./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 0ed9222f
Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 26b7dc26029e4dd46971c4b95c446eac0360ca1d
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 26b7dc26029e4dd46971c4b95c446eac0360ca1d
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample
--- Real Ultimate output ---
This is Ultimate 0.1.24-0ed9222-m
[2019-01-15 14:16:22,414 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2019-01-15 14:16:22,415 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-01-15 14:16:22,431 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-01-15 14:16:22,432 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-01-15 14:16:22,433 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-01-15 14:16:22,434 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-01-15 14:16:22,436 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-01-15 14:16:22,438 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-01-15 14:16:22,439 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-01-15 14:16:22,440 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-01-15 14:16:22,440 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-01-15 14:16:22,441 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-01-15 14:16:22,442 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-01-15 14:16:22,443 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-01-15 14:16:22,444 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-01-15 14:16:22,445 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-01-15 14:16:22,447 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-01-15 14:16:22,449 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-01-15 14:16:22,451 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-01-15 14:16:22,452 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-01-15 14:16:22,453 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-01-15 14:16:22,456 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-01-15 14:16:22,456 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-01-15 14:16:22,456 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-01-15 14:16:22,457 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-01-15 14:16:22,458 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-01-15 14:16:22,459 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-01-15 14:16:22,460 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-01-15 14:16:22,461 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-01-15 14:16:22,461 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2019-01-15 14:16:22,462 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-01-15 14:16:22,463 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-01-15 14:16:22,463 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2019-01-15 14:16:22,464 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-01-15 14:16:22,465 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2019-01-15 14:16:22,465 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2019-01-15 14:16:22,484 INFO  L110        SettingsManager]: Loading preferences was successful
[2019-01-15 14:16:22,485 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2019-01-15 14:16:22,486 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-01-15 14:16:22,486 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2019-01-15 14:16:22,486 INFO  L133        SettingsManager]:  * Use SBE=true
[2019-01-15 14:16:22,487 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-01-15 14:16:22,487 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-01-15 14:16:22,487 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2019-01-15 14:16:22,487 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-01-15 14:16:22,487 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-01-15 14:16:22,487 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-01-15 14:16:22,488 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2019-01-15 14:16:22,489 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-01-15 14:16:22,490 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-01-15 14:16:22,490 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-01-15 14:16:22,490 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2019-01-15 14:16:22,491 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-01-15 14:16:22,491 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-01-15 14:16:22,491 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-01-15 14:16:22,491 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-01-15 14:16:22,491 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-01-15 14:16:22,491 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-01-15 14:16:22,492 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-01-15 14:16:22,492 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-01-15 14:16:22,492 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-01-15 14:16:22,492 INFO  L133        SettingsManager]:  * To the following directory=dump/
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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b7dc26029e4dd46971c4b95c446eac0360ca1d
[2019-01-15 14:16:22,558 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-01-15 14:16:22,574 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-01-15 14:16:22,580 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-01-15 14:16:22,582 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-01-15 14:16:22,583 INFO  L276        PluginConnector]: CDTParser initialized
[2019-01-15 14:16:22,584 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i
[2019-01-15 14:16:22,644 INFO  L221              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f641f1e/f133803322e44aa4baa8fc572c46593b/FLAGf706b8dc9
[2019-01-15 14:16:23,379 INFO  L307              CDTParser]: Found 1 translation units.
[2019-01-15 14:16:23,380 INFO  L161              CDTParser]: Scanning /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i
[2019-01-15 14:16:23,417 INFO  L355              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f641f1e/f133803322e44aa4baa8fc572c46593b/FLAGf706b8dc9
[2019-01-15 14:16:23,463 INFO  L363              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f641f1e/f133803322e44aa4baa8fc572c46593b
[2019-01-15 14:16:23,467 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-01-15 14:16:23,469 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-01-15 14:16:23,470 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-01-15 14:16:23,470 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-01-15 14:16:23,474 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-01-15 14:16:23,475 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:23" (1/1) ...
[2019-01-15 14:16:23,478 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189d4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:23, skipping insertion in model container
[2019-01-15 14:16:23,479 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:23" (1/1) ...
[2019-01-15 14:16:23,487 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-01-15 14:16:23,643 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2019-01-15 14:16:24,151 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703]
[2019-01-15 14:16:24,151 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [3704-3705]
[2019-01-15 14:16:25,292 INFO  L208          PostProcessor]: Analyzing one entry point: main
[2019-01-15 14:16:25,312 INFO  L191         MainTranslator]: Completed pre-run
[2019-01-15 14:16:25,389 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703]
[2019-01-15 14:16:25,390 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [3704-3705]
[2019-01-15 14:16:25,575 INFO  L208          PostProcessor]: Analyzing one entry point: main
[2019-01-15 14:16:25,755 INFO  L195         MainTranslator]: Completed translation
[2019-01-15 14:16:25,756 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25 WrapperNode
[2019-01-15 14:16:25,756 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-01-15 14:16:25,757 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-01-15 14:16:25,758 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-01-15 14:16:25,758 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2019-01-15 14:16:25,772 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:25,881 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,063 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-01-15 14:16:26,064 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-01-15 14:16:26,064 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-01-15 14:16:26,064 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2019-01-15 14:16:26,081 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,082 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,112 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,113 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,251 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,285 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,312 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
[2019-01-15 14:16:26,340 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-01-15 14:16:26,341 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-01-15 14:16:26,341 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-01-15 14:16:26,341 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2019-01-15 14:16:26,342 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-01-15 14:16:26,412 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-01-15 14:16:26,412 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-01-15 14:16:26,413 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16
[2019-01-15 14:16:26,413 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-01-15 14:16:26,413 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-01-15 14:16:26,413 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-01-15 14:16:26,413 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-01-15 14:16:26,414 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-01-15 14:16:26,415 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-01-15 14:16:26,415 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-01-15 14:16:26,415 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-01-15 14:16:26,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-01-15 14:16:33,000 INFO  L281             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-01-15 14:16:33,000 INFO  L286             CfgBuilder]: Removed 517 assue(true) statements.
[2019-01-15 14:16:33,002 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:16:33 BoogieIcfgContainer
[2019-01-15 14:16:33,002 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-01-15 14:16:33,003 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-01-15 14:16:33,003 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-01-15 14:16:33,007 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2019-01-15 14:16:33,007 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.01 02:16:23" (1/3) ...
[2019-01-15 14:16:33,008 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f266c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:16:33, skipping insertion in model container
[2019-01-15 14:16:33,008 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (2/3) ...
[2019-01-15 14:16:33,008 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f266c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:16:33, skipping insertion in model container
[2019-01-15 14:16:33,008 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:16:33" (3/3) ...
[2019-01-15 14:16:33,010 INFO  L112   eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i
[2019-01-15 14:16:33,020 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-01-15 14:16:33,037 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations.
[2019-01-15 14:16:33,057 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2019-01-15 14:16:33,111 INFO  L133   ementStrategyFactory]: Using default assertion order modulation
[2019-01-15 14:16:33,112 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2019-01-15 14:16:33,112 INFO  L383      AbstractCegarLoop]: Hoare is true
[2019-01-15 14:16:33,112 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-01-15 14:16:33,112 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-01-15 14:16:33,113 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-01-15 14:16:33,113 INFO  L387      AbstractCegarLoop]: Difference is false
[2019-01-15 14:16:33,113 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-01-15 14:16:33,114 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-01-15 14:16:33,151 INFO  L276                IsEmpty]: Start isEmpty. Operand 557 states.
[2019-01-15 14:16:33,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2019-01-15 14:16:33,163 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:16:33,164 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:16:33,167 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:16:33,173 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:16:33,173 INFO  L82        PathProgramCache]: Analyzing trace with hash 595238027, now seen corresponding path program 1 times
[2019-01-15 14:16:33,175 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-01-15 14:16:33,176 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-01-15 14:16:33,262 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:33,262 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:16:33,262 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:33,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:16:33,787 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-01-15 14:16:33,790 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:16:33,790 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-01-15 14:16:33,794 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:16:33,804 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:16:33,804 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:16:33,806 INFO  L87              Difference]: Start difference. First operand 557 states. Second operand 3 states.
[2019-01-15 14:16:34,145 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:16:34,145 INFO  L93              Difference]: Finished difference Result 1540 states and 2204 transitions.
[2019-01-15 14:16:34,146 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:16:34,147 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 29
[2019-01-15 14:16:34,148 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:16:34,174 INFO  L225             Difference]: With dead ends: 1540
[2019-01-15 14:16:34,175 INFO  L226             Difference]: Without dead ends: 969
[2019-01-15 14:16:34,182 INFO  L631         BasicCegarLoop]: 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
[2019-01-15 14:16:34,209 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 969 states.
[2019-01-15 14:16:34,314 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 965.
[2019-01-15 14:16:34,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 965 states.
[2019-01-15 14:16:34,321 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1370 transitions.
[2019-01-15 14:16:34,323 INFO  L78                 Accepts]: Start accepts. Automaton has 965 states and 1370 transitions. Word has length 29
[2019-01-15 14:16:34,323 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:16:34,323 INFO  L480      AbstractCegarLoop]: Abstraction has 965 states and 1370 transitions.
[2019-01-15 14:16:34,324 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:16:34,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 965 states and 1370 transitions.
[2019-01-15 14:16:34,328 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2019-01-15 14:16:34,329 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:16:34,329 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:16:34,329 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:16:34,329 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:16:34,330 INFO  L82        PathProgramCache]: Analyzing trace with hash -488716941, now seen corresponding path program 1 times
[2019-01-15 14:16:34,331 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-01-15 14:16:34,331 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-01-15 14:16:34,344 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:34,344 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:16:34,344 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:34,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:16:34,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-01-15 14:16:34,530 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:16:34,530 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-01-15 14:16:34,532 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:16:34,532 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:16:34,532 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:16:34,533 INFO  L87              Difference]: Start difference. First operand 965 states and 1370 transitions. Second operand 3 states.
[2019-01-15 14:16:35,143 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:16:35,143 INFO  L93              Difference]: Finished difference Result 2213 states and 3138 transitions.
[2019-01-15 14:16:35,144 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:16:35,144 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 40
[2019-01-15 14:16:35,145 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:16:35,153 INFO  L225             Difference]: With dead ends: 2213
[2019-01-15 14:16:35,153 INFO  L226             Difference]: Without dead ends: 1263
[2019-01-15 14:16:35,157 INFO  L631         BasicCegarLoop]: 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
[2019-01-15 14:16:35,160 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1263 states.
[2019-01-15 14:16:35,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1254.
[2019-01-15 14:16:35,201 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1254 states.
[2019-01-15 14:16:35,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1778 transitions.
[2019-01-15 14:16:35,207 INFO  L78                 Accepts]: Start accepts. Automaton has 1254 states and 1778 transitions. Word has length 40
[2019-01-15 14:16:35,207 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:16:35,207 INFO  L480      AbstractCegarLoop]: Abstraction has 1254 states and 1778 transitions.
[2019-01-15 14:16:35,207 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:16:35,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 1254 states and 1778 transitions.
[2019-01-15 14:16:35,211 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2019-01-15 14:16:35,211 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:16:35,212 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1]
[2019-01-15 14:16:35,212 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:16:35,212 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:16:35,213 INFO  L82        PathProgramCache]: Analyzing trace with hash -1128667714, now seen corresponding path program 1 times
[2019-01-15 14:16:35,213 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-01-15 14:16:35,213 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-01-15 14:16:35,218 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:35,219 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:16:35,219 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:35,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:16:35,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-01-15 14:16:35,530 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:16:35,530 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-01-15 14:16:35,530 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:16:35,531 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:16:35,531 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:16:35,531 INFO  L87              Difference]: Start difference. First operand 1254 states and 1778 transitions. Second operand 3 states.
[2019-01-15 14:16:35,873 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:16:35,873 INFO  L93              Difference]: Finished difference Result 1254 states and 1778 transitions.
[2019-01-15 14:16:35,874 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:16:35,874 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2019-01-15 14:16:35,874 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:16:35,883 INFO  L225             Difference]: With dead ends: 1254
[2019-01-15 14:16:35,884 INFO  L226             Difference]: Without dead ends: 1250
[2019-01-15 14:16:35,885 INFO  L631         BasicCegarLoop]: 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
[2019-01-15 14:16:35,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1250 states.
[2019-01-15 14:16:35,940 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250.
[2019-01-15 14:16:35,941 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1250 states.
[2019-01-15 14:16:35,946 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1772 transitions.
[2019-01-15 14:16:35,946 INFO  L78                 Accepts]: Start accepts. Automaton has 1250 states and 1772 transitions. Word has length 47
[2019-01-15 14:16:35,947 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:16:35,947 INFO  L480      AbstractCegarLoop]: Abstraction has 1250 states and 1772 transitions.
[2019-01-15 14:16:35,947 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:16:35,947 INFO  L276                IsEmpty]: Start isEmpty. Operand 1250 states and 1772 transitions.
[2019-01-15 14:16:35,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2019-01-15 14:16:35,950 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:16:35,951 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:16:35,951 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:16:35,951 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:16:35,951 INFO  L82        PathProgramCache]: Analyzing trace with hash -1932800416, now seen corresponding path program 1 times
[2019-01-15 14:16:35,952 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-01-15 14:16:35,952 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-01-15 14:16:35,955 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:35,956 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:16:35,956 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:36,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:16:36,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-01-15 14:16:36,170 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:16:36,170 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-01-15 14:16:36,171 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:16:36,171 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:16:36,171 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:16:36,172 INFO  L87              Difference]: Start difference. First operand 1250 states and 1772 transitions. Second operand 3 states.
[2019-01-15 14:16:36,639 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:16:36,640 INFO  L93              Difference]: Finished difference Result 3616 states and 5140 transitions.
[2019-01-15 14:16:36,641 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:16:36,641 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2019-01-15 14:16:36,642 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:16:36,657 INFO  L225             Difference]: With dead ends: 3616
[2019-01-15 14:16:36,657 INFO  L226             Difference]: Without dead ends: 2381
[2019-01-15 14:16:36,661 INFO  L631         BasicCegarLoop]: 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
[2019-01-15 14:16:36,665 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2381 states.
[2019-01-15 14:16:36,744 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1254.
[2019-01-15 14:16:36,744 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1254 states.
[2019-01-15 14:16:36,749 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1772 transitions.
[2019-01-15 14:16:36,750 INFO  L78                 Accepts]: Start accepts. Automaton has 1254 states and 1772 transitions. Word has length 58
[2019-01-15 14:16:36,750 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:16:36,750 INFO  L480      AbstractCegarLoop]: Abstraction has 1254 states and 1772 transitions.
[2019-01-15 14:16:36,750 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:16:36,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 1254 states and 1772 transitions.
[2019-01-15 14:16:36,754 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2019-01-15 14:16:36,754 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:16:36,754 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:16:36,755 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:16:36,755 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:16:36,755 INFO  L82        PathProgramCache]: Analyzing trace with hash 1969139870, now seen corresponding path program 1 times
[2019-01-15 14:16:36,755 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-01-15 14:16:36,755 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-01-15 14:16:36,760 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:36,760 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:16:36,760 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-01-15 14:16:40,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-01-15 14:16:44,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-01-15 14:16:44,303 INFO  L469         BasicCegarLoop]: Counterexample might be feasible
[2019-01-15 14:16:44,671 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.01 02:16:44 BoogieIcfgContainer
[2019-01-15 14:16:44,672 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-01-15 14:16:44,673 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-01-15 14:16:44,673 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-01-15 14:16:44,673 INFO  L276        PluginConnector]: Witness Printer initialized
[2019-01-15 14:16:44,674 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:16:33" (3/4) ...
[2019-01-15 14:16:44,679 INFO  L147         WitnessPrinter]: No result that supports witness generation found
[2019-01-15 14:16:44,680 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-01-15 14:16:44,680 INFO  L168              Benchmark]: Toolchain (without parser) took 21212.93 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 839.9 MB). Free memory was 935.1 MB in the beginning and 1.6 GB in the end (delta: -655.8 MB). Peak memory consumption was 184.1 MB. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,684 INFO  L168              Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,686 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 2286.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 935.1 MB in the beginning and 1.0 GB in the end (delta: -91.8 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,687 INFO  L168              Benchmark]: Boogie Procedure Inliner took 306.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,689 INFO  L168              Benchmark]: Boogie Preprocessor took 276.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 991.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,690 INFO  L168              Benchmark]: RCFGBuilder took 6661.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 991.7 MB in the beginning and 931.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,692 INFO  L168              Benchmark]: TraceAbstraction took 11669.21 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 567.8 MB). Free memory was 931.3 MB in the beginning and 1.6 GB in the end (delta: -659.6 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,694 INFO  L168              Benchmark]: Witness Printer took 6.66 ms. Allocated memory is still 1.9 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-01-15 14:16:44,702 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 2286.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 935.1 MB in the beginning and 1.0 GB in the end (delta: -91.8 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 306.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 276.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 991.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 6661.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 991.7 MB in the beginning and 931.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 11669.21 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 567.8 MB). Free memory was 931.3 MB in the beginning and 1.6 GB in the end (delta: -659.6 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB.
 * Witness Printer took 6.66 ms. Allocated memory is still 1.9 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 3980]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: overapproximation of large string literal at line 5876, overapproximation of bitwiseAnd at line 6548. 
Possible FailurePath: 
[L4003]                    int ldv_irq_1_2 = 0;
[L4004]                    int LDV_IN_INTERRUPT = 1;
[L4005]                    int ldv_irq_1_3 = 0;
[L4006]                    void *ldv_irq_data_1_1 ;
[L4007]                    int ldv_irq_1_1 = 0;
[L4008]                    int ldv_irq_1_0 = 0;
[L4009]                    struct urb *max3421_hcd_desc_group0 ;
[L4010]                    int ldv_irq_line_1_3 ;
[L4011]                    void *ldv_irq_data_1_0 ;
[L4012]                    int ldv_state_variable_0 ;
[L4013]                    struct usb_hcd *max3421_hcd_desc_group1 ;
[L4014]                    int ldv_state_variable_3 ;
[L4015]                    int ldv_irq_line_1_0 ;
[L4016]                    int ldv_state_variable_2 ;
[L4017]                    void *ldv_irq_data_1_3 ;
[L4018]                    struct spi_device *max3421_driver_group0 ;
[L4019]                    int ref_cnt ;
[L4020]                    int ldv_irq_line_1_1 ;
[L4021]                    void *ldv_irq_data_1_2 ;
[L4022]                    int ldv_state_variable_1 ;
[L4023]                    int ldv_irq_line_1_2 ;
[L4201]                    static struct max3421_hcd *max3421_hcd_list ;
[L4202-L4206]              static int const hrsl_to_error[16U] =
  { 0, -22, -22, -22,
        -11, -32, -84, -71,
        -121, -71, -71, -84,
        -5, -5, -62, -75};
[L5875-L5881]              static struct hc_driver max3421_hcd_desc =
     {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset,
    & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue,
    & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma,
    & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control,
    & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
[L6020-L6022]              static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module,
                                                    0, (_Bool)0, 0, 0, 0, 0, 0, 0,
                                                    0, 0, 0, 0}};
[L6038]                    int ldv_retval_0 ;
[L6039]                    int ldv_retval_1 ;
[L6042]                    int ldv_retval_2 ;
[L6544]                    int ldv_spin = 0;
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6187]                    char *ldvarg7 ;
[L6188]                    void *tmp ;
[L6189]                    u16 ldvarg3 ;
[L6190]                    u16 tmp___0 ;
[L6191]                    u16 ldvarg0 ;
[L6192]                    u16 tmp___1 ;
[L6193]                    gfp_t ldvarg5 ;
[L6194]                    gfp_t ldvarg6 ;
[L6195]                    struct usb_host_endpoint *ldvarg8 ;
[L6196]                    void *tmp___2 ;
[L6197]                    u16 ldvarg1 ;
[L6198]                    u16 tmp___3 ;
[L6199]                    char *ldvarg4 ;
[L6200]                    void *tmp___4 ;
[L6201]                    int ldvarg9 ;
[L6202]                    int tmp___5 ;
[L6203]                    u16 ldvarg2 ;
[L6204]                    u16 tmp___6 ;
[L6205]                    int tmp___7 ;
[L6206]                    int tmp___8 ;
[L6207]                    int tmp___9 ;
[L6208]                    int tmp___10 ;
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6210]                    tmp = ldv_zalloc(1UL)
[L6211]                    ldvarg7 = (char *)tmp
[L6212]                    tmp___0 = __VERIFIER_nondet_u16()
[L6213]                    ldvarg3 = tmp___0
[L6214]                    tmp___1 = __VERIFIER_nondet_u16()
[L6215]                    ldvarg0 = tmp___1
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6216]                    tmp___2 = ldv_zalloc(72UL)
[L6217]                    ldvarg8 = (struct usb_host_endpoint *)tmp___2
[L6218]                    tmp___3 = __VERIFIER_nondet_u16()
[L6219]                    ldvarg1 = tmp___3
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6220]                    tmp___4 = ldv_zalloc(1UL)
[L6221]                    ldvarg4 = (char *)tmp___4
[L6222]                    tmp___5 = __VERIFIER_nondet_int()
[L6223]                    ldvarg9 = tmp___5
[L6224]                    tmp___6 = __VERIFIER_nondet_u16()
[L6225]                    ldvarg2 = tmp___6
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6227]                    ldvarg5 = (gfp_t)__VERIFIER_nondet_int()
[L6228]                    ldvarg6 = (gfp_t)__VERIFIER_nondet_int()
[L6229]                    ldv_state_variable_1 = 1
[L6230]                    ref_cnt = 0
[L6231]                    ldv_state_variable_0 = 1
[L6232]                    ldv_state_variable_3 = 0
[L6233]                    ldv_state_variable_2 = 0
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6235]                    tmp___7 = __VERIFIER_nondet_int()
[L6237]                    case 0:
[L6243]                    case 1:
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6244]        COND TRUE   ldv_state_variable_0 != 0
[L6245]                    tmp___8 = __VERIFIER_nondet_int()
[L6247]                    case 0:
[L6255]                    case 1:
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6256]        COND TRUE   ldv_state_variable_0 == 1
[L6025]                    int tmp ;
[L6693]                    return __VERIFIER_nondet_int();
[L6027]                    tmp = spi_register_driver(& max3421_driver)
[L6028]                    return (tmp);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6257]                    ldv_retval_0 = max3421_driver_init()
[L6258]        COND TRUE   ldv_retval_0 == 0
[L6259]                    ldv_state_variable_0 = 3
[L6260]                    ldv_state_variable_2 = 1
[L6152]                    void *tmp ;
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6154]                    tmp = ldv_zalloc(1496UL)
[L6155]                    max3421_driver_group0 = (struct spi_device *)tmp
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6262]                    ldv_state_variable_3 = 1
[L6115]                    void *tmp ;
[L6116]                    void *tmp___0 ;
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6118]                    tmp = ldv_zalloc(192UL)
[L6119]                    max3421_hcd_desc_group0 = (struct urb *)tmp
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6120]                    tmp___0 = ldv_zalloc(968UL)
[L6121]                    max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6266]        COND FALSE  !(ldv_retval_0 != 0)
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6235]                    tmp___7 = __VERIFIER_nondet_int()
[L6237]                    case 0:
[L6243]                    case 1:
[L6281]                    case 2:
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6282]        COND TRUE   ldv_state_variable_3 != 0
[L6283]                    tmp___9 = __VERIFIER_nondet_int()
[L6285]                    case 0:
[L6296]                    case 1:
[L6308]                    case 2:
[L6320]                    case 3:
[L6332]                    case 4:
[L6344]                    case 5:
[L6356]                    case 6:
[L6368]                    case 7:
[L6380]                    case 8:
[L6388]                    case 9:
[L6400]                    case 10:
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6401]        COND TRUE   ldv_state_variable_3 == 1
[L5528]                    struct spi_device *spi ;
[L5529]                    struct spi_device *tmp ;
[L5530]                    struct max3421_hcd *max3421_hcd ;
[L5531]                    struct max3421_hcd *tmp___0 ;
[L5532]                    struct max3421_ep *max3421_ep ;
[L5533]                    unsigned long flags ;
[L5534]                    int retval ;
[L5535]                    void *tmp___1 ;
[L5537]        EXPR        hcd->self.controller
[L4055]                    struct device const *__mptr ;
[L4056]                    struct spi_device *tmp ;
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L4058]        COND TRUE   (unsigned long )dev != (unsigned long )((struct device *)0)
[L4059]                    __mptr = (struct device const *)dev
[L4060]                    tmp = (struct spi_device *)__mptr
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L4064]                    return (tmp);
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L5537]                    tmp = to_spi_device(hcd->self.controller)
[L5538]                    spi = tmp
[L4216]                    return ((struct max3421_hcd *)(& hcd->hcd_priv));
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L5539]                    tmp___0 = hcd_to_max3421(hcd)
[L5540]                    max3421_hcd = tmp___0
[L5541]                    urb->pipe
[L5542]                    case 1U:
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L5543]                    case 0U:
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L5550]                    default:
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L6581]                    ldv_spin = 1
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L5555]        EXPR        urb->ep
[L5555]        EXPR        (urb->ep)->hcpriv
[L5555]                    max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv
[L5556]        COND TRUE   (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0)
[L6548]        COND FALSE  !(ldv_spin == 0 || ! (flags & 16U))
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]
[L3980]                    __VERIFIER_error()
               VAL         [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 557 locations, 4 error locations. UNSAFE Result, 11.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3857 SDtfs, 2070 SDslu, 2393 SDs, 0 SdLazy, 119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1254occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1140 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 12536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...

### Bit-precise run ###
This is Ultimate 0.1.24-0ed9222-m
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[2019-01-15 14:16:47,177 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-01-15 14:16:47,179 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-01-15 14:16:47,180 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-01-15 14:16:47,181 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2019-01-15 14:16:47,181 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-01-15 14:16:47,182 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-01-15 14:16:47,182 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2019-01-15 14:16:47,184 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-01-15 14:16:47,184 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2019-01-15 14:16:47,185 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2019-01-15 14:16:47,219 INFO  L110        SettingsManager]: Loading preferences was successful
[2019-01-15 14:16:47,220 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2019-01-15 14:16:47,222 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-01-15 14:16:47,222 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2019-01-15 14:16:47,222 INFO  L133        SettingsManager]:  * Use SBE=true
[2019-01-15 14:16:47,222 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-01-15 14:16:47,223 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2019-01-15 14:16:47,224 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-01-15 14:16:47,224 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-01-15 14:16:47,224 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-01-15 14:16:47,224 INFO  L133        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-01-15 14:16:47,225 INFO  L133        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-01-15 14:16:47,225 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2019-01-15 14:16:47,225 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-01-15 14:16:47,225 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-01-15 14:16:47,225 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-01-15 14:16:47,226 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2019-01-15 14:16:47,227 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-01-15 14:16:47,227 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-01-15 14:16:47,227 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-01-15 14:16:47,228 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-01-15 14:16:47,228 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-01-15 14:16:47,228 INFO  L133        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-01-15 14:16:47,228 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-01-15 14:16:47,228 INFO  L133        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt 
[2019-01-15 14:16:47,228 INFO  L133        SettingsManager]:  * Logic for external solver=AUFBV
[2019-01-15 14:16:47,229 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-01-15 14:16:47,229 INFO  L133        SettingsManager]:  * To the following directory=dump/
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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b7dc26029e4dd46971c4b95c446eac0360ca1d
[2019-01-15 14:16:47,286 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-01-15 14:16:47,305 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-01-15 14:16:47,314 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-01-15 14:16:47,316 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-01-15 14:16:47,316 INFO  L276        PluginConnector]: CDTParser initialized
[2019-01-15 14:16:47,318 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i
[2019-01-15 14:16:47,375 INFO  L221              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254a39761/bb6e300ccacb4fadbd6fd58a2fec7958/FLAGa422be527
[2019-01-15 14:16:48,125 INFO  L307              CDTParser]: Found 1 translation units.
[2019-01-15 14:16:48,126 INFO  L161              CDTParser]: Scanning /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i
[2019-01-15 14:16:48,169 INFO  L355              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254a39761/bb6e300ccacb4fadbd6fd58a2fec7958/FLAGa422be527
[2019-01-15 14:16:48,660 INFO  L363              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254a39761/bb6e300ccacb4fadbd6fd58a2fec7958
[2019-01-15 14:16:48,664 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-01-15 14:16:48,666 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-01-15 14:16:48,667 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-01-15 14:16:48,667 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-01-15 14:16:48,670 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-01-15 14:16:48,671 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:48" (1/1) ...
[2019-01-15 14:16:48,674 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12efd5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:48, skipping insertion in model container
[2019-01-15 14:16:48,674 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:48" (1/1) ...
[2019-01-15 14:16:48,682 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-01-15 14:16:48,819 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2019-01-15 14:16:49,352 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703]
[2019-01-15 14:16:49,353 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [3704-3705]
[2019-01-15 14:16:50,688 INFO  L208          PostProcessor]: Analyzing one entry point: main
[2019-01-15 14:16:50,720 INFO  L191         MainTranslator]: Completed pre-run
[2019-01-15 14:16:50,814 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703]
[2019-01-15 14:16:50,815 WARN  L1127              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [3704-3705]
[2019-01-15 14:16:51,006 INFO  L208          PostProcessor]: Analyzing one entry point: main
[2019-01-15 14:16:51,273 INFO  L195         MainTranslator]: Completed translation
[2019-01-15 14:16:51,274 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51 WrapperNode
[2019-01-15 14:16:51,274 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-01-15 14:16:51,275 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-01-15 14:16:51,275 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-01-15 14:16:51,275 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2019-01-15 14:16:51,287 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,368 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,544 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-01-15 14:16:51,545 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-01-15 14:16:51,545 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-01-15 14:16:51,545 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2019-01-15 14:16:51,557 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,558 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,578 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,579 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,706 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,727 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,755 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
[2019-01-15 14:16:51,789 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-01-15 14:16:51,790 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-01-15 14:16:51,790 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-01-15 14:16:51,790 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2019-01-15 14:16:51,791 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-01-15 14:16:51,873 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2019-01-15 14:16:51,874 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE8
[2019-01-15 14:16:51,874 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2019-01-15 14:16:51,874 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE2
[2019-01-15 14:16:51,874 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16
[2019-01-15 14:16:51,874 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-01-15 14:16:51,877 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-01-15 14:16:51,877 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-01-15 14:16:51,877 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-01-15 14:16:51,878 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2019-01-15 14:16:51,878 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE2
[2019-01-15 14:16:51,878 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-01-15 14:16:51,881 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2019-01-15 14:16:51,881 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-01-15 14:16:51,881 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2019-01-15 14:16:51,881 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4
[2019-01-15 14:16:51,882 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-01-15 14:16:51,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-01-15 14:17:15,934 INFO  L281             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-01-15 14:17:15,935 INFO  L286             CfgBuilder]: Removed 517 assue(true) statements.
[2019-01-15 14:17:15,938 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:17:15 BoogieIcfgContainer
[2019-01-15 14:17:15,938 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-01-15 14:17:15,939 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-01-15 14:17:15,939 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-01-15 14:17:15,945 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2019-01-15 14:17:15,945 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.01 02:16:48" (1/3) ...
[2019-01-15 14:17:15,946 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fedbc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:17:15, skipping insertion in model container
[2019-01-15 14:17:15,947 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (2/3) ...
[2019-01-15 14:17:15,947 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fedbc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:17:15, skipping insertion in model container
[2019-01-15 14:17:15,947 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:17:15" (3/3) ...
[2019-01-15 14:17:15,949 INFO  L112   eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i
[2019-01-15 14:17:15,959 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-01-15 14:17:15,968 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations.
[2019-01-15 14:17:15,985 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2019-01-15 14:17:16,021 INFO  L133   ementStrategyFactory]: Using default assertion order modulation
[2019-01-15 14:17:16,023 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2019-01-15 14:17:16,023 INFO  L383      AbstractCegarLoop]: Hoare is true
[2019-01-15 14:17:16,023 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-01-15 14:17:16,023 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-01-15 14:17:16,023 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-01-15 14:17:16,023 INFO  L387      AbstractCegarLoop]: Difference is false
[2019-01-15 14:17:16,024 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-01-15 14:17:16,024 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-01-15 14:17:16,053 INFO  L276                IsEmpty]: Start isEmpty. Operand 557 states.
[2019-01-15 14:17:16,073 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2019-01-15 14:17:16,073 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:17:16,075 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:17:16,077 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:17:16,084 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:17:16,084 INFO  L82        PathProgramCache]: Analyzing trace with hash 595238027, now seen corresponding path program 1 times
[2019-01-15 14:17:16,092 INFO  L223   ckRefinementStrategy]: Switched to mode CVC4_FPBP
[2019-01-15 14:17:16,093 INFO  L69    tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk
[2019-01-15 14:17:16,133 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:17:16,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:17:16,622 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2019-01-15 14:17:16,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-01-15 14:17:16,653 INFO  L312         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2019-01-15 14:17:16,663 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:17:16,663 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-01-15 14:17:16,667 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:17:16,678 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:17:16,679 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:16,681 INFO  L87              Difference]: Start difference. First operand 557 states. Second operand 3 states.
[2019-01-15 14:17:17,537 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:17:17,538 INFO  L93              Difference]: Finished difference Result 1540 states and 2204 transitions.
[2019-01-15 14:17:17,539 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:17:17,621 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 29
[2019-01-15 14:17:17,625 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:17:17,661 INFO  L225             Difference]: With dead ends: 1540
[2019-01-15 14:17:17,663 INFO  L226             Difference]: Without dead ends: 969
[2019-01-15 14:17:17,669 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:17,690 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 969 states.
[2019-01-15 14:17:17,807 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 965.
[2019-01-15 14:17:17,809 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 965 states.
[2019-01-15 14:17:17,814 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1370 transitions.
[2019-01-15 14:17:17,815 INFO  L78                 Accepts]: Start accepts. Automaton has 965 states and 1370 transitions. Word has length 29
[2019-01-15 14:17:17,816 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:17:17,816 INFO  L480      AbstractCegarLoop]: Abstraction has 965 states and 1370 transitions.
[2019-01-15 14:17:17,816 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:17:17,816 INFO  L276                IsEmpty]: Start isEmpty. Operand 965 states and 1370 transitions.
[2019-01-15 14:17:17,820 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2019-01-15 14:17:17,820 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:17:17,820 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:17:17,821 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:17:17,821 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:17:17,821 INFO  L82        PathProgramCache]: Analyzing trace with hash -488716941, now seen corresponding path program 1 times
[2019-01-15 14:17:17,823 INFO  L223   ckRefinementStrategy]: Switched to mode CVC4_FPBP
[2019-01-15 14:17:17,823 INFO  L69    tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk
[2019-01-15 14:17:17,874 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:17:18,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:17:18,289 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2019-01-15 14:17:18,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-01-15 14:17:18,300 INFO  L312         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2019-01-15 14:17:18,303 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:17:18,303 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-01-15 14:17:18,304 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:17:18,304 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:17:18,305 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:18,307 INFO  L87              Difference]: Start difference. First operand 965 states and 1370 transitions. Second operand 3 states.
[2019-01-15 14:17:19,383 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:17:19,384 INFO  L93              Difference]: Finished difference Result 2213 states and 3138 transitions.
[2019-01-15 14:17:19,385 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:17:19,385 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 40
[2019-01-15 14:17:19,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:17:19,393 INFO  L225             Difference]: With dead ends: 2213
[2019-01-15 14:17:19,393 INFO  L226             Difference]: Without dead ends: 1263
[2019-01-15 14:17:19,396 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:19,399 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1263 states.
[2019-01-15 14:17:19,442 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1254.
[2019-01-15 14:17:19,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1254 states.
[2019-01-15 14:17:19,447 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1778 transitions.
[2019-01-15 14:17:19,449 INFO  L78                 Accepts]: Start accepts. Automaton has 1254 states and 1778 transitions. Word has length 40
[2019-01-15 14:17:19,449 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:17:19,449 INFO  L480      AbstractCegarLoop]: Abstraction has 1254 states and 1778 transitions.
[2019-01-15 14:17:19,449 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:17:19,450 INFO  L276                IsEmpty]: Start isEmpty. Operand 1254 states and 1778 transitions.
[2019-01-15 14:17:19,453 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2019-01-15 14:17:19,454 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:17:19,454 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1]
[2019-01-15 14:17:19,454 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:17:19,455 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:17:19,455 INFO  L82        PathProgramCache]: Analyzing trace with hash -1128667714, now seen corresponding path program 1 times
[2019-01-15 14:17:19,458 INFO  L223   ckRefinementStrategy]: Switched to mode CVC4_FPBP
[2019-01-15 14:17:19,458 INFO  L69    tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk
[2019-01-15 14:17:19,499 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:17:19,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:17:19,996 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2019-01-15 14:17:20,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-01-15 14:17:20,054 INFO  L312         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2019-01-15 14:17:20,057 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:17:20,057 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-01-15 14:17:20,058 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:17:20,059 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:17:20,061 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:20,061 INFO  L87              Difference]: Start difference. First operand 1254 states and 1778 transitions. Second operand 3 states.
[2019-01-15 14:17:20,417 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:17:20,417 INFO  L93              Difference]: Finished difference Result 1254 states and 1778 transitions.
[2019-01-15 14:17:20,419 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:17:20,419 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2019-01-15 14:17:20,419 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:17:20,429 INFO  L225             Difference]: With dead ends: 1254
[2019-01-15 14:17:20,429 INFO  L226             Difference]: Without dead ends: 1250
[2019-01-15 14:17:20,430 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:20,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1250 states.
[2019-01-15 14:17:20,494 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250.
[2019-01-15 14:17:20,494 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1250 states.
[2019-01-15 14:17:20,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1772 transitions.
[2019-01-15 14:17:20,502 INFO  L78                 Accepts]: Start accepts. Automaton has 1250 states and 1772 transitions. Word has length 47
[2019-01-15 14:17:20,503 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:17:20,503 INFO  L480      AbstractCegarLoop]: Abstraction has 1250 states and 1772 transitions.
[2019-01-15 14:17:20,503 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:17:20,503 INFO  L276                IsEmpty]: Start isEmpty. Operand 1250 states and 1772 transitions.
[2019-01-15 14:17:20,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2019-01-15 14:17:20,509 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:17:20,510 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:17:20,510 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:17:20,510 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:17:20,511 INFO  L82        PathProgramCache]: Analyzing trace with hash -1932800416, now seen corresponding path program 1 times
[2019-01-15 14:17:20,512 INFO  L223   ckRefinementStrategy]: Switched to mode CVC4_FPBP
[2019-01-15 14:17:20,512 INFO  L69    tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk
[2019-01-15 14:17:20,573 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:17:21,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-01-15 14:17:21,192 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2019-01-15 14:17:21,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-01-15 14:17:21,263 INFO  L312         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2019-01-15 14:17:21,266 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-01-15 14:17:21,267 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-01-15 14:17:21,268 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-01-15 14:17:21,268 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-01-15 14:17:21,269 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:21,269 INFO  L87              Difference]: Start difference. First operand 1250 states and 1772 transitions. Second operand 3 states.
[2019-01-15 14:17:21,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-01-15 14:17:21,774 INFO  L93              Difference]: Finished difference Result 3616 states and 5140 transitions.
[2019-01-15 14:17:21,776 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-01-15 14:17:21,777 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2019-01-15 14:17:21,777 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-01-15 14:17:21,795 INFO  L225             Difference]: With dead ends: 3616
[2019-01-15 14:17:21,795 INFO  L226             Difference]: Without dead ends: 2381
[2019-01-15 14:17:21,799 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-01-15 14:17:21,804 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2381 states.
[2019-01-15 14:17:21,893 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1254.
[2019-01-15 14:17:21,893 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1254 states.
[2019-01-15 14:17:21,899 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1772 transitions.
[2019-01-15 14:17:21,899 INFO  L78                 Accepts]: Start accepts. Automaton has 1254 states and 1772 transitions. Word has length 58
[2019-01-15 14:17:21,900 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-01-15 14:17:21,902 INFO  L480      AbstractCegarLoop]: Abstraction has 1254 states and 1772 transitions.
[2019-01-15 14:17:21,902 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-01-15 14:17:21,902 INFO  L276                IsEmpty]: Start isEmpty. Operand 1254 states and 1772 transitions.
[2019-01-15 14:17:21,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2019-01-15 14:17:21,905 INFO  L394         BasicCegarLoop]: Found error trace
[2019-01-15 14:17:21,906 INFO  L402         BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-01-15 14:17:21,907 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-01-15 14:17:21,907 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-01-15 14:17:21,908 INFO  L82        PathProgramCache]: Analyzing trace with hash 1969139870, now seen corresponding path program 1 times
[2019-01-15 14:17:21,909 INFO  L223   ckRefinementStrategy]: Switched to mode CVC4_FPBP
[2019-01-15 14:17:21,909 INFO  L69    tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk
[2019-01-15 14:17:21,959 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-01-15 14:20:37,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-01-15 14:24:09,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-01-15 14:24:11,128 INFO  L469         BasicCegarLoop]: Counterexample might be feasible
[2019-01-15 14:24:11,566 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.01 02:24:11 BoogieIcfgContainer
[2019-01-15 14:24:11,567 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-01-15 14:24:11,567 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-01-15 14:24:11,567 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-01-15 14:24:11,567 INFO  L276        PluginConnector]: Witness Printer initialized
[2019-01-15 14:24:11,568 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:17:15" (3/4) ...
[2019-01-15 14:24:11,573 INFO  L147         WitnessPrinter]: No result that supports witness generation found
[2019-01-15 14:24:11,573 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-01-15 14:24:11,574 INFO  L168              Benchmark]: Toolchain (without parser) took 442909.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.1 MB). Free memory was 941.8 MB in the beginning and 1.2 GB in the end (delta: -280.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,576 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,576 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 2607.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -75.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,578 INFO  L168              Benchmark]: Boogie Procedure Inliner took 269.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,578 INFO  L168              Benchmark]: Boogie Preprocessor took 244.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,579 INFO  L168              Benchmark]: RCFGBuilder took 24148.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 982.9 MB in the beginning and 864.8 MB in the end (delta: 118.1 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,580 INFO  L168              Benchmark]: TraceAbstraction took 415627.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 72.4 MB). Free memory was 864.8 MB in the beginning and 1.2 GB in the end (delta: -357.0 MB). Peak memory consumption was 154.9 MB. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,581 INFO  L168              Benchmark]: Witness Printer took 5.96 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-01-15 14:24:11,586 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 2607.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -75.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 269.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 244.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 24148.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 982.9 MB in the beginning and 864.8 MB in the end (delta: 118.1 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 415627.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 72.4 MB). Free memory was 864.8 MB in the beginning and 1.2 GB in the end (delta: -357.0 MB). Peak memory consumption was 154.9 MB. Max. memory is 11.5 GB.
 * Witness Printer took 5.96 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 3980]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: overapproximation of large string literal at line 5876. 
Possible FailurePath: 
[L4003]                    int ldv_irq_1_2 = 0;
[L4004]                    int LDV_IN_INTERRUPT = 1;
[L4005]                    int ldv_irq_1_3 = 0;
[L4006]                    void *ldv_irq_data_1_1 ;
[L4007]                    int ldv_irq_1_1 = 0;
[L4008]                    int ldv_irq_1_0 = 0;
[L4009]                    struct urb *max3421_hcd_desc_group0 ;
[L4010]                    int ldv_irq_line_1_3 ;
[L4011]                    void *ldv_irq_data_1_0 ;
[L4012]                    int ldv_state_variable_0 ;
[L4013]                    struct usb_hcd *max3421_hcd_desc_group1 ;
[L4014]                    int ldv_state_variable_3 ;
[L4015]                    int ldv_irq_line_1_0 ;
[L4016]                    int ldv_state_variable_2 ;
[L4017]                    void *ldv_irq_data_1_3 ;
[L4018]                    struct spi_device *max3421_driver_group0 ;
[L4019]                    int ref_cnt ;
[L4020]                    int ldv_irq_line_1_1 ;
[L4021]                    void *ldv_irq_data_1_2 ;
[L4022]                    int ldv_state_variable_1 ;
[L4023]                    int ldv_irq_line_1_2 ;
[L4201]                    static struct max3421_hcd *max3421_hcd_list ;
[L4202-L4206]              static int const hrsl_to_error[16U] =
  { 0, -22, -22, -22,
        -11, -32, -84, -71,
        -121, -71, -71, -84,
        -5, -5, -62, -75};
[L5875-L5881]              static struct hc_driver max3421_hcd_desc =
     {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset,
    & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue,
    & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma,
    & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control,
    & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
[L6020-L6022]              static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module,
                                                    0, (_Bool)0, 0, 0, 0, 0, 0, 0,
                                                    0, 0, 0, 0}};
[L6038]                    int ldv_retval_0 ;
[L6039]                    int ldv_retval_1 ;
[L6042]                    int ldv_retval_2 ;
[L6544]                    int ldv_spin = 0;
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6187]                    char *ldvarg7 ;
[L6188]                    void *tmp ;
[L6189]                    u16 ldvarg3 ;
[L6190]                    u16 tmp___0 ;
[L6191]                    u16 ldvarg0 ;
[L6192]                    u16 tmp___1 ;
[L6193]                    gfp_t ldvarg5 ;
[L6194]                    gfp_t ldvarg6 ;
[L6195]                    struct usb_host_endpoint *ldvarg8 ;
[L6196]                    void *tmp___2 ;
[L6197]                    u16 ldvarg1 ;
[L6198]                    u16 tmp___3 ;
[L6199]                    char *ldvarg4 ;
[L6200]                    void *tmp___4 ;
[L6201]                    int ldvarg9 ;
[L6202]                    int tmp___5 ;
[L6203]                    u16 ldvarg2 ;
[L6204]                    u16 tmp___6 ;
[L6205]                    int tmp___7 ;
[L6206]                    int tmp___8 ;
[L6207]                    int tmp___9 ;
[L6208]                    int tmp___10 ;
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6210]                    tmp = ldv_zalloc(1UL)
[L6211]                    ldvarg7 = (char *)tmp
[L6212]                    tmp___0 = __VERIFIER_nondet_u16()
[L6213]                    ldvarg3 = tmp___0
[L6214]                    tmp___1 = __VERIFIER_nondet_u16()
[L6215]                    ldvarg0 = tmp___1
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6216]                    tmp___2 = ldv_zalloc(72UL)
[L6217]                    ldvarg8 = (struct usb_host_endpoint *)tmp___2
[L6218]                    tmp___3 = __VERIFIER_nondet_u16()
[L6219]                    ldvarg1 = tmp___3
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6220]                    tmp___4 = ldv_zalloc(1UL)
[L6221]                    ldvarg4 = (char *)tmp___4
[L6222]                    tmp___5 = __VERIFIER_nondet_int()
[L6223]                    ldvarg9 = tmp___5
[L6224]                    tmp___6 = __VERIFIER_nondet_u16()
[L6225]                    ldvarg2 = tmp___6
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6227]                    ldvarg5 = (gfp_t)__VERIFIER_nondet_int()
[L6228]                    ldvarg6 = (gfp_t)__VERIFIER_nondet_int()
[L6229]                    ldv_state_variable_1 = 1
[L6230]                    ref_cnt = 0
[L6231]                    ldv_state_variable_0 = 1
[L6232]                    ldv_state_variable_3 = 0
[L6233]                    ldv_state_variable_2 = 0
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6235]                    tmp___7 = __VERIFIER_nondet_int()
[L6237]                    case 0:
[L6243]                    case 1:
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6244]        COND TRUE   ldv_state_variable_0 != 0
[L6245]                    tmp___8 = __VERIFIER_nondet_int()
[L6247]                    case 0:
[L6255]                    case 1:
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6256]        COND TRUE   ldv_state_variable_0 == 1
[L6025]                    int tmp ;
[L6693]                    return __VERIFIER_nondet_int();
[L6027]                    tmp = spi_register_driver(& max3421_driver)
[L6028]                    return (tmp);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6257]                    ldv_retval_0 = max3421_driver_init()
[L6258]        COND TRUE   ldv_retval_0 == 0
[L6259]                    ldv_state_variable_0 = 3
[L6260]                    ldv_state_variable_2 = 1
[L6152]                    void *tmp ;
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6154]                    tmp = ldv_zalloc(1496UL)
[L6155]                    max3421_driver_group0 = (struct spi_device *)tmp
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6262]                    ldv_state_variable_3 = 1
[L6115]                    void *tmp ;
[L6116]                    void *tmp___0 ;
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6118]                    tmp = ldv_zalloc(192UL)
[L6119]                    max3421_hcd_desc_group0 = (struct urb *)tmp
[L3937]                    void *p ;
[L3938]                    void *tmp ;
[L3939]                    int tmp___0 ;
[L3941]                    tmp___0 = __VERIFIER_nondet_int()
[L3942]        COND TRUE   tmp___0 != 0
[L3943]                    return ((void *)0);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6120]                    tmp___0 = ldv_zalloc(968UL)
[L6121]                    max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6266]        COND FALSE  !(ldv_retval_0 != 0)
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6235]                    tmp___7 = __VERIFIER_nondet_int()
[L6237]                    case 0:
[L6243]                    case 1:
[L6281]                    case 2:
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6282]        COND TRUE   ldv_state_variable_3 != 0
[L6283]                    tmp___9 = __VERIFIER_nondet_int()
[L6285]                    case 0:
[L6296]                    case 1:
[L6308]                    case 2:
[L6320]                    case 3:
[L6332]                    case 4:
[L6344]                    case 5:
[L6356]                    case 6:
[L6368]                    case 7:
[L6380]                    case 8:
[L6388]                    case 9:
[L6400]                    case 10:
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6401]        COND TRUE   ldv_state_variable_3 == 1
[L5528]                    struct spi_device *spi ;
[L5529]                    struct spi_device *tmp ;
[L5530]                    struct max3421_hcd *max3421_hcd ;
[L5531]                    struct max3421_hcd *tmp___0 ;
[L5532]                    struct max3421_ep *max3421_ep ;
[L5533]                    unsigned long flags ;
[L5534]                    int retval ;
[L5535]                    void *tmp___1 ;
[L5537]        EXPR        hcd->self.controller
[L4055]                    struct device const *__mptr ;
[L4056]                    struct spi_device *tmp ;
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L4058]        COND TRUE   (unsigned long )dev != (unsigned long )((struct device *)0)
[L4059]                    __mptr = (struct device const *)dev
[L4060]                    tmp = (struct spi_device *)__mptr
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L4064]                    return (tmp);
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L5537]                    tmp = to_spi_device(hcd->self.controller)
[L5538]                    spi = tmp
[L4216]                    return ((struct max3421_hcd *)(& hcd->hcd_priv));
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L5539]                    tmp___0 = hcd_to_max3421(hcd)
[L5540]                    max3421_hcd = tmp___0
[L5541]                    urb->pipe
[L5542]                    case 1U:
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L5543]                    case 0U:
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L5550]                    default:
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L6581]                    ldv_spin = 1
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L5555]        EXPR        urb->ep
[L5555]        EXPR        (urb->ep)->hcpriv
[L5555]                    max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv
[L5556]        COND TRUE   (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0)
[L6548]        COND FALSE  !(ldv_spin == 0 || ! (flags & 16U))
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]
[L3980]                    __VERIFIER_error()
               VAL         [__this_module={0:0}, hrsl_to_error={503313774:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 557 locations, 4 error locations. UNSAFE Result, 415.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3857 SDtfs, 2070 SDslu, 2393 SDs, 0 SdLazy, 119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1254occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1140 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 196.8s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 12536 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2736 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...