./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/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_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 04:40:40,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:40:40,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:40:40,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:40:40,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:40:40,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:40:40,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:40:40,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:40:40,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:40:40,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:40:40,197 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:40:40,197 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:40:40,198 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:40:40,198 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:40:40,198 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:40:40,199 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:40:40,203 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:40:40,204 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:40:40,204 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:40:40,204 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:40:40,205 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:40:40,210 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:40:40,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:40:40,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:40:40,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:40:40,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:40:40,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:40:40,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:40:40,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:40:40,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:40:40,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:40:40,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:40:40,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:40:40,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:40:40,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:40:40,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:40:40,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:40:40,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:40:40,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:40:40,220 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:40:40,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:40:40,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:40:40,221 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:40:40,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:40:40,222 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d84aaf1bbeeaad95961f54ed37e1470cde0f8db48693fbc09625ca82eacaa0a [2024-11-09 04:40:40,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:40:40,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:40:40,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:40:40,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:40:40,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:40:40,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/../../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++" [2024-11-09 04:40:43,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:40:43,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:40:43,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2024-11-09 04:40:43,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/data/8efe71f27/d8ca7b2507c44ec7b2c88ee8b79a5e35/FLAGff9ff48c8 [2024-11-09 04:40:43,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/data/8efe71f27/d8ca7b2507c44ec7b2c88ee8b79a5e35 [2024-11-09 04:40:43,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:40:43,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:40:43,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:40:43,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:40:43,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:40:43,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:40:43" (1/1) ... [2024-11-09 04:40:43,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e530033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:43, skipping insertion in model container [2024-11-09 04:40:43,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:40:43" (1/1) ... [2024-11-09 04:40:44,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:40:46,657 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_552c6b87-c9f4-400f-8666-cadb95b15e13/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2024-11-09 04:40:46,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:40:47,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:40:47,255 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] [2024-11-09 04:40:47,258 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] [2024-11-09 04:40:47,263 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] [2024-11-09 04:40:47,264 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] [2024-11-09 04:40:47,265 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] [2024-11-09 04:40:47,265 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] [2024-11-09 04:40:47,266 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] [2024-11-09 04:40:47,584 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] [2024-11-09 04:40:47,591 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] [2024-11-09 04:40:47,592 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] [2024-11-09 04:40:47,592 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] [2024-11-09 04:40:47,593 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] [2024-11-09 04:40:47,593 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] [2024-11-09 04:40:47,594 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] [2024-11-09 04:40:47,595 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] [2024-11-09 04:40:47,595 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] [2024-11-09 04:40:47,596 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] [2024-11-09 04:40:47,597 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] [2024-11-09 04:40:47,598 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] [2024-11-09 04:40:47,598 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] [2024-11-09 04:40:47,599 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] [2024-11-09 04:40:47,600 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] [2024-11-09 04:40:47,601 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] [2024-11-09 04:40:47,602 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] [2024-11-09 04:40:47,603 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] [2024-11-09 04:40:47,604 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] [2024-11-09 04:40:47,605 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] [2024-11-09 04:40:47,606 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] [2024-11-09 04:40:47,606 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] [2024-11-09 04:40:47,609 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] [2024-11-09 04:40:47,819 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_552c6b87-c9f4-400f-8666-cadb95b15e13/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2024-11-09 04:40:47,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:40:48,524 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:40:48,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48 WrapperNode [2024-11-09 04:40:48,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:40:48,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:40:48,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:40:48,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:40:48,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:48,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,029 INFO L138 Inliner]: procedures = 245, calls = 6503, calls flagged for inlining = 121, calls inlined = 83, statements flattened = 8033 [2024-11-09 04:40:49,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:40:49,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:40:49,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:40:49,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:40:49,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:40:49,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:40:49,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:40:49,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:40:49,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (1/1) ... [2024-11-09 04:40:49,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:40:49,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:40:49,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:40:49,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552c6b87-c9f4-400f-8666-cadb95b15e13/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:40:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2024-11-09 04:40:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2024-11-09 04:40:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 04:40:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:40:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:40:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2024-11-09 04:40:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2024-11-09 04:40:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2024-11-09 04:40:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2024-11-09 04:40:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2024-11-09 04:40:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2024-11-09 04:40:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2024-11-09 04:40:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2024-11-09 04:40:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2024-11-09 04:40:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2024-11-09 04:40:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 04:40:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 04:40:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:40:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:40:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-09 04:40:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-09 04:40:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 04:40:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 04:40:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 04:40:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 04:40:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:40:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-09 04:40:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-09 04:40:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 04:40:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:40:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 04:40:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 04:40:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 04:40:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2024-11-09 04:40:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2024-11-09 04:40:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 04:40:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 04:40:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-09 04:40:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-09 04:40:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 04:40:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 04:40:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 04:40:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 04:40:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 04:40:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:40:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-09 04:40:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-09 04:40:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 04:40:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 04:40:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2024-11-09 04:40:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2024-11-09 04:40:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:40:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-09 04:40:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-09 04:40:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-09 04:40:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-09 04:40:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 04:40:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 04:40:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:40:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:40:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 04:40:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2024-11-09 04:40:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2024-11-09 04:40:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2024-11-09 04:40:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2024-11-09 04:40:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 04:40:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 04:40:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-09 04:40:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-09 04:40:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2024-11-09 04:40:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2024-11-09 04:40:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2024-11-09 04:40:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2024-11-09 04:40:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 04:40:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 04:40:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:40:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2024-11-09 04:40:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2024-11-09 04:40:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-09 04:40:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-09 04:40:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:40:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:40:50,144 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:40:50,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:43:33,813 INFO L? ?]: Removed 912 outVars from TransFormulas that were not future-live. [2024-11-09 04:43:33,814 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:43:54,547 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:43:54,551 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 04:43:54,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:54 BoogieIcfgContainer [2024-11-09 04:43:54,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:43:54,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:43:54,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:43:54,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:43:54,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:40:43" (1/3) ... [2024-11-09 04:43:54,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38583ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:54, skipping insertion in model container [2024-11-09 04:43:54,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:48" (2/3) ... [2024-11-09 04:43:54,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38583ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:54, skipping insertion in model container [2024-11-09 04:43:54,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:54" (3/3) ... [2024-11-09 04:43:54,568 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2024-11-09 04:43:54,591 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:43:54,592 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:43:54,729 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:43:54,738 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;@6b120efa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:43:54,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:43:54,747 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) [2024-11-09 04:43:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 04:43:54,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:54,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:54,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:43:54,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:54,771 INFO L85 PathProgramCache]: Analyzing trace with hash -395889542, now seen corresponding path program 1 times [2024-11-09 04:43:54,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:54,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656789749] [2024-11-09 04:43:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:54,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms