./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/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_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 21:58:44,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:44,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 21:58:44,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:44,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:44,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:44,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:44,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:44,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:44,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:44,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:44,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:44,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:44,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:44,645 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:44,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:44,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:44,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:44,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:44,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:44,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:44,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:44,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:44,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:44,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:44,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:44,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:44,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:44,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:44,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:44,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:44,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:44,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:44,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:44,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:44,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:44,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:44,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:44,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:44,657 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b [2024-10-31 21:58:44,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:44,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:44,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:44,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:44,942 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:44,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/../../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 Unable to find full path for "g++" [2024-10-31 21:58:47,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:47,644 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:47,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/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 [2024-10-31 21:58:47,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/data/6f3c5391a/7ca34a2ea679431f9029b5aac1a9624e/FLAG0e57b7936 [2024-10-31 21:58:47,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/data/6f3c5391a/7ca34a2ea679431f9029b5aac1a9624e [2024-10-31 21:58:47,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:47,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:47,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:47,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:47,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:47,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:47" (1/1) ... [2024-10-31 21:58:47,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6248bcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:47, skipping insertion in model container [2024-10-31 21:58:47,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:47" (1/1) ... [2024-10-31 21:58:47,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:48,419 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-10-31 21:58:48,420 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-10-31 21:58:48,578 WARN L251 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_0047a3f7-adee-44ee-8aca-8ec42e5b46af/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] [2024-10-31 21:58:49,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:49,071 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:49,161 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-10-31 21:58:49,162 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-10-31 21:58:49,164 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] [2024-10-31 21:58:49,167 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] [2024-10-31 21:58:49,171 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] [2024-10-31 21:58:49,172 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] [2024-10-31 21:58:49,174 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] [2024-10-31 21:58:49,174 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] [2024-10-31 21:58:49,177 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] [2024-10-31 21:58:49,178 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] [2024-10-31 21:58:49,179 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] [2024-10-31 21:58:49,183 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] [2024-10-31 21:58:49,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2024-10-31 21:58:49,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2024-10-31 21:58:49,193 WARN L251 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_0047a3f7-adee-44ee-8aca-8ec42e5b46af/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] [2024-10-31 21:58:49,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:49,402 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:49,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49 WrapperNode [2024-10-31 21:58:49,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:49,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:49,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:49,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:49,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,647 INFO L138 Inliner]: procedures = 120, calls = 709, calls flagged for inlining = 40, calls inlined = 38, statements flattened = 2323 [2024-10-31 21:58:49,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:49,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:49,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:49,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:49,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,874 INFO L175 MemorySlicer]: Split 482 memory accesses to 19 slices as follows [2, 1, 28, 22, 1, 3, 18, 2, 7, 21, 23, 6, 3, 9, 252, 9, 5, 19, 51]. 52 percent of accesses are in the largest equivalence class. The 134 initializations are split as follows [2, 0, 0, 0, 0, 0, 18, 0, 7, 16, 16, 4, 0, 6, 7, 4, 3, 0, 51]. The 145 writes are split as follows [0, 0, 24, 22, 0, 0, 0, 1, 0, 0, 5, 0, 1, 0, 75, 0, 0, 17, 0]. [2024-10-31 21:58:49,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:49,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:50,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:50,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:50,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:50,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:50,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:50,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:50,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (1/1) ... [2024-10-31 21:58:50,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:50,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:50,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:50,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0047a3f7-adee-44ee-8aca-8ec42e5b46af/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2024-10-31 21:58:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2024-10-31 21:58:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-10-31 21:58:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-10-31 21:58:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-10-31 21:58:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-10-31 21:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 21:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 21:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 21:58:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 21:58:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 21:58:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 21:58:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 21:58:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 21:58:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 21:58:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 21:58:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 21:58:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 21:58:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 21:58:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 21:58:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 21:58:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 21:58:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 21:58:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 21:58:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-31 21:58:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-10-31 21:58:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-10-31 21:58:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2024-10-31 21:58:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2024-10-31 21:58:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 21:58:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 21:58:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 21:58:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 21:58:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 21:58:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 21:58:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 21:58:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 21:58:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 21:58:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 21:58:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 21:58:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 21:58:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 21:58:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 21:58:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 21:58:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 21:58:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 21:58:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 21:58:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-31 21:58:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 21:58:50,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 21:58:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:58:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:58:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:58:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:58:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 21:58:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 21:58:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 21:58:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 21:58:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 21:58:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2024-10-31 21:58:50,166 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2024-10-31 21:58:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2024-10-31 21:58:50,166 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2024-10-31 21:58:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 21:58:50,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 21:58:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2024-10-31 21:58:50,167 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2024-10-31 21:58:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2024-10-31 21:58:50,167 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2024-10-31 21:58:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-10-31 21:58:50,167 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-10-31 21:58:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 21:58:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 21:58:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 21:58:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 21:58:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 21:58:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 21:58:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 21:58:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 21:58:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 21:58:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 21:58:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 21:58:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 21:58:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-10-31 21:58:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-10-31 21:58:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2024-10-31 21:58:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2024-10-31 21:58:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-10-31 21:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-10-31 21:58:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 21:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 21:58:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-31 21:58:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-31 21:58:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:58:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:58:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-10-31 21:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-10-31 21:58:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2024-10-31 21:58:50,176 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-31 21:58:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:58:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 21:58:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 21:58:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 21:58:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 21:58:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 21:58:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 21:58:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 21:58:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-10-31 21:58:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-10-31 21:58:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-10-31 21:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-10-31 21:58:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 21:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 21:58:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-10-31 21:58:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2024-10-31 21:58:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 21:58:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 21:58:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2024-10-31 21:58:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2024-10-31 21:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-10-31 21:58:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-10-31 21:58:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2024-10-31 21:58:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2024-10-31 21:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2024-10-31 21:58:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2024-10-31 21:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-10-31 21:58:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-10-31 21:58:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2024-10-31 21:58:50,185 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2024-10-31 21:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:58:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 21:58:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 21:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 21:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 21:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 21:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 21:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 21:58:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2024-10-31 21:58:50,187 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2024-10-31 21:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2024-10-31 21:58:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2024-10-31 21:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2024-10-31 21:58:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2024-10-31 21:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 21:58:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 21:58:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2024-10-31 21:58:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2024-10-31 21:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-31 21:58:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-31 21:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-31 21:58:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-31 21:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:58:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 21:58:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2024-10-31 21:58:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-10-31 21:58:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-10-31 21:58:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2024-10-31 21:58:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2024-10-31 21:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-31 21:58:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-31 21:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2024-10-31 21:58:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2024-10-31 21:58:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2024-10-31 21:58:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2024-10-31 21:58:50,721 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:50,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:50,836 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 21:58:58,766 INFO L? ?]: Removed 821 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:58,766 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:58,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:58,813 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 21:58:58,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:58 BoogieIcfgContainer [2024-10-31 21:58:58,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:58,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:58,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:58,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:58,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:47" (1/3) ... [2024-10-31 21:58:58,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184bbe36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:58, skipping insertion in model container [2024-10-31 21:58:58,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:49" (2/3) ... [2024-10-31 21:58:58,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184bbe36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:58, skipping insertion in model container [2024-10-31 21:58:58,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:58" (3/3) ... [2024-10-31 21:58:58,826 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-10-31 21:58:58,849 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:58,849 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:58:58,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:59,003 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;@396cce0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:59,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:58:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 929 states, 746 states have (on average 1.4195710455764075) internal successors, (1059), 762 states have internal predecessors, (1059), 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) [2024-10-31 21:58:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-31 21:58:59,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:59,033 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:59,034 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:59,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:59,040 INFO L85 PathProgramCache]: Analyzing trace with hash 184313417, now seen corresponding path program 1 times [2024-10-31 21:58:59,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:59,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076616669] [2024-10-31 21:58:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:59,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:59:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:00,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:00,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076616669] [2024-10-31 21:59:00,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076616669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:00,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:00,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:00,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885565523] [2024-10-31 21:59:00,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:00,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:00,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:00,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:00,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:00,933 INFO L87 Difference]: Start difference. First operand has 929 states, 746 states have (on average 1.4195710455764075) internal successors, (1059), 762 states have internal predecessors, (1059), 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 4 states, 4 states have (on average 4.0) 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) [2024-10-31 21:59:05,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 21:59:09,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:09,414 INFO L93 Difference]: Finished difference Result 1917 states and 2761 transitions. [2024-10-31 21:59:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:09,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) 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 [2024-10-31 21:59:09,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:09,449 INFO L225 Difference]: With dead ends: 1917 [2024-10-31 21:59:09,449 INFO L226 Difference]: Without dead ends: 966 [2024-10-31 21:59:09,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:09,462 INFO L432 NwaCegarLoop]: 987 mSDtfsCounter, 397 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 119 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 2519 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:09,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 2519 Invalid, 1082 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [119 Valid, 962 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2024-10-31 21:59:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2024-10-31 21:59:09,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 957. [2024-10-31 21:59:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 774 states have (on average 1.3979328165374676) internal successors, (1082), 784 states have internal predecessors, (1082), 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) [2024-10-31 21:59:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1353 transitions. [2024-10-31 21:59:09,594 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1353 transitions. Word has length 20 [2024-10-31 21:59:09,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:09,595 INFO L471 AbstractCegarLoop]: Abstraction has 957 states and 1353 transitions. [2024-10-31 21:59:09,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) 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) [2024-10-31 21:59:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1353 transitions. [2024-10-31 21:59:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-31 21:59:09,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:09,598 INFO L215 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] [2024-10-31 21:59:09,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:09,598 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:09,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:09,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1150840725, now seen corresponding path program 1 times [2024-10-31 21:59:09,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:09,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890503622] [2024-10-31 21:59:09,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:09,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:59:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 21:59:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:10,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:10,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890503622] [2024-10-31 21:59:10,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890503622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:10,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:10,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:10,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904611180] [2024-10-31 21:59:10,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:10,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:10,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:10,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:10,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:10,794 INFO L87 Difference]: Start difference. First operand 957 states and 1353 transitions. Second operand has 4 states, 4 states have (on average 8.0) 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) [2024-10-31 21:59:14,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []