:23,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:17:23,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:17:23,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831385479] [2024-12-02 12:17:23,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:17:23,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:17:23,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:17:23,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:17:23,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:17:23,222 INFO L87 Difference]: Start difference. First operand 7718 states and 11608 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2024-12-02 12:17:23,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:17:23,468 INFO L93 Difference]: Finished difference Result 15278 states and 22993 transitions. [2024-12-02 12:17:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:17:23,470 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 1056 [2024-12-02 12:17:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:17:23,527 INFO L225 Difference]: With dead ends: 15278 [2024-12-02 12:17:23,527 INFO L226 Difference]: Without dead ends: 7718 [2024-12-02 12:17:23,555 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 12:17:23,556 INFO L435 NwaCegarLoop]: 5316 mSDtfsCounter, 5169 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5169 SdHoareTripleChecker+Valid, 5316 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:17:23,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5169 Valid, 5316 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:17:23,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2024-12-02 12:17:23,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7718. [2024-12-02 12:17:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7718 states, 6122 states have (on average 1.4513230970271154) internal successors, (8885), 6183 states have internal predecessors, (8885), 1364 states have call successors, (1364), 232 states have call predecessors, (1364), 231 states have return successors, (1355), 1345 states have call predecessors, (1355), 1355 states have call successors, (1355) [2024-12-02 12:17:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7718 states to 7718 states and 11604 transitions. [2024-12-02 12:17:23,914 INFO L78 Accepts]: Start accepts. Automaton has 7718 states and 11604 transitions. Word has length 1056 [2024-12-02 12:17:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:17:23,916 INFO L471 AbstractCegarLoop]: Abstraction has 7718 states and 11604 transitions. [2024-12-02 12:17:23,916 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2024-12-02 12:17:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 7718 states and 11604 transitions. [2024-12-02 12:17:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2024-12-02 12:17:23,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:17:23,928 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:23,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:17:23,928 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:17:23,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:17:23,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1338452067, now seen corresponding path program 1 times [2024-12-02 12:17:23,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:17:23,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851553365] [2024-12-02 12:17:23,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:17:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 23397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23397 trivial. 0 not checked. [2024-12-02 12:17:35,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:17:35,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851553365] [2024-12-02 12:17:35,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851553365] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:17:35,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:17:35,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:17:35,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277017274] [2024-12-02 12:17:35,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:17:35,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:17:35,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:17:35,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:17:35,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:17:35,853 INFO L87 Difference]: Start difference. First operand 7718 states and 11604 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2024-12-02 12:17:36,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:17:36,021 INFO L93 Difference]: Finished difference Result 15278 states and 22985 transitions. [2024-12-02 12:17:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:17:36,022 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 1056 [2024-12-02 12:17:36,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:17:36,059 INFO L225 Difference]: With dead ends: 15278 [2024-12-02 12:17:36,059 INFO L226 Difference]: Without dead ends: 7718 [2024-12-02 12:17:36,079 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 12:17:36,079 INFO L435 NwaCegarLoop]: 5315 mSDtfsCounter, 5167 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5167 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:17:36,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5167 Valid, 5315 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:17:36,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2024-12-02 12:17:36,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7718. [2024-12-02 12:17:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7718 states, 6122 states have (on average 1.450669715779157) internal successors, (8881), 6183 states have internal predecessors, (8881), 1364 states have call successors, (1364), 232 states have call predecessors, (1364), 231 states have return successors, (1355), 1345 states have call predecessors, (1355), 1355 states have call successors, (1355) [2024-12-02 12:17:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7718 states to 7718 states and 11600 transitions. [2024-12-02 12:17:36,316 INFO L78 Accepts]: Start accepts. Automaton has 7718 states and 11600 transitions. Word has length 1056 [2024-12-02 12:17:36,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:17:36,318 INFO L471 AbstractCegarLoop]: Abstraction has 7718 states and 11600 transitions. [2024-12-02 12:17:36,318 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2024-12-02 12:17:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 7718 states and 11600 transitions. [2024-12-02 12:17:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2024-12-02 12:17:36,325 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:17:36,325 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:36,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:17:36,326 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:17:36,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:17:36,326 INFO L85 PathProgramCache]: Analyzing trace with hash -466986267, now seen corresponding path program 1 times [2024-12-02 12:17:36,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:17:36,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254780587] [2024-12-02 12:17:36,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:36,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:17:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 23397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23397 trivial. 0 not checked. [2024-12-02 12:17:48,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:17:48,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254780587] [2024-12-02 12:17:48,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254780587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:17:48,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:17:48,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:17:48,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448322541] [2024-12-02 12:17:48,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:17:48,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:17:48,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:17:48,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:17:48,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:17:48,178 INFO L87 Difference]: Start difference. First operand 7718 states and 11600 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:17:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:17:48,329 INFO L93 Difference]: Finished difference Result 7720 states and 11601 transitions. [2024-12-02 12:17:48,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:17:48,329 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 1056 [2024-12-02 12:17:48,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:17:48,358 INFO L225 Difference]: With dead ends: 7720 [2024-12-02 12:17:48,358 INFO L226 Difference]: Without dead ends: 7717 [2024-12-02 12:17:48,362 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 12:17:48,362 INFO L435 NwaCegarLoop]: 5313 mSDtfsCounter, 5151 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5151 SdHoareTripleChecker+Valid, 5313 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:17:48,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5151 Valid, 5313 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:17:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7717 states. [2024-12-02 12:17:48,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7717 to 7717. [2024-12-02 12:17:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7717 states, 6122 states have (on average 1.4505063704671677) internal successors, (8880), 6182 states have internal predecessors, (8880), 1363 states have call successors, (1363), 232 states have call predecessors, (1363), 231 states have return successors, (1355), 1345 states have call predecessors, (1355), 1355 states have call successors, (1355) [2024-12-02 12:17:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7717 states to 7717 states and 11598 transitions. [2024-12-02 12:17:48,594 INFO L78 Accepts]: Start accepts. Automaton has 7717 states and 11598 transitions. Word has length 1056 [2024-12-02 12:17:48,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:17:48,595 INFO L471 AbstractCegarLoop]: Abstraction has 7717 states and 11598 transitions. [2024-12-02 12:17:48,595 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, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:17:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 7717 states and 11598 transitions. [2024-12-02 12:17:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1058 [2024-12-02 12:17:48,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:17:48,603 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:17:48,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:17:48,603 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:17:48,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:17:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1594716680, now seen corresponding path program 1 times [2024-12-02 12:17:48,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:17:48,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243376443] [2024-12-02 12:17:48,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:17:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:17:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:17:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 23397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23397 trivial. 0 not checked. [2024-12-02 12:17:59,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:17:59,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243376443] [2024-12-02 12:18:00,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243376443] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:00,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:00,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:18:00,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137369496] [2024-12-02 12:18:00,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:00,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:18:00,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:00,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:18:00,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:18:00,002 INFO L87 Difference]: Start difference. First operand 7717 states and 11598 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:00,143 INFO L93 Difference]: Finished difference Result 7719 states and 11599 transitions. [2024-12-02 12:18:00,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:18:00,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 1057 [2024-12-02 12:18:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:00,174 INFO L225 Difference]: With dead ends: 7719 [2024-12-02 12:18:00,174 INFO L226 Difference]: Without dead ends: 7716 [2024-12-02 12:18:00,178 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 12:18:00,178 INFO L435 NwaCegarLoop]: 5311 mSDtfsCounter, 5148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 5311 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:00,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 5311 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:18:00,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7716 states. [2024-12-02 12:18:00,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7716 to 7716. [2024-12-02 12:18:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7716 states, 6122 states have (on average 1.450343025155178) internal successors, (8879), 6181 states have internal predecessors, (8879), 1362 states have call successors, (1362), 232 states have call predecessors, (1362), 231 states have return successors, (1355), 1345 states have call predecessors, (1355), 1355 states have call successors, (1355) [2024-12-02 12:18:00,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7716 states to 7716 states and 11596 transitions. [2024-12-02 12:18:00,417 INFO L78 Accepts]: Start accepts. Automaton has 7716 states and 11596 transitions. Word has length 1057 [2024-12-02 12:18:00,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:00,417 INFO L471 AbstractCegarLoop]: Abstraction has 7716 states and 11596 transitions. [2024-12-02 12:18:00,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7716 states and 11596 transitions. [2024-12-02 12:18:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2024-12-02 12:18:00,425 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:00,425 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:00,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:18:00,425 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:00,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:00,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2100351048, now seen corresponding path program 1 times [2024-12-02 12:18:00,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:00,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732938358] [2024-12-02 12:18:00,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:00,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 23397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23397 trivial. 0 not checked. [2024-12-02 12:18:12,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:12,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732938358] [2024-12-02 12:18:12,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732938358] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:12,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:12,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:18:12,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604314811] [2024-12-02 12:18:12,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:12,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:18:12,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:12,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:18:12,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:18:12,580 INFO L87 Difference]: Start difference. First operand 7716 states and 11596 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:13,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:13,011 INFO L93 Difference]: Finished difference Result 22748 states and 34257 transitions. [2024-12-02 12:18:13,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:18:13,012 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), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 1058 [2024-12-02 12:18:13,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:13,068 INFO L225 Difference]: With dead ends: 22748 [2024-12-02 12:18:13,068 INFO L226 Difference]: Without dead ends: 15190 [2024-12-02 12:18:13,090 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 12:18:13,090 INFO L435 NwaCegarLoop]: 6465 mSDtfsCounter, 5144 mSDsluCounter, 5035 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5144 SdHoareTripleChecker+Valid, 11500 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:13,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5144 Valid, 11500 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:18:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15190 states. [2024-12-02 12:18:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15190 to 15132. [2024-12-02 12:18:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15132 states, 12052 states have (on average 1.4548622635247261) internal successors, (17534), 12194 states have internal predecessors, (17534), 2628 states have call successors, (2628), 453 states have call predecessors, (2628), 451 states have return successors, (2637), 2569 states have call predecessors, (2637), 2617 states have call successors, (2637) [2024-12-02 12:18:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15132 states to 15132 states and 22799 transitions. [2024-12-02 12:18:13,620 INFO L78 Accepts]: Start accepts. Automaton has 15132 states and 22799 transitions. Word has length 1058 [2024-12-02 12:18:13,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:13,620 INFO L471 AbstractCegarLoop]: Abstraction has 15132 states and 22799 transitions. [2024-12-02 12:18:13,621 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), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15132 states and 22799 transitions. [2024-12-02 12:18:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2024-12-02 12:18:13,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:13,627 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:13,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:18:13,627 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:13,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:13,628 INFO L85 PathProgramCache]: Analyzing trace with hash 683338491, now seen corresponding path program 1 times [2024-12-02 12:18:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:13,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800321117] [2024-12-02 12:18:13,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 23397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23397 trivial. 0 not checked. [2024-12-02 12:18:25,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:25,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800321117] [2024-12-02 12:18:25,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800321117] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:25,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:25,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:18:25,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644710163] [2024-12-02 12:18:25,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:25,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:18:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:25,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:18:25,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:18:25,734 INFO L87 Difference]: Start difference. First operand 15132 states and 22799 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:26,019 INFO L93 Difference]: Finished difference Result 15134 states and 22800 transitions. [2024-12-02 12:18:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:18:26,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 1059 [2024-12-02 12:18:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:26,070 INFO L225 Difference]: With dead ends: 15134 [2024-12-02 12:18:26,070 INFO L226 Difference]: Without dead ends: 15131 [2024-12-02 12:18:26,078 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 12:18:26,078 INFO L435 NwaCegarLoop]: 5309 mSDtfsCounter, 5144 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5144 SdHoareTripleChecker+Valid, 5309 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:26,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5144 Valid, 5309 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:18:26,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15131 states. [2024-12-02 12:18:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15131 to 15131. [2024-12-02 12:18:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15131 states, 12052 states have (on average 1.4547792897444407) internal successors, (17533), 12193 states have internal predecessors, (17533), 2627 states have call successors, (2627), 453 states have call predecessors, (2627), 451 states have return successors, (2637), 2569 states have call predecessors, (2637), 2617 states have call successors, (2637) [2024-12-02 12:18:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15131 states to 15131 states and 22797 transitions. [2024-12-02 12:18:26,597 INFO L78 Accepts]: Start accepts. Automaton has 15131 states and 22797 transitions. Word has length 1059 [2024-12-02 12:18:26,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:26,598 INFO L471 AbstractCegarLoop]: Abstraction has 15131 states and 22797 transitions. [2024-12-02 12:18:26,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:26,598 INFO L276 IsEmpty]: Start isEmpty. Operand 15131 states and 22797 transitions. [2024-12-02 12:18:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2024-12-02 12:18:26,605 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:26,605 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:26,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:18:26,606 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:26,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash -294372949, now seen corresponding path program 1 times [2024-12-02 12:18:26,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:26,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686016597] [2024-12-02 12:18:26,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 23397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23397 trivial. 0 not checked. [2024-12-02 12:18:38,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:38,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686016597] [2024-12-02 12:18:38,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686016597] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:38,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:38,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:18:38,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522248149] [2024-12-02 12:18:38,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:38,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:18:38,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:38,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:18:38,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:18:38,860 INFO L87 Difference]: Start difference. First operand 15131 states and 22797 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:39,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:39,214 INFO L93 Difference]: Finished difference Result 15361 states and 23011 transitions. [2024-12-02 12:18:39,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:18:39,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 1060 [2024-12-02 12:18:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:39,284 INFO L225 Difference]: With dead ends: 15361 [2024-12-02 12:18:39,284 INFO L226 Difference]: Without dead ends: 15313 [2024-12-02 12:18:39,299 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 12:18:39,299 INFO L435 NwaCegarLoop]: 5307 mSDtfsCounter, 4981 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4981 SdHoareTripleChecker+Valid, 5514 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:39,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4981 Valid, 5514 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:18:39,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15313 states. [2024-12-02 12:18:40,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15313 to 15311. [2024-12-02 12:18:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15311 states, 12200 states have (on average 1.449672131147541) internal successors, (17686), 12336 states have internal predecessors, (17686), 2609 states have call successors, (2609), 503 states have call predecessors, (2609), 501 states have return successors, (2621), 2556 states have call predecessors, (2621), 2601 states have call successors, (2621) [2024-12-02 12:18:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15311 states to 15311 states and 22916 transitions. [2024-12-02 12:18:40,203 INFO L78 Accepts]: Start accepts. Automaton has 15311 states and 22916 transitions. Word has length 1060 [2024-12-02 12:18:40,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:40,204 INFO L471 AbstractCegarLoop]: Abstraction has 15311 states and 22916 transitions. [2024-12-02 12:18:40,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 12:18:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 15311 states and 22916 transitions. [2024-12-02 12:18:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2024-12-02 12:18:40,222 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:40,222 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:40,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:18:40,222 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:40,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:40,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1905830684, now seen corresponding path program 1 times [2024-12-02 12:18:40,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:40,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861092870] [2024-12-02 12:18:40,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:40,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 25893 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25878 trivial. 0 not checked. [2024-12-02 12:18:53,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:53,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861092870] [2024-12-02 12:18:53,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861092870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:53,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:53,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:18:53,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329258752] [2024-12-02 12:18:53,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:53,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:18:53,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:53,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:18:53,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:18:53,839 INFO L87 Difference]: Start difference. First operand 15311 states and 22916 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 12:18:57,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:18:59,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:59,143 INFO L93 Difference]: Finished difference Result 30489 states and 45642 transitions. [2024-12-02 12:18:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:18:59,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) Word has length 1158 [2024-12-02 12:18:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:59,208 INFO L225 Difference]: With dead ends: 30489 [2024-12-02 12:18:59,208 INFO L226 Difference]: Without dead ends: 15256 [2024-12-02 12:18:59,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:18:59,259 INFO L435 NwaCegarLoop]: 5302 mSDtfsCounter, 8 mSDsluCounter, 15877 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 21179 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:59,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 21179 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:18:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15256 states. [2024-12-02 12:18:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15256 to 15162. [2024-12-02 12:18:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15162 states, 12101 states have (on average 1.4506239153788942) internal successors, (17554), 12233 states have internal predecessors, (17554), 2575 states have call successors, (2575), 487 states have call predecessors, (2575), 485 states have return successors, (2587), 2514 states have call predecessors, (2587), 2567 states have call successors, (2587) [2024-12-02 12:19:00,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15162 states to 15162 states and 22716 transitions. [2024-12-02 12:19:00,027 INFO L78 Accepts]: Start accepts. Automaton has 15162 states and 22716 transitions. Word has length 1158 [2024-12-02 12:19:00,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:00,028 INFO L471 AbstractCegarLoop]: Abstraction has 15162 states and 22716 transitions. [2024-12-02 12:19:00,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 12:19:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 15162 states and 22716 transitions. [2024-12-02 12:19:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2024-12-02 12:19:00,038 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:00,038 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:00,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:19:00,039 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:00,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1992278518, now seen corresponding path program 1 times [2024-12-02 12:19:00,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:00,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712555473] [2024-12-02 12:19:00,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:00,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 25890 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25884 trivial. 0 not checked. [2024-12-02 12:19:12,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:12,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712555473] [2024-12-02 12:19:12,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712555473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:12,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:12,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:19:12,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671472354] [2024-12-02 12:19:12,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:12,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:19:12,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:12,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:19:12,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:19:12,793 INFO L87 Difference]: Start difference. First operand 15162 states and 22716 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2024-12-02 12:19:13,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:13,411 INFO L93 Difference]: Finished difference Result 30158 states and 45203 transitions. [2024-12-02 12:19:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:19:13,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) Word has length 1165 [2024-12-02 12:19:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:13,460 INFO L225 Difference]: With dead ends: 30158 [2024-12-02 12:19:13,460 INFO L226 Difference]: Without dead ends: 15154 [2024-12-02 12:19:13,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:19:13,493 INFO L435 NwaCegarLoop]: 5301 mSDtfsCounter, 0 mSDsluCounter, 21198 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26499 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:13,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26499 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:19:13,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15154 states. [2024-12-02 12:19:14,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15154 to 15154. [2024-12-02 12:19:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15154 states, 12095 states have (on average 1.4506821000413395) internal successors, (17546), 12229 states have internal predecessors, (17546), 2575 states have call successors, (2575), 487 states have call predecessors, (2575), 483 states have return successors, (2579), 2510 states have call predecessors, (2579), 2567 states have call successors, (2579) [2024-12-02 12:19:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15154 states to 15154 states and 22700 transitions. [2024-12-02 12:19:14,070 INFO L78 Accepts]: Start accepts. Automaton has 15154 states and 22700 transitions. Word has length 1165 [2024-12-02 12:19:14,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:14,071 INFO L471 AbstractCegarLoop]: Abstraction has 15154 states and 22700 transitions. [2024-12-02 12:19:14,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2024-12-02 12:19:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15154 states and 22700 transitions. [2024-12-02 12:19:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1169 [2024-12-02 12:19:14,081 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:14,081 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:14,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:19:14,081 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:14,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:14,082 INFO L85 PathProgramCache]: Analyzing trace with hash 99578824, now seen corresponding path program 1 times [2024-12-02 12:19:14,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:14,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143315552] [2024-12-02 12:19:14,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:14,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 25878 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25875 trivial. 0 not checked. [2024-12-02 12:19:26,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:26,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143315552] [2024-12-02 12:19:26,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143315552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:26,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:26,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:26,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675615812] [2024-12-02 12:19:26,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:26,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:26,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:26,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:26,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:26,475 INFO L87 Difference]: Start difference. First operand 15154 states and 22700 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 12:19:30,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:19:31,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:31,562 INFO L93 Difference]: Finished difference Result 37236 states and 55806 transitions. [2024-12-02 12:19:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:31,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) Word has length 1168 [2024-12-02 12:19:31,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:31,631 INFO L225 Difference]: With dead ends: 37236 [2024-12-02 12:19:31,631 INFO L226 Difference]: Without dead ends: 22240 [2024-12-02 12:19:31,666 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 12:19:31,666 INFO L435 NwaCegarLoop]: 6453 mSDtfsCounter, 5049 mSDsluCounter, 5023 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5049 SdHoareTripleChecker+Valid, 11476 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:31,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5049 Valid, 11476 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 12:19:31,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22240 states. [2024-12-02 12:19:32,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22240 to 22166. [2024-12-02 12:19:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22166 states, 17764 states have (on average 1.4541206935374915) internal successors, (25831), 17965 states have internal predecessors, (25831), 3698 states have call successors, (3698), 708 states have call predecessors, (3698), 703 states have return successors, (3708), 3592 states have call predecessors, (3708), 3690 states have call successors, (3708) [2024-12-02 12:19:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22166 states to 22166 states and 33237 transitions. [2024-12-02 12:19:32,446 INFO L78 Accepts]: Start accepts. Automaton has 22166 states and 33237 transitions. Word has length 1168 [2024-12-02 12:19:32,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:32,447 INFO L471 AbstractCegarLoop]: Abstraction has 22166 states and 33237 transitions. [2024-12-02 12:19:32,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 12:19:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 22166 states and 33237 transitions. [2024-12-02 12:19:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1167 [2024-12-02 12:19:32,457 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:32,457 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:32,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:19:32,458 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:32,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:32,458 INFO L85 PathProgramCache]: Analyzing trace with hash 991849751, now seen corresponding path program 1 times [2024-12-02 12:19:32,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:32,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805806932] [2024-12-02 12:19:32,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:32,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 25881 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 25872 trivial. 0 not checked. [2024-12-02 12:19:45,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:45,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805806932] [2024-12-02 12:19:45,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805806932] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:45,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:45,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:45,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670936104] [2024-12-02 12:19:45,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:45,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:45,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:45,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:45,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:45,903 INFO L87 Difference]: Start difference. First operand 22166 states and 33237 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 12:19:50,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:19:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:51,807 INFO L93 Difference]: Finished difference Result 56893 states and 85072 transitions. [2024-12-02 12:19:51,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:51,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 1166 [2024-12-02 12:19:51,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:51,924 INFO L225 Difference]: With dead ends: 56893 [2024-12-02 12:19:51,924 INFO L226 Difference]: Without dead ends: 34885 [2024-12-02 12:19:51,983 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 12:19:51,983 INFO L435 NwaCegarLoop]: 6047 mSDtfsCounter, 3557 mSDsluCounter, 5048 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3557 SdHoareTripleChecker+Valid, 11095 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:51,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3557 Valid, 11095 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 12:19:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34885 states. [2024-12-02 12:19:53,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34885 to 34756. [2024-12-02 12:19:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34756 states, 27849 states have (on average 1.4500700204675212) internal successors, (40383), 28122 states have internal predecessors, (40383), 5719 states have call successors, (5719), 1195 states have call predecessors, (5719), 1187 states have return successors, (5735), 5594 states have call predecessors, (5735), 5711 states have call successors, (5735) [2024-12-02 12:19:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34756 states to 34756 states and 51837 transitions. [2024-12-02 12:19:53,365 INFO L78 Accepts]: Start accepts. Automaton has 34756 states and 51837 transitions. Word has length 1166 [2024-12-02 12:19:53,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:53,366 INFO L471 AbstractCegarLoop]: Abstraction has 34756 states and 51837 transitions. [2024-12-02 12:19:53,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 12:19:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 34756 states and 51837 transitions. [2024-12-02 12:19:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2024-12-02 12:19:53,375 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:53,375 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:53,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:19:53,375 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1872032939, now seen corresponding path program 1 times [2024-12-02 12:19:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770965823] [2024-12-02 12:19:53,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:53,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:20:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:20:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 25881 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25881 trivial. 0 not checked. [2024-12-02 12:20:08,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:20:08,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770965823] [2024-12-02 12:20:08,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770965823] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:20:08,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:20:08,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:20:08,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177861885] [2024-12-02 12:20:08,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:20:08,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:20:08,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:20:08,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:20:08,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:20:08,217 INFO L87 Difference]: Start difference. First operand 34756 states and 51837 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (83), 3 states have call predecessors, (83), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 12:20:12,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:20:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:20:13,960 INFO L93 Difference]: Finished difference Result 69357 states and 103453 transitions. [2024-12-02 12:20:13,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:20:13,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (83), 3 states have call predecessors, (83), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 1174 [2024-12-02 12:20:13,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:20:14,086 INFO L225 Difference]: With dead ends: 69357 [2024-12-02 12:20:14,086 INFO L226 Difference]: Without dead ends: 34759 [2024-12-02 12:20:14,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 12:20:14,168 INFO L435 NwaCegarLoop]: 9185 mSDtfsCounter, 5015 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5015 SdHoareTripleChecker+Valid, 14431 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:20:14,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5015 Valid, 14431 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 12:20:14,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34759 states. [2024-12-02 12:20:15,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34759 to 34698. [2024-12-02 12:20:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34698 states, 27816 states have (on average 1.450172562553926) internal successors, (40338), 28086 states have internal predecessors, (40338), 5698 states have call successors, (5698), 1182 states have call predecessors, (5698), 1183 states have return successors, (5697), 5585 states have call predecessors, (5697), 5685 states have call successors, (5697) [2024-12-02 12:20:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34698 states to 34698 states and 51733 transitions. [2024-12-02 12:20:15,475 INFO L78 Accepts]: Start accepts. Automaton has 34698 states and 51733 transitions. Word has length 1174 [2024-12-02 12:20:15,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:20:15,475 INFO L471 AbstractCegarLoop]: Abstraction has 34698 states and 51733 transitions. [2024-12-02 12:20:15,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (83), 3 states have call predecessors, (83), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 12:20:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 34698 states and 51733 transitions. [2024-12-02 12:20:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2024-12-02 12:20:15,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:20:15,485 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:20:15,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:20:15,485 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:20:15,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:20:15,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1521233002, now seen corresponding path program 1 times [2024-12-02 12:20:15,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:20:15,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134817009] [2024-12-02 12:20:15,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:20:15,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:20:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:20:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25881 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25881 trivial. 0 not checked. [2024-12-02 12:20:29,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:20:29,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134817009] [2024-12-02 12:20:29,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134817009] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:20:29,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:20:29,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:20:29,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954568102] [2024-12-02 12:20:29,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:20:29,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:20:29,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:20:29,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:20:29,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:20:29,175 INFO L87 Difference]: Start difference. First operand 34698 states and 51733 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 3 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 12:20:30,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:20:30,358 INFO L93 Difference]: Finished difference Result 40732 states and 60553 transitions. [2024-12-02 12:20:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:20:30,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 3 states have call predecessors, (80), 2 states have call successors, (80) Word has length 1174 [2024-12-02 12:20:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:20:30,442 INFO L225 Difference]: With dead ends: 40732 [2024-12-02 12:20:30,442 INFO L226 Difference]: Without dead ends: 32955 [2024-12-02 12:20:30,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:20:30,462 INFO L435 NwaCegarLoop]: 5307 mSDtfsCounter, 0 mSDsluCounter, 21215 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26522 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:20:30,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26522 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:20:30,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32955 states. [2024-12-02 12:20:31,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32955 to 32935. [2024-12-02 12:20:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32935 states, 26386 states have (on average 1.44792693094823) internal successors, (38205), 26642 states have internal predecessors, (38205), 5399 states have call successors, (5399), 1148 states have call predecessors, (5399), 1149 states have return successors, (5399), 5294 states have call predecessors, (5399), 5387 states have call successors, (5399) [2024-12-02 12:20:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32935 states to 32935 states and 49003 transitions. [2024-12-02 12:20:31,565 INFO L78 Accepts]: Start accepts. Automaton has 32935 states and 49003 transitions. Word has length 1174 [2024-12-02 12:20:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:20:31,566 INFO L471 AbstractCegarLoop]: Abstraction has 32935 states and 49003 transitions. [2024-12-02 12:20:31,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 3 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 12:20:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32935 states and 49003 transitions. [2024-12-02 12:20:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1178 [2024-12-02 12:20:31,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:20:31,576 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:20:31,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:20:31,577 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:20:31,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:20:31,577 INFO L85 PathProgramCache]: Analyzing trace with hash -950724907, now seen corresponding path program 1 times [2024-12-02 12:20:31,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:20:31,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973771342] [2024-12-02 12:20:31,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:20:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:20:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:20:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 25886 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 25878 trivial. 0 not checked. [2024-12-02 12:20:45,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:20:45,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973771342] [2024-12-02 12:20:45,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973771342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:20:45,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:20:45,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:20:45,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254785194] [2024-12-02 12:20:45,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:20:45,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:20:45,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:20:45,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:20:45,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:20:45,085 INFO L87 Difference]: Start difference. First operand 32935 states and 49003 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2024-12-02 12:20:49,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:20:51,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:20:51,246 INFO L93 Difference]: Finished difference Result 77489 states and 115245 transitions. [2024-12-02 12:20:51,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:20:51,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 1177 [2024-12-02 12:20:51,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:20:51,399 INFO L225 Difference]: With dead ends: 77489 [2024-12-02 12:20:51,399 INFO L226 Difference]: Without dead ends: 44712 [2024-12-02 12:20:51,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:20:51,478 INFO L435 NwaCegarLoop]: 10347 mSDtfsCounter, 5059 mSDsluCounter, 15637 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5059 SdHoareTripleChecker+Valid, 25984 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:20:51,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5059 Valid, 25984 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:20:51,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44712 states. [2024-12-02 12:20:52,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44712 to 32947. [2024-12-02 12:20:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32947 states, 26398 states have (on average 1.4477233123721494) internal successors, (38217), 26654 states have internal predecessors, (38217), 5399 states have call successors, (5399), 1148 states have call predecessors, (5399), 1149 states have return successors, (5399), 5294 states have call predecessors, (5399), 5387 states have call successors, (5399) [2024-12-02 12:20:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32947 states to 32947 states and 49015 transitions. [2024-12-02 12:20:52,951 INFO L78 Accepts]: Start accepts. Automaton has 32947 states and 49015 transitions. Word has length 1177 [2024-12-02 12:20:52,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:20:52,951 INFO L471 AbstractCegarLoop]: Abstraction has 32947 states and 49015 transitions. [2024-12-02 12:20:52,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2024-12-02 12:20:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32947 states and 49015 transitions. [2024-12-02 12:20:52,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1197 [2024-12-02 12:20:52,961 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:20:52,961 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:20:52,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 12:20:52,961 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:20:52,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:20:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash -70855145, now seen corresponding path program 1 times [2024-12-02 12:20:52,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:20:52,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760230063] [2024-12-02 12:20:52,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:20:52,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:21:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:21:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 25884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25884 trivial. 0 not checked. [2024-12-02 12:21:05,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:21:05,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760230063] [2024-12-02 12:21:05,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760230063] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:21:05,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:21:05,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:21:05,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114155913] [2024-12-02 12:21:05,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:21:05,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:21:05,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:21:05,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:21:05,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:21:05,287 INFO L87 Difference]: Start difference. First operand 32947 states and 49015 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (85), 3 states have call predecessors, (85), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 12:21:09,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:21:10,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:21:10,675 INFO L93 Difference]: Finished difference Result 32949 states and 49016 transitions. [2024-12-02 12:21:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:21:10,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (85), 3 states have call predecessors, (85), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) Word has length 1196 [2024-12-02 12:21:10,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:21:10,798 INFO L225 Difference]: With dead ends: 32949 [2024-12-02 12:21:10,798 INFO L226 Difference]: Without dead ends: 32946 [2024-12-02 12:21:10,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 12:21:10,817 INFO L435 NwaCegarLoop]: 5345 mSDtfsCounter, 185 mSDsluCounter, 5144 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 10489 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:21:10,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 10489 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 12:21:10,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32946 states. [2024-12-02 12:21:12,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32946 to 32946. [2024-12-02 12:21:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32946 states, 26398 states have (on average 1.4471929691643306) internal successors, (38203), 26653 states have internal predecessors, (38203), 5398 states have call successors, (5398), 1148 states have call predecessors, (5398), 1149 states have return successors, (5399), 5294 states have call predecessors, (5399), 5387 states have call successors, (5399) [2024-12-02 12:21:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32946 states to 32946 states and 49000 transitions. [2024-12-02 12:21:12,161 INFO L78 Accepts]: Start accepts. Automaton has 32946 states and 49000 transitions. Word has length 1196 [2024-12-02 12:21:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:21:12,162 INFO L471 AbstractCegarLoop]: Abstraction has 32946 states and 49000 transitions. [2024-12-02 12:21:12,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (85), 3 states have call predecessors, (85), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 12:21:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 32946 states and 49000 transitions. [2024-12-02 12:21:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1264 [2024-12-02 12:21:12,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:21:12,178 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:21:12,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 12:21:12,179 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:21:12,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:21:12,180 INFO L85 PathProgramCache]: Analyzing trace with hash -685001759, now seen corresponding path program 1 times [2024-12-02 12:21:12,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:21:12,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194619846] [2024-12-02 12:21:12,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:21:12,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:21:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:21:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 25915 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25884 trivial. 0 not checked. [2024-12-02 12:21:24,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:21:24,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194619846] [2024-12-02 12:21:24,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194619846] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:21:24,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:21:24,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:21:24,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608567613] [2024-12-02 12:21:24,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:21:24,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:21:24,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:21:24,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:21:24,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:21:24,568 INFO L87 Difference]: Start difference. First operand 32946 states and 49000 transitions. Second operand has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 2 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2024-12-02 12:21:28,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:21:30,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:21:30,723 INFO L93 Difference]: Finished difference Result 78347 states and 116250 transitions. [2024-12-02 12:21:30,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:21:30,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 2 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 1263 [2024-12-02 12:21:30,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:21:30,865 INFO L225 Difference]: With dead ends: 78347 [2024-12-02 12:21:30,865 INFO L226 Difference]: Without dead ends: 45559 [2024-12-02 12:21:30,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:21:30,934 INFO L435 NwaCegarLoop]: 8888 mSDtfsCounter, 3589 mSDsluCounter, 14176 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3589 SdHoareTripleChecker+Valid, 23064 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:21:30,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3589 Valid, 23064 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:21:30,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45559 states. [2024-12-02 12:21:32,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45559 to 32958. [2024-12-02 12:21:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32958 states, 26410 states have (on average 1.4469897765997728) internal successors, (38215), 26665 states have internal predecessors, (38215), 5398 states have call successors, (5398), 1148 states have call predecessors, (5398), 1149 states have return successors, (5399), 5294 states have call predecessors, (5399), 5387 states have call successors, (5399) [2024-12-02 12:21:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32958 states to 32958 states and 49012 transitions. [2024-12-02 12:21:32,456 INFO L78 Accepts]: Start accepts. Automaton has 32958 states and 49012 transitions. Word has length 1263 [2024-12-02 12:21:32,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:21:32,457 INFO L471 AbstractCegarLoop]: Abstraction has 32958 states and 49012 transitions. [2024-12-02 12:21:32,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 2 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2024-12-02 12:21:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 32958 states and 49012 transitions. [2024-12-02 12:21:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1355 [2024-12-02 12:21:32,480 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:21:32,481 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:21:32,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 12:21:32,481 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:21:32,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:21:32,481 INFO L85 PathProgramCache]: Analyzing trace with hash 616897860, now seen corresponding path program 1 times [2024-12-02 12:21:32,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:21:32,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093897574] [2024-12-02 12:21:32,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:21:32,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:21:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:21:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 25964 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25946 trivial. 0 not checked. [2024-12-02 12:21:46,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:21:46,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093897574] [2024-12-02 12:21:46,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093897574] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:21:46,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739883234] [2024-12-02 12:21:46,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:21:46,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:21:46,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:21:46,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:21:46,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:22:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:02,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 12917 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:22:02,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 25964 backedges. 2454 proven. 0 refuted. 0 times theorem prover too weak. 23510 trivial. 0 not checked. [2024-12-02 12:22:08,639 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:08,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739883234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:08,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:22:08,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-12-02 12:22:08,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383653343] [2024-12-02 12:22:08,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:08,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:22:08,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:22:08,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:22:08,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:22:08,641 INFO L87 Difference]: Start difference. First operand 32958 states and 49012 transitions. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 3 states have call successors, (107), 3 states have call predecessors, (107), 2 states have return successors, (105), 2 states have call predecessors, (105), 2 states have call successors, (105) [2024-12-02 12:22:12,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:22:18,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:18,007 INFO L93 Difference]: Finished difference Result 95342 states and 143903 transitions. [2024-12-02 12:22:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:22:18,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 3 states have call successors, (107), 3 states have call predecessors, (107), 2 states have return successors, (105), 2 states have call predecessors, (105), 2 states have call successors, (105) Word has length 1354 [2024-12-02 12:22:18,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:18,252 INFO L225 Difference]: With dead ends: 95342 [2024-12-02 12:22:18,252 INFO L226 Difference]: Without dead ends: 62542 [2024-12-02 12:22:18,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1359 GetRequests, 1355 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:22:18,379 INFO L435 NwaCegarLoop]: 5864 mSDtfsCounter, 4357 mSDsluCounter, 10990 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 143 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4357 SdHoareTripleChecker+Valid, 16854 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:18,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4357 Valid, 16854 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 242 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-12-02 12:22:18,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62542 states. [2024-12-02 12:22:20,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62542 to 62040. [2024-12-02 12:22:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62040 states, 50476 states have (on average 1.4452214914018544) internal successors, (72949), 50987 states have internal predecessors, (72949), 9273 states have call successors, (9273), 2283 states have call predecessors, (9273), 2290 states have return successors, (10072), 9068 states have call predecessors, (10072), 9262 states have call successors, (10072) [2024-12-02 12:22:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62040 states to 62040 states and 92294 transitions. [2024-12-02 12:22:20,842 INFO L78 Accepts]: Start accepts. Automaton has 62040 states and 92294 transitions. Word has length 1354 [2024-12-02 12:22:20,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:20,843 INFO L471 AbstractCegarLoop]: Abstraction has 62040 states and 92294 transitions. [2024-12-02 12:22:20,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 3 states have call successors, (107), 3 states have call predecessors, (107), 2 states have return successors, (105), 2 states have call predecessors, (105), 2 states have call successors, (105) [2024-12-02 12:22:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 62040 states and 92294 transitions. [2024-12-02 12:22:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1355 [2024-12-02 12:22:20,878 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:20,878 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:20,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:22:21,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:22:21,079 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:21,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:21,079 INFO L85 PathProgramCache]: Analyzing trace with hash 875063298, now seen corresponding path program 1 times [2024-12-02 12:22:21,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:22:21,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344068273] [2024-12-02 12:22:21,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:21,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:22:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 25964 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25933 trivial. 0 not checked. [2024-12-02 12:22:34,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:22:34,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344068273] [2024-12-02 12:22:34,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344068273] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:34,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:34,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:22:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481456576] [2024-12-02 12:22:34,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:34,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:22:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:22:34,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:22:34,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:22:34,931 INFO L87 Difference]: Start difference. First operand 62040 states and 92294 transitions. Second operand has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:22:37,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:37,121 INFO L93 Difference]: Finished difference Result 123946 states and 184401 transitions. [2024-12-02 12:22:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:22:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 1354 [2024-12-02 12:22:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:37,355 INFO L225 Difference]: With dead ends: 123946 [2024-12-02 12:22:37,355 INFO L226 Difference]: Without dead ends: 62040 [2024-12-02 12:22:37,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:22:37,502 INFO L435 NwaCegarLoop]: 5300 mSDtfsCounter, 0 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10588 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:37,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10588 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:22:37,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62040 states. [2024-12-02 12:22:39,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62040 to 62040. [2024-12-02 12:22:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62040 states, 50476 states have (on average 1.4449837546556779) internal successors, (72937), 50987 states have internal predecessors, (72937), 9273 states have call successors, (9273), 2283 states have call predecessors, (9273), 2290 states have return successors, (10072), 9068 states have call predecessors, (10072), 9262 states have call successors, (10072) [2024-12-02 12:22:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62040 states to 62040 states and 92282 transitions. [2024-12-02 12:22:40,022 INFO L78 Accepts]: Start accepts. Automaton has 62040 states and 92282 transitions. Word has length 1354 [2024-12-02 12:22:40,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:40,022 INFO L471 AbstractCegarLoop]: Abstraction has 62040 states and 92282 transitions. [2024-12-02 12:22:40,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:22:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 62040 states and 92282 transitions. [2024-12-02 12:22:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1356 [2024-12-02 12:22:40,049 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:40,050 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:40,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 12:22:40,050 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:40,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:40,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1204270358, now seen corresponding path program 1 times [2024-12-02 12:22:40,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:22:40,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995240062] [2024-12-02 12:22:40,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:40,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:22:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 25964 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25933 trivial. 0 not checked. [2024-12-02 12:22:53,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:22:53,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995240062] [2024-12-02 12:22:53,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995240062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:53,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:53,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:22:53,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917790045] [2024-12-02 12:22:53,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:53,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:22:53,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:22:53,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:22:53,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:22:53,925 INFO L87 Difference]: Start difference. First operand 62040 states and 92282 transitions. Second operand has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:22:56,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:56,539 INFO L93 Difference]: Finished difference Result 123946 states and 184377 transitions. [2024-12-02 12:22:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:22:56,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 1355 [2024-12-02 12:22:56,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:56,767 INFO L225 Difference]: With dead ends: 123946 [2024-12-02 12:22:56,768 INFO L226 Difference]: Without dead ends: 62040 [2024-12-02 12:22:56,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:22:56,902 INFO L435 NwaCegarLoop]: 5295 mSDtfsCounter, 12 mSDsluCounter, 15860 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21155 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:56,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21155 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:22:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62040 states. [2024-12-02 12:22:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62040 to 62040. [2024-12-02 12:22:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62040 states, 50476 states have (on average 1.4447460179095015) internal successors, (72925), 50987 states have internal predecessors, (72925), 9273 states have call successors, (9273), 2283 states have call predecessors, (9273), 2290 states have return successors, (10072), 9068 states have call predecessors, (10072), 9262 states have call successors, (10072) [2024-12-02 12:22:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62040 states to 62040 states and 92270 transitions. [2024-12-02 12:22:59,521 INFO L78 Accepts]: Start accepts. Automaton has 62040 states and 92270 transitions. Word has length 1355 [2024-12-02 12:22:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:59,522 INFO L471 AbstractCegarLoop]: Abstraction has 62040 states and 92270 transitions. [2024-12-02 12:22:59,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:22:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62040 states and 92270 transitions. [2024-12-02 12:22:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1357 [2024-12-02 12:22:59,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:59,552 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:59,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 12:22:59,553 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:59,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1216583559, now seen corresponding path program 1 times [2024-12-02 12:22:59,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:22:59,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122556815] [2024-12-02 12:22:59,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:59,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:23:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 25964 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25933 trivial. 0 not checked. [2024-12-02 12:23:13,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:23:13,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122556815] [2024-12-02 12:23:13,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122556815] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:23:13,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:23:13,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:23:13,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669458493] [2024-12-02 12:23:13,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:23:13,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:23:13,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:23:13,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:23:13,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:23:13,065 INFO L87 Difference]: Start difference. First operand 62040 states and 92270 transitions. Second operand has 5 states, 5 states have (on average 54.8) internal successors, (274), 5 states have internal predecessors, (274), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:23:16,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:16,176 INFO L93 Difference]: Finished difference Result 123946 states and 184353 transitions. [2024-12-02 12:23:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:23:16,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 5 states have internal predecessors, (274), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 1356 [2024-12-02 12:23:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:16,413 INFO L225 Difference]: With dead ends: 123946 [2024-12-02 12:23:16,413 INFO L226 Difference]: Without dead ends: 62040 [2024-12-02 12:23:16,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:23:16,556 INFO L435 NwaCegarLoop]: 5294 mSDtfsCounter, 10 mSDsluCounter, 10569 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 15863 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:16,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 15863 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:23:16,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62040 states. [2024-12-02 12:23:18,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62040 to 62040. [2024-12-02 12:23:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62040 states, 50476 states have (on average 1.4445082811633252) internal successors, (72913), 50987 states have internal predecessors, (72913), 9273 states have call successors, (9273), 2283 states have call predecessors, (9273), 2290 states have return successors, (10072), 9068 states have call predecessors, (10072), 9262 states have call successors, (10072) [2024-12-02 12:23:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62040 states to 62040 states and 92258 transitions. [2024-12-02 12:23:19,167 INFO L78 Accepts]: Start accepts. Automaton has 62040 states and 92258 transitions. Word has length 1356 [2024-12-02 12:23:19,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:19,167 INFO L471 AbstractCegarLoop]: Abstraction has 62040 states and 92258 transitions. [2024-12-02 12:23:19,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 5 states have internal predecessors, (274), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:23:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 62040 states and 92258 transitions. [2024-12-02 12:23:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1358 [2024-12-02 12:23:19,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:19,196 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:19,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 12:23:19,196 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:19,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:19,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1409331471, now seen corresponding path program 1 times [2024-12-02 12:23:19,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:23:19,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211805125] [2024-12-02 12:23:19,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:19,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:23:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 25964 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25933 trivial. 0 not checked. [2024-12-02 12:23:33,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:23:33,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211805125] [2024-12-02 12:23:33,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211805125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:23:33,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:23:33,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:23:33,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50875329] [2024-12-02 12:23:33,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:23:33,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:23:33,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:23:33,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:23:33,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:23:33,651 INFO L87 Difference]: Start difference. First operand 62040 states and 92258 transitions. Second operand has 5 states, 5 states have (on average 55.0) internal successors, (275), 5 states have internal predecessors, (275), 3 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2024-12-02 12:23:37,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:23:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:41,891 INFO L93 Difference]: Finished difference Result 148204 states and 219843 transitions. [2024-12-02 12:23:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:23:41,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.0) internal successors, (275), 5 states have internal predecessors, (275), 3 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) Word has length 1357 [2024-12-02 12:23:41,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:42,348 INFO L225 Difference]: With dead ends: 148204 [2024-12-02 12:23:42,348 INFO L226 Difference]: Without dead ends: 86322 [2024-12-02 12:23:42,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:23:42,459 INFO L435 NwaCegarLoop]: 8875 mSDtfsCounter, 3599 mSDsluCounter, 23021 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 31896 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:42,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3600 Valid, 31896 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 12:23:42,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86322 states. [2024-12-02 12:23:44,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86322 to 62160. [2024-12-02 12:23:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62160 states, 50536 states have (on average 1.444217983219883) internal successors, (72985), 51047 states have internal predecessors, (72985), 9333 states have call successors, (9333), 2283 states have call predecessors, (9333), 2290 states have return successors, (10132), 9128 states have call predecessors, (10132), 9322 states have call successors, (10132) [2024-12-02 12:23:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62160 states to 62160 states and 92450 transitions. [2024-12-02 12:23:45,214 INFO L78 Accepts]: Start accepts. Automaton has 62160 states and 92450 transitions. Word has length 1357 [2024-12-02 12:23:45,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:45,215 INFO L471 AbstractCegarLoop]: Abstraction has 62160 states and 92450 transitions. [2024-12-02 12:23:45,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.0) internal successors, (275), 5 states have internal predecessors, (275), 3 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2024-12-02 12:23:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 62160 states and 92450 transitions. [2024-12-02 12:23:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1368 [2024-12-02 12:23:45,251 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:45,251 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:45,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 12:23:45,251 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:45,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2043565069, now seen corresponding path program 1 times [2024-12-02 12:23:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:23:45,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748252606] [2024-12-02 12:23:45,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:45,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:23:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 25942 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25911 trivial. 0 not checked. [2024-12-02 12:23:58,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:23:58,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748252606] [2024-12-02 12:23:58,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748252606] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:23:58,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:23:58,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:23:58,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143727628] [2024-12-02 12:23:58,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:23:58,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:23:58,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:23:58,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:23:58,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:23:58,699 INFO L87 Difference]: Start difference. First operand 62160 states and 92450 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 2 states have call successors, (103), 2 states have call predecessors, (103), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2024-12-02 12:24:00,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:24:00,961 INFO L93 Difference]: Finished difference Result 124186 states and 184713 transitions. [2024-12-02 12:24:00,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:24:00,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 2 states have call successors, (103), 2 states have call predecessors, (103), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) Word has length 1367 [2024-12-02 12:24:00,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:24:01,204 INFO L225 Difference]: With dead ends: 124186 [2024-12-02 12:24:01,204 INFO L226 Difference]: Without dead ends: 62184 [2024-12-02 12:24:01,344 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 12:24:01,344 INFO L435 NwaCegarLoop]: 5297 mSDtfsCounter, 1 mSDsluCounter, 5293 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10590 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:24:01,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10590 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:24:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62184 states. [2024-12-02 12:24:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62184 to 62172. [2024-12-02 12:24:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62172 states, 50548 states have (on average 1.444112526707288) internal successors, (72997), 51059 states have internal predecessors, (72997), 9333 states have call successors, (9333), 2283 states have call predecessors, (9333), 2290 states have return successors, (10132), 9128 states have call predecessors, (10132), 9322 states have call successors, (10132) [2024-12-02 12:24:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62172 states to 62172 states and 92462 transitions. [2024-12-02 12:24:04,186 INFO L78 Accepts]: Start accepts. Automaton has 62172 states and 92462 transitions. Word has length 1367 [2024-12-02 12:24:04,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:24:04,187 INFO L471 AbstractCegarLoop]: Abstraction has 62172 states and 92462 transitions. [2024-12-02 12:24:04,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 2 states have call successors, (103), 2 states have call predecessors, (103), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2024-12-02 12:24:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 62172 states and 92462 transitions. [2024-12-02 12:24:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1370 [2024-12-02 12:24:04,223 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:24:04,223 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:04,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 12:24:04,223 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:24:04,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:24:04,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1870663529, now seen corresponding path program 1 times [2024-12-02 12:24:04,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:24:04,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257411869] [2024-12-02 12:24:04,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:24:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:24:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:24:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 25943 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 25911 trivial. 0 not checked. [2024-12-02 12:24:17,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:24:17,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257411869] [2024-12-02 12:24:17,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257411869] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:24:17,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674515091] [2024-12-02 12:24:17,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:24:17,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:24:17,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:24:17,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:24:17,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:24:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:24:34,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 13268 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:24:34,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:24:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 25943 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 25898 trivial. 0 not checked. [2024-12-02 12:24:34,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:24:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 25943 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 25911 trivial. 0 not checked. [2024-12-02 12:24:50,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674515091] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:24:50,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:24:50,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 12:24:50,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693080126] [2024-12-02 12:24:50,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:24:50,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:24:50,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:24:50,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:24:50,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:24:50,013 INFO L87 Difference]: Start difference. First operand 62172 states and 92462 transitions. Second operand has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 7 states have internal predecessors, (366), 2 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 12:24:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:24:52,433 INFO L93 Difference]: Finished difference Result 124258 states and 184809 transitions. [2024-12-02 12:24:52,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:24:52,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 7 states have internal predecessors, (366), 2 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 1369 [2024-12-02 12:24:52,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:24:52,642 INFO L225 Difference]: With dead ends: 124258 [2024-12-02 12:24:52,642 INFO L226 Difference]: Without dead ends: 62244 [2024-12-02 12:24:52,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2740 GetRequests, 2735 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:24:52,749 INFO L435 NwaCegarLoop]: 5297 mSDtfsCounter, 2 mSDsluCounter, 5293 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10590 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:24:52,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10590 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:24:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62244 states. [2024-12-02 12:24:54,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62244 to 62244. [2024-12-02 12:24:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62244 states, 50620 states have (on average 1.4434808376135915) internal successors, (73069), 51131 states have internal predecessors, (73069), 9333 states have call successors, (9333), 2283 states have call predecessors, (9333), 2290 states have return successors, (10132), 9128 states have call predecessors, (10132), 9322 states have call successors, (10132) [2024-12-02 12:24:55,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62244 states to 62244 states and 92534 transitions. [2024-12-02 12:24:55,272 INFO L78 Accepts]: Start accepts. Automaton has 62244 states and 92534 transitions. Word has length 1369 [2024-12-02 12:24:55,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:24:55,273 INFO L471 AbstractCegarLoop]: Abstraction has 62244 states and 92534 transitions. [2024-12-02 12:24:55,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 7 states have internal predecessors, (366), 2 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 12:24:55,273 INFO L276 IsEmpty]: Start isEmpty. Operand 62244 states and 92534 transitions. [2024-12-02 12:24:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1383 [2024-12-02 12:24:55,313 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:24:55,313 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:55,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 12:24:55,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-02 12:24:55,514 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:24:55,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:24:55,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1704869495, now seen corresponding path program 1 times [2024-12-02 12:24:55,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:24:55,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712745818] [2024-12-02 12:24:55,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:24:55,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:25:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:25:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 25961 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 25943 trivial. 0 not checked. [2024-12-02 12:25:08,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:25:08,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712745818] [2024-12-02 12:25:08,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712745818] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:25:08,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:25:08,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:25:08,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348011766] [2024-12-02 12:25:08,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:25:08,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:25:08,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:25:08,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:25:08,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:25:08,092 INFO L87 Difference]: Start difference. First operand 62244 states and 92534 transitions. Second operand has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (102), 3 states have call predecessors, (102), 3 states have call successors, (102) [2024-12-02 12:25:12,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:25:18,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:25:18,379 INFO L93 Difference]: Finished difference Result 124258 states and 184735 transitions. [2024-12-02 12:25:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:25:18,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (102), 3 states have call predecessors, (102), 3 states have call successors, (102) Word has length 1382 [2024-12-02 12:25:18,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:25:18,630 INFO L225 Difference]: With dead ends: 124258 [2024-12-02 12:25:18,631 INFO L226 Difference]: Without dead ends: 62172 [2024-12-02 12:25:18,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:25:18,764 INFO L435 NwaCegarLoop]: 5669 mSDtfsCounter, 11916 mSDsluCounter, 5053 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1827 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11933 SdHoareTripleChecker+Valid, 10722 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1827 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:25:18,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11933 Valid, 10722 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1827 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2024-12-02 12:25:18,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62172 states. [2024-12-02 12:25:21,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62172 to 61693. [2024-12-02 12:25:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61693 states, 50271 states have (on average 1.4444908595412862) internal successors, (72616), 50716 states have internal predecessors, (72616), 9160 states have call successors, (9160), 2254 states have call predecessors, (9160), 2261 states have return successors, (9959), 8979 states have call predecessors, (9959), 9149 states have call successors, (9959) [2024-12-02 12:25:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61693 states to 61693 states and 91735 transitions. [2024-12-02 12:25:21,384 INFO L78 Accepts]: Start accepts. Automaton has 61693 states and 91735 transitions. Word has length 1382 [2024-12-02 12:25:21,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:25:21,385 INFO L471 AbstractCegarLoop]: Abstraction has 61693 states and 91735 transitions. [2024-12-02 12:25:21,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (102), 3 states have call predecessors, (102), 3 states have call successors, (102) [2024-12-02 12:25:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 61693 states and 91735 transitions. [2024-12-02 12:25:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1376 [2024-12-02 12:25:21,405 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:25:21,405 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:21,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:25:21,405 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:25:21,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:25:21,406 INFO L85 PathProgramCache]: Analyzing trace with hash 571725693, now seen corresponding path program 2 times [2024-12-02 12:25:21,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:25:21,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683312247] [2024-12-02 12:25:21,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:25:21,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:25:32,137 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:25:32,138 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:25:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 25958 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25958 trivial. 0 not checked. [2024-12-02 12:25:33,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:25:33,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683312247] [2024-12-02 12:25:33,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683312247] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:25:33,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:25:33,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:25:33,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956637518] [2024-12-02 12:25:33,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:25:33,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:25:33,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:25:33,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:25:33,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:25:33,061 INFO L87 Difference]: Start difference. First operand 61693 states and 91735 transitions. Second operand has 6 states, 6 states have (on average 47.5) internal successors, (285), 5 states have internal predecessors, (285), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (101), 2 states have call predecessors, (101), 1 states have call successors, (101) [2024-12-02 12:25:35,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:25:35,130 INFO L93 Difference]: Finished difference Result 66372 states and 98556 transitions. [2024-12-02 12:25:35,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:25:35,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 47.5) internal successors, (285), 5 states have internal predecessors, (285), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (101), 2 states have call predecessors, (101), 1 states have call successors, (101) Word has length 1375 [2024-12-02 12:25:35,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:25:35,367 INFO L225 Difference]: With dead ends: 66372 [2024-12-02 12:25:35,367 INFO L226 Difference]: Without dead ends: 57064 [2024-12-02 12:25:35,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:25:35,417 INFO L435 NwaCegarLoop]: 5299 mSDtfsCounter, 0 mSDsluCounter, 21181 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26480 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:25:35,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26480 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:25:35,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57064 states. [2024-12-02 12:25:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57064 to 57064. [2024-12-02 12:25:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57064 states, 46357 states have (on average 1.4385098259162585) internal successors, (66685), 46687 states have internal predecessors, (66685), 8496 states have call successors, (8496), 2203 states have call predecessors, (8496), 2210 states have return successors, (9186), 8423 states have call predecessors, (9186), 8487 states have call successors, (9186) [2024-12-02 12:25:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57064 states to 57064 states and 84367 transitions. [2024-12-02 12:25:37,815 INFO L78 Accepts]: Start accepts. Automaton has 57064 states and 84367 transitions. Word has length 1375 [2024-12-02 12:25:37,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:25:37,816 INFO L471 AbstractCegarLoop]: Abstraction has 57064 states and 84367 transitions. [2024-12-02 12:25:37,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.5) internal successors, (285), 5 states have internal predecessors, (285), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (101), 2 states have call predecessors, (101), 1 states have call successors, (101) [2024-12-02 12:25:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 57064 states and 84367 transitions. [2024-12-02 12:25:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1380 [2024-12-02 12:25:37,837 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:25:37,838 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:37,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 12:25:37,838 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:25:37,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:25:37,839 INFO L85 PathProgramCache]: Analyzing trace with hash 517840215, now seen corresponding path program 1 times [2024-12-02 12:25:37,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:25:37,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579038823] [2024-12-02 12:25:37,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:25:37,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:25:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:25:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 25958 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 25930 trivial. 0 not checked. [2024-12-02 12:25:51,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:25:51,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579038823] [2024-12-02 12:25:51,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579038823] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:25:51,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:25:51,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:25:51,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125420249] [2024-12-02 12:25:51,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:25:51,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:25:51,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:25:51,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:25:51,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:25:51,427 INFO L87 Difference]: Start difference. First operand 57064 states and 84367 transitions. Second operand has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 5 states have internal predecessors, (304), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 3 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:25:54,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:25:54,088 INFO L93 Difference]: Finished difference Result 114048 states and 168610 transitions. [2024-12-02 12:25:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:25:54,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 5 states have internal predecessors, (304), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 3 states have call predecessors, (103), 2 states have call successors, (103) Word has length 1379 [2024-12-02 12:25:54,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:25:54,358 INFO L225 Difference]: With dead ends: 114048 [2024-12-02 12:25:54,358 INFO L226 Difference]: Without dead ends: 57142 [2024-12-02 12:25:54,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:25:54,498 INFO L435 NwaCegarLoop]: 5291 mSDtfsCounter, 6 mSDsluCounter, 21124 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 26415 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:25:54,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 26415 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:25:54,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57142 states. [2024-12-02 12:25:56,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57142 to 57124. [2024-12-02 12:25:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57124 states, 46405 states have (on average 1.4380562439392306) internal successors, (66733), 46735 states have internal predecessors, (66733), 8496 states have call successors, (8496), 2203 states have call predecessors, (8496), 2222 states have return successors, (9204), 8435 states have call predecessors, (9204), 8487 states have call successors, (9204) [2024-12-02 12:25:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57124 states to 57124 states and 84433 transitions. [2024-12-02 12:25:57,275 INFO L78 Accepts]: Start accepts. Automaton has 57124 states and 84433 transitions. Word has length 1379 [2024-12-02 12:25:57,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:25:57,275 INFO L471 AbstractCegarLoop]: Abstraction has 57124 states and 84433 transitions. [2024-12-02 12:25:57,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 5 states have internal predecessors, (304), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (103), 3 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:25:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 57124 states and 84433 transitions. [2024-12-02 12:25:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1385 [2024-12-02 12:25:57,297 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:25:57,297 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:57,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 12:25:57,297 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:25:57,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:25:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1036870454, now seen corresponding path program 1 times [2024-12-02 12:25:57,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:25:57,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956253739] [2024-12-02 12:25:57,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:25:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:26:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:26:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 25958 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 25921 trivial. 0 not checked. [2024-12-02 12:26:11,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:26:11,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956253739] [2024-12-02 12:26:11,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956253739] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:26:11,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957663969] [2024-12-02 12:26:11,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:11,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:26:11,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:26:11,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:26:11,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:26:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:26:28,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 13477 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:26:28,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:26:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 25958 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25955 trivial. 0 not checked. [2024-12-02 12:26:29,490 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:26:29,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957663969] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:26:29,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:26:29,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-12-02 12:26:29,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989604399] [2024-12-02 12:26:29,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:26:29,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:26:29,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:26:29,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:26:29,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:26:29,493 INFO L87 Difference]: Start difference. First operand 57124 states and 84433 transitions. Second operand has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 5 states have internal predecessors, (293), 2 states have call successors, (105), 2 states have call predecessors, (105), 3 states have return successors, (103), 3 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:26:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:26:31,604 INFO L93 Difference]: Finished difference Result 61726 states and 91167 transitions. [2024-12-02 12:26:31,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:26:31,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 5 states have internal predecessors, (293), 2 states have call successors, (105), 2 states have call predecessors, (105), 3 states have return successors, (103), 3 states have call predecessors, (103), 2 states have call successors, (103) Word has length 1384 [2024-12-02 12:26:31,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:26:31,796 INFO L225 Difference]: With dead ends: 61726 [2024-12-02 12:26:31,796 INFO L226 Difference]: Without dead ends: 54782 [2024-12-02 12:26:31,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1390 GetRequests, 1383 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:26:31,826 INFO L435 NwaCegarLoop]: 5297 mSDtfsCounter, 0 mSDsluCounter, 21173 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:26:31,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:26:31,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54782 states. [2024-12-02 12:26:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54782 to 54754. [2024-12-02 12:26:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54754 states, 44469 states have (on average 1.43652881782815) internal successors, (63881), 44783 states have internal predecessors, (63881), 8130 states have call successors, (8130), 2134 states have call predecessors, (8130), 2154 states have return successors, (8819), 8080 states have call predecessors, (8819), 8123 states have call successors, (8819) [2024-12-02 12:26:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54754 states to 54754 states and 80830 transitions. [2024-12-02 12:26:34,476 INFO L78 Accepts]: Start accepts. Automaton has 54754 states and 80830 transitions. Word has length 1384 [2024-12-02 12:26:34,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:26:34,477 INFO L471 AbstractCegarLoop]: Abstraction has 54754 states and 80830 transitions. [2024-12-02 12:26:34,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 5 states have internal predecessors, (293), 2 states have call successors, (105), 2 states have call predecessors, (105), 3 states have return successors, (103), 3 states have call predecessors, (103), 2 states have call successors, (103) [2024-12-02 12:26:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 54754 states and 80830 transitions. [2024-12-02 12:26:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1395 [2024-12-02 12:26:34,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:26:34,500 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:34,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 12:26:34,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182348a9-4761-486c-a8a2-662904e60bfd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:26:34,700 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:26:34,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:26:34,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1023379909, now seen corresponding path program 1 times [2024-12-02 12:26:34,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:26:34,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098382011] [2024-12-02 12:26:34,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:34,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:26:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:26:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 26005 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 25958 trivial. 0 not checked. [2024-12-02 12:26:49,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:26:49,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098382011] [2024-12-02 12:26:49,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098382011] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:26:49,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:26:49,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:26:49,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307521777] [2024-12-02 12:26:49,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:26:49,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:26:49,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:26:49,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:26:49,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:26:49,418 INFO L87 Difference]: Start difference. First operand 54754 states and 80830 transitions. Second operand has 6 states, 6 states have (on average 50.333333333333336) internal successors, (302), 5 states have internal predecessors, (302), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (102), 3 states have call predecessors, (102), 2 states have call successors, (102) [2024-12-02 12:26:52,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:26:52,418 INFO L93 Difference]: Finished difference Result 76737 states and 112934 transitions. [2024-12-02 12:26:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:26:52,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 50.333333333333336) internal successors, (302), 5 states have internal predecessors, (302), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (102), 3 states have call predecessors, (102), 2 states have call successors, (102) Word has length 1394 [2024-12-02 12:26:52,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:26:52,646 INFO L225 Difference]: With dead ends: 76737 [2024-12-02 12:26:52,646 INFO L226 Difference]: Without dead ends: 54748 [2024-12-02 12:26:52,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:26:52,705 INFO L435 NwaCegarLoop]: 5290 mSDtfsCounter, 0 mSDsluCounter, 21153 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26443 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:26:52,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26443 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:26:52,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54748 states. [2024-12-02 12:26:54,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54748 to 54748. [2024-12-02 12:26:54,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54748 states, 44463 states have (on average 1.4364527809639476) internal successors, (63869), 44777 states have internal predecessors, (63869), 8130 states have call successors, (8130), 2134 states have call predecessors, (8130), 2154 states have return successors, (8819), 8080 states have call predecessors, (8819), 8123 states have call successors, (8819) [2024-12-02 12:26:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54748 states to 54748 states and 80818 transitions. [2024-12-02 12:26:54,982 INFO L78 Accepts]: Start accepts. Automaton has 54748 states and 80818 transitions. Word has length 1394 [2024-12-02 12:26:54,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:26:54,983 INFO L471 AbstractCegarLoop]: Abstraction has 54748 states and 80818 transitions. [2024-12-02 12:26:54,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.333333333333336) internal successors, (302), 5 states have internal predecessors, (302), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (102), 3 states have call predecessors, (102), 2 states have call successors, (102) [2024-12-02 12:26:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 54748 states and 80818 transitions. [2024-12-02 12:26:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1401 [2024-12-02 12:26:55,008 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:26:55,008 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:55,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 12:26:55,009 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:26:55,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:26:55,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1988019958, now seen corresponding path program 1 times [2024-12-02 12:26:55,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:26:55,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878634605] [2024-12-02 12:26:55,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:55,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:27:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:27:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 26008 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 25961 trivial. 0 not checked. [2024-12-02 12:27:08,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:27:08,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878634605] [2024-12-02 12:27:08,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878634605] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:27:08,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:27:08,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:27:08,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272096376] [2024-12-02 12:27:08,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:27:08,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:27:08,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:27:08,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:27:08,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:27:08,576 INFO L87 Difference]: Start difference. First operand 54748 states and 80818 transitions. Second operand has 6 states, 6 states have (on average 50.833333333333336) internal successors, (305), 5 states have internal predecessors, (305), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (102), 3 states have call predecessors, (102), 2 states have call successors, (102) [2024-12-02 12:27:10,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:27:10,406 INFO L93 Difference]: Finished difference Result 64374 states and 94900 transitions. [2024-12-02 12:27:10,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:27:10,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 50.833333333333336) internal successors, (305), 5 states have internal predecessors, (305), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (102), 3 states have call predecessors, (102), 2 states have call successors, (102) Word has length 1400 [2024-12-02 12:27:10,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:27:10,475 INFO L225 Difference]: With dead ends: 64374 [2024-12-02 12:27:10,475 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:27:10,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:27:10,576 INFO L435 NwaCegarLoop]: 5237 mSDtfsCounter, 0 mSDsluCounter, 20941 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26178 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:27:10,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26178 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:27:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:27:10,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:27:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:27:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:27:10,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1400 [2024-12-02 12:27:10,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:27:10,666 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:27:10,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.833333333333336) internal successors, (305), 5 states have internal predecessors, (305), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (102), 3 states have call predecessors, (102), 2 states have call successors, (102) [2024-12-02 12:27:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:27:10,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:27:10,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:27:10,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 12:27:10,686 INFO L422 BasicCegarLoop]: Path program histogram: [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] [2024-12-02 12:27:10,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:28:00,979 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 139 DAG size of output: 20 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)