./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ --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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:15:06,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:15:06,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:15:06,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:15:06,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:15:06,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:15:06,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:15:06,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:15:06,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:15:06,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:15:06,704 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:15:06,705 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:15:06,706 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:15:06,706 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:15:06,707 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:15:06,707 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:15:06,708 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:15:06,709 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:15:06,709 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:15:06,710 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:15:06,710 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:15:06,711 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:15:06,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:15:06,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:15:06,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:15:06,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:15:06,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:15:06,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:15:06,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:15:06,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:15:06,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:15:06,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:15:06,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:15:06,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:06,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:15:06,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:15:06,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:15:06,720 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:15:06,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:15:06,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:15:06,722 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:15:06,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:15:06,723 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_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2023-11-19 04:15:07,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:15:07,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:15:07,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:15:07,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:15:07,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:15:07,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 04:15:10,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:15:11,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:15:11,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 04:15:11,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data/41368faf5/0cf346f95866404d96936dce7e1ee6dd/FLAGab4ee3a92 [2023-11-19 04:15:11,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data/41368faf5/0cf346f95866404d96936dce7e1ee6dd [2023-11-19 04:15:11,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:15:11,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:15:11,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:11,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:15:11,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:15:11,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:11" (1/1) ... [2023-11-19 04:15:11,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c83615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:11, skipping insertion in model container [2023-11-19 04:15:11,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:11" (1/1) ... [2023-11-19 04:15:11,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:15:13,566 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 04:15:13,739 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 04:15:13,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:13,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:15:13,950 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"); [3188] [2023-11-19 04:15:13,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3195] [2023-11-19 04:15:13,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3202] [2023-11-19 04:15:13,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [3210] [2023-11-19 04:15:13,960 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"); [3253-3254] [2023-11-19 04:15:13,961 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"); [3257-3258] [2023-11-19 04:15:13,961 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"); [3261-3262] [2023-11-19 04:15:13,962 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"); [3265-3266] [2023-11-19 04:15:14,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5167] [2023-11-19 04:15:14,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5170] [2023-11-19 04:15:14,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5173] [2023-11-19 04:15:14,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5176] [2023-11-19 04:15:14,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp->state): : "memory", "cc"); [5347-5348] [2023-11-19 04:15:14,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5352-5353] [2023-11-19 04:15:14,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5357-5358] [2023-11-19 04:15:14,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5362-5363] [2023-11-19 04:15:14,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___3->state): : "memory", "cc"); [5375-5376] [2023-11-19 04:15:14,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [5380-5381] [2023-11-19 04:15:14,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [5385-5386] [2023-11-19 04:15:14,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5390-5391] [2023-11-19 04:15:14,236 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 04:15:14,252 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 04:15:14,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:14,332 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:14,332 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:14,332 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:14,333 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:14,333 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:14,342 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:15:14,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14 WrapperNode [2023-11-19 04:15:14,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:14,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:14,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:15:14,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:15:14,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,590 INFO L138 Inliner]: procedures = 259, calls = 1908, calls flagged for inlining = 102, calls inlined = 33, statements flattened = 1682 [2023-11-19 04:15:14,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:14,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:15:14,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:15:14,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:15:14,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:15:14,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:15:14,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:15:14,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:15:14,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (1/1) ... [2023-11-19 04:15:14,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:15:14,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:15:14,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:15:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2023-11-19 04:15:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2023-11-19 04:15:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:15:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:15:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 04:15:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 04:15:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:15:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:15:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2023-11-19 04:15:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2023-11-19 04:15:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:15:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:15:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:15:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:15:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 04:15:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 04:15:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2023-11-19 04:15:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2023-11-19 04:15:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:15:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:15:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:15:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:15:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:15:14,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:15:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:15:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:15:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-11-19 04:15:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-11-19 04:15:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:15:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:15:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:15:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:15:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:15:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:15:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:15:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 04:15:14,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 04:15:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:15:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:15:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 04:15:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 04:15:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:15:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2023-11-19 04:15:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2023-11-19 04:15:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:15:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:15:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:15:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:15:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:15:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:15:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 04:15:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 04:15:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:15:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 04:15:14,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 04:15:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:15:14,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:15:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:15:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:15:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:15:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2023-11-19 04:15:14,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2023-11-19 04:15:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:15:14,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:15:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:15:14,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:15:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 04:15:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 04:15:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:15:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:15:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:15:15,268 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:15:15,272 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:15:18,317 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:15:19,272 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:15:19,273 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:15:19,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:19 BoogieIcfgContainer [2023-11-19 04:15:19,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:15:19,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:15:19,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:15:19,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:15:19,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:15:11" (1/3) ... [2023-11-19 04:15:19,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5b145d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:19, skipping insertion in model container [2023-11-19 04:15:19,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14" (2/3) ... [2023-11-19 04:15:19,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5b145d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:19, skipping insertion in model container [2023-11-19 04:15:19,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:19" (3/3) ... [2023-11-19 04:15:19,306 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 04:15:19,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:15:19,331 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:15:19,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:15:19,445 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@502f08a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:15:19,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:15:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 265 states, 174 states have (on average 1.4540229885057472) internal successors, (253), 185 states have internal predecessors, (253), 62 states have call successors, (62), 27 states have call predecessors, (62), 27 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 04:15:19,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:15:19,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:19,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:19,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:19,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash -284420587, now seen corresponding path program 1 times [2023-11-19 04:15:19,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:19,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387864465] [2023-11-19 04:15:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:19,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:15:20,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:20,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387864465] [2023-11-19 04:15:20,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387864465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:20,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:20,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:15:20,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580835149] [2023-11-19 04:15:20,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:20,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:20,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:20,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:20,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:20,418 INFO L87 Difference]: Start difference. First operand has 265 states, 174 states have (on average 1.4540229885057472) internal successors, (253), 185 states have internal predecessors, (253), 62 states have call successors, (62), 27 states have call predecessors, (62), 27 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:15:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:20,862 INFO L93 Difference]: Finished difference Result 617 states and 886 transitions. [2023-11-19 04:15:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:20,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 04:15:20,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:20,893 INFO L225 Difference]: With dead ends: 617 [2023-11-19 04:15:20,900 INFO L226 Difference]: Without dead ends: 349 [2023-11-19 04:15:20,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:20,918 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 114 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:20,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 644 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:15:20,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-11-19 04:15:21,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 314. [2023-11-19 04:15:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 213 states have (on average 1.4694835680751173) internal successors, (313), 222 states have internal predecessors, (313), 69 states have call successors, (69), 32 states have call predecessors, (69), 31 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-19 04:15:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 442 transitions. [2023-11-19 04:15:21,065 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 442 transitions. Word has length 15 [2023-11-19 04:15:21,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:21,073 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 442 transitions. [2023-11-19 04:15:21,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:15:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 442 transitions. [2023-11-19 04:15:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:15:21,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:21,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:21,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:15:21,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:21,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:21,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2073082850, now seen corresponding path program 1 times [2023-11-19 04:15:21,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:21,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633224659] [2023-11-19 04:15:21,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:21,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:15:21,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:21,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633224659] [2023-11-19 04:15:21,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633224659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:21,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:21,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:21,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658859513] [2023-11-19 04:15:21,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:21,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:21,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:21,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:21,609 INFO L87 Difference]: Start difference. First operand 314 states and 442 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:15:21,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:21,886 INFO L93 Difference]: Finished difference Result 683 states and 962 transitions. [2023-11-19 04:15:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:21,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2023-11-19 04:15:21,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:21,894 INFO L225 Difference]: With dead ends: 683 [2023-11-19 04:15:21,894 INFO L226 Difference]: Without dead ends: 370 [2023-11-19 04:15:21,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:21,900 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 85 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:21,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 616 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:15:21,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-11-19 04:15:21,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2023-11-19 04:15:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 255 states have (on average 1.4705882352941178) internal successors, (375), 264 states have internal predecessors, (375), 76 states have call successors, (76), 39 states have call predecessors, (76), 38 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 04:15:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 518 transitions. [2023-11-19 04:15:21,946 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 518 transitions. Word has length 21 [2023-11-19 04:15:21,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:21,947 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 518 transitions. [2023-11-19 04:15:21,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:15:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 518 transitions. [2023-11-19 04:15:21,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:15:21,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:21,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:21,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:15:21,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:21,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:21,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1843570527, now seen corresponding path program 1 times [2023-11-19 04:15:21,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:21,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881796593] [2023-11-19 04:15:21,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:21,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:15:22,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881796593] [2023-11-19 04:15:22,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881796593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:22,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:22,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053474843] [2023-11-19 04:15:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:22,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:22,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:22,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:22,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:22,216 INFO L87 Difference]: Start difference. First operand 370 states and 518 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:22,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:22,409 INFO L93 Difference]: Finished difference Result 372 states and 519 transitions. [2023-11-19 04:15:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:22,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-19 04:15:22,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:22,414 INFO L225 Difference]: With dead ends: 372 [2023-11-19 04:15:22,414 INFO L226 Difference]: Without dead ends: 369 [2023-11-19 04:15:22,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:22,416 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 349 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:22,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 314 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:15:22,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-11-19 04:15:22,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2023-11-19 04:15:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 255 states have (on average 1.4666666666666666) internal successors, (374), 263 states have internal predecessors, (374), 75 states have call successors, (75), 39 states have call predecessors, (75), 38 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 04:15:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 516 transitions. [2023-11-19 04:15:22,495 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 516 transitions. Word has length 19 [2023-11-19 04:15:22,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:22,496 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 516 transitions. [2023-11-19 04:15:22,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 516 transitions. [2023-11-19 04:15:22,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:15:22,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:22,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:22,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:15:22,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:22,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:22,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1315907773, now seen corresponding path program 1 times [2023-11-19 04:15:22,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:22,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616609441] [2023-11-19 04:15:22,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:22,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:15:22,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:22,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616609441] [2023-11-19 04:15:22,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616609441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:22,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:22,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:22,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532466751] [2023-11-19 04:15:22,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:22,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:22,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:22,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:22,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:22,789 INFO L87 Difference]: Start difference. First operand 369 states and 516 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:23,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:23,016 INFO L93 Difference]: Finished difference Result 375 states and 519 transitions. [2023-11-19 04:15:23,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:23,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-11-19 04:15:23,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:23,022 INFO L225 Difference]: With dead ends: 375 [2023-11-19 04:15:23,023 INFO L226 Difference]: Without dead ends: 371 [2023-11-19 04:15:23,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:23,028 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 333 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:23,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 317 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:15:23,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-11-19 04:15:23,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 369. [2023-11-19 04:15:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 256 states have (on average 1.45703125) internal successors, (373), 262 states have internal predecessors, (373), 73 states have call successors, (73), 40 states have call predecessors, (73), 39 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 04:15:23,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 513 transitions. [2023-11-19 04:15:23,069 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 513 transitions. Word has length 20 [2023-11-19 04:15:23,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:23,069 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 513 transitions. [2023-11-19 04:15:23,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 513 transitions. [2023-11-19 04:15:23,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:15:23,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:23,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:23,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:15:23,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:23,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:23,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2138236450, now seen corresponding path program 1 times [2023-11-19 04:15:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:23,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288893544] [2023-11-19 04:15:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:23,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:15:23,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:23,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288893544] [2023-11-19 04:15:23,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288893544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:23,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:23,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:23,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874287204] [2023-11-19 04:15:23,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:23,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:23,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:23,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:23,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:23,328 INFO L87 Difference]: Start difference. First operand 369 states and 513 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:23,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:23,522 INFO L93 Difference]: Finished difference Result 371 states and 514 transitions. [2023-11-19 04:15:23,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:23,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-19 04:15:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:23,527 INFO L225 Difference]: With dead ends: 371 [2023-11-19 04:15:23,527 INFO L226 Difference]: Without dead ends: 368 [2023-11-19 04:15:23,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:23,529 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 341 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:23,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 308 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:15:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-11-19 04:15:23,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2023-11-19 04:15:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 256 states have (on average 1.453125) internal successors, (372), 261 states have internal predecessors, (372), 72 states have call successors, (72), 40 states have call predecessors, (72), 39 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 04:15:23,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 511 transitions. [2023-11-19 04:15:23,580 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 511 transitions. Word has length 21 [2023-11-19 04:15:23,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:23,581 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 511 transitions. [2023-11-19 04:15:23,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 511 transitions. [2023-11-19 04:15:23,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:15:23,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:23,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:23,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:15:23,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:23,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:23,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1860626528, now seen corresponding path program 1 times [2023-11-19 04:15:23,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:23,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941917394] [2023-11-19 04:15:23,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:23,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:15:23,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:23,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941917394] [2023-11-19 04:15:23,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941917394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:23,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:23,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:23,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501918431] [2023-11-19 04:15:23,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:23,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:23,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:23,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:23,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:23,863 INFO L87 Difference]: Start difference. First operand 368 states and 511 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:24,139 INFO L93 Difference]: Finished difference Result 524 states and 727 transitions. [2023-11-19 04:15:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:24,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-19 04:15:24,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:24,149 INFO L225 Difference]: With dead ends: 524 [2023-11-19 04:15:24,149 INFO L226 Difference]: Without dead ends: 520 [2023-11-19 04:15:24,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:24,152 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 124 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:24,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 600 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:15:24,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2023-11-19 04:15:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 518. [2023-11-19 04:15:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 365 states have (on average 1.4684931506849315) internal successors, (536), 371 states have internal predecessors, (536), 95 states have call successors, (95), 59 states have call predecessors, (95), 57 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-19 04:15:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 721 transitions. [2023-11-19 04:15:24,206 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 721 transitions. Word has length 22 [2023-11-19 04:15:24,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:24,206 INFO L495 AbstractCegarLoop]: Abstraction has 518 states and 721 transitions. [2023-11-19 04:15:24,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 721 transitions. [2023-11-19 04:15:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:15:24,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:24,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:24,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 04:15:24,208 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:24,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:24,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1844658405, now seen corresponding path program 1 times [2023-11-19 04:15:24,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:24,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802742422] [2023-11-19 04:15:24,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:24,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:15:24,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:24,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802742422] [2023-11-19 04:15:24,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802742422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:24,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:24,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:24,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404567475] [2023-11-19 04:15:24,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:24,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:24,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:24,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:24,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:24,460 INFO L87 Difference]: Start difference. First operand 518 states and 721 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:24,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:24,655 INFO L93 Difference]: Finished difference Result 520 states and 722 transitions. [2023-11-19 04:15:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:24,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-19 04:15:24,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:24,660 INFO L225 Difference]: With dead ends: 520 [2023-11-19 04:15:24,661 INFO L226 Difference]: Without dead ends: 501 [2023-11-19 04:15:24,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:24,662 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 337 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:24,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 307 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:15:24,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2023-11-19 04:15:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2023-11-19 04:15:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 355 states have (on average 1.4704225352112676) internal successors, (522), 360 states have internal predecessors, (522), 91 states have call successors, (91), 56 states have call predecessors, (91), 54 states have return successors, (87), 85 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-19 04:15:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 700 transitions. [2023-11-19 04:15:24,716 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 700 transitions. Word has length 23 [2023-11-19 04:15:24,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:24,716 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 700 transitions. [2023-11-19 04:15:24,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:15:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 700 transitions. [2023-11-19 04:15:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:15:24,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:24,720 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:24,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 04:15:24,721 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:24,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:24,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1090474009, now seen corresponding path program 1 times [2023-11-19 04:15:24,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:24,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632323595] [2023-11-19 04:15:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:24,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:15:25,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:25,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632323595] [2023-11-19 04:15:25,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632323595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:25,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:25,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:25,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616968769] [2023-11-19 04:15:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:25,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:25,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:25,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:25,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:25,176 INFO L87 Difference]: Start difference. First operand 501 states and 700 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 04:15:25,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:25,441 INFO L93 Difference]: Finished difference Result 948 states and 1324 transitions. [2023-11-19 04:15:25,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:25,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2023-11-19 04:15:25,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:25,449 INFO L225 Difference]: With dead ends: 948 [2023-11-19 04:15:25,449 INFO L226 Difference]: Without dead ends: 500 [2023-11-19 04:15:25,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:25,452 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 331 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:25,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 497 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:15:25,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-11-19 04:15:25,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2023-11-19 04:15:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 355 states have (on average 1.4647887323943662) internal successors, (520), 359 states have internal predecessors, (520), 90 states have call successors, (90), 56 states have call predecessors, (90), 54 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-11-19 04:15:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 695 transitions. [2023-11-19 04:15:25,506 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 695 transitions. Word has length 43 [2023-11-19 04:15:25,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:25,507 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 695 transitions. [2023-11-19 04:15:25,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 04:15:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 695 transitions. [2023-11-19 04:15:25,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:15:25,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:25,512 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:25,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 04:15:25,512 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:25,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:25,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1349802013, now seen corresponding path program 1 times [2023-11-19 04:15:25,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:25,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513988655] [2023-11-19 04:15:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:25,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:15:25,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:25,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513988655] [2023-11-19 04:15:25,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513988655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:25,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:25,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:15:25,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989116968] [2023-11-19 04:15:25,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:25,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:15:25,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:25,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:15:25,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:25,940 INFO L87 Difference]: Start difference. First operand 500 states and 695 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 04:15:26,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:26,173 INFO L93 Difference]: Finished difference Result 502 states and 696 transitions. [2023-11-19 04:15:26,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:15:26,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2023-11-19 04:15:26,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:26,178 INFO L225 Difference]: With dead ends: 502 [2023-11-19 04:15:26,178 INFO L226 Difference]: Without dead ends: 499 [2023-11-19 04:15:26,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:15:26,182 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 3 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:26,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 594 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:15:26,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2023-11-19 04:15:26,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2023-11-19 04:15:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 355 states have (on average 1.4619718309859155) internal successors, (519), 358 states have internal predecessors, (519), 89 states have call successors, (89), 56 states have call predecessors, (89), 54 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-11-19 04:15:26,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 693 transitions. [2023-11-19 04:15:26,238 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 693 transitions. Word has length 50 [2023-11-19 04:15:26,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:26,241 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 693 transitions. [2023-11-19 04:15:26,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 04:15:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 693 transitions. [2023-11-19 04:15:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:15:26,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:26,246 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:26,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 04:15:26,246 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:26,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:26,253 INFO L85 PathProgramCache]: Analyzing trace with hash 877489653, now seen corresponding path program 1 times [2023-11-19 04:15:26,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:26,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502675802] [2023-11-19 04:15:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:26,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:15:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:15:26,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:15:26,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502675802] [2023-11-19 04:15:26,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502675802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:15:26,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:15:26,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:15:26,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183659834] [2023-11-19 04:15:26,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:15:26,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:15:26,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:15:26,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:15:26,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:15:26,887 INFO L87 Difference]: Start difference. First operand 499 states and 693 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 04:15:27,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:15:27,238 INFO L93 Difference]: Finished difference Result 963 states and 1329 transitions. [2023-11-19 04:15:27,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:15:27,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2023-11-19 04:15:27,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:15:27,243 INFO L225 Difference]: With dead ends: 963 [2023-11-19 04:15:27,244 INFO L226 Difference]: Without dead ends: 511 [2023-11-19 04:15:27,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:15:27,246 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 21 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:15:27,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1205 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:15:27,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2023-11-19 04:15:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 497. [2023-11-19 04:15:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 355 states have (on average 1.4591549295774648) internal successors, (518), 358 states have internal predecessors, (518), 88 states have call successors, (88), 55 states have call predecessors, (88), 53 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-19 04:15:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 690 transitions. [2023-11-19 04:15:27,375 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 690 transitions. Word has length 51 [2023-11-19 04:15:27,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:15:27,375 INFO L495 AbstractCegarLoop]: Abstraction has 497 states and 690 transitions. [2023-11-19 04:15:27,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 04:15:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 690 transitions. [2023-11-19 04:15:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:15:27,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:27,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:27,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 04:15:27,380 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:27,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:27,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1192171135, now seen corresponding path program 1 times [2023-11-19 04:15:27,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:27,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888619346] [2023-11-19 04:15:27,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:27,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:15:27,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:15:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:15:28,025 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:15:28,025 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:15:28,026 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:15:28,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 04:15:28,031 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:28,039 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:15:28,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 04:15:28,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem298 could not be translated [2023-11-19 04:15:28,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem301 [2023-11-19 04:15:28,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 04:15:28,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 04:15:28,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 04:15:28,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 04:15:28,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 04:15:28,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:15:28 BoogieIcfgContainer [2023-11-19 04:15:28,230 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:15:28,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:15:28,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:15:28,231 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:15:28,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:19" (3/4) ... [2023-11-19 04:15:28,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:15:28,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:15:28,237 INFO L158 Benchmark]: Toolchain (without parser) took 16788.87ms. Allocated memory was 151.0MB in the beginning and 398.5MB in the end (delta: 247.5MB). Free memory was 102.5MB in the beginning and 223.8MB in the end (delta: -121.2MB). Peak memory consumption was 126.1MB. Max. memory is 16.1GB. [2023-11-19 04:15:28,237 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:15:28,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2892.05ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 102.5MB in the beginning and 114.9MB in the end (delta: -12.3MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2023-11-19 04:15:28,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.49ms. Allocated memory is still 188.7MB. Free memory was 114.9MB in the beginning and 103.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:15:28,238 INFO L158 Benchmark]: Boogie Preprocessor took 148.60ms. Allocated memory is still 188.7MB. Free memory was 103.4MB in the beginning and 94.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:15:28,239 INFO L158 Benchmark]: RCFGBuilder took 4549.51ms. Allocated memory was 188.7MB in the beginning and 274.7MB in the end (delta: 86.0MB). Free memory was 94.0MB in the beginning and 184.5MB in the end (delta: -90.6MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2023-11-19 04:15:28,240 INFO L158 Benchmark]: TraceAbstraction took 8934.25ms. Allocated memory was 274.7MB in the beginning and 398.5MB in the end (delta: 123.7MB). Free memory was 183.5MB in the beginning and 223.8MB in the end (delta: -40.3MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2023-11-19 04:15:28,241 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 398.5MB. Free memory is still 223.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:15:28,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2892.05ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 102.5MB in the beginning and 114.9MB in the end (delta: -12.3MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 246.49ms. Allocated memory is still 188.7MB. Free memory was 114.9MB in the beginning and 103.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.60ms. Allocated memory is still 188.7MB. Free memory was 103.4MB in the beginning and 94.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4549.51ms. Allocated memory was 188.7MB in the beginning and 274.7MB in the end (delta: 86.0MB). Free memory was 94.0MB in the beginning and 184.5MB in the end (delta: -90.6MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8934.25ms. Allocated memory was 274.7MB in the beginning and 398.5MB in the end (delta: 123.7MB). Free memory was 183.5MB in the beginning and 223.8MB in the end (delta: -40.3MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 398.5MB. Free memory is still 223.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3188]: 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"); [3188] - GenericResultAtLocation [Line: 3195]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3195] - GenericResultAtLocation [Line: 3202]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3202] - GenericResultAtLocation [Line: 3210]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [3210] - GenericResultAtLocation [Line: 3253]: 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"); [3253-3254] - GenericResultAtLocation [Line: 3257]: 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"); [3257-3258] - GenericResultAtLocation [Line: 3261]: 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"); [3261-3262] - GenericResultAtLocation [Line: 3265]: 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"); [3265-3266] - GenericResultAtLocation [Line: 5167]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5167] - GenericResultAtLocation [Line: 5170]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5170] - GenericResultAtLocation [Line: 5173]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5173] - GenericResultAtLocation [Line: 5176]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5176] - GenericResultAtLocation [Line: 5347]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp->state): : "memory", "cc"); [5347-5348] - GenericResultAtLocation [Line: 5352]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5352-5353] - GenericResultAtLocation [Line: 5357]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5357-5358] - GenericResultAtLocation [Line: 5362]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5362-5363] - GenericResultAtLocation [Line: 5375]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___3->state): : "memory", "cc"); [5375-5376] - GenericResultAtLocation [Line: 5380]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [5380-5381] - GenericResultAtLocation [Line: 5385]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [5385-5386] - GenericResultAtLocation [Line: 5390]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5390-5391] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem298 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem301 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6023]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={203:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3539] return (0); [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:1}, available_protocols=0, buf={0:-2}, buf={0:-2}, descriptor={204:0}, dev={0:1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, device={0:1}, device={0:1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-3}, mattr={0:-3}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-2}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, lock={0:1228}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, lock={0:1228}, lock={0:1228}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:1228}, ldv_func_arg1={0:1228}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:1228}, ldv_func_arg1={0:1228}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:1}, available_protocols=0, buf={0:-2}, buf={0:-2}, descriptor={204:0}, dev={0:1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, device={0:1}, device={0:1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-3}, mattr={0:-3}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-2}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:1}, available_protocols=0, buf={0:-2}, buf={0:-2}, descriptor={204:0}, dev={0:1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, device={0:1}, device={0:1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-3}, mattr={0:-3}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-2}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:1}, available_protocols=0, buf={0:-2}, buf={0:-2}, dev={0:1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, device={0:1}, device={0:1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-3}, mattr={0:-3}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-2}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=0, __mptr={0:1}, available_protocols=0, count=0, data={0:0}, data={209:0}, descriptor={206:0}, descriptor___0={205:0}, descriptor___1={208:0}, descriptor___2={210:0}, descriptor___3={202:0}, dev={0:1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, device={0:1}, device={0:1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, len=0, mattr={0:-3}, mattr={0:-3}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={207:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, lock={0:1228}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, lock={0:1228}, lock={0:1228}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:1}, dev_attr_protocols_group1={0:-3}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-2}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2038 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2038 mSDsluCounter, 5402 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2211 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 893 IncrementalHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 3191 mSDtfsCounter, 893 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=518occurred in iteration=6, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 23/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:15:28,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ --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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:15:31,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:15:31,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 04:15:31,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:15:31,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:15:31,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:15:31,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:15:31,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:15:31,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:15:31,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:15:31,568 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:15:31,569 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:15:31,569 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:15:31,570 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:15:31,571 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:15:31,571 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:15:31,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:15:31,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:15:31,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:15:31,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:15:31,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:15:31,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:15:31,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:15:31,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:15:31,577 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:15:31,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:15:31,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:15:31,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:15:31,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:15:31,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:15:31,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:31,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:15:31,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:15:31,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:15:31,583 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:15:31,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:15:31,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:15:31,585 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:15:31,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:15:31,586 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2023-11-19 04:15:32,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:15:32,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:15:32,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:15:32,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:15:32,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:15:32,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 04:15:35,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:15:36,607 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:15:36,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 04:15:36,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data/0c4d75e6b/df030dbaaa434f6b9913ccebe0d7b9ca/FLAG5fa049050 [2023-11-19 04:15:36,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/data/0c4d75e6b/df030dbaaa434f6b9913ccebe0d7b9ca [2023-11-19 04:15:36,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:15:36,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:15:36,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:36,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:15:36,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:15:36,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:36" (1/1) ... [2023-11-19 04:15:36,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693f46db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:36, skipping insertion in model container [2023-11-19 04:15:36,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:36" (1/1) ... [2023-11-19 04:15:36,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:15:39,083 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 04:15:39,215 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 04:15:39,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:39,285 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:15:39,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:15:39,650 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 04:15:39,664 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 04:15:39,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:39,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:15:39,823 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"); [3188] [2023-11-19 04:15:39,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3195] [2023-11-19 04:15:39,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3202] [2023-11-19 04:15:39,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [3210] [2023-11-19 04:15:39,834 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"); [3253-3254] [2023-11-19 04:15:39,835 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"); [3257-3258] [2023-11-19 04:15:39,835 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"); [3261-3262] [2023-11-19 04:15:39,836 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"); [3265-3266] [2023-11-19 04:15:40,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5167] [2023-11-19 04:15:40,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5170] [2023-11-19 04:15:40,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5173] [2023-11-19 04:15:40,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5176] [2023-11-19 04:15:40,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp->state): : "memory", "cc"); [5347-5348] [2023-11-19 04:15:40,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5352-5353] [2023-11-19 04:15:40,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5357-5358] [2023-11-19 04:15:40,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5362-5363] [2023-11-19 04:15:40,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___3->state): : "memory", "cc"); [5375-5376] [2023-11-19 04:15:40,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [5380-5381] [2023-11-19 04:15:40,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [5385-5386] [2023-11-19 04:15:40,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5390-5391] [2023-11-19 04:15:40,097 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 04:15:40,113 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 04:15:40,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:40,284 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:40,284 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:40,284 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:40,284 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:40,285 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:15:40,294 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:15:40,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40 WrapperNode [2023-11-19 04:15:40,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:40,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:40,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:15:40,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:15:40,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,590 INFO L138 Inliner]: procedures = 274, calls = 1908, calls flagged for inlining = 102, calls inlined = 33, statements flattened = 1581 [2023-11-19 04:15:40,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:40,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:15:40,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:15:40,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:15:40,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:15:40,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:15:40,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:15:40,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:15:40,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (1/1) ... [2023-11-19 04:15:40,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:40,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:15:40,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:15:41,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:15:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2023-11-19 04:15:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2023-11-19 04:15:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:15:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 04:15:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:15:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:15:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:15:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:15:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 04:15:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 04:15:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:15:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:15:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2023-11-19 04:15:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2023-11-19 04:15:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:15:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:15:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:15:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:15:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 04:15:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 04:15:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2023-11-19 04:15:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2023-11-19 04:15:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:15:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:15:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:15:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:15:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:15:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:15:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:15:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 04:15:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:15:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:15:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:15:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:15:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-11-19 04:15:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-11-19 04:15:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:15:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:15:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:15:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:15:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:15:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:15:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-19 04:15:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:15:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:15:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:15:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:15:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 04:15:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 04:15:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:15:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:15:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 04:15:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 04:15:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2023-11-19 04:15:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2023-11-19 04:15:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:15:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:15:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:15:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:15:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 04:15:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 04:15:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 04:15:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 04:15:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 04:15:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 04:15:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 04:15:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 04:15:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-19 04:15:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-19 04:15:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:15:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:15:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:15:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:15:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:15:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 04:15:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 04:15:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 04:15:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2023-11-19 04:15:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2023-11-19 04:15:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:15:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:15:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 04:15:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 04:15:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 04:15:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:15:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:15:41,559 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:15:41,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:15:52,203 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:15:52,230 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:15:52,230 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:15:52,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:52 BoogieIcfgContainer [2023-11-19 04:15:52,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:15:52,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:15:52,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:15:52,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:15:52,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:15:36" (1/3) ... [2023-11-19 04:15:52,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43146f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:52, skipping insertion in model container [2023-11-19 04:15:52,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:40" (2/3) ... [2023-11-19 04:15:52,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43146f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:52, skipping insertion in model container [2023-11-19 04:15:52,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:52" (3/3) ... [2023-11-19 04:15:52,263 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 04:15:52,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:15:52,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:15:52,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:15:52,395 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@f2fb071, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:15:52,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:15:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 347 states, 256 states have (on average 1.38671875) internal successors, (355), 267 states have internal predecessors, (355), 62 states have call successors, (62), 27 states have call predecessors, (62), 27 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 04:15:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:15:52,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:52,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:52,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:52,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:52,429 INFO L85 PathProgramCache]: Analyzing trace with hash -849008508, now seen corresponding path program 1 times [2023-11-19 04:15:52,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:15:52,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794479423] [2023-11-19 04:15:52,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:52,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:15:52,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:15:52,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:15:52,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fb8a83-59fb-4fbd-9033-1f9708ca1565/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process