./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya --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 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:01:06,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:01:06,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 02:01:06,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:01:06,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:01:06,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:01:06,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:01:06,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:01:06,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:01:06,334 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:01:06,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:01:06,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:01:06,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:01:06,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:01:06,337 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:01:06,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:01:06,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:01:06,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:01:06,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:01:06,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:01:06,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:01:06,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:01:06,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:01:06,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:01:06,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:01:06,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:01:06,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:01:06,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:01:06,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:01:06,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:01:06,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:01:06,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:01:06,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:01:06,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:01:06,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:01:06,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:01:06,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:01:06,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:01:06,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:01:06,349 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d [2023-11-29 02:01:06,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:01:06,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:01:06,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:01:06,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:01:06,608 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:01:06,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-29 02:01:09,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:01:09,781 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:01:09,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-29 02:01:09,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/data/c8f69ddd9/26ae400917b74c3fae7384dfbdba6159/FLAG71c35a5d6 [2023-11-29 02:01:09,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/data/c8f69ddd9/26ae400917b74c3fae7384dfbdba6159 [2023-11-29 02:01:09,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:01:09,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:01:09,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:01:09,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:01:09,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:01:09,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:01:09" (1/1) ... [2023-11-29 02:01:09,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bab8e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:09, skipping insertion in model container [2023-11-29 02:01:09,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:01:09" (1/1) ... [2023-11-29 02:01:09,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:01:11,093 WARN L240 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_a1cfc35b-a279-4470-b811-ea07dbfb50fd/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-11-29 02:01:12,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:01:12,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:01:12,248 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"); [3760] [2023-11-29 02:01:12,251 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"); [3794-3795] [2023-11-29 02:01:12,251 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"); [3798-3799] [2023-11-29 02:01:12,252 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"); [3802-3803] [2023-11-29 02:01:12,252 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"); [3806-3807] [2023-11-29 02:01:12,264 WARN L240 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_a1cfc35b-a279-4470-b811-ea07dbfb50fd/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-11-29 02:01:12,529 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [7459] [2023-11-29 02:01:12,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7466] [2023-11-29 02:01:12,530 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7475-7476] [2023-11-29 02:01:12,530 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; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7492-7493] [2023-11-29 02:01:12,531 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)); [7507-7508] [2023-11-29 02:01:12,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7521] [2023-11-29 02:01:12,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7524] [2023-11-29 02:01:12,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7527] [2023-11-29 02:01:12,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7530] [2023-11-29 02:01:12,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7547] [2023-11-29 02:01:12,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7550] [2023-11-29 02:01:12,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7553] [2023-11-29 02:01:12,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7556] [2023-11-29 02:01:12,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:01:12,776 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:01:12,776 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:01:12,776 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:01:12,784 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:01:12,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12 WrapperNode [2023-11-29 02:01:12,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:01:12,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:01:12,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:01:12,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:01:12,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:12,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:13,079 INFO L138 Inliner]: procedures = 371, calls = 3106, calls flagged for inlining = 200, calls inlined = 181, statements flattened = 6570 [2023-11-29 02:01:13,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:01:13,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:01:13,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:01:13,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:01:13,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:13,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:13,124 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:14,776 INFO L175 MemorySlicer]: Split 1334 memory accesses to 28 slices as follows [2, 680, 3, 1, 2, 2, 2, 1, 3, 2, 17, 2, 4, 26, 14, 4, 2, 1, 2, 67, 67, 34, 42, 273, 2, 70, 2, 7]. 51 percent of accesses are in the largest equivalence class. The 459 initializations are split as follows [0, 130, 0, 0, 0, 0, 0, 0, 0, 2, 16, 0, 4, 0, 14, 4, 0, 0, 0, 67, 67, 34, 42, 0, 0, 70, 2, 7]. The 364 writes are split as follows [1, 118, 2, 0, 1, 1, 1, 1, 2, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 234, 0, 0, 0, 0]. [2023-11-29 02:01:14,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:14,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:14,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:14,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:14,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:14,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:15,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:01:15,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:01:15,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:01:15,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:01:15,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (1/1) ... [2023-11-29 02:01:15,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:01:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:15,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:01:15,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cfc35b-a279-4470-b811-ea07dbfb50fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:01:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-11-29 02:01:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-11-29 02:01:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-11-29 02:01:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-11-29 02:01:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-11-29 02:01:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-11-29 02:01:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-11-29 02:01:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-11-29 02:01:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-29 02:01:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-29 02:01:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_14 [2023-11-29 02:01:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_14 [2023-11-29 02:01:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-29 02:01:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-29 02:01:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 02:01:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 02:01:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-29 02:01:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-29 02:01:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-11-29 02:01:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-11-29 02:01:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-11-29 02:01:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-11-29 02:01:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-11-29 02:01:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-11-29 02:01:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-29 02:01:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-29 02:01:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-11-29 02:01:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-11-29 02:01:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-29 02:01:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-29 02:01:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-29 02:01:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-29 02:01:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-11-29 02:01:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-11-29 02:01:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 02:01:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 02:01:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-29 02:01:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-29 02:01:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-29 02:01:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-29 02:01:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-29 02:01:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-29 02:01:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-11-29 02:01:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-11-29 02:01:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-11-29 02:01:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-11-29 02:01:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-11-29 02:01:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-11-29 02:01:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-29 02:01:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-29 02:01:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 02:01:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 02:01:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 02:01:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 02:01:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-11-29 02:01:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-11-29 02:01:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-11-29 02:01:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-11-29 02:01:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-11-29 02:01:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-11-29 02:01:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-29 02:01:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-29 02:01:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-11-29 02:01:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-11-29 02:01:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-29 02:01:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-29 02:01:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:01:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:01:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-11-29 02:01:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-11-29 02:01:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-11-29 02:01:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-11-29 02:01:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-11-29 02:01:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-11-29 02:01:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-11-29 02:01:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-11-29 02:01:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-11-29 02:01:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-11-29 02:01:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___2 [2023-11-29 02:01:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___2 [2023-11-29 02:01:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-29 02:01:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-29 02:01:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-29 02:01:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-29 02:01:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-29 02:01:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-29 02:01:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:01:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-29 02:01:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 02:01:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 02:01:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-11-29 02:01:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-11-29 02:01:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-29 02:01:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-29 02:01:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-11-29 02:01:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-11-29 02:01:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-11-29 02:01:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-11-29 02:01:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-29 02:01:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 02:01:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 02:01:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 02:01:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 02:01:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 02:01:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 02:01:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 02:01:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 02:01:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-29 02:01:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-11-29 02:01:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-11-29 02:01:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-11-29 02:01:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-11-29 02:01:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-29 02:01:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-29 02:01:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-29 02:01:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-29 02:01:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-11-29 02:01:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-11-29 02:01:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-11-29 02:01:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-11-29 02:01:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:01:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 02:01:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 02:01:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 02:01:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 02:01:15,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 02:01:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-29 02:01:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-29 02:01:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-29 02:01:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-29 02:01:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 02:01:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-29 02:01:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-29 02:01:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-29 02:01:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-29 02:01:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-29 02:01:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-11-29 02:01:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-11-29 02:01:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-11-29 02:01:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-11-29 02:01:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-29 02:01:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-29 02:01:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-29 02:01:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-29 02:01:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-29 02:01:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-29 02:01:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-11-29 02:01:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-11-29 02:01:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-29 02:01:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-29 02:01:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-11-29 02:01:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-11-29 02:01:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-29 02:01:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-29 02:01:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-11-29 02:01:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-11-29 02:01:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-11-29 02:01:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-11-29 02:01:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-29 02:01:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-29 02:01:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-11-29 02:01:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-11-29 02:01:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-29 02:01:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-29 02:01:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-29 02:01:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-29 02:01:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-29 02:01:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-29 02:01:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-11-29 02:01:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-11-29 02:01:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-11-29 02:01:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-11-29 02:01:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-11-29 02:01:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-11-29 02:01:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-11-29 02:01:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 02:01:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 02:01:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-11-29 02:01:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-29 02:01:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-29 02:01:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-11-29 02:01:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-11-29 02:01:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-29 02:01:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-29 02:01:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-11-29 02:01:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-11-29 02:01:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-11-29 02:01:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-11-29 02:01:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-29 02:01:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-29 02:01:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-29 02:01:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-29 02:01:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-29 02:01:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-29 02:01:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-11-29 02:01:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-11-29 02:01:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 02:01:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 02:01:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_41 [2023-11-29 02:01:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_41 [2023-11-29 02:01:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2023-11-29 02:01:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2023-11-29 02:01:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-29 02:01:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-29 02:01:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:01:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:01:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:01:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 02:01:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 02:01:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 02:01:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 02:01:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 02:01:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-11-29 02:01:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-11-29 02:01:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-29 02:01:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-29 02:01:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-11-29 02:01:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-11-29 02:01:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-29 02:01:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-29 02:01:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 02:01:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 02:01:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-29 02:01:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-11-29 02:01:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-11-29 02:01:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-11-29 02:01:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 02:01:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 02:01:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 02:01:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 02:01:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 02:01:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-29 02:01:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2023-11-29 02:01:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2023-11-29 02:01:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_4 [2023-11-29 02:01:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_4 [2023-11-29 02:01:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 02:01:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 02:01:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-29 02:01:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-29 02:01:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-11-29 02:01:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-11-29 02:01:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-29 02:01:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-29 02:01:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-11-29 02:01:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-11-29 02:01:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_22 [2023-11-29 02:01:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_22 [2023-11-29 02:01:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-11-29 02:01:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-11-29 02:01:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-11-29 02:01:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-11-29 02:01:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-11-29 02:01:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-11-29 02:01:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-29 02:01:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-29 02:01:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-29 02:01:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-29 02:01:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-11-29 02:01:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-11-29 02:01:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-29 02:01:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-29 02:01:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-11-29 02:01:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-11-29 02:01:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-29 02:01:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-29 02:01:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-29 02:01:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-29 02:01:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:01:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:01:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:01:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 02:01:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 02:01:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 02:01:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 02:01:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 02:01:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 02:01:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 02:01:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 02:01:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 02:01:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 02:01:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 02:01:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 02:01:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 02:01:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 02:01:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 02:01:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 02:01:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 02:01:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 02:01:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 02:01:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 02:01:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 02:01:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 02:01:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 02:01:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 02:01:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 02:01:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:01:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:01:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-29 02:01:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-29 02:01:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-11-29 02:01:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-11-29 02:01:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 02:01:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 02:01:16,044 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:01:16,047 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:01:16,359 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 02:01:16,759 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___2FINAL: assume true; [2023-11-29 02:01:25,600 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:01:25,982 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:01:25,982 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:01:25,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:01:25 BoogieIcfgContainer [2023-11-29 02:01:25,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:01:25,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:01:25,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:01:25,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:01:25,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:01:09" (1/3) ... [2023-11-29 02:01:25,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36099915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:01:25, skipping insertion in model container [2023-11-29 02:01:25,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:12" (2/3) ... [2023-11-29 02:01:25,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36099915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:01:25, skipping insertion in model container [2023-11-29 02:01:25,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:01:25" (3/3) ... [2023-11-29 02:01:25,993 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-29 02:01:26,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:01:26,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:01:26,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:01:26,115 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2803d1ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:01:26,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:01:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 1969 states, 1313 states have (on average 1.396039603960396) internal successors, (1833), 1354 states have internal predecessors, (1833), 529 states have call successors, (529), 127 states have call predecessors, (529), 125 states have return successors, (515), 504 states have call predecessors, (515), 515 states have call successors, (515) [2023-11-29 02:01:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 02:01:26,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:26,150 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:01:26,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:26,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:26,156 INFO L85 PathProgramCache]: Analyzing trace with hash -605739109, now seen corresponding path program 1 times [2023-11-29 02:01:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610925511] [2023-11-29 02:01:26,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:26,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:01:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:01:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:01:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:01:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:01:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:01:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:01:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:01:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:01:27,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:01:27,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610925511] [2023-11-29 02:01:27,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610925511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:01:27,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:01:27,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:01:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021906448] [2023-11-29 02:01:27,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:01:27,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:01:27,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:01:27,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:01:27,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:01:27,123 INFO L87 Difference]: Start difference. First operand has 1969 states, 1313 states have (on average 1.396039603960396) internal successors, (1833), 1354 states have internal predecessors, (1833), 529 states have call successors, (529), 127 states have call predecessors, (529), 125 states have return successors, (515), 504 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 02:01:33,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:01:37,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:01:43,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:01:43,299 INFO L93 Difference]: Finished difference Result 6232 states and 9577 transitions. [2023-11-29 02:01:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:01:43,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 65 [2023-11-29 02:01:43,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:01:43,351 INFO L225 Difference]: With dead ends: 6232 [2023-11-29 02:01:43,351 INFO L226 Difference]: Without dead ends: 4232 [2023-11-29 02:01:43,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:01:43,377 INFO L413 NwaCegarLoop]: 2235 mSDtfsCounter, 3703 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1483 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4095 SdHoareTripleChecker+Valid, 5290 SdHoareTripleChecker+Invalid, 3841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:01:43,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4095 Valid, 5290 Invalid, 3841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1483 Valid, 2356 Invalid, 2 Unknown, 0 Unchecked, 15.6s Time] [2023-11-29 02:01:43,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4232 states. [2023-11-29 02:01:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4232 to 3795. [2023-11-29 02:01:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3795 states, 2560 states have (on average 1.3828125) internal successors, (3540), 2603 states have internal predecessors, (3540), 989 states have call successors, (989), 246 states have call predecessors, (989), 245 states have return successors, (982), 960 states have call predecessors, (982), 982 states have call successors, (982) [2023-11-29 02:01:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3795 states and 5511 transitions. [2023-11-29 02:01:43,731 INFO L78 Accepts]: Start accepts. Automaton has 3795 states and 5511 transitions. Word has length 65 [2023-11-29 02:01:43,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:01:43,732 INFO L495 AbstractCegarLoop]: Abstraction has 3795 states and 5511 transitions. [2023-11-29 02:01:43,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 02:01:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3795 states and 5511 transitions. [2023-11-29 02:01:43,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 02:01:43,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:43,746 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:01:43,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:01:43,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:43,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:43,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1032231793, now seen corresponding path program 1 times [2023-11-29 02:01:43,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:43,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588802143] [2023-11-29 02:01:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:43,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:01:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:01:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:01:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:01:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:01:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:01:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:01:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:01:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 02:01:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 02:01:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:01:44,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:01:44,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588802143] [2023-11-29 02:01:44,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588802143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:01:44,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:01:44,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:01:44,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377439737] [2023-11-29 02:01:44,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:01:44,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:01:44,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:01:44,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:01:44,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:01:44,156 INFO L87 Difference]: Start difference. First operand 3795 states and 5511 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 02:01:50,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:01:54,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:02,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:06,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:10,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:12,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:02:12,013 INFO L93 Difference]: Finished difference Result 11855 states and 17439 transitions. [2023-11-29 02:02:12,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:02:12,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 83 [2023-11-29 02:02:12,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:02:12,070 INFO L225 Difference]: With dead ends: 11855 [2023-11-29 02:02:12,070 INFO L226 Difference]: Without dead ends: 8078 [2023-11-29 02:02:12,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:02:12,089 INFO L413 NwaCegarLoop]: 2222 mSDtfsCounter, 3478 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 1433 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3869 SdHoareTripleChecker+Valid, 5179 SdHoareTripleChecker+Invalid, 3885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1433 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:02:12,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3869 Valid, 5179 Invalid, 3885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1433 Valid, 2447 Invalid, 5 Unknown, 0 Unchecked, 27.4s Time] [2023-11-29 02:02:12,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8078 states. [2023-11-29 02:02:12,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8078 to 7177. [2023-11-29 02:02:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7177 states, 4837 states have (on average 1.3779201984701261) internal successors, (6665), 4918 states have internal predecessors, (6665), 1863 states have call successors, (1863), 477 states have call predecessors, (1863), 476 states have return successors, (1856), 1811 states have call predecessors, (1856), 1856 states have call successors, (1856) [2023-11-29 02:02:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7177 states to 7177 states and 10384 transitions. [2023-11-29 02:02:12,501 INFO L78 Accepts]: Start accepts. Automaton has 7177 states and 10384 transitions. Word has length 83 [2023-11-29 02:02:12,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:02:12,502 INFO L495 AbstractCegarLoop]: Abstraction has 7177 states and 10384 transitions. [2023-11-29 02:02:12,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 02:02:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 7177 states and 10384 transitions. [2023-11-29 02:02:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 02:02:12,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:02:12,508 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:02:12,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:02:12,508 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:02:12,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:02:12,509 INFO L85 PathProgramCache]: Analyzing trace with hash -336280390, now seen corresponding path program 1 times [2023-11-29 02:02:12,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:02:12,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665099277] [2023-11-29 02:02:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:02:12,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:02:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:02:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:02:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:02:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:02:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:02:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:02:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:02:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:02:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 02:02:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:02:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 02:02:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:02:12,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:02:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665099277] [2023-11-29 02:02:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665099277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:02:12,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:02:12,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:02:12,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870077739] [2023-11-29 02:02:12,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:02:12,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:02:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:02:12,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:02:12,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:02:12,971 INFO L87 Difference]: Start difference. First operand 7177 states and 10384 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:02:20,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:24,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:28,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:37,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:41,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:45,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:49,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:54,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:02:54,552 INFO L93 Difference]: Finished difference Result 27791 states and 42380 transitions. [2023-11-29 02:02:54,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:02:54,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 88 [2023-11-29 02:02:54,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:02:54,730 INFO L225 Difference]: With dead ends: 27791 [2023-11-29 02:02:54,730 INFO L226 Difference]: Without dead ends: 20632 [2023-11-29 02:02:54,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:02:54,773 INFO L413 NwaCegarLoop]: 1972 mSDtfsCounter, 6661 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 4260 mSolverCounterSat, 4179 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7184 SdHoareTripleChecker+Valid, 5896 SdHoareTripleChecker+Invalid, 8446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4179 IncrementalHoareTripleChecker+Valid, 4260 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:02:54,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7184 Valid, 5896 Invalid, 8446 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4179 Valid, 4260 Invalid, 7 Unknown, 0 Unchecked, 40.7s Time] [2023-11-29 02:02:54,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20632 states. [2023-11-29 02:02:55,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20632 to 18338. [2023-11-29 02:02:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18338 states, 12372 states have (on average 1.3621079857743292) internal successors, (16852), 12480 states have internal predecessors, (16852), 4725 states have call successors, (4725), 937 states have call predecessors, (4725), 1240 states have return successors, (5918), 4994 states have call predecessors, (5918), 4718 states have call successors, (5918) [2023-11-29 02:02:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18338 states to 18338 states and 27495 transitions. [2023-11-29 02:02:56,116 INFO L78 Accepts]: Start accepts. Automaton has 18338 states and 27495 transitions. Word has length 88 [2023-11-29 02:02:56,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:02:56,116 INFO L495 AbstractCegarLoop]: Abstraction has 18338 states and 27495 transitions. [2023-11-29 02:02:56,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:02:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 18338 states and 27495 transitions. [2023-11-29 02:02:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 02:02:56,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:02:56,120 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:02:56,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:02:56,120 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:02:56,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:02:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash -438684598, now seen corresponding path program 1 times [2023-11-29 02:02:56,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:02:56,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713260717] [2023-11-29 02:02:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:02:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:02:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:56,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:02:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:02:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:02:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:02:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:02:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:02:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:02:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:02:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 02:02:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:02:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:02:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:02:57,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:02:57,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713260717] [2023-11-29 02:02:57,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713260717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:02:57,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:02:57,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:02:57,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697537228] [2023-11-29 02:02:57,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:02:57,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:02:57,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:02:57,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:02:57,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:02:57,130 INFO L87 Difference]: Start difference. First operand 18338 states and 27495 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:02:59,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:04,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:08,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:12,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:21,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:25,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:29,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:33,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:36,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:03:36,386 INFO L93 Difference]: Finished difference Result 61085 states and 101734 transitions. [2023-11-29 02:03:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:03:36,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2023-11-29 02:03:36,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:03:36,645 INFO L225 Difference]: With dead ends: 61085 [2023-11-29 02:03:36,645 INFO L226 Difference]: Without dead ends: 42765 [2023-11-29 02:03:36,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:03:36,774 INFO L413 NwaCegarLoop]: 2268 mSDtfsCounter, 4180 mSDsluCounter, 4353 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 1697 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4557 SdHoareTripleChecker+Valid, 6621 SdHoareTripleChecker+Invalid, 4788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1697 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:03:36,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4557 Valid, 6621 Invalid, 4788 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1697 Valid, 3084 Invalid, 7 Unknown, 0 Unchecked, 37.5s Time] [2023-11-29 02:03:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42765 states. [2023-11-29 02:03:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42765 to 39237. [2023-11-29 02:03:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39237 states, 26569 states have (on average 1.357823026835786) internal successors, (36076), 26743 states have internal predecessors, (36076), 9847 states have call successors, (9847), 1873 states have call predecessors, (9847), 2820 states have return successors, (16168), 10784 states have call predecessors, (16168), 9840 states have call successors, (16168) [2023-11-29 02:03:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39237 states to 39237 states and 62091 transitions. [2023-11-29 02:03:39,304 INFO L78 Accepts]: Start accepts. Automaton has 39237 states and 62091 transitions. Word has length 86 [2023-11-29 02:03:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:03:39,304 INFO L495 AbstractCegarLoop]: Abstraction has 39237 states and 62091 transitions. [2023-11-29 02:03:39,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:03:39,304 INFO L276 IsEmpty]: Start isEmpty. Operand 39237 states and 62091 transitions. [2023-11-29 02:03:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 02:03:39,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:03:39,307 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:03:39,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:03:39,307 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:03:39,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:03:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash -715254825, now seen corresponding path program 1 times [2023-11-29 02:03:39,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:03:39,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584632517] [2023-11-29 02:03:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:03:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:03:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:03:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:03:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:03:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:03:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:03:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:03:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:03:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:03:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 02:03:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:03:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:03:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:03:40,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:03:40,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584632517] [2023-11-29 02:03:40,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584632517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:03:40,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:03:40,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:03:40,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479539826] [2023-11-29 02:03:40,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:03:40,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:03:40,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:03:40,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:03:40,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:03:40,319 INFO L87 Difference]: Start difference. First operand 39237 states and 62091 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:03:47,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:51,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:55,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:03,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:07,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:11,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:15,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:22,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:04:22,571 INFO L93 Difference]: Finished difference Result 124626 states and 223138 transitions. [2023-11-29 02:04:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:04:22,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2023-11-29 02:04:22,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:04:23,071 INFO L225 Difference]: With dead ends: 124626 [2023-11-29 02:04:23,071 INFO L226 Difference]: Without dead ends: 85407 [2023-11-29 02:04:23,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:04:23,372 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 4133 mSDsluCounter, 4443 mSDsCounter, 0 mSdLazyCounter, 3235 mSolverCounterSat, 1639 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4518 SdHoareTripleChecker+Valid, 6791 SdHoareTripleChecker+Invalid, 4881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1639 IncrementalHoareTripleChecker+Valid, 3235 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:04:23,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4518 Valid, 6791 Invalid, 4881 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1639 Valid, 3235 Invalid, 7 Unknown, 0 Unchecked, 37.6s Time] [2023-11-29 02:04:23,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85407 states. [2023-11-29 02:04:27,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85407 to 79276. [2023-11-29 02:04:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79276 states, 53668 states have (on average 1.3545129313557427) internal successors, (72694), 53974 states have internal predecessors, (72694), 19819 states have call successors, (19819), 3745 states have call predecessors, (19819), 5788 states have return successors, (40580), 21884 states have call predecessors, (40580), 19812 states have call successors, (40580) [2023-11-29 02:04:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79276 states to 79276 states and 133093 transitions. [2023-11-29 02:04:28,533 INFO L78 Accepts]: Start accepts. Automaton has 79276 states and 133093 transitions. Word has length 87 [2023-11-29 02:04:28,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:04:28,533 INFO L495 AbstractCegarLoop]: Abstraction has 79276 states and 133093 transitions. [2023-11-29 02:04:28,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:04:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 79276 states and 133093 transitions. [2023-11-29 02:04:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 02:04:28,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:04:28,537 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:04:28,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:04:28,538 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:04:28,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:04:28,538 INFO L85 PathProgramCache]: Analyzing trace with hash -698992403, now seen corresponding path program 1 times [2023-11-29 02:04:28,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:04:28,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810453676] [2023-11-29 02:04:28,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:04:28,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:04:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:04:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:04:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:04:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:04:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:04:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:04:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:04:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:04:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 02:04:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:04:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:04:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:04:28,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:04:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810453676] [2023-11-29 02:04:28,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810453676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:04:28,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:04:28,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:04:28,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785562168] [2023-11-29 02:04:28,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:04:28,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:04:28,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:04:28,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:04:28,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:04:28,885 INFO L87 Difference]: Start difference. First operand 79276 states and 133093 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:04:35,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:39,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:43,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:51,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:55,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:04:59,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:03,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:05:09,448 INFO L93 Difference]: Finished difference Result 85405 states and 146877 transitions. [2023-11-29 02:05:09,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:05:09,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 88 [2023-11-29 02:05:09,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:05:09,954 INFO L225 Difference]: With dead ends: 85405 [2023-11-29 02:05:09,954 INFO L226 Difference]: Without dead ends: 85402 [2023-11-29 02:05:09,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:05:09,986 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 4127 mSDsluCounter, 4443 mSDsCounter, 0 mSdLazyCounter, 3233 mSolverCounterSat, 1630 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4512 SdHoareTripleChecker+Valid, 6791 SdHoareTripleChecker+Invalid, 4870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1630 IncrementalHoareTripleChecker+Valid, 3233 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:05:09,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4512 Valid, 6791 Invalid, 4870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1630 Valid, 3233 Invalid, 7 Unknown, 0 Unchecked, 37.3s Time] [2023-11-29 02:05:10,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85402 states. [2023-11-29 02:05:13,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85402 to 79277. [2023-11-29 02:05:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79277 states, 53669 states have (on average 1.3545063258119212) internal successors, (72695), 53975 states have internal predecessors, (72695), 19819 states have call successors, (19819), 3745 states have call predecessors, (19819), 5788 states have return successors, (40580), 21884 states have call predecessors, (40580), 19812 states have call successors, (40580) [2023-11-29 02:05:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79277 states to 79277 states and 133094 transitions. [2023-11-29 02:05:14,545 INFO L78 Accepts]: Start accepts. Automaton has 79277 states and 133094 transitions. Word has length 88 [2023-11-29 02:05:14,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:05:14,545 INFO L495 AbstractCegarLoop]: Abstraction has 79277 states and 133094 transitions. [2023-11-29 02:05:14,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:05:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 79277 states and 133094 transitions. [2023-11-29 02:05:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 02:05:14,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:05:14,549 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:05:14,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:05:14,549 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:05:14,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:05:14,549 INFO L85 PathProgramCache]: Analyzing trace with hash -194852454, now seen corresponding path program 1 times [2023-11-29 02:05:14,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:05:14,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485369015] [2023-11-29 02:05:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:05:14,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:05:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:05:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:05:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:05:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:05:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:05:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:05:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:05:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:05:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 02:05:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:05:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:05:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:05:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:05:14,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:05:14,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485369015] [2023-11-29 02:05:14,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485369015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:05:14,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:05:14,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:05:14,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468971523] [2023-11-29 02:05:14,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:05:14,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:05:14,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:05:14,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:05:14,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:05:14,953 INFO L87 Difference]: Start difference. First operand 79277 states and 133094 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:05:22,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:26,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:30,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:34,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:38,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:42,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:46,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:05:59,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:05:59,612 INFO L93 Difference]: Finished difference Result 197764 states and 341677 transitions. [2023-11-29 02:05:59,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:05:59,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2023-11-29 02:05:59,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:00,390 INFO L225 Difference]: With dead ends: 197764 [2023-11-29 02:06:00,390 INFO L226 Difference]: Without dead ends: 118505 [2023-11-29 02:06:00,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:06:00,853 INFO L413 NwaCegarLoop]: 2871 mSDtfsCounter, 3746 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 1396 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4127 SdHoareTripleChecker+Valid, 7972 SdHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1396 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:06:00,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4127 Valid, 7972 Invalid, 5243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1396 Valid, 3840 Invalid, 7 Unknown, 0 Unchecked, 38.3s Time] [2023-11-29 02:06:00,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118505 states. [2023-11-29 02:06:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118505 to 108748. [2023-11-29 02:06:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108748 states, 73593 states have (on average 1.3589335942277119) internal successors, (100008), 74236 states have internal predecessors, (100008), 27233 states have call successors, (27233), 5591 states have call predecessors, (27233), 7921 states have return successors, (54572), 29376 states have call predecessors, (54572), 27222 states have call successors, (54572) [2023-11-29 02:06:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108748 states to 108748 states and 181813 transitions. [2023-11-29 02:06:08,127 INFO L78 Accepts]: Start accepts. Automaton has 108748 states and 181813 transitions. Word has length 89 [2023-11-29 02:06:08,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:08,128 INFO L495 AbstractCegarLoop]: Abstraction has 108748 states and 181813 transitions. [2023-11-29 02:06:08,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:06:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 108748 states and 181813 transitions. [2023-11-29 02:06:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 02:06:08,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:08,132 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:06:08,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:06:08,133 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:08,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:08,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1480552780, now seen corresponding path program 1 times [2023-11-29 02:06:08,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:06:08,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187417830] [2023-11-29 02:06:08,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:06:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:06:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:06:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:06:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:06:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:06:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:06:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:06:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:06:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 02:06:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:06:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:06:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:06:08,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:06:08,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187417830] [2023-11-29 02:06:08,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187417830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:06:08,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:06:08,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:06:08,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470507710] [2023-11-29 02:06:08,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:06:08,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:06:08,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:06:08,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:06:08,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:06:08,616 INFO L87 Difference]: Start difference. First operand 108748 states and 181813 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:06:16,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:06:20,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:06:24,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:06:32,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:06:36,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:06:40,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:06:44,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:01,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:01,652 INFO L93 Difference]: Finished difference Result 342294 states and 582053 transitions. [2023-11-29 02:07:01,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:07:01,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 90 [2023-11-29 02:07:01,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:03,431 INFO L225 Difference]: With dead ends: 342294 [2023-11-29 02:07:03,431 INFO L226 Difference]: Without dead ends: 233564 [2023-11-29 02:07:04,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:07:04,203 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 6970 mSDsluCounter, 3928 mSDsCounter, 0 mSdLazyCounter, 3955 mSolverCounterSat, 4424 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7531 SdHoareTripleChecker+Valid, 5986 SdHoareTripleChecker+Invalid, 8386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4424 IncrementalHoareTripleChecker+Valid, 3955 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:04,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7531 Valid, 5986 Invalid, 8386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4424 Valid, 3955 Invalid, 7 Unknown, 0 Unchecked, 40.1s Time] [2023-11-29 02:07:04,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233564 states. [2023-11-29 02:07:17,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233564 to 216060. [2023-11-29 02:07:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216060 states, 146181 states have (on average 1.3583160602267053) internal successors, (198560), 147472 states have internal predecessors, (198560), 54073 states have call successors, (54073), 11143 states have call predecessors, (54073), 15805 states have return successors, (108150), 58356 states have call predecessors, (108150), 54062 states have call successors, (108150) [2023-11-29 02:07:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216060 states to 216060 states and 360783 transitions. [2023-11-29 02:07:19,990 INFO L78 Accepts]: Start accepts. Automaton has 216060 states and 360783 transitions. Word has length 90 [2023-11-29 02:07:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:19,990 INFO L495 AbstractCegarLoop]: Abstraction has 216060 states and 360783 transitions. [2023-11-29 02:07:19,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:07:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 216060 states and 360783 transitions. [2023-11-29 02:07:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 02:07:19,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:19,993 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:07:19,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:07:19,994 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:19,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:19,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1746378352, now seen corresponding path program 1 times [2023-11-29 02:07:19,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:19,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845059225] [2023-11-29 02:07:19,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:19,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:07:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:07:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:07:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:07:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:07:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:07:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:07:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:07:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 02:07:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 02:07:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:07:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:07:20,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:20,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845059225] [2023-11-29 02:07:20,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845059225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:20,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:20,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:07:20,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116087069] [2023-11-29 02:07:20,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:20,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:07:20,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:20,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:07:20,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:07:20,497 INFO L87 Difference]: Start difference. First operand 216060 states and 360783 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:07:27,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:31,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:35,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:41,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:45,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:49,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:53,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:08:19,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:19,897 INFO L93 Difference]: Finished difference Result 467029 states and 798774 transitions. [2023-11-29 02:08:19,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:08:19,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 90 [2023-11-29 02:08:19,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:23,374 INFO L225 Difference]: With dead ends: 467029 [2023-11-29 02:08:23,374 INFO L226 Difference]: Without dead ends: 466861 [2023-11-29 02:08:23,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:08:23,634 INFO L413 NwaCegarLoop]: 2201 mSDtfsCounter, 4062 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 3075 mSolverCounterSat, 1637 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4480 SdHoareTripleChecker+Valid, 6494 SdHoareTripleChecker+Invalid, 4719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 3075 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:08:23,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4480 Valid, 6494 Invalid, 4719 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1637 Valid, 3075 Invalid, 7 Unknown, 0 Unchecked, 36.9s Time] [2023-11-29 02:08:24,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466861 states. [2023-11-29 02:08:49,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466861 to 431918. [2023-11-29 02:08:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431918 states, 292255 states have (on average 1.3583890780311714) internal successors, (396996), 294830 states have internal predecessors, (396996), 108089 states have call successors, (108089), 22247 states have call predecessors, (108089), 31573 states have return successors, (216254), 116664 states have call predecessors, (216254), 108078 states have call successors, (216254) [2023-11-29 02:08:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431918 states to 431918 states and 721339 transitions. [2023-11-29 02:08:55,528 INFO L78 Accepts]: Start accepts. Automaton has 431918 states and 721339 transitions. Word has length 90 [2023-11-29 02:08:55,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:55,528 INFO L495 AbstractCegarLoop]: Abstraction has 431918 states and 721339 transitions. [2023-11-29 02:08:55,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 02:08:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 431918 states and 721339 transitions. [2023-11-29 02:08:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 02:08:55,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:55,533 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 02:08:55,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:08:55,533 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:55,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:55,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2030709982, now seen corresponding path program 1 times [2023-11-29 02:08:55,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:08:55,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499016187] [2023-11-29 02:08:55,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:55,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:08:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:08:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:08:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:08:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:08:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 02:08:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:08:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 02:08:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 02:08:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 02:08:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:08:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 02:08:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:08:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 02:08:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 02:08:55,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:08:55,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499016187] [2023-11-29 02:08:55,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499016187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:08:55,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:08:55,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:08:55,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288462373] [2023-11-29 02:08:55,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:08:55,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:08:55,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:08:55,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:08:55,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:08:55,820 INFO L87 Difference]: Start difference. First operand 431918 states and 721339 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 02:08:57,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:09:02,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:09:06,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:09:10,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:09:16,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:09:20,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:09:24,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:09:28,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []