./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC --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 c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:45,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:45,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 22:34:45,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:45,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:45,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:45,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:45,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:45,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:45,545 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:45,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:45,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:45,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:45,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:45,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:45,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:45,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:34:45,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:45,552 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:45,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:45,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:45,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:45,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:45,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:45,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:45,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:45,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:45,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:45,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:45,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:45,559 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:34:45,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:34:45,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:34:45,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:34:45,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:45,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:45,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:45,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:45,560 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_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC 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 -> c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b [2024-11-23 22:34:45,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:45,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:45,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:45,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:45,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:45,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-23 22:34:49,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/data/13440a9f2/42869197d69545379ee53278d31ffb0c/FLAGe99f4d5c3 [2024-11-23 22:34:49,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:49,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-23 22:34:49,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/data/13440a9f2/42869197d69545379ee53278d31ffb0c/FLAGe99f4d5c3 [2024-11-23 22:34:49,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/data/13440a9f2/42869197d69545379ee53278d31ffb0c [2024-11-23 22:34:49,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:34:49,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:34:49,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:49,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:34:49,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:34:49,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:49" (1/1) ... [2024-11-23 22:34:49,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90d5c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:49, skipping insertion in model container [2024-11-23 22:34:49,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:49" (1/1) ... [2024-11-23 22:34:50,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:34:50,490 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-11-23 22:34:50,491 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-11-23 22:34:50,687 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_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i[83666,83679] [2024-11-23 22:34:51,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:51,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:34:51,279 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-11-23 22:34:51,280 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-11-23 22:34:51,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2634] [2024-11-23 22:34:51,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (4*32+23)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6641:\n\t.popsection": "=a" (res): "D" (w)); [2643] [2024-11-23 22:34:51,326 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)); [2687-2688] [2024-11-23 22:34:51,328 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"); [2693-2696] [2024-11-23 22:34:51,330 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" (804), "i" (12UL)); [2719-2720] [2024-11-23 22:34:51,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2725-2727] [2024-11-23 22:34:51,334 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" (809), "i" (12UL)); [2749-2750] [2024-11-23 22:34:51,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [2755-2757] [2024-11-23 22:34:51,335 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" (814), "i" (12UL)); [2778-2779] [2024-11-23 22:34:51,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2784-2786] [2024-11-23 22:34:51,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2024-11-23 22:34:51,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2024-11-23 22:34:51,344 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_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i[83666,83679] [2024-11-23 22:34:51,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:51,564 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:34:51,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51 WrapperNode [2024-11-23 22:34:51,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:51,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:51,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:34:51,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:34:51,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,809 INFO L138 Inliner]: procedures = 120, calls = 709, calls flagged for inlining = 40, calls inlined = 38, statements flattened = 2317 [2024-11-23 22:34:51,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:51,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:34:51,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:34:51,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:34:51,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:51,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,036 INFO L175 MemorySlicer]: Split 482 memory accesses to 19 slices as follows [2, 28, 2, 22, 18, 3, 1, 1, 7, 21, 51, 23, 6, 9, 9, 3, 5, 252, 19]. 52 percent of accesses are in the largest equivalence class. The 134 initializations are split as follows [2, 0, 0, 0, 18, 0, 0, 0, 7, 16, 51, 16, 4, 6, 4, 0, 3, 7, 0]. The 145 writes are split as follows [0, 24, 1, 22, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 1, 0, 75, 17]. [2024-11-23 22:34:52,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:34:52,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:34:52,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:34:52,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:34:52,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (1/1) ... [2024-11-23 22:34:52,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:52,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:52,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:34:52,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:34:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2024-11-23 22:34:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2024-11-23 22:34:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-23 22:34:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-23 22:34:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-11-23 22:34:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-11-23 22:34:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 22:34:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 22:34:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 22:34:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 22:34:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 22:34:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 22:34:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 22:34:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 22:34:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 22:34:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 22:34:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 22:34:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 22:34:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 22:34:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 22:34:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 22:34:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 22:34:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 22:34:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 22:34:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 22:34:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 22:34:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 22:34:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2024-11-23 22:34:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2024-11-23 22:34:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 22:34:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 22:34:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 22:34:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 22:34:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 22:34:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 22:34:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 22:34:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 22:34:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 22:34:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 22:34:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2024-11-23 22:34:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2024-11-23 22:34:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 22:34:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2024-11-23 22:34:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2024-11-23 22:34:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2024-11-23 22:34:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-11-23 22:34:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 22:34:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 22:34:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 22:34:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 22:34:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-23 22:34:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-23 22:34:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2024-11-23 22:34:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2024-11-23 22:34:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-23 22:34:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-23 22:34:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 22:34:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 22:34:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 22:34:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 22:34:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:34:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:34:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:34:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-11-23 22:34:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-11-23 22:34:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:34:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2024-11-23 22:34:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2024-11-23 22:34:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 22:34:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 22:34:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 22:34:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 22:34:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 22:34:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 22:34:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 22:34:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-23 22:34:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-23 22:34:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-23 22:34:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 22:34:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 22:34:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-23 22:34:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-23 22:34:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2024-11-23 22:34:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2024-11-23 22:34:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 22:34:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 22:34:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 22:34:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2024-11-23 22:34:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-23 22:34:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2024-11-23 22:34:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2024-11-23 22:34:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-23 22:34:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-23 22:34:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2024-11-23 22:34:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2024-11-23 22:34:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2024-11-23 22:34:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2024-11-23 22:34:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2024-11-23 22:34:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2024-11-23 22:34:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 22:34:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 22:34:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2024-11-23 22:34:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 22:34:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-23 22:34:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 22:34:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2024-11-23 22:34:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-23 22:34:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2024-11-23 22:34:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 22:34:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:34:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2024-11-23 22:34:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2024-11-23 22:34:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2024-11-23 22:34:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2024-11-23 22:34:52,918 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:34:52,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:34:53,017 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 22:35:01,045 INFO L? ?]: Removed 820 outVars from TransFormulas that were not future-live. [2024-11-23 22:35:01,045 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:35:01,073 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:35:01,073 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 22:35:01,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:01 BoogieIcfgContainer [2024-11-23 22:35:01,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:35:01,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:35:01,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:35:01,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:35:01,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:34:49" (1/3) ... [2024-11-23 22:35:01,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4befb0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:01, skipping insertion in model container [2024-11-23 22:35:01,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:51" (2/3) ... [2024-11-23 22:35:01,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4befb0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:01, skipping insertion in model container [2024-11-23 22:35:01,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:01" (3/3) ... [2024-11-23 22:35:01,084 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-23 22:35:01,100 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:35:01,103 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i that has 46 procedures, 929 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-23 22:35:01,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:35:01,213 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;@62c90eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:35:01,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:35:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 928 states, 745 states have (on average 1.4201342281879195) internal successors, (1058), 761 states have internal predecessors, (1058), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-23 22:35:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 22:35:01,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:01,234 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:01,234 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:01,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:01,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1658315213, now seen corresponding path program 1 times [2024-11-23 22:35:01,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:01,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925032285] [2024-11-23 22:35:01,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:01,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:35:02,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:02,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925032285] [2024-11-23 22:35:02,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925032285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:02,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:02,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:02,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25519445] [2024-11-23 22:35:02,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:02,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:02,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:03,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:03,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:03,020 INFO L87 Difference]: Start difference. First operand has 928 states, 745 states have (on average 1.4201342281879195) internal successors, (1058), 761 states have internal predecessors, (1058), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:35:03,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:03,320 INFO L93 Difference]: Finished difference Result 1906 states and 2746 transitions. [2024-11-23 22:35:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:03,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-23 22:35:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:03,348 INFO L225 Difference]: With dead ends: 1906 [2024-11-23 22:35:03,348 INFO L226 Difference]: Without dead ends: 956 [2024-11-23 22:35:03,358 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 [2024-11-23 22:35:03,361 INFO L435 NwaCegarLoop]: 1312 mSDtfsCounter, 76 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 2604 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:03,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 2604 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:35:03,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-23 22:35:03,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2024-11-23 22:35:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 773 states have (on average 1.3984476067270375) internal successors, (1081), 783 states have internal predecessors, (1081), 136 states have call successors, (136), 47 states have call predecessors, (136), 46 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-23 22:35:03,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1352 transitions. [2024-11-23 22:35:03,504 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1352 transitions. Word has length 20 [2024-11-23 22:35:03,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:03,505 INFO L471 AbstractCegarLoop]: Abstraction has 956 states and 1352 transitions. [2024-11-23 22:35:03,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:35:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1352 transitions. [2024-11-23 22:35:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-23 22:35:03,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:03,511 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-23 22:35:03,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:35:03,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:03,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:03,513 INFO L85 PathProgramCache]: Analyzing trace with hash -633602070, now seen corresponding path program 1 times [2024-11-23 22:35:03,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:03,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852853605] [2024-11-23 22:35:03,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 22:35:04,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:04,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852853605] [2024-11-23 22:35:04,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852853605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:04,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:04,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:04,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63020688] [2024-11-23 22:35:04,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:04,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:04,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:04,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:04,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:04,832 INFO L87 Difference]: Start difference. First operand 956 states and 1352 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 22:35:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:05,039 INFO L93 Difference]: Finished difference Result 1928 states and 2735 transitions. [2024-11-23 22:35:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:05,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-23 22:35:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:05,051 INFO L225 Difference]: With dead ends: 1928 [2024-11-23 22:35:05,052 INFO L226 Difference]: Without dead ends: 988 [2024-11-23 22:35:05,054 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 [2024-11-23 22:35:05,058 INFO L435 NwaCegarLoop]: 1279 mSDtfsCounter, 18 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:05,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2555 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:35:05,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-23 22:35:05,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 960. [2024-11-23 22:35:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 777 states have (on average 1.398970398970399) internal successors, (1087), 787 states have internal predecessors, (1087), 136 states have call successors, (136), 47 states have call predecessors, (136), 46 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-23 22:35:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1358 transitions. [2024-11-23 22:35:05,124 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1358 transitions. Word has length 41 [2024-11-23 22:35:05,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:05,125 INFO L471 AbstractCegarLoop]: Abstraction has 960 states and 1358 transitions. [2024-11-23 22:35:05,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 22:35:05,126 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1358 transitions. [2024-11-23 22:35:05,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 22:35:05,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:05,128 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-23 22:35:05,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:35:05,129 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:05,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:05,130 INFO L85 PathProgramCache]: Analyzing trace with hash 587015590, now seen corresponding path program 1 times [2024-11-23 22:35:05,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:05,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633802383] [2024-11-23 22:35:05,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:05,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 22:35:06,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:06,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633802383] [2024-11-23 22:35:06,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633802383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:35:06,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184305053] [2024-11-23 22:35:06,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:06,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:06,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:06,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:06,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:35:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:07,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:35:07,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 22:35:07,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:07,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184305053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:07,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:35:07,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 22:35:07,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597867355] [2024-11-23 22:35:07,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:07,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:07,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:07,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:07,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:35:07,938 INFO L87 Difference]: Start difference. First operand 960 states and 1358 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 22:35:08,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:08,028 INFO L93 Difference]: Finished difference Result 964 states and 1362 transitions. [2024-11-23 22:35:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:08,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-23 22:35:08,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:08,040 INFO L225 Difference]: With dead ends: 964 [2024-11-23 22:35:08,040 INFO L226 Difference]: Without dead ends: 961 [2024-11-23 22:35:08,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:35:08,046 INFO L435 NwaCegarLoop]: 1289 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:08,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2572 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:08,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-23 22:35:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2024-11-23 22:35:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 778 states have (on average 1.398457583547558) internal successors, (1088), 788 states have internal predecessors, (1088), 136 states have call successors, (136), 47 states have call predecessors, (136), 46 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-23 22:35:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1359 transitions. [2024-11-23 22:35:08,113 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1359 transitions. Word has length 43 [2024-11-23 22:35:08,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:08,113 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1359 transitions. [2024-11-23 22:35:08,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 22:35:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1359 transitions. [2024-11-23 22:35:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-23 22:35:08,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:08,117 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-23 22:35:08,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:08,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:08,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:08,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:08,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1465834714, now seen corresponding path program 1 times [2024-11-23 22:35:08,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:08,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657339761] [2024-11-23 22:35:08,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:08,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 22:35:09,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:09,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657339761] [2024-11-23 22:35:09,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657339761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:35:09,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27406199] [2024-11-23 22:35:09,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:09,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:09,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:09,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:09,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:35:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:10,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:35:10,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 22:35:11,041 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:11,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27406199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:11,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:35:11,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 22:35:11,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578989469] [2024-11-23 22:35:11,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:11,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:11,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:11,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:11,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:35:11,043 INFO L87 Difference]: Start difference. First operand 961 states and 1359 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 22:35:11,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:11,228 INFO L93 Difference]: Finished difference Result 1955 states and 2774 transitions. [2024-11-23 22:35:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:11,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2024-11-23 22:35:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:11,237 INFO L225 Difference]: With dead ends: 1955 [2024-11-23 22:35:11,237 INFO L226 Difference]: Without dead ends: 1010 [2024-11-23 22:35:11,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:35:11,242 INFO L435 NwaCegarLoop]: 1283 mSDtfsCounter, 73 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 2537 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:11,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 2537 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:35:11,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-23 22:35:11,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2024-11-23 22:35:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 825 states have (on average 1.4012121212121211) internal successors, (1156), 835 states have internal predecessors, (1156), 137 states have call successors, (137), 48 states have call predecessors, (137), 47 states have return successors, (136), 131 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-23 22:35:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1429 transitions. [2024-11-23 22:35:11,305 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1429 transitions. Word has length 45 [2024-11-23 22:35:11,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:11,305 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1429 transitions. [2024-11-23 22:35:11,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 22:35:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1429 transitions. [2024-11-23 22:35:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-23 22:35:11,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:11,312 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:11,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:11,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:11,512 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:11,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:11,513 INFO L85 PathProgramCache]: Analyzing trace with hash -211945513, now seen corresponding path program 1 times [2024-11-23 22:35:11,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:11,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006793605] [2024-11-23 22:35:11,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:11,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 22:35:12,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:12,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006793605] [2024-11-23 22:35:12,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006793605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:35:12,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518744579] [2024-11-23 22:35:12,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:12,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:12,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:12,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:12,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:35:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:13,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:35:13,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 22:35:14,286 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:14,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518744579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:14,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:35:14,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-23 22:35:14,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112500465] [2024-11-23 22:35:14,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:14,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:35:14,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:14,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:35:14,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:35:14,288 INFO L87 Difference]: Start difference. First operand 1010 states and 1429 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 22:35:14,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:14,391 INFO L93 Difference]: Finished difference Result 1996 states and 2833 transitions. [2024-11-23 22:35:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:35:14,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2024-11-23 22:35:14,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:14,394 INFO L225 Difference]: With dead ends: 1996 [2024-11-23 22:35:14,394 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:35:14,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:35:14,399 INFO L435 NwaCegarLoop]: 1277 mSDtfsCounter, 1241 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:14,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 2553 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:14,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:35:14,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:35:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:35:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:35:14,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2024-11-23 22:35:14,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:14,404 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:35:14,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 22:35:14,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:35:14,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:35:14,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:35:14,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 22:35:14,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:14,612 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 22:35:14,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:35:16,671 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:35:16,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:35:16 BoogieIcfgContainer [2024-11-23 22:35:16,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:35:16,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:35:16,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:35:16,696 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:35:16,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:01" (3/4) ... [2024-11-23 22:35:16,703 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:35:16,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_get_drvdata [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_unregister_device [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_trigger [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_close [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_time [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure analog_poll [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure analog_disconnect [2024-11-23 22:35:16,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_disable [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure strlcat [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_open [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_on [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_event [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_set_abs_params [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_restore [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __arch_hweight32 [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_off [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_set_drvdata [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __arch_hweight16 [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_get_drvdata [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_bit [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure analog_decode [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_cooked_read [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_irqs_disabled_flags [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_report_key [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure paravirt_read_tsc [2024-11-23 22:35:16,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_save [2024-11-23 22:35:16,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-23 22:35:16,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __arch_hweight8 [2024-11-23 22:35:16,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure analog_cooked_read [2024-11-23 22:35:16,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_report_abs [2024-11-23 22:35:16,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure analog_button_read [2024-11-23 22:35:16,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_read [2024-11-23 22:35:16,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_set_drvdata [2024-11-23 22:35:16,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2024-11-23 22:35:16,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2024-11-23 22:35:16,773 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-23 22:35:16,777 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 22:35:16,780 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 22:35:16,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 22:35:16,792 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:35:17,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:35:17,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:35:17,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:35:17,141 INFO L158 Benchmark]: Toolchain (without parser) took 27209.78ms. Allocated memory was 117.4MB in the beginning and 746.6MB in the end (delta: 629.1MB). Free memory was 87.5MB in the beginning and 322.9MB in the end (delta: -235.4MB). Peak memory consumption was 386.1MB. Max. memory is 16.1GB. [2024-11-23 22:35:17,141 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:17,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1632.81ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 59.4MB in the end (delta: 27.8MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-11-23 22:35:17,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 243.62ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 44.6MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:35:17,142 INFO L158 Benchmark]: Boogie Preprocessor took 407.68ms. Allocated memory is still 117.4MB. Free memory was 44.6MB in the beginning and 45.8MB in the end (delta: -1.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-23 22:35:17,143 INFO L158 Benchmark]: RCFGBuilder took 8854.79ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 45.8MB in the beginning and 107.2MB in the end (delta: -61.4MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2024-11-23 22:35:17,144 INFO L158 Benchmark]: TraceAbstraction took 15619.44ms. Allocated memory was 243.3MB in the beginning and 746.6MB in the end (delta: 503.3MB). Free memory was 107.2MB in the beginning and 360.3MB in the end (delta: -253.1MB). Peak memory consumption was 249.9MB. Max. memory is 16.1GB. [2024-11-23 22:35:17,144 INFO L158 Benchmark]: Witness Printer took 443.91ms. Allocated memory is still 746.6MB. Free memory was 360.3MB in the beginning and 322.9MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 22:35:17,146 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1632.81ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 59.4MB in the end (delta: 27.8MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 243.62ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 44.6MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 407.68ms. Allocated memory is still 117.4MB. Free memory was 44.6MB in the beginning and 45.8MB in the end (delta: -1.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8854.79ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 45.8MB in the beginning and 107.2MB in the end (delta: -61.4MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15619.44ms. Allocated memory was 243.3MB in the beginning and 746.6MB in the end (delta: 503.3MB). Free memory was 107.2MB in the beginning and 360.3MB in the end (delta: -253.1MB). Peak memory consumption was 249.9MB. Max. memory is 16.1GB. * Witness Printer took 443.91ms. Allocated memory is still 746.6MB. Free memory was 360.3MB in the beginning and 322.9MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2634]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2634] - GenericResultAtLocation [Line: 2643]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (4*32+23)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6641:\n\t.popsection": "=a" (res): "D" (w)); [2643] - GenericResultAtLocation [Line: 2687]: 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)); [2687-2688] - GenericResultAtLocation [Line: 2693]: 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"); [2693-2696] - GenericResultAtLocation [Line: 2719]: 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" (804), "i" (12UL)); [2719-2720] - GenericResultAtLocation [Line: 2725]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2725-2727] - GenericResultAtLocation [Line: 2749]: 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" (809), "i" (12UL)); [2749-2750] - GenericResultAtLocation [Line: 2755]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [2755-2757] - GenericResultAtLocation [Line: 2778]: 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" (814), "i" (12UL)); [2778-2779] - GenericResultAtLocation [Line: 2784]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2784-2786] - GenericResultAtLocation [Line: 2810]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] - GenericResultAtLocation [Line: 2818]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2888]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 929 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1409 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1408 mSDsluCounter, 12821 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6381 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 6440 mSDtfsCounter, 69 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1010occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 28 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 491 SizeOfPredicates, 1 NumberOfNonLiveVariables, 4384 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 57/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3840]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3944]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3900]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3471]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3462]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3561]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 3462]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3597]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 3995]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3558]: Loop Invariant Derived loop invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2024-11-23 22:35:17,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d1947d-ce0e-4853-8bf6-14028f4a0ddc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE