./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d84aaf1bbeeaad95961f54ed37e1470cde0f8db48693fbc09625ca82eacaa0a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:37:53,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:37:53,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:37:53,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:37:53,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:37:53,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:37:53,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:37:53,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:37:53,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:37:53,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:37:53,486 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:37:53,487 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:37:53,487 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:37:53,488 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:37:53,488 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:37:53,488 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:37:53,488 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:37:53,488 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:37:53,489 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:37:53,489 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:37:53,489 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:37:53,489 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:37:53,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:37:53,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:37:53,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:37:53,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:37:53,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:37:53,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:37:53,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:37:53,491 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:37:53,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:37:53,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:37:53,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:37:53,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:37:53,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:37:53,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:37:53,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:37:53,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:37:53,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:37:53,493 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:37:53,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:37:53,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:37:53,494 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:37:53,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:37:53,494 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 1d84aaf1bbeeaad95961f54ed37e1470cde0f8db48693fbc09625ca82eacaa0a [2024-11-14 03:37:53,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:37:53,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:37:53,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:37:53,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:37:53,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:37:53,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i Unable to find full path for "g++" [2024-11-14 03:37:55,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:37:56,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:37:56,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2024-11-14 03:37:56,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/data/d4f9787e8/f0cde0201b6943659598c43d81368aba/FLAGc60460310 [2024-11-14 03:37:56,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/data/d4f9787e8/f0cde0201b6943659598c43d81368aba [2024-11-14 03:37:56,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:37:56,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:37:56,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:37:56,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:37:56,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:37:56,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:37:56" (1/1) ... [2024-11-14 03:37:56,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9cd701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:37:56, skipping insertion in model container [2024-11-14 03:37:56,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:37:56" (1/1) ... [2024-11-14 03:37:56,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:37:58,744 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_d0dafc7e-36ee-438e-b51d-743473c588a8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2024-11-14 03:37:58,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:37:59,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:37:59,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2870] [2024-11-14 03:37:59,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2878-2879] [2024-11-14 03:37:59,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [2950-2951] [2024-11-14 03:37:59,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [2962-2963] [2024-11-14 03:37:59,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2966-2967] [2024-11-14 03:37:59,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2970-2971] [2024-11-14 03:37:59,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2974-2975] [2024-11-14 03:37:59,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (buf + i), "i" (1UL)); [5470-5471] [2024-11-14 03:37:59,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5568] [2024-11-14 03:37:59,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5571] [2024-11-14 03:37:59,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5574] [2024-11-14 03:37:59,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5577] [2024-11-14 03:37:59,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5580] [2024-11-14 03:37:59,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5591-5592] [2024-11-14 03:37:59,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5595-5596] [2024-11-14 03:37:59,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5599-5600] [2024-11-14 03:37:59,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5603-5604] [2024-11-14 03:37:59,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5607-5608] [2024-11-14 03:37:59,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5623-5624] [2024-11-14 03:37:59,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5627-5628] [2024-11-14 03:37:59,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5631-5632] [2024-11-14 03:37:59,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5635-5636] [2024-11-14 03:37:59,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5639-5640] [2024-11-14 03:37:59,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)arg), "i" (4UL)); [5648-5649] [2024-11-14 03:37:59,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5662-5663] [2024-11-14 03:37:59,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5666-5667] [2024-11-14 03:37:59,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5670-5671] [2024-11-14 03:37:59,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5674-5675] [2024-11-14 03:37:59,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5678-5679] [2024-11-14 03:37:59,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((int *)arg), "i" (4UL)); [5689-5690] [2024-11-14 03:37:59,556 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_d0dafc7e-36ee-438e-b51d-743473c588a8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2024-11-14 03:37:59,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:38:00,310 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:38:00,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00 WrapperNode [2024-11-14 03:38:00,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:38:00,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:38:00,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:38:00,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:38:00,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:00,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:00,858 INFO L138 Inliner]: procedures = 245, calls = 6503, calls flagged for inlining = 121, calls inlined = 83, statements flattened = 8033 [2024-11-14 03:38:00,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:38:00,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:38:00,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:38:00,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:38:00,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:00,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:00,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:00,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:01,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:01,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:01,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:01,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:01,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:38:01,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:38:01,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:38:01,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:38:01,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (1/1) ... [2024-11-14 03:38:01,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:38:01,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:01,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:38:01,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dafc7e-36ee-438e-b51d-743473c588a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:38:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2024-11-14 03:38:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2024-11-14 03:38:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 03:38:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 03:38:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 03:38:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2024-11-14 03:38:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2024-11-14 03:38:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2024-11-14 03:38:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2024-11-14 03:38:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2024-11-14 03:38:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2024-11-14 03:38:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2024-11-14 03:38:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2024-11-14 03:38:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2024-11-14 03:38:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2024-11-14 03:38:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 03:38:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 03:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 03:38:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 03:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-14 03:38:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-14 03:38:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-14 03:38:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-14 03:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-14 03:38:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-14 03:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-14 03:38:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-14 03:38:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:38:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:38:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:38:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-14 03:38:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-14 03:38:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2024-11-14 03:38:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2024-11-14 03:38:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-14 03:38:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-14 03:38:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-14 03:38:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-14 03:38:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-14 03:38:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 03:38:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-14 03:38:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 03:38:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2024-11-14 03:38:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:38:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-14 03:38:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-14 03:38:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-14 03:38:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-14 03:38:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-14 03:38:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-14 03:38:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:38:01,310 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2024-11-14 03:38:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2024-11-14 03:38:01,310 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-14 03:38:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-14 03:38:01,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:38:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:38:01,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:38:01,918 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:40:06,604 INFO L? ?]: Removed 912 outVars from TransFormulas that were not future-live. [2024-11-14 03:40:06,605 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:40:28,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:40:28,185 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 03:40:28,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:28 BoogieIcfgContainer [2024-11-14 03:40:28,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:40:28,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:40:28,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:40:28,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:40:28,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:37:56" (1/3) ... [2024-11-14 03:40:28,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2317d202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:28, skipping insertion in model container [2024-11-14 03:40:28,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:00" (2/3) ... [2024-11-14 03:40:28,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2317d202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:28, skipping insertion in model container [2024-11-14 03:40:28,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:28" (3/3) ... [2024-11-14 03:40:28,204 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2024-11-14 03:40:28,230 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:40:28,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i that has 35 procedures, 569 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 03:40:28,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:40:28,376 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=FINITE_AUTOMATA, 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;@6fcfa232, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:40:28,376 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:40:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 569 states, 353 states have (on average 1.3739376770538243) internal successors, (485), 366 states have internal predecessors, (485), 180 states have call successors, (180), 34 states have call predecessors, (180), 34 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2024-11-14 03:40:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:40:28,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:28,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:40:28,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:40:28,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:28,410 INFO L85 PathProgramCache]: Analyzing trace with hash -395889542, now seen corresponding path program 1 times [2024-11-14 03:40:28,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:28,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228671296] [2024-11-14 03:40:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms