./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version dbf71c69
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta --witnessprinter.witness.filename witness.graphml --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 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-dbf71c6-m
[2022-10-17 17:22:53,502 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-17 17:22:53,504 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 17:22:53,545 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 17:22:53,546 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 17:22:53,551 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 17:22:53,555 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 17:22:53,561 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 17:22:53,564 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 17:22:53,570 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 17:22:53,571 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 17:22:53,574 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 17:22:53,574 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 17:22:53,577 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 17:22:53,579 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 17:22:53,581 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 17:22:53,583 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 17:22:53,584 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 17:22:53,587 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 17:22:53,596 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 17:22:53,598 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 17:22:53,600 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 17:22:53,604 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 17:22:53,605 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 17:22:53,615 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 17:22:53,616 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 17:22:53,616 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 17:22:53,618 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 17:22:53,619 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 17:22:53,620 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 17:22:53,621 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 17:22:53,622 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 17:22:53,625 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 17:22:53,626 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 17:22:53,634 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 17:22:53,634 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 17:22:53,635 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 17:22:53,635 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 17:22:53,635 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 17:22:53,636 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 17:22:53,637 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 17:22:53,638 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf
[2022-10-17 17:22:53,693 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-17 17:22:53,695 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 17:22:53,696 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 17:22:53,696 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 17:22:53,697 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 17:22:53,698 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 17:22:53,698 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-10-17 17:22:53,698 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-10-17 17:22:53,698 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-10-17 17:22:53,699 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-10-17 17:22:53,700 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-10-17 17:22:53,700 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-10-17 17:22:53,700 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-10-17 17:22:53,700 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-10-17 17:22:53,701 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-10-17 17:22:53,701 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-10-17 17:22:53,701 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-10-17 17:22:53,701 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-10-17 17:22:53,702 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 17:22:53,703 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-17 17:22:53,703 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-17 17:22:53,703 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-17 17:22:53,703 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 17:22:53,703 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-17 17:22:53,704 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-17 17:22:53,704 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-17 17:22:53,704 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-17 17:22:53,705 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 17:22:53,705 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-17 17:22:53,705 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 17:22:53,705 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 17:22:53,706 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2022-10-17 17:22:53,706 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 17:22:53,706 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-17 17:22:53,707 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-10-17 17:22:53,707 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-17 17:22:53,707 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-17 17:22:53,707 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-10-17 17:22:53,707 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/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_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3
[2022-10-17 17:22:53,980 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 17:22:54,001 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 17:22:54,004 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 17:22:54,005 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-17 17:22:54,006 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-17 17:22:54,008 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i
[2022-10-17 17:22:54,086 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/data/f4999f61c/6607e0b645fd4be09cd215888721d47b/FLAGa969cd42f
[2022-10-17 17:22:55,103 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-17 17:22:55,104 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i
[2022-10-17 17:22:55,166 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/data/f4999f61c/6607e0b645fd4be09cd215888721d47b/FLAGa969cd42f
[2022-10-17 17:22:55,436 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/data/f4999f61c/6607e0b645fd4be09cd215888721d47b
[2022-10-17 17:22:55,439 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 17:22:55,442 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 17:22:55,445 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 17:22:55,445 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 17:22:55,449 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 17:22:55,451 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:55" (1/1) ...
[2022-10-17 17:22:55,452 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae1364f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55, skipping insertion in model container
[2022-10-17 17:22:55,453 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:55" (1/1) ...
[2022-10-17 17:22:55,460 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-17 17:22:55,669 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-17 17:22:56,278 WARN  L1251              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296]
[2022-10-17 17:22:56,279 WARN  L1251              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [4297-4298]
[2022-10-17 17:22:57,108 WARN  L230   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_0e6144c4-0837-413a-b4df-d79edac3a500/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095]
[2022-10-17 17:22:59,089 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 17:22:59,127 INFO  L203         MainTranslator]: Completed pre-run
[2022-10-17 17:22:59,236 WARN  L1251              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296]
[2022-10-17 17:22:59,236 WARN  L1251              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [4297-4298]
[2022-10-17 17:22:59,251 WARN  L230   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_0e6144c4-0837-413a-b4df-d79edac3a500/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095]
[2022-10-17 17:22:59,771 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 17:22:59,893 INFO  L208         MainTranslator]: Completed translation
[2022-10-17 17:22:59,893 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59 WrapperNode
[2022-10-17 17:22:59,893 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-17 17:22:59,895 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-17 17:22:59,895 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-17 17:22:59,895 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-17 17:22:59,902 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,175 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,595 INFO  L138                Inliner]: procedures = 362, calls = 6469, calls flagged for inlining = 182, calls inlined = 134, statements flattened = 9336
[2022-10-17 17:23:00,596 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-17 17:23:00,597 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-17 17:23:00,597 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-17 17:23:00,597 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-17 17:23:00,607 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,607 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,652 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,652 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,917 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,954 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:00,994 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:01,028 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:01,078 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-17 17:23:01,080 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-17 17:23:01,080 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-17 17:23:01,080 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-17 17:23:01,081 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (1/1) ...
[2022-10-17 17:23:01,093 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 17:23:01,104 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/z3
[2022-10-17 17:23:01,120 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-17 17:23:01,133 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6144c4-0837-413a-b4df-d79edac3a500/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-17 17:23:01,164 INFO  L130     BoogieDeclarations]: Found specification of procedure __fswab32
[2022-10-17 17:23:01,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fswab32
[2022-10-17 17:23:01,165 INFO  L130     BoogieDeclarations]: Found specification of procedure blk_stop_queue
[2022-10-17 17:23:01,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure blk_stop_queue
[2022-10-17 17:23:01,165 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting
[2022-10-17 17:23:01,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting
[2022-10-17 17:23:01,166 INFO  L130     BoogieDeclarations]: Found specification of procedure __xchg_wrong_size
[2022-10-17 17:23:01,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2022-10-17 17:23:01,166 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2022-10-17 17:23:01,166 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str
[2022-10-17 17:23:01,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str
[2022-10-17 17:23:01,166 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_release_regions
[2022-10-17 17:23:01,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_release_regions
[2022-10-17 17:23:01,167 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2022-10-17 17:23:01,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2022-10-17 17:23:01,167 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_quiesce_dev
[2022-10-17 17:23:01,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev
[2022-10-17 17:23:01,167 INFO  L130     BoogieDeclarations]: Found specification of procedure lowmem_page_address
[2022-10-17 17:23:01,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowmem_page_address
[2022-10-17 17:23:01,168 INFO  L130     BoogieDeclarations]: Found specification of procedure get_current
[2022-10-17 17:23:01,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_current
[2022-10-17 17:23:01,168 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_lock
[2022-10-17 17:23:01,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_lock
[2022-10-17 17:23:01,168 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2022-10-17 17:23:01,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2022-10-17 17:23:01,169 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_cons_sg_list
[2022-10-17 17:23:01,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list
[2022-10-17 17:23:01,169 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_start_device
[2022-10-17 17:23:01,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_start_device
[2022-10-17 17:23:01,169 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_read_config_word
[2022-10-17 17:23:01,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_read_config_word
[2022-10-17 17:23:01,170 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2022-10-17 17:23:01,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2022-10-17 17:23:01,170 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_postop_sg_list
[2022-10-17 17:23:01,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list
[2022-10-17 17:23:01,170 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_dma_direction
[2022-10-17 17:23:01,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_dma_direction
[2022-10-17 17:23:01,171 INFO  L130     BoogieDeclarations]: Found specification of procedure blk_rq_sectors
[2022-10-17 17:23:01,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure blk_rq_sectors
[2022-10-17 17:23:01,171 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_log_skreq
[2022-10-17 17:23:01,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_log_skreq
[2022-10-17 17:23:01,171 INFO  L130     BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked
[2022-10-17 17:23:01,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked
[2022-10-17 17:23:01,172 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting
[2022-10-17 17:23:01,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting
[2022-10-17 17:23:01,172 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2022-10-17 17:23:01,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2022-10-17 17:23:01,172 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_disable_interrupts
[2022-10-17 17:23:01,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts
[2022-10-17 17:23:01,173 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-10-17 17:23:01,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-10-17 17:23:01,173 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_name
[2022-10-17 17:23:01,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_name
[2022-10-17 17:23:01,173 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_alloc_consistent
[2022-10-17 17:23:01,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent
[2022-10-17 17:23:01,174 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_pci_remove
[2022-10-17 17:23:01,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_pci_remove
[2022-10-17 17:23:01,174 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_drive_fault
[2022-10-17 17:23:01,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_drive_fault
[2022-10-17 17:23:01,174 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_isr_fwstate
[2022-10-17 17:23:01,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate
[2022-10-17 17:23:01,175 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_timer_1
[2022-10-17 17:23:01,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_timer_1
[2022-10-17 17:23:01,175 INFO  L130     BoogieDeclarations]: Found specification of procedure blk_rq_pos
[2022-10-17 17:23:01,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure blk_rq_pos
[2022-10-17 17:23:01,175 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-10-17 17:23:01,175 INFO  L130     BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD
[2022-10-17 17:23:01,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD
[2022-10-17 17:23:01,176 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_drive_disappeared
[2022-10-17 17:23:01,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared
[2022-10-17 17:23:01,176 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer
[2022-10-17 17:23:01,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer
[2022-10-17 17:23:01,176 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_set_master
[2022-10-17 17:23:01,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_set_master
[2022-10-17 17:23:01,177 INFO  L130     BoogieDeclarations]: Found specification of procedure alloc_pages
[2022-10-17 17:23:01,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure alloc_pages
[2022-10-17 17:23:01,177 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-10-17 17:23:01,177 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_get_drvdata
[2022-10-17 17:23:01,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_get_drvdata
[2022-10-17 17:23:01,177 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_reg_write64
[2022-10-17 17:23:01,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_reg_write64
[2022-10-17 17:23:01,178 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_unlock
[2022-10-17 17:23:01,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock
[2022-10-17 17:23:01,178 INFO  L130     BoogieDeclarations]: Found specification of procedure ioremap
[2022-10-17 17:23:01,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure ioremap
[2022-10-17 17:23:01,178 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore
[2022-10-17 17:23:01,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore
[2022-10-17 17:23:01,179 INFO  L130     BoogieDeclarations]: Found specification of procedure __free_pages
[2022-10-17 17:23:01,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure __free_pages
[2022-10-17 17:23:01,179 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-10-17 17:23:01,179 INFO  L130     BoogieDeclarations]: Found specification of procedure iounmap
[2022-10-17 17:23:01,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure iounmap
[2022-10-17 17:23:01,179 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2022-10-17 17:23:01,180 INFO  L130     BoogieDeclarations]: Found specification of procedure might_fault
[2022-10-17 17:23:01,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure might_fault
[2022-10-17 17:23:01,180 INFO  L130     BoogieDeclarations]: Found specification of procedure strcat
[2022-10-17 17:23:01,180 INFO  L130     BoogieDeclarations]: Found specification of procedure __chk_range_not_ok
[2022-10-17 17:23:01,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok
[2022-10-17 17:23:01,180 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2022-10-17 17:23:01,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2022-10-17 17:23:01,181 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_soft_reset
[2022-10-17 17:23:01,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_soft_reset
[2022-10-17 17:23:01,181 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_start_timer
[2022-10-17 17:23:01,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_start_timer
[2022-10-17 17:23:01,181 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_reg_write32
[2022-10-17 17:23:01,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_reg_write32
[2022-10-17 17:23:01,182 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask
[2022-10-17 17:23:01,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask
[2022-10-17 17:23:01,182 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_find_capability
[2022-10-17 17:23:01,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_find_capability
[2022-10-17 17:23:01,182 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2022-10-17 17:23:01,182 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2022-10-17 17:23:01,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2022-10-17 17:23:01,183 INFO  L130     BoogieDeclarations]: Found specification of procedure _copy_from_user
[2022-10-17 17:23:01,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure _copy_from_user
[2022-10-17 17:23:01,183 INFO  L130     BoogieDeclarations]: Found specification of procedure blk_requeue_request
[2022-10-17 17:23:01,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure blk_requeue_request
[2022-10-17 17:23:01,183 INFO  L130     BoogieDeclarations]: Found specification of procedure get_dma_ops
[2022-10-17 17:23:01,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_dma_ops
[2022-10-17 17:23:01,184 INFO  L130     BoogieDeclarations]: Found specification of procedure sg_page
[2022-10-17 17:23:01,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure sg_page
[2022-10-17 17:23:01,184 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2022-10-17 17:23:01,184 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_pending_timer_1
[2022-10-17 17:23:01,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1
[2022-10-17 17:23:01,185 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_restart_device
[2022-10-17 17:23:01,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_restart_device
[2022-10-17 17:23:01,185 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-10-17 17:23:01,185 INFO  L130     BoogieDeclarations]: Found specification of procedure __copy_to_user
[2022-10-17 17:23:01,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure __copy_to_user
[2022-10-17 17:23:01,185 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2022-10-17 17:23:01,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2022-10-17 17:23:01,186 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_reg_read32
[2022-10-17 17:23:01,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_reg_read32
[2022-10-17 17:23:01,186 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags
[2022-10-17 17:23:01,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags
[2022-10-17 17:23:01,186 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1
[2022-10-17 17:23:01,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1
[2022-10-17 17:23:01,186 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_set_dma_mask
[2022-10-17 17:23:01,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask
[2022-10-17 17:23:01,187 INFO  L130     BoogieDeclarations]: Found specification of procedure prepare_to_wait_event
[2022-10-17 17:23:01,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event
[2022-10-17 17:23:01,187 INFO  L130     BoogieDeclarations]: Found specification of procedure blk_start_queue
[2022-10-17 17:23:01,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure blk_start_queue
[2022-10-17 17:23:01,187 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2022-10-17 17:23:01,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2022-10-17 17:23:01,188 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_free_consistent
[2022-10-17 17:23:01,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_free_consistent
[2022-10-17 17:23:01,188 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-10-17 17:23:01,188 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_disable_device
[2022-10-17 17:23:01,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_disable_device
[2022-10-17 17:23:01,188 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_set_drvdata
[2022-10-17 17:23:01,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_set_drvdata
[2022-10-17 17:23:01,189 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl
[2022-10-17 17:23:01,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl
[2022-10-17 17:23:01,189 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_release_special
[2022-10-17 17:23:01,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_release_special
[2022-10-17 17:23:01,189 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2022-10-17 17:23:01,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2022-10-17 17:23:01,189 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_request_regions
[2022-10-17 17:23:01,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_request_regions
[2022-10-17 17:23:01,190 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_release_irq
[2022-10-17 17:23:01,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_release_irq
[2022-10-17 17:23:01,190 INFO  L130     BoogieDeclarations]: Found specification of procedure copy_user_generic
[2022-10-17 17:23:01,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure copy_user_generic
[2022-10-17 17:23:01,190 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_free_sg_list
[2022-10-17 17:23:01,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_free_sg_list
[2022-10-17 17:23:01,191 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_destruct
[2022-10-17 17:23:01,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_destruct
[2022-10-17 17:23:01,191 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str
[2022-10-17 17:23:01,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str
[2022-10-17 17:23:01,191 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-10-17 17:23:01,191 INFO  L130     BoogieDeclarations]: Found specification of procedure copy_from_user
[2022-10-17 17:23:01,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure copy_from_user
[2022-10-17 17:23:01,192 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-17 17:23:01,192 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg
[2022-10-17 17:23:01,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg
[2022-10-17 17:23:01,192 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_enable_device
[2022-10-17 17:23:01,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_enable_device
[2022-10-17 17:23:01,192 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-10-17 17:23:01,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __blk_end_request_all
[2022-10-17 17:23:01,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure __blk_end_request_all
[2022-10-17 17:23:01,193 INFO  L130     BoogieDeclarations]: Found specification of procedure __bad_percpu_size
[2022-10-17 17:23:01,193 INFO  L130     BoogieDeclarations]: Found specification of procedure reg_timer_2
[2022-10-17 17:23:01,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure reg_timer_2
[2022-10-17 17:23:01,193 INFO  L130     BoogieDeclarations]: Found specification of procedure current_thread_info
[2022-10-17 17:23:01,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure current_thread_info
[2022-10-17 17:23:01,193 INFO  L130     BoogieDeclarations]: Found specification of procedure __fswab64
[2022-10-17 17:23:01,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fswab64
[2022-10-17 17:23:01,194 INFO  L130     BoogieDeclarations]: Found specification of procedure __wake_up
[2022-10-17 17:23:01,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure __wake_up
[2022-10-17 17:23:01,194 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_name
[2022-10-17 17:23:01,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_name
[2022-10-17 17:23:01,194 INFO  L130     BoogieDeclarations]: Found specification of procedure mod_timer
[2022-10-17 17:23:01,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure mod_timer
[2022-10-17 17:23:01,195 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_release_msix
[2022-10-17 17:23:01,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_release_msix
[2022-10-17 17:23:01,195 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_end_request
[2022-10-17 17:23:01,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_end_request
[2022-10-17 17:23:01,195 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_recover_requests
[2022-10-17 17:23:01,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_recover_requests
[2022-10-17 17:23:01,195 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_set_power_state
[2022-10-17 17:23:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_set_power_state
[2022-10-17 17:23:01,196 INFO  L130     BoogieDeclarations]: Found specification of procedure warn_slowpath_null
[2022-10-17 17:23:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure warn_slowpath_null
[2022-10-17 17:23:01,196 INFO  L130     BoogieDeclarations]: Found specification of procedure devm_free_irq
[2022-10-17 17:23:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure devm_free_irq
[2022-10-17 17:23:01,196 INFO  L130     BoogieDeclarations]: Found specification of procedure msecs_to_jiffies
[2022-10-17 17:23:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies
[2022-10-17 17:23:01,197 INFO  L130     BoogieDeclarations]: Found specification of procedure __copy_from_user
[2022-10-17 17:23:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure __copy_from_user
[2022-10-17 17:23:01,197 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_disable_msi
[2022-10-17 17:23:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_disable_msi
[2022-10-17 17:23:01,197 INFO  L130     BoogieDeclarations]: Found specification of procedure readl
[2022-10-17 17:23:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure readl
[2022-10-17 17:23:01,198 INFO  L130     BoogieDeclarations]: Found specification of procedure __init_waitqueue_head
[2022-10-17 17:23:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head
[2022-10-17 17:23:01,198 INFO  L130     BoogieDeclarations]: Found specification of procedure writel
[2022-10-17 17:23:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure writel
[2022-10-17 17:23:01,198 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_pci_shutdown
[2022-10-17 17:23:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown
[2022-10-17 17:23:01,199 INFO  L130     BoogieDeclarations]: Found specification of procedure schedule_timeout
[2022-10-17 17:23:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure schedule_timeout
[2022-10-17 17:23:01,199 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-10-17 17:23:01,199 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_stop_device
[2022-10-17 17:23:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_stop_device
[2022-10-17 17:23:01,199 INFO  L130     BoogieDeclarations]: Found specification of procedure skd_acquire_irq
[2022-10-17 17:23:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure skd_acquire_irq
[2022-10-17 17:23:01,200 INFO  L130     BoogieDeclarations]: Found specification of procedure finish_wait
[2022-10-17 17:23:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure finish_wait
[2022-10-17 17:23:01,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-17 17:23:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-17 17:23:01,200 INFO  L130     BoogieDeclarations]: Found specification of procedure writeq
[2022-10-17 17:23:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure writeq
[2022-10-17 17:23:01,200 INFO  L130     BoogieDeclarations]: Found specification of procedure devm_request_irq
[2022-10-17 17:23:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure devm_request_irq
[2022-10-17 17:23:02,236 INFO  L235             CfgBuilder]: Building ICFG
[2022-10-17 17:23:02,243 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-17 17:23:02,531 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2022-10-17 17:23:02,768 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,769 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 4 == __copy_to_user_nocheck_~size#1;
[2022-10-17 17:23:02,769 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5467: SUMMARY for call __copy_to_user_nocheck_#t~ret291#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null
[2022-10-17 17:23:02,769 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5467-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret291#1 && __copy_to_user_nocheck_#t~ret291#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret291#1;havoc __copy_to_user_nocheck_#t~ret291#1;
[2022-10-17 17:23:02,769 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5455: SUMMARY for call __copy_to_user_nocheck_#t~ret290#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null
[2022-10-17 17:23:02,770 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5455-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret290#1 && __copy_to_user_nocheck_#t~ret290#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret290#1;havoc __copy_to_user_nocheck_#t~ret290#1;
[2022-10-17 17:23:02,770 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,770 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 2 == __copy_to_user_nocheck_~size#1;
[2022-10-17 17:23:02,770 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch289#1;
[2022-10-17 17:23:02,770 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch289#1;
[2022-10-17 17:23:02,770 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch289#1;
[2022-10-17 17:23:02,771 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume 0 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,771 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume !(0 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,771 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch289#1;
[2022-10-17 17:23:02,771 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := true;
[2022-10-17 17:23:02,771 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume 0 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,771 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume !(0 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,772 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch289#1;
[2022-10-17 17:23:02,772 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 16 == __copy_to_user_nocheck_~size#1;
[2022-10-17 17:23:02,772 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,772 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 10 == __copy_to_user_nocheck_~size#1;
[2022-10-17 17:23:02,772 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5477: SUMMARY for call __copy_to_user_nocheck_#t~ret292#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null
[2022-10-17 17:23:02,772 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1;
[2022-10-17 17:23:02,773 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 8 == __copy_to_user_nocheck_~size#1;
[2022-10-17 17:23:02,773 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5477-1: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret292#1;havoc __copy_to_user_nocheck_#t~ret292#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296);
[2022-10-17 17:23:05,712 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch283#1;
[2022-10-17 17:23:05,713 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: SUMMARY for call __copy_from_user_nocheck_#t~ret284#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null
[2022-10-17 17:23:05,713 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5387-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret284#1 && __copy_from_user_nocheck_#t~ret284#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret284#1;havoc __copy_from_user_nocheck_#t~ret284#1;
[2022-10-17 17:23:05,713 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch283#1;
[2022-10-17 17:23:05,713 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 16 == __copy_from_user_nocheck_~size#1;
[2022-10-17 17:23:05,713 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5400-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret285#1 && __copy_from_user_nocheck_#t~ret285#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret285#1;havoc __copy_from_user_nocheck_#t~ret285#1;
[2022-10-17 17:23:05,713 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5400: SUMMARY for call __copy_from_user_nocheck_#t~ret285#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null
[2022-10-17 17:23:05,714 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch283#1;
[2022-10-17 17:23:05,714 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := true;
[2022-10-17 17:23:05,714 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume 0 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,714 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume !(0 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,714 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch283#1;
[2022-10-17 17:23:05,714 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch283#1;
[2022-10-17 17:23:05,715 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume 0 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,715 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume !(0 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,715 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,715 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 4 == __copy_from_user_nocheck_~size#1;
[2022-10-17 17:23:05,715 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,715 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5410: SUMMARY for call __copy_from_user_nocheck_#t~ret286#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null
[2022-10-17 17:23:05,715 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 2 == __copy_from_user_nocheck_~size#1;
[2022-10-17 17:23:05,716 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5410-1: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret286#1;havoc __copy_from_user_nocheck_#t~ret286#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296);
[2022-10-17 17:23:05,716 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,716 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 8 == __copy_from_user_nocheck_~size#1;
[2022-10-17 17:23:05,716 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1;
[2022-10-17 17:23:05,716 INFO  L769   $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 10 == __copy_from_user_nocheck_~size#1;
[2022-10-17 17:23:15,540 INFO  L276             CfgBuilder]: Performing block encoding
[2022-10-17 17:23:18,838 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-17 17:23:18,838 INFO  L300             CfgBuilder]: Removed 1 assume(true) statements.
[2022-10-17 17:23:18,847 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:18 BoogieIcfgContainer
[2022-10-17 17:23:18,847 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-17 17:23:18,850 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-17 17:23:18,850 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-17 17:23:18,854 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-17 17:23:18,854 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:22:55" (1/3) ...
[2022-10-17 17:23:18,855 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73359871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:18, skipping insertion in model container
[2022-10-17 17:23:18,855 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:59" (2/3) ...
[2022-10-17 17:23:18,856 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73359871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:18, skipping insertion in model container
[2022-10-17 17:23:18,856 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:18" (3/3) ...
[2022-10-17 17:23:18,857 INFO  L112   eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i
[2022-10-17 17:23:18,884 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-17 17:23:18,884 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-17 17:23:19,021 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-17 17:23:19,032 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=LoopsAndPotentialCycles, 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;@21a0086a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-17 17:23:19,032 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-17 17:23:19,046 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1642 states, 1017 states have (on average 1.3294001966568338) internal successors, (1352), 1061 states have internal predecessors, (1352), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511)
[2022-10-17 17:23:19,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2022-10-17 17:23:19,090 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-17 17:23:19,092 INFO  L195           NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 17:23:19,093 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-10-17 17:23:19,115 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 17:23:19,115 INFO  L85        PathProgramCache]: Analyzing trace with hash 1709840978, now seen corresponding path program 1 times
[2022-10-17 17:23:19,125 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-10-17 17:23:19,125 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121640180]
[2022-10-17 17:23:19,125 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 17:23:19,126 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-17 17:23:19,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 17:23:20,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-10-17 17:23:20,373 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-10-17 17:23:20,375 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121640180]
[2022-10-17 17:23:20,376 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121640180] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 17:23:20,377 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 17:23:20,377 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-17 17:23:20,379 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966304592]
[2022-10-17 17:23:20,380 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 17:23:20,385 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-17 17:23:20,387 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-10-17 17:23:20,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-17 17:23:20,438 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 17:23:20,446 INFO  L87              Difference]: Start difference. First operand  has 1642 states, 1017 states have (on average 1.3294001966568338) internal successors, (1352), 1061 states have internal predecessors, (1352), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) Second operand  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2022-10-17 17:23:23,187 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []