./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/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_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx --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 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:14:20,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:14:20,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:14:20,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:14:20,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:14:20,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:14:20,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:14:20,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:14:20,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:14:20,687 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:14:20,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:14:20,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:14:20,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:14:20,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:14:20,690 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:14:20,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:14:20,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:14:20,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:14:20,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:14:20,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:14:20,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:14:20,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:14:20,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:14:20,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:14:20,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:14:20,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:14:20,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:14:20,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:14:20,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:20,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:14:20,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:14:20,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:14:20,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:14:20,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:14:20,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:14:20,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:14:20,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:14:20,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:14:20,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:14:20,706 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 [2023-11-21 22:14:21,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:14:21,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:14:21,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:14:21,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:14:21,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:14:21,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/../../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 [2023-11-21 22:14:24,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:14:24,943 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:14:24,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/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 [2023-11-21 22:14:24,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/data/fe2a16b7f/6fd945259c6f469da6f32eb119ebeb2c/FLAGd3e2b73c8 [2023-11-21 22:14:25,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/data/fe2a16b7f/6fd945259c6f469da6f32eb119ebeb2c [2023-11-21 22:14:25,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:14:25,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:14:25,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:25,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:14:25,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:14:25,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:25" (1/1) ... [2023-11-21 22:14:25,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a048e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:25, skipping insertion in model container [2023-11-21 22:14:25,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:25" (1/1) ... [2023-11-21 22:14:25,153 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:14:27,030 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/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] [2023-11-21 22:14:27,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:27,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:14:27,437 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] [2023-11-21 22:14:27,439 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] [2023-11-21 22:14:27,440 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] [2023-11-21 22:14:27,441 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] [2023-11-21 22:14:27,441 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] [2023-11-21 22:14:27,442 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] [2023-11-21 22:14:27,442 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] [2023-11-21 22:14:27,443 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] [2023-11-21 22:14:27,443 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] [2023-11-21 22:14:27,597 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)front) [4941] [2023-11-21 22:14:27,597 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)back) [4942] [2023-11-21 22:14:27,746 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] [2023-11-21 22:14:27,748 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] [2023-11-21 22:14:27,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/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] [2023-11-21 22:14:27,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:27,981 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:14:27,981 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:14:27,988 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:14:27,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27 WrapperNode [2023-11-21 22:14:27,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:27,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:27,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:14:27,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:14:27,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:28,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:28,310 INFO L138 Inliner]: procedures = 319, calls = 1724, calls flagged for inlining = 116, calls inlined = 108, statements flattened = 4196 [2023-11-21 22:14:28,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:28,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:14:28,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:14:28,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:14:28,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:28,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:28,353 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,545 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:14:29,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:14:29,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:14:29,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:14:29,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:14:29,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (1/1) ... [2023-11-21 22:14:29,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:29,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:29,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:29,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc93259c-bafb-421f-b8a1-3f72623c493e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:14:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-21 22:14:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-21 22:14:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2023-11-21 22:14:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2023-11-21 22:14:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-21 22:14:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-21 22:14:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2023-11-21 22:14:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2023-11-21 22:14:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2023-11-21 22:14:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2023-11-21 22:14:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:14:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:14:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:14:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:14:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:14:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:14:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2023-11-21 22:14:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2023-11-21 22:14:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2023-11-21 22:14:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2023-11-21 22:14:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2023-11-21 22:14:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2023-11-21 22:14:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:14:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:14:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2023-11-21 22:14:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2023-11-21 22:14:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-21 22:14:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-21 22:14:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2023-11-21 22:14:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2023-11-21 22:14:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2023-11-21 22:14:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2023-11-21 22:14:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2023-11-21 22:14:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2023-11-21 22:14:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-21 22:14:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-21 22:14:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:14:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:14:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2023-11-21 22:14:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2023-11-21 22:14:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:14:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:14:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-21 22:14:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-21 22:14:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 22:14:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 22:14:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:14:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:14:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2023-11-21 22:14:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2023-11-21 22:14:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:14:29,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:14:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2023-11-21 22:14:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2023-11-21 22:14:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2023-11-21 22:14:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2023-11-21 22:14:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-21 22:14:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-21 22:14:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:14:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:14:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2023-11-21 22:14:29,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2023-11-21 22:14:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:14:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:14:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:14:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:14:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2023-11-21 22:14:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2023-11-21 22:14:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-21 22:14:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-21 22:14:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:14:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2023-11-21 22:14:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2023-11-21 22:14:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-21 22:14:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:14:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:14:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2023-11-21 22:14:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2023-11-21 22:14:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:14:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-21 22:14:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-21 22:14:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:14:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2023-11-21 22:14:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2023-11-21 22:14:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:14:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:14:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-21 22:14:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-21 22:14:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:14:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:14:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:14:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:14:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:14:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:14:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2023-11-21 22:14:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2023-11-21 22:14:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-21 22:14:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-21 22:14:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 22:14:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 22:14:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:14:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2023-11-21 22:14:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2023-11-21 22:14:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 22:14:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 22:14:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:14:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-21 22:14:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-21 22:14:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:14:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2023-11-21 22:14:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2023-11-21 22:14:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2023-11-21 22:14:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2023-11-21 22:14:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2023-11-21 22:14:29,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2023-11-21 22:14:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:14:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:14:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2023-11-21 22:14:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2023-11-21 22:14:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-21 22:14:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-21 22:14:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:14:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:14:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 22:14:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 22:14:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 22:14:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 22:14:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2023-11-21 22:14:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2023-11-21 22:14:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:14:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2023-11-21 22:14:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2023-11-21 22:14:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2023-11-21 22:14:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2023-11-21 22:14:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-21 22:14:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-21 22:14:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:14:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:14:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2023-11-21 22:14:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2023-11-21 22:14:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:14:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:14:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:14:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2023-11-21 22:14:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2023-11-21 22:14:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:14:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:14:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2023-11-21 22:14:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2023-11-21 22:14:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:14:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2023-11-21 22:14:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2023-11-21 22:14:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:14:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:14:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:14:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2023-11-21 22:14:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2023-11-21 22:14:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2023-11-21 22:14:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2023-11-21 22:14:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-21 22:14:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-21 22:14:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-21 22:14:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-21 22:14:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-21 22:14:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-21 22:14:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-21 22:14:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-21 22:14:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2023-11-21 22:14:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2023-11-21 22:14:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 22:14:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 22:14:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:14:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:14:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2023-11-21 22:14:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2023-11-21 22:14:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-21 22:14:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-21 22:14:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:14:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-21 22:14:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-21 22:14:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:14:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:14:30,640 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:14:30,644 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:14:30,929 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:14:43,403 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:14:45,920 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:14:45,921 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:14:45,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:45 BoogieIcfgContainer [2023-11-21 22:14:45,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:14:45,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:14:45,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:14:45,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:14:45,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:14:25" (1/3) ... [2023-11-21 22:14:45,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c00bc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:45, skipping insertion in model container [2023-11-21 22:14:45,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:27" (2/3) ... [2023-11-21 22:14:45,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c00bc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:45, skipping insertion in model container [2023-11-21 22:14:45,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:45" (3/3) ... [2023-11-21 22:14:45,942 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2023-11-21 22:14:45,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:14:45,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:14:46,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:14:46,111 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@46bb1ba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:14:46,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:14:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 1106 states, 686 states have (on average 1.3425655976676385) internal successors, (921), 717 states have internal predecessors, (921), 337 states have call successors, (337), 82 states have call predecessors, (337), 81 states have return successors, (329), 324 states have call predecessors, (329), 329 states have call successors, (329) [2023-11-21 22:14:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-21 22:14:46,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:46,187 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 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] [2023-11-21 22:14:46,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:46,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:46,198 INFO L85 PathProgramCache]: Analyzing trace with hash 677635301, now seen corresponding path program 1 times [2023-11-21 22:14:46,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:46,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797042370] [2023-11-21 22:14:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:46,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:14:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:14:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:14:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:14:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:14:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:14:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:14:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 22:14:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:14:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:14:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-21 22:14:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-21 22:14:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-21 22:14:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-21 22:14:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-21 22:14:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 22:14:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-21 22:14:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-21 22:14:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-21 22:14:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-21 22:14:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-21 22:14:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-21 22:14:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-21 22:14:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-21 22:14:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-11-21 22:14:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-21 22:14:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-21 22:14:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2023-11-21 22:14:49,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:49,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797042370] [2023-11-21 22:14:49,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797042370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:49,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:49,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:14:49,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807177500] [2023-11-21 22:14:49,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:49,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:14:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:49,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:14:49,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:14:49,321 INFO L87 Difference]: Start difference. First operand has 1106 states, 686 states have (on average 1.3425655976676385) internal successors, (921), 717 states have internal predecessors, (921), 337 states have call successors, (337), 82 states have call predecessors, (337), 81 states have return successors, (329), 324 states have call predecessors, (329), 329 states have call successors, (329) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-21 22:14:52,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:14:54,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:14:56,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:01,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:02,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:08,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:09,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:15,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:16,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []