./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB --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 f0264a7c1c07e6092d32753a230521a5edec309c10f882cddd09eac7d8c938cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:32:16,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:32:16,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:32:16,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:32:16,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:32:16,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:32:16,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:32:16,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:32:16,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:32:16,332 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:32:16,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:32:16,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:32:16,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:32:16,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:32:16,333 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:32:16,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:32:16,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:32:16,334 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:16,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:16,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:16,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:32:16,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:16,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:16,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:16,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:16,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:32:16,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:32:16,337 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:32:16,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:32:16,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:32:16,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:32:16,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:32:16,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:32:16,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:32:16,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:32:16,338 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f0264a7c1c07e6092d32753a230521a5edec309c10f882cddd09eac7d8c938cd [2024-11-27 23:32:16,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:32:16,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:32:16,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:32:16,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:32:16,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:32:16,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2024-11-27 23:32:19,646 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/14ee77057/ae98c1f533f94fac97670aecc6b74cf7/FLAGd8504462d [2024-11-27 23:32:20,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:32:20,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2024-11-27 23:32:20,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/14ee77057/ae98c1f533f94fac97670aecc6b74cf7/FLAGd8504462d [2024-11-27 23:32:20,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/14ee77057/ae98c1f533f94fac97670aecc6b74cf7 [2024-11-27 23:32:20,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:32:20,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:32:20,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:20,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:32:20,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:32:20,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:20" (1/1) ... [2024-11-27 23:32:20,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616ad13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:20, skipping insertion in model container [2024-11-27 23:32:20,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:20" (1/1) ... [2024-11-27 23:32:20,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:32:22,125 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2024-11-27 23:32:22,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:22,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:32:22,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (179), "i" (12UL)); [4067-4068] [2024-11-27 23:32:22,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c6;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c5\n .byte 772b-771b\n .short %c7\n.popsection\n": "=D" (__edi), "=S" (__esi), "=d" (__edx), "=c" (__ecx), "=a" (__eax): [paravirt_typenum] "i" (34UL), [paravirt_opptr] "i" (& pv_cpu_ops.read_tsc), [paravirt_clobber] "i" (511): "memory", "cc", "r8", "r9", "r10", "r11"); [4073-4076] [2024-11-27 23:32:22,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\tprefetcht0 %P1\n662:\n.skip -(((6651f-6641f)-(662b-661b)) > 0) * ((6651f-6641f)-(662b-661b)),0x90\n663:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6641f - .\n .word ( 6*32+ 8)\n .byte 663b-661b\n .byte 6651f-6641f\n .byte 663b-662b\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6641:\n\tprefetchw %P1\n6651:\n\t.popsection": : "i" (0), "m" (*((char const *)x))); [4084-4085] [2024-11-27 23:32:22,514 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [4108] [2024-11-27 23:32:22,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [4116-4117] [2024-11-27 23:32:22,520 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"); [4128-4129] [2024-11-27 23:32:22,520 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"); [4132-4133] [2024-11-27 23:32:22,520 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"); [4136-4137] [2024-11-27 23:32:22,520 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"); [4140-4141] [2024-11-27 23:32:22,580 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)front) [4941] [2024-11-27 23:32:22,581 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)back) [4942] [2024-11-27 23:32:22,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5262/dscv_tempdir/dscv/ri/32_7a/drivers/video/fbdev/udlfb.c"), "i" (1932), "i" (12UL)); [6665-6666] [2024-11-27 23:32:22,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5262/dscv_tempdir/dscv/ri/32_7a/drivers/video/fbdev/udlfb.c"), "i" (1950), "i" (12UL)); [6689-6690] [2024-11-27 23:32:22,791 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2024-11-27 23:32:22,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:22,961 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:32:22,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22 WrapperNode [2024-11-27 23:32:22,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:22,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:22,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:32:22,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:32:22,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:23,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:23,388 INFO L138 Inliner]: procedures = 318, calls = 1726, calls flagged for inlining = 117, calls inlined = 109, statements flattened = 4233 [2024-11-27 23:32:23,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:23,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:32:23,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:32:23,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:32:23,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:23,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:23,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,358 INFO L175 MemorySlicer]: Split 803 memory accesses to 27 slices as follows [27, 2, 26, 5, 72, 2, 2, 6, 4, 6, 2, 5, 2, 17, 45, 6, 6, 9, 12, 1, 9, 6, 8, 22, 19, 476, 6]. 59 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 0]. The 397 writes are split as follows [1, 1, 13, 2, 72, 1, 1, 3, 2, 0, 0, 3, 1, 17, 45, 3, 3, 3, 4, 0, 2, 2, 3, 5, 19, 188, 3]. [2024-11-27 23:32:24,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:32:24,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:32:24,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:32:24,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:32:24,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (1/1) ... [2024-11-27 23:32:24,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:24,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:32:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-27 23:32:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-27 23:32:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2024-11-27 23:32:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2024-11-27 23:32:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-27 23:32:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-27 23:32:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2024-11-27 23:32:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2024-11-27 23:32:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2024-11-27 23:32:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2024-11-27 23:32:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 23:32:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 23:32:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 23:32:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 23:32:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 23:32:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 23:32:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 23:32:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 23:32:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 23:32:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 23:32:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 23:32:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 23:32:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 23:32:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 23:32:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 23:32:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:32:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:32:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:32:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:32:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:32:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:32:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 23:32:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 23:32:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 23:32:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 23:32:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 23:32:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 23:32:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 23:32:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 23:32:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2024-11-27 23:32:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2024-11-27 23:32:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2024-11-27 23:32:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2024-11-27 23:32:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-27 23:32:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-27 23:32:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 23:32:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 23:32:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2024-11-27 23:32:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2024-11-27 23:32:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 23:32:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 23:32:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-27 23:32:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-27 23:32:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-27 23:32:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-27 23:32:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 23:32:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 23:32:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 23:32:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 23:32:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 23:32:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 23:32:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-27 23:32:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-27 23:32:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-27 23:32:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-27 23:32:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-27 23:32:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-27 23:32:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-27 23:32:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 23:32:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-27 23:32:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-27 23:32:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-27 23:32:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-27 23:32:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-27 23:32:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2024-11-27 23:32:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2024-11-27 23:32:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 23:32:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2024-11-27 23:32:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-27 23:32:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 23:32:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 23:32:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-27 23:32:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-27 23:32:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-27 23:32:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-27 23:32:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-27 23:32:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2024-11-27 23:32:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2024-11-27 23:32:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-27 23:32:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-27 23:32:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2024-11-27 23:32:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2024-11-27 23:32:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-27 23:32:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-27 23:32:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 23:32:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-11-27 23:32:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2024-11-27 23:32:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-27 23:32:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:32:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:32:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:32:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:32:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:32:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:32:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 23:32:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 23:32:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 23:32:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 23:32:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 23:32:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 23:32:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 23:32:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-27 23:32:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:32:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 23:32:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2024-11-27 23:32:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2024-11-27 23:32:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2024-11-27 23:32:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:32:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 23:32:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 23:32:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 23:32:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-27 23:32:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-27 23:32:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-27 23:32:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-27 23:32:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-27 23:32:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-11-27 23:32:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-11-27 23:32:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 23:32:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-11-27 23:32:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2024-11-27 23:32:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-27 23:32:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 23:32:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-27 23:32:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-27 23:32:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2024-11-27 23:32:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2024-11-27 23:32:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 23:32:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 23:32:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 23:32:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 23:32:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 23:32:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 23:32:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 23:32:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2024-11-27 23:32:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2024-11-27 23:32:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-27 23:32:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-27 23:32:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 23:32:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 23:32:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2024-11-27 23:32:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2024-11-27 23:32:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-27 23:32:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-27 23:32:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:32:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2024-11-27 23:32:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2024-11-27 23:32:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-27 23:32:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2024-11-27 23:32:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2024-11-27 23:32:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:32:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-27 23:32:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-27 23:32:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 23:32:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 23:32:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2024-11-27 23:32:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2024-11-27 23:32:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2024-11-27 23:32:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2024-11-27 23:32:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-27 23:32:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-27 23:32:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-27 23:32:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-27 23:32:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-27 23:32:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-27 23:32:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-27 23:32:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-27 23:32:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2024-11-27 23:32:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2024-11-27 23:32:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-27 23:32:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-27 23:32:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 23:32:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 23:32:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2024-11-27 23:32:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-27 23:32:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:32:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 23:32:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-27 23:32:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-27 23:32:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:32:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:32:26,321 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:32:26,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:32:27,762 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 23:32:47,665 INFO L? ?]: Removed 2296 outVars from TransFormulas that were not future-live. [2024-11-27 23:32:47,669 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:32:47,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:32:47,732 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:32:47,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:47 BoogieIcfgContainer [2024-11-27 23:32:47,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:32:47,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:32:47,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:32:47,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:32:47,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:32:20" (1/3) ... [2024-11-27 23:32:47,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ed39b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:47, skipping insertion in model container [2024-11-27 23:32:47,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:22" (2/3) ... [2024-11-27 23:32:47,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ed39b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:47, skipping insertion in model container [2024-11-27 23:32:47,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:47" (3/3) ... [2024-11-27 23:32:47,749 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2024-11-27 23:32:47,764 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:32:47,767 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i that has 135 procedures, 1673 locations, 1 initial locations, 81 loop locations, and 1 error locations. [2024-11-27 23:32:47,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:32:47,896 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15fdfedb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:32:47,896 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:32:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 1442 states, 1021 states have (on average 1.3339862879529873) internal successors, (1362), 1052 states have internal predecessors, (1362), 337 states have call successors, (337), 83 states have call predecessors, (337), 82 states have return successors, (329), 324 states have call predecessors, (329), 329 states have call successors, (329) [2024-11-27 23:32:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-27 23:32:47,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:47,944 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:47,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:47,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:47,951 INFO L85 PathProgramCache]: Analyzing trace with hash -51321872, now seen corresponding path program 1 times [2024-11-27 23:32:47,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:47,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082046470] [2024-11-27 23:32:47,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:47,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1949 trivial. 0 not checked. [2024-11-27 23:32:52,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:52,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082046470] [2024-11-27 23:32:52,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082046470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:52,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278094014] [2024-11-27 23:32:52,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:52,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:52,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:52,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:52,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:32:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:57,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 4213 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:32:57,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2024-11-27 23:32:57,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:57,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278094014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:57,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:57,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:32:57,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647389754] [2024-11-27 23:32:57,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:57,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:32:57,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:57,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:32:57,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:32:57,392 INFO L87 Difference]: Start difference. First operand has 1442 states, 1021 states have (on average 1.3339862879529873) internal successors, (1362), 1052 states have internal predecessors, (1362), 337 states have call successors, (337), 83 states have call predecessors, (337), 82 states have return successors, (329), 324 states have call predecessors, (329), 329 states have call successors, (329) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 23:32:57,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:57,639 INFO L93 Difference]: Finished difference Result 2879 states and 4114 transitions. [2024-11-27 23:32:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:32:57,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 389 [2024-11-27 23:32:57,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:57,674 INFO L225 Difference]: With dead ends: 2879 [2024-11-27 23:32:57,675 INFO L226 Difference]: Without dead ends: 1424 [2024-11-27 23:32:57,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:32:57,691 INFO L435 NwaCegarLoop]: 2015 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:57,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:57,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-27 23:32:57,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1424. [2024-11-27 23:32:57,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1013 states have (on average 1.319842053307009) internal successors, (1337), 1034 states have internal predecessors, (1337), 329 states have call successors, (329), 82 states have call predecessors, (329), 81 states have return successors, (322), 317 states have call predecessors, (322), 322 states have call successors, (322) [2024-11-27 23:32:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1988 transitions. [2024-11-27 23:32:57,901 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1988 transitions. Word has length 389 [2024-11-27 23:32:57,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:57,902 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 1988 transitions. [2024-11-27 23:32:57,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 23:32:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1988 transitions. [2024-11-27 23:32:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-27 23:32:57,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:57,917 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:57,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:58,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72663467-f099-40e2-9ba5-2e29d495a9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:58,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:58,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1535264472, now seen corresponding path program 1 times [2024-11-27 23:32:58,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:58,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317396852] [2024-11-27 23:32:58,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:58,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2024-11-27 23:33:02,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:02,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317396852] [2024-11-27 23:33:02,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317396852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:02,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:02,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:02,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781090532] [2024-11-27 23:33:02,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:02,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:02,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:02,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:02,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:02,131 INFO L87 Difference]: Start difference. First operand 1424 states and 1988 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-27 23:33:06,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:33:06,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:06,906 INFO L93 Difference]: Finished difference Result 4099 states and 5725 transitions. [2024-11-27 23:33:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:06,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 389 [2024-11-27 23:33:06,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:06,941 INFO L225 Difference]: With dead ends: 4099 [2024-11-27 23:33:06,942 INFO L226 Difference]: Without dead ends: 2746 [2024-11-27 23:33:06,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:06,950 INFO L435 NwaCegarLoop]: 1998 mSDtfsCounter, 1845 mSDsluCounter, 1967 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:06,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 3965 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 23:33:06,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-11-27 23:33:07,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2742. [2024-11-27 23:33:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2742 states, 1964 states have (on average 1.325356415478615) internal successors, (2603), 2000 states have internal predecessors, (2603), 617 states have call successors, (617), 161 states have call predecessors, (617), 160 states have return successors, (610), 600 states have call predecessors, (610), 610 states have call successors, (610) [2024-11-27 23:33:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2742 states and 3830 transitions. [2024-11-27 23:33:07,158 INFO L78 Accepts]: Start accepts. Automaton has 2742 states and 3830 transitions. Word has length 389 [2024-11-27 23:33:07,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:07,160 INFO L471 AbstractCegarLoop]: Abstraction has 2742 states and 3830 transitions. [2024-11-27 23:33:07,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-27 23:33:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3830 transitions. [2024-11-27 23:33:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-27 23:33:07,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:07,175 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:07,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:33:07,175 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:07,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:07,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1745784308, now seen corresponding path program 1 times [2024-11-27 23:33:07,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:07,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874854555] [2024-11-27 23:33:07,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2024-11-27 23:33:10,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:10,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874854555] [2024-11-27 23:33:10,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874854555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:10,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:10,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:10,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207690222] [2024-11-27 23:33:10,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:10,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:10,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:10,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:10,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:10,432 INFO L87 Difference]: Start difference. First operand 2742 states and 3830 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:10,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:10,933 INFO L93 Difference]: Finished difference Result 7999 states and 11156 transitions. [2024-11-27 23:33:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:10,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 399 [2024-11-27 23:33:10,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:10,977 INFO L225 Difference]: With dead ends: 7999 [2024-11-27 23:33:10,978 INFO L226 Difference]: Without dead ends: 5328 [2024-11-27 23:33:10,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:10,993 INFO L435 NwaCegarLoop]: 1995 mSDtfsCounter, 1902 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 3869 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:10,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 3869 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:33:11,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2024-11-27 23:33:11,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 5310. [2024-11-27 23:33:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5310 states, 3811 states have (on average 1.324849120965626) internal successors, (5049), 3877 states have internal predecessors, (5049), 1180 states have call successors, (1180), 319 states have call predecessors, (1180), 318 states have return successors, (1173), 1153 states have call predecessors, (1173), 1173 states have call successors, (1173) [2024-11-27 23:33:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5310 states to 5310 states and 7402 transitions. [2024-11-27 23:33:11,289 INFO L78 Accepts]: Start accepts. Automaton has 5310 states and 7402 transitions. Word has length 399 [2024-11-27 23:33:11,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:11,291 INFO L471 AbstractCegarLoop]: Abstraction has 5310 states and 7402 transitions. [2024-11-27 23:33:11,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5310 states and 7402 transitions. [2024-11-27 23:33:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-27 23:33:11,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:11,301 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:11,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:33:11,301 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:11,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:11,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1544995039, now seen corresponding path program 1 times [2024-11-27 23:33:11,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:11,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439266020] [2024-11-27 23:33:11,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:11,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2024-11-27 23:33:14,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:14,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439266020] [2024-11-27 23:33:14,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439266020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:14,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:14,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:14,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000794626] [2024-11-27 23:33:14,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:14,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:14,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:14,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:14,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:14,680 INFO L87 Difference]: Start difference. First operand 5310 states and 7402 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:14,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:14,855 INFO L93 Difference]: Finished difference Result 5312 states and 7403 transitions. [2024-11-27 23:33:14,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:14,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 409 [2024-11-27 23:33:14,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:14,897 INFO L225 Difference]: With dead ends: 5312 [2024-11-27 23:33:14,897 INFO L226 Difference]: Without dead ends: 5309 [2024-11-27 23:33:14,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:14,903 INFO L435 NwaCegarLoop]: 1985 mSDtfsCounter, 1906 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 1985 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:14,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 1985 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:14,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2024-11-27 23:33:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5309. [2024-11-27 23:33:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5309 states, 3811 states have (on average 1.324586722644975) internal successors, (5048), 3876 states have internal predecessors, (5048), 1179 states have call successors, (1179), 319 states have call predecessors, (1179), 318 states have return successors, (1173), 1153 states have call predecessors, (1173), 1173 states have call successors, (1173) [2024-11-27 23:33:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5309 states to 5309 states and 7400 transitions. [2024-11-27 23:33:15,214 INFO L78 Accepts]: Start accepts. Automaton has 5309 states and 7400 transitions. Word has length 409 [2024-11-27 23:33:15,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:15,217 INFO L471 AbstractCegarLoop]: Abstraction has 5309 states and 7400 transitions. [2024-11-27 23:33:15,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5309 states and 7400 transitions. [2024-11-27 23:33:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-27 23:33:15,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:15,229 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:15,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:33:15,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:15,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:15,230 INFO L85 PathProgramCache]: Analyzing trace with hash -650671960, now seen corresponding path program 1 times [2024-11-27 23:33:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:15,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756619231] [2024-11-27 23:33:15,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2024-11-27 23:33:17,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:17,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756619231] [2024-11-27 23:33:17,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756619231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:17,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:17,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:17,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930071698] [2024-11-27 23:33:17,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:17,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:17,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:17,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:17,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:17,961 INFO L87 Difference]: Start difference. First operand 5309 states and 7400 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:18,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:18,159 INFO L93 Difference]: Finished difference Result 5311 states and 7401 transitions. [2024-11-27 23:33:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:18,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 410 [2024-11-27 23:33:18,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:18,204 INFO L225 Difference]: With dead ends: 5311 [2024-11-27 23:33:18,204 INFO L226 Difference]: Without dead ends: 5308 [2024-11-27 23:33:18,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:18,210 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 1903 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 1983 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:18,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1903 Valid, 1983 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5308 states. [2024-11-27 23:33:18,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5308 to 5308. [2024-11-27 23:33:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5308 states, 3811 states have (on average 1.3243243243243243) internal successors, (5047), 3875 states have internal predecessors, (5047), 1178 states have call successors, (1178), 319 states have call predecessors, (1178), 318 states have return successors, (1173), 1153 states have call predecessors, (1173), 1173 states have call successors, (1173) [2024-11-27 23:33:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5308 states to 5308 states and 7398 transitions. [2024-11-27 23:33:18,533 INFO L78 Accepts]: Start accepts. Automaton has 5308 states and 7398 transitions. Word has length 410 [2024-11-27 23:33:18,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:18,534 INFO L471 AbstractCegarLoop]: Abstraction has 5308 states and 7398 transitions. [2024-11-27 23:33:18,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 5308 states and 7398 transitions. [2024-11-27 23:33:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-27 23:33:18,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:18,545 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:18,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:33:18,546 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:18,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:18,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1303544580, now seen corresponding path program 1 times [2024-11-27 23:33:18,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:18,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003898643] [2024-11-27 23:33:18,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:18,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2024-11-27 23:33:21,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:21,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003898643] [2024-11-27 23:33:21,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003898643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:21,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:21,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:21,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606898110] [2024-11-27 23:33:21,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:21,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:21,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:21,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:21,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:21,533 INFO L87 Difference]: Start difference. First operand 5308 states and 7398 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:22,344 INFO L93 Difference]: Finished difference Result 15692 states and 22299 transitions. [2024-11-27 23:33:22,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:22,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 411 [2024-11-27 23:33:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:22,451 INFO L225 Difference]: With dead ends: 15692 [2024-11-27 23:33:22,452 INFO L226 Difference]: Without dead ends: 10465 [2024-11-27 23:33:22,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:22,486 INFO L435 NwaCegarLoop]: 2401 mSDtfsCounter, 1913 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:22,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 4287 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:33:22,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10465 states. [2024-11-27 23:33:23,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10465 to 10453. [2024-11-27 23:33:23,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10453 states, 7527 states have (on average 1.3269562906868606) internal successors, (9988), 7651 states have internal predecessors, (9988), 2309 states have call successors, (2309), 622 states have call predecessors, (2309), 616 states have return successors, (2499), 2259 states have call predecessors, (2499), 2303 states have call successors, (2499) [2024-11-27 23:33:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10453 states to 10453 states and 14796 transitions. [2024-11-27 23:33:23,231 INFO L78 Accepts]: Start accepts. Automaton has 10453 states and 14796 transitions. Word has length 411 [2024-11-27 23:33:23,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:23,231 INFO L471 AbstractCegarLoop]: Abstraction has 10453 states and 14796 transitions. [2024-11-27 23:33:23,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:23,232 INFO L276 IsEmpty]: Start isEmpty. Operand 10453 states and 14796 transitions. [2024-11-27 23:33:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-27 23:33:23,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:23,242 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:23,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:33:23,243 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:23,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:23,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1754720043, now seen corresponding path program 1 times [2024-11-27 23:33:23,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:23,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575727672] [2024-11-27 23:33:23,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:23,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:26,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2024-11-27 23:33:26,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:26,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575727672] [2024-11-27 23:33:26,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575727672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:26,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:26,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:26,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077644852] [2024-11-27 23:33:26,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:26,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:26,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:26,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:26,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:26,067 INFO L87 Difference]: Start difference. First operand 10453 states and 14796 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:26,552 INFO L93 Difference]: Finished difference Result 10455 states and 14797 transitions. [2024-11-27 23:33:26,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:26,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 412 [2024-11-27 23:33:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:26,607 INFO L225 Difference]: With dead ends: 10455 [2024-11-27 23:33:26,607 INFO L226 Difference]: Without dead ends: 10452 [2024-11-27 23:33:26,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:26,614 INFO L435 NwaCegarLoop]: 1981 mSDtfsCounter, 1899 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:26,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1899 Valid, 1981 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:26,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10452 states. [2024-11-27 23:33:27,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10452 to 10452. [2024-11-27 23:33:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10452 states, 7527 states have (on average 1.326823435631726) internal successors, (9987), 7650 states have internal predecessors, (9987), 2308 states have call successors, (2308), 622 states have call predecessors, (2308), 616 states have return successors, (2499), 2259 states have call predecessors, (2499), 2303 states have call successors, (2499) [2024-11-27 23:33:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10452 states to 10452 states and 14794 transitions. [2024-11-27 23:33:27,257 INFO L78 Accepts]: Start accepts. Automaton has 10452 states and 14794 transitions. Word has length 412 [2024-11-27 23:33:27,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:27,259 INFO L471 AbstractCegarLoop]: Abstraction has 10452 states and 14794 transitions. [2024-11-27 23:33:27,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 10452 states and 14794 transitions. [2024-11-27 23:33:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-27 23:33:27,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:27,270 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:27,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:33:27,270 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:27,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:27,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1438704921, now seen corresponding path program 1 times [2024-11-27 23:33:27,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:27,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694516920] [2024-11-27 23:33:27,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:27,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2024-11-27 23:33:29,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:29,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694516920] [2024-11-27 23:33:29,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694516920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:29,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:29,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:29,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480768111] [2024-11-27 23:33:29,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:29,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:29,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:29,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:29,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:29,675 INFO L87 Difference]: Start difference. First operand 10452 states and 14794 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:30,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:30,071 INFO L93 Difference]: Finished difference Result 10454 states and 14795 transitions. [2024-11-27 23:33:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:30,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 413 [2024-11-27 23:33:30,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:30,132 INFO L225 Difference]: With dead ends: 10454 [2024-11-27 23:33:30,132 INFO L226 Difference]: Without dead ends: 10442 [2024-11-27 23:33:30,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:30,142 INFO L435 NwaCegarLoop]: 1980 mSDtfsCounter, 1896 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:30,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1896 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:30,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10442 states. [2024-11-27 23:33:30,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10442 to 10442. [2024-11-27 23:33:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10442 states, 7518 states have (on average 1.326416600159617) internal successors, (9972), 7640 states have internal predecessors, (9972), 2307 states have call successors, (2307), 622 states have call predecessors, (2307), 616 states have return successors, (2499), 2259 states have call predecessors, (2499), 2303 states have call successors, (2499) [2024-11-27 23:33:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10442 states to 10442 states and 14778 transitions. [2024-11-27 23:33:30,935 INFO L78 Accepts]: Start accepts. Automaton has 10442 states and 14778 transitions. Word has length 413 [2024-11-27 23:33:30,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:30,935 INFO L471 AbstractCegarLoop]: Abstraction has 10442 states and 14778 transitions. [2024-11-27 23:33:30,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:30,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10442 states and 14778 transitions. [2024-11-27 23:33:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-11-27 23:33:30,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:30,949 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:30,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:33:30,949 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:30,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:30,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1876812437, now seen corresponding path program 1 times [2024-11-27 23:33:30,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:30,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113419637] [2024-11-27 23:33:30,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:30,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2024-11-27 23:33:34,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:34,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113419637] [2024-11-27 23:33:34,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113419637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:34,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:34,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:33:34,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242201874] [2024-11-27 23:33:34,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:34,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:33:34,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:34,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:33:34,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:33:34,536 INFO L87 Difference]: Start difference. First operand 10442 states and 14778 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2024-11-27 23:33:35,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:35,395 INFO L93 Difference]: Finished difference Result 20888 states and 29980 transitions. [2024-11-27 23:33:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:33:35,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 443 [2024-11-27 23:33:35,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:35,457 INFO L225 Difference]: With dead ends: 20888 [2024-11-27 23:33:35,458 INFO L226 Difference]: Without dead ends: 10527 [2024-11-27 23:33:35,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:33:35,510 INFO L435 NwaCegarLoop]: 1975 mSDtfsCounter, 10 mSDsluCounter, 3942 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 5917 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:35,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 5917 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:33:35,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10527 states. [2024-11-27 23:33:36,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10527 to 10466. [2024-11-27 23:33:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10466 states, 7542 states have (on average 1.3253778838504375) internal successors, (9996), 7664 states have internal predecessors, (9996), 2307 states have call successors, (2307), 622 states have call predecessors, (2307), 616 states have return successors, (2499), 2259 states have call predecessors, (2499), 2303 states have call successors, (2499) [2024-11-27 23:33:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10466 states to 10466 states and 14802 transitions. [2024-11-27 23:33:36,137 INFO L78 Accepts]: Start accepts. Automaton has 10466 states and 14802 transitions. Word has length 443 [2024-11-27 23:33:36,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:36,138 INFO L471 AbstractCegarLoop]: Abstraction has 10466 states and 14802 transitions. [2024-11-27 23:33:36,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2024-11-27 23:33:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 10466 states and 14802 transitions. [2024-11-27 23:33:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-11-27 23:33:36,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:36,146 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:36,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:33:36,146 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:36,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:36,147 INFO L85 PathProgramCache]: Analyzing trace with hash -984015100, now seen corresponding path program 1 times [2024-11-27 23:33:36,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:36,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911848054] [2024-11-27 23:33:36,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:36,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2024-11-27 23:33:40,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:40,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911848054] [2024-11-27 23:33:40,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911848054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:40,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:40,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:33:40,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508364839] [2024-11-27 23:33:40,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:40,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:33:40,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:40,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:40,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:33:40,087 INFO L87 Difference]: Start difference. First operand 10466 states and 14802 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-27 23:33:44,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:33:48,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:33:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:57,748 INFO L93 Difference]: Finished difference Result 31228 states and 45420 transitions. [2024-11-27 23:33:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:33:57,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 445 [2024-11-27 23:33:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:57,878 INFO L225 Difference]: With dead ends: 31228 [2024-11-27 23:33:57,878 INFO L226 Difference]: Without dead ends: 20843 [2024-11-27 23:33:57,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:33:57,932 INFO L435 NwaCegarLoop]: 2048 mSDtfsCounter, 2369 mSDsluCounter, 3004 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 137 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 5052 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:57,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 5052 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 656 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2024-11-27 23:33:57,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20843 states. [2024-11-27 23:33:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20843 to 20820. [2024-11-27 23:33:59,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20820 states, 15020 states have (on average 1.3256324900133156) internal successors, (19911), 15262 states have internal predecessors, (19911), 4571 states have call successors, (4571), 1238 states have call predecessors, (4571), 1228 states have return successors, (5579), 4479 states have call predecessors, (5579), 4567 states have call successors, (5579) [2024-11-27 23:33:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20820 states to 20820 states and 30061 transitions. [2024-11-27 23:33:59,377 INFO L78 Accepts]: Start accepts. Automaton has 20820 states and 30061 transitions. Word has length 445 [2024-11-27 23:33:59,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:59,378 INFO L471 AbstractCegarLoop]: Abstraction has 20820 states and 30061 transitions. [2024-11-27 23:33:59,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-27 23:33:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 20820 states and 30061 transitions. [2024-11-27 23:33:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2024-11-27 23:33:59,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:59,386 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:59,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:33:59,387 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:59,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:59,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1692075820, now seen corresponding path program 1 times [2024-11-27 23:33:59,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:59,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783583509] [2024-11-27 23:33:59,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:59,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2024-11-27 23:34:03,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:03,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783583509] [2024-11-27 23:34:03,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783583509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:34:03,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:34:03,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:34:03,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097072078] [2024-11-27 23:34:03,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:03,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:34:03,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:03,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:34:03,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:34:03,129 INFO L87 Difference]: Start difference. First operand 20820 states and 30061 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-27 23:34:07,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:34:11,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:34:25,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:25,865 INFO L93 Difference]: Finished difference Result 51808 states and 76818 transitions. [2024-11-27 23:34:25,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:34:25,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 442 [2024-11-27 23:34:25,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:26,044 INFO L225 Difference]: With dead ends: 51808 [2024-11-27 23:34:26,044 INFO L226 Difference]: Without dead ends: 31069 [2024-11-27 23:34:26,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:34:26,121 INFO L435 NwaCegarLoop]: 2046 mSDtfsCounter, 1821 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 6954 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:26,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 6954 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1284 Invalid, 2 Unknown, 0 Unchecked, 21.3s Time] [2024-11-27 23:34:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31069 states. [2024-11-27 23:34:27,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31069 to 31046. [2024-11-27 23:34:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31046 states, 22394 states have (on average 1.3258015539876753) internal successors, (29690), 22772 states have internal predecessors, (29690), 6827 states have call successors, (6827), 1854 states have call predecessors, (6827), 1824 states have return successors, (9087), 6651 states have call predecessors, (9087), 6823 states have call successors, (9087) [2024-11-27 23:34:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31046 states to 31046 states and 45604 transitions. [2024-11-27 23:34:28,163 INFO L78 Accepts]: Start accepts. Automaton has 31046 states and 45604 transitions. Word has length 442 [2024-11-27 23:34:28,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:28,164 INFO L471 AbstractCegarLoop]: Abstraction has 31046 states and 45604 transitions. [2024-11-27 23:34:28,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-27 23:34:28,164 INFO L276 IsEmpty]: Start isEmpty. Operand 31046 states and 45604 transitions. [2024-11-27 23:34:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-11-27 23:34:28,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:28,171 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:28,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:34:28,171 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:28,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1301046237, now seen corresponding path program 1 times [2024-11-27 23:34:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792146567] [2024-11-27 23:34:28,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2024-11-27 23:34:32,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:32,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792146567] [2024-11-27 23:34:32,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792146567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:34:32,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:34:32,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:34:32,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004939007] [2024-11-27 23:34:32,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:32,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:34:32,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:32,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:34:32,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:34:32,742 INFO L87 Difference]: Start difference. First operand 31046 states and 45604 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-27 23:34:36,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:34:41,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:34:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:50,687 INFO L93 Difference]: Finished difference Result 72356 states and 108332 transitions. [2024-11-27 23:34:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:34:50,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 444 [2024-11-27 23:34:50,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:51,108 INFO L225 Difference]: With dead ends: 72356 [2024-11-27 23:34:51,109 INFO L226 Difference]: Without dead ends: 41391 [2024-11-27 23:34:51,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:34:51,221 INFO L435 NwaCegarLoop]: 1922 mSDtfsCounter, 2361 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 134 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:51,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2410 Valid, 4924 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 655 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2024-11-27 23:34:51,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41391 states. [2024-11-27 23:34:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41391 to 41360. [2024-11-27 23:34:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41360 states, 29848 states have (on average 1.325281425891182) internal successors, (39557), 30346 states have internal predecessors, (39557), 9075 states have call successors, (9075), 2470 states have call predecessors, (9075), 2436 states have return successors, (13055), 8855 states have call predecessors, (13055), 9071 states have call successors, (13055) [2024-11-27 23:34:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41360 states to 41360 states and 61687 transitions. [2024-11-27 23:34:53,454 INFO L78 Accepts]: Start accepts. Automaton has 41360 states and 61687 transitions. Word has length 444 [2024-11-27 23:34:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:53,455 INFO L471 AbstractCegarLoop]: Abstraction has 41360 states and 61687 transitions. [2024-11-27 23:34:53,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-27 23:34:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 41360 states and 61687 transitions. [2024-11-27 23:34:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-11-27 23:34:53,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:53,462 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:53,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:34:53,462 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:53,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1196754067, now seen corresponding path program 1 times [2024-11-27 23:34:53,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:53,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518909476] [2024-11-27 23:34:53,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:53,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:56,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2024-11-27 23:34:56,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:56,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518909476] [2024-11-27 23:34:56,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518909476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:34:56,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:34:56,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:34:56,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848192216] [2024-11-27 23:34:56,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:56,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:34:56,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:56,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:34:56,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:34:56,829 INFO L87 Difference]: Start difference. First operand 41360 states and 61687 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-27 23:35:00,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:35:05,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []