./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:27:28,932 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:27:28,934 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:27:28,978 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:27:28,979 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:27:28,980 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:27:28,982 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:27:28,984 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:27:28,986 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:27:28,987 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:27:28,988 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:27:28,990 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:27:28,990 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:27:28,991 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:27:28,993 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:27:28,994 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:27:28,995 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:27:28,996 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:27:28,998 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:27:29,000 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:27:29,002 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:27:29,004 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:27:29,005 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:27:29,006 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:27:29,009 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:27:29,010 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:27:29,010 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:27:29,011 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:27:29,012 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:27:29,013 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:27:29,013 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:27:29,014 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:27:29,015 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:27:29,016 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:27:29,017 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:27:29,017 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:27:29,018 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:27:29,018 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:27:29,019 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:27:29,020 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:27:29,021 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:27:29,022 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf
[2021-11-13 18:27:29,043 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 18:27:29,044 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:27:29,044 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:27:29,044 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:27:29,045 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:27:29,045 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:27:29,046 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:27:29,046 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 18:27:29,046 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 18:27:29,046 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:27:29,047 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-13 18:27:29,047 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 18:27:29,047 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:27:29,047 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:27:29,048 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:27:29,048 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 18:27:29,048 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 18:27:29,048 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:27:29,048 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:27:29,049 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 18:27:29,049 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-13 18:27:29,049 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:27:29,049 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:27:29,050 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:27:29,050 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:27:29,050 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-13 18:27:29,050 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:27:29,050 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:27:29,051 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:27:29,051 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:27:29,051 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 18:27:29,051 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164
[2021-11-13 18:27:29,300 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:27:29,319 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:27:29,322 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:27:29,323 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 18:27:29,324 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 18:27:29,325 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i
[2021-11-13 18:27:29,395 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/data/a67758ce9/012257823c394946b2b039cba2cf5d72/FLAG90a40de80
[2021-11-13 18:27:30,511 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 18:27:30,512 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i
[2021-11-13 18:27:30,606 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/data/a67758ce9/012257823c394946b2b039cba2cf5d72/FLAG90a40de80
[2021-11-13 18:27:30,743 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/data/a67758ce9/012257823c394946b2b039cba2cf5d72
[2021-11-13 18:27:30,751 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:27:30,755 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:27:30,756 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:27:30,756 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:27:30,760 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:27:30,761 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:27:30" (1/1) ...
[2021-11-13 18:27:30,762 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65defecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:30, skipping insertion in model container
[2021-11-13 18:27:30,762 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:27:30" (1/1) ...
[2021-11-13 18:27:30,770 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 18:27:31,040 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:27:31,612 WARN  L1236              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843]
[2021-11-13 18:27:31,613 WARN  L1236              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [4844-4845]
[2021-11-13 18:27:31,773 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094]
[2021-11-13 18:27:34,983 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:27:35,082 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 18:27:35,185 WARN  L1236              CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843]
[2021-11-13 18:27:35,187 WARN  L1236              CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
                    size_t ) [4844-4845]
[2021-11-13 18:27:35,190 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094]
[2021-11-13 18:27:35,847 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:27:36,137 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 18:27:36,138 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36 WrapperNode
[2021-11-13 18:27:36,138 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:27:36,139 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:27:36,139 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:27:36,139 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:27:36,147 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:36,396 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:36,853 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:27:36,853 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:27:36,854 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:27:36,854 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:27:36,863 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:36,864 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:37,069 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:37,070 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:37,322 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:37,365 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:37,507 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:37,616 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:27:37,617 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:27:37,618 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:27:37,618 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:27:37,619 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (1/1) ...
[2021-11-13 18:27:37,626 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:27:37,637 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:27:37,655 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:27:37,676 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15f9782-7118-483b-9c5d-518f39f143b3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:27:37,701 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_poke_via_dsp
[2021-11-13 18:27:37,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_poke_via_dsp
[2021-11-13 18:27:37,702 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_ac97_read
[2021-11-13 18:27:37,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_ac97_read
[2021-11-13 18:27:37,702 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_clfe
[2021-11-13 18:27:37,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_clfe
[2021-11-13 18:27:37,702 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_src_task_scb
[2021-11-13 18:27:37,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_src_task_scb
[2021-11-13 18:27:37,703 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_free
[2021-11-13 18:27:37,703 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_free
[2021-11-13 18:27:37,703 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_lock
[2021-11-13 18:27:37,703 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_lock
[2021-11-13 18:27:37,703 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2021-11-13 18:27:37,703 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2021-11-13 18:27:37,704 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_list
[2021-11-13 18:27:37,704 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_list
[2021-11-13 18:27:37,704 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_read_config_word
[2021-11-13 18:27:37,704 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_read_config_word
[2021-11-13 18:27:37,704 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_scb_set_volume
[2021-11-13 18:27:37,704 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_scb_set_volume
[2021-11-13 18:27:37,705 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_pokeBA0
[2021-11-13 18:27:37,705 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_pokeBA0
[2021-11-13 18:27:37,705 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close_iec958
[2021-11-13 18:27:37,705 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close_iec958
[2021-11-13 18:27:37,705 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_close
[2021-11-13 18:27:37,705 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_close
[2021-11-13 18:27:37,706 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops
[2021-11-13 18:27:37,706 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops
[2021-11-13 18:27:37,706 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID
[2021-11-13 18:27:37,706 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID
[2021-11-13 18:27:37,706 INFO  L130     BoogieDeclarations]: Found specification of procedure dsp_load_parameter
[2021-11-13 18:27:37,706 INFO  L138     BoogieDeclarations]: Found implementation of procedure dsp_load_parameter
[2021-11-13 18:27:37,707 INFO  L130     BoogieDeclarations]: Found specification of procedure find_next_free_scb
[2021-11-13 18:27:37,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure find_next_free_scb
[2021-11-13 18:27:37,707 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_info_create_card_entry
[2021-11-13 18:27:37,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_info_create_card_entry
[2021-11-13 18:27:37,707 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_free
[2021-11-13 18:27:37,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_free
[2021-11-13 18:27:37,707 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore
[2021-11-13 18:27:37,708 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore
[2021-11-13 18:27:37,708 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_params
[2021-11-13 18:27:37,708 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_params
[2021-11-13 18:27:37,708 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:27:37,708 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_ac97_write
[2021-11-13 18:27:37,708 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_ac97_write
[2021-11-13 18:27:37,709 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2021-11-13 18:27:37,709 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2021-11-13 18:27:37,709 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_generic_scb
[2021-11-13 18:27:37,710 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_generic_scb
[2021-11-13 18:27:37,710 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock
[2021-11-13 18:27:37,710 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock
[2021-11-13 18:27:37,710 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_free_scb_desc
[2021-11-13 18:27:37,711 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_free_scb_desc
[2021-11-13 18:27:37,711 INFO  L130     BoogieDeclarations]: Found specification of procedure params_period_bytes
[2021-11-13 18:27:37,712 INFO  L138     BoogieDeclarations]: Found implementation of procedure params_period_bytes
[2021-11-13 18:27:37,712 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2021-11-13 18:27:37,712 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_register_scb_desc
[2021-11-13 18:27:37,712 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_register_scb_desc
[2021-11-13 18:27:37,713 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_mix_only_scb
[2021-11-13 18:27:37,713 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_mix_only_scb
[2021-11-13 18:27:37,713 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_transfer
[2021-11-13 18:27:37,713 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_transfer
[2021-11-13 18:27:37,713 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_clear_BA1
[2021-11-13 18:27:37,714 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_clear_BA1
[2021-11-13 18:27:37,714 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2021-11-13 18:27:37,714 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2021-11-13 18:27:37,715 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_ctl_add
[2021-11-13 18:27:37,715 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_ctl_add
[2021-11-13 18:27:37,715 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_dma_free_pages
[2021-11-13 18:27:37,715 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_dma_free_pages
[2021-11-13 18:27:37,715 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2021-11-13 18:27:37,715 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_indirect_pointer
[2021-11-13 18:27:37,716 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_indirect_pointer
[2021-11-13 18:27:37,716 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_play_sample_rate
[2021-11-13 18:27:37,717 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_play_sample_rate
[2021-11-13 18:27:37,717 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:27:37,717 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2021-11-13 18:27:37,717 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2021-11-13 18:27:37,717 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_proc_start
[2021-11-13 18:27:37,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_proc_start
[2021-11-13 18:27:37,718 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags
[2021-11-13 18:27:37,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags
[2021-11-13 18:27:37,718 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_lib_preallocate_pages_for_all
[2021-11-13 18:27:37,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_preallocate_pages_for_all
[2021-11-13 18:27:37,718 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_indirect_pointer
[2021-11-13 18:27:37,719 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_indirect_pointer
[2021-11-13 18:27:37,719 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_out
[2021-11-13 18:27:37,719 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_out
[2021-11-13 18:27:37,720 INFO  L130     BoogieDeclarations]: Found specification of procedure vfree
[2021-11-13 18:27:37,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure vfree
[2021-11-13 18:27:37,720 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_write
[2021-11-13 18:27:37,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_write
[2021-11-13 18:27:37,720 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_disable_device
[2021-11-13 18:27:37,721 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_disable_device
[2021-11-13 18:27:37,721 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_direct_pointer
[2021-11-13 18:27:37,722 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_direct_pointer
[2021-11-13 18:27:37,722 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_info_free_entry
[2021-11-13 18:27:37,722 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_info_free_entry
[2021-11-13 18:27:37,723 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_card_cs46xx_remove
[2021-11-13 18:27:37,723 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_card_cs46xx_remove
[2021-11-13 18:27:37,723 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_pcm_link
[2021-11-13 18:27:37,723 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_pcm_link
[2021-11-13 18:27:37,723 INFO  L130     BoogieDeclarations]: Found specification of procedure voyetra_setup_eapd_slot
[2021-11-13 18:27:37,723 INFO  L138     BoogieDeclarations]: Found implementation of procedure voyetra_setup_eapd_slot
[2021-11-13 18:27:37,723 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:27:37,724 INFO  L130     BoogieDeclarations]: Found specification of procedure __const_udelay
[2021-11-13 18:27:37,724 INFO  L138     BoogieDeclarations]: Found implementation of procedure __const_udelay
[2021-11-13 18:27:37,724 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:27:37,724 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_resume
[2021-11-13 18:27:37,725 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_resume
[2021-11-13 18:27:37,725 INFO  L130     BoogieDeclarations]: Found specification of procedure _dsp_create_scb
[2021-11-13 18:27:37,725 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dsp_create_scb
[2021-11-13 18:27:37,725 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_trigger
[2021-11-13 18:27:37,725 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_trigger
[2021-11-13 18:27:37,726 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_trigger
[2021-11-13 18:27:37,726 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_trigger
[2021-11-13 18:27:37,729 INFO  L130     BoogieDeclarations]: Found specification of procedure _cs46xx_playback_open_channel
[2021-11-13 18:27:37,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure _cs46xx_playback_open_channel
[2021-11-13 18:27:37,729 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2021-11-13 18:27:37,730 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2021-11-13 18:27:37,730 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock_irq
[2021-11-13 18:27:37,731 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock_irq
[2021-11-13 18:27:37,731 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int
[2021-11-13 18:27:37,731 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int
[2021-11-13 18:27:37,731 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_prepare
[2021-11-13 18:27:37,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_prepare
[2021-11-13 18:27:37,732 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_serial_input_scb
[2021-11-13 18:27:37,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_serial_input_scb
[2021-11-13 18:27:37,732 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_power_change_state
[2021-11-13 18:27:37,732 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_power_change_state
[2021-11-13 18:27:37,732 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_src_unlink
[2021-11-13 18:27:37,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_src_unlink
[2021-11-13 18:27:37,733 INFO  L130     BoogieDeclarations]: Found specification of procedure clkrun_init
[2021-11-13 18:27:37,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure clkrun_init
[2021-11-13 18:27:37,733 INFO  L130     BoogieDeclarations]: Found specification of procedure warn_slowpath_null
[2021-11-13 18:27:37,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure warn_slowpath_null
[2021-11-13 18:27:37,733 INFO  L130     BoogieDeclarations]: Found specification of procedure bytes_to_frames
[2021-11-13 18:27:37,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure bytes_to_frames
[2021-11-13 18:27:37,733 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_iec958
[2021-11-13 18:27:37,733 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_iec958
[2021-11-13 18:27:37,733 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_peek
[2021-11-13 18:27:37,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peek
[2021-11-13 18:27:37,734 INFO  L130     BoogieDeclarations]: Found specification of procedure writel
[2021-11-13 18:27:37,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure writel
[2021-11-13 18:27:37,734 INFO  L130     BoogieDeclarations]: Found specification of procedure add_symbol
[2021-11-13 18:27:37,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure add_symbol
[2021-11-13 18:27:37,734 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:27:37,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:27:37,734 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_open
[2021-11-13 18:27:37,734 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_open
[2021-11-13 18:27:37,734 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_hw_stop
[2021-11-13 18:27:37,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_hw_stop
[2021-11-13 18:27:37,735 INFO  L130     BoogieDeclarations]: Found specification of procedure hw_param_interval_c
[2021-11-13 18:27:37,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure hw_param_interval_c
[2021-11-13 18:27:37,735 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_capture_sample_rate
[2021-11-13 18:27:37,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_capture_sample_rate
[2021-11-13 18:27:37,735 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit
[2021-11-13 18:27:37,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit
[2021-11-13 18:27:37,735 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy
[2021-11-13 18:27:37,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy
[2021-11-13 18:27:37,735 INFO  L130     BoogieDeclarations]: Found specification of procedure msleep
[2021-11-13 18:27:37,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure msleep
[2021-11-13 18:27:37,736 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_lib_buffer_bytes
[2021-11-13 18:27:37,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_buffer_bytes
[2021-11-13 18:27:37,736 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_detect_codec
[2021-11-13 18:27:37,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_detect_codec
[2021-11-13 18:27:37,736 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2021-11-13 18:27:37,736 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_reset
[2021-11-13 18:27:37,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_reset
[2021-11-13 18:27:37,845 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2021-11-13 18:27:37,845 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2021-11-13 18:27:37,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2021-11-13 18:27:37,845 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_open
[2021-11-13 18:27:37,845 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_open
[2021-11-13 18:27:37,845 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_codec_out_scb
[2021-11-13 18:27:37,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_codec_out_scb
[2021-11-13 18:27:37,846 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_disable_spdif_out
[2021-11-13 18:27:37,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_disable_spdif_out
[2021-11-13 18:27:37,846 INFO  L130     BoogieDeclarations]: Found specification of procedure _dsp_clear_sample_buffer
[2021-11-13 18:27:37,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dsp_clear_sample_buffer
[2021-11-13 18:27:37,846 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_lib_malloc_pages
[2021-11-13 18:27:37,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_malloc_pages
[2021-11-13 18:27:37,846 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close
[2021-11-13 18:27:37,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close
[2021-11-13 18:27:37,846 INFO  L130     BoogieDeclarations]: Found specification of procedure amp_voyetra
[2021-11-13 18:27:37,846 INFO  L138     BoogieDeclarations]: Found implementation of procedure amp_voyetra
[2021-11-13 18:27:37,846 INFO  L130     BoogieDeclarations]: Found specification of procedure get_segment_desc
[2021-11-13 18:27:37,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_segment_desc
[2021-11-13 18:27:37,847 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_unlock
[2021-11-13 18:27:37,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2021-11-13 18:27:37,847 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2021-11-13 18:27:37,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2021-11-13 18:27:37,847 INFO  L130     BoogieDeclarations]: Found specification of procedure _dsp_create_task_tree
[2021-11-13 18:27:37,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dsp_create_task_tree
[2021-11-13 18:27:37,847 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_free
[2021-11-13 18:27:37,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_free
[2021-11-13 18:27:37,847 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2021-11-13 18:27:37,847 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2021-11-13 18:27:37,847 INFO  L130     BoogieDeclarations]: Found specification of procedure kcalloc
[2021-11-13 18:27:37,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure kcalloc
[2021-11-13 18:27:37,848 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-11-13 18:27:37,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-11-13 18:27:37,848 INFO  L130     BoogieDeclarations]: Found specification of procedure free_module_desc
[2021-11-13 18:27:37,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_module_desc
[2021-11-13 18:27:37,848 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_new
[2021-11-13 18:27:37,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_new
[2021-11-13 18:27:37,848 INFO  L130     BoogieDeclarations]: Found specification of procedure _dsp_create_generic_scb
[2021-11-13 18:27:37,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dsp_create_generic_scb
[2021-11-13 18:27:37,848 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2021-11-13 18:27:37,848 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2021-11-13 18:27:37,849 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_suspend
[2021-11-13 18:27:37,849 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_suspend
[2021-11-13 18:27:37,849 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:27:37,849 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_dma_alloc_pages
[2021-11-13 18:27:37,849 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_dma_alloc_pages
[2021-11-13 18:27:37,849 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_set_master
[2021-11-13 18:27:37,849 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_set_master
[2021-11-13 18:27:37,849 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_prepare
[2021-11-13 18:27:37,849 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_prepare
[2021-11-13 18:27:37,849 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:27:37,849 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_destroy_pcm_channel
[2021-11-13 18:27:37,849 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_destroy_pcm_channel
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_trigger
[2021-11-13 18:27:37,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_trigger
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_spin_unlock
[2021-11-13 18:27:37,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_reset
[2021-11-13 18:27:37,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_reset
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_close
[2021-11-13 18:27:37,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_close
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2021-11-13 18:27:37,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_ac97_resume
[2021-11-13 18:27:37,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_ac97_resume
[2021-11-13 18:27:37,850 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_ac97_suspend
[2021-11-13 18:27:37,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_ac97_suspend
[2021-11-13 18:27:37,851 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_rear
[2021-11-13 18:27:37,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_rear
[2021-11-13 18:27:37,851 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_lock_nested
[2021-11-13 18:27:37,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_lock_nested
[2021-11-13 18:27:37,851 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_ac97_write
[2021-11-13 18:27:37,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_ac97_write
[2021-11-13 18:27:37,851 INFO  L130     BoogieDeclarations]: Found specification of procedure release_firmware
[2021-11-13 18:27:37,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure release_firmware
[2021-11-13 18:27:37,851 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_enable_stream_irqs
[2021-11-13 18:27:37,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_enable_stream_irqs
[2021-11-13 18:27:37,851 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2021-11-13 18:27:37,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2021-11-13 18:27:37,851 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_read
[2021-11-13 18:27:37,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_read
[2021-11-13 18:27:37,852 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops
[2021-11-13 18:27:37,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops
[2021-11-13 18:27:37,852 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_ctl_new1
[2021-11-13 18:27:37,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_ctl_new1
[2021-11-13 18:27:37,852 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_asynch_fg_tx_scb
[2021-11-13 18:27:37,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_asynch_fg_tx_scb
[2021-11-13 18:27:37,852 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_format_width
[2021-11-13 18:27:37,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_format_width
[2021-11-13 18:27:37,852 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_direct_pointer
[2021-11-13 18:27:37,852 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_direct_pointer
[2021-11-13 18:27:37,853 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_update_scb
[2021-11-13 18:27:37,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_update_scb
[2021-11-13 18:27:37,853 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_open
[2021-11-13 18:27:37,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_open
[2021-11-13 18:27:37,853 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID
[2021-11-13 18:27:37,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID
[2021-11-13 18:27:37,853 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2021-11-13 18:27:37,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2021-11-13 18:27:37,853 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:27:37,853 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_unlock_irq
[2021-11-13 18:27:37,853 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_unlock_irq
[2021-11-13 18:27:37,853 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2021-11-13 18:27:37,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2021-11-13 18:27:37,854 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_destroy
[2021-11-13 18:27:37,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_destroy
[2021-11-13 18:27:37,854 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_channel
[2021-11-13 18:27:37,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_channel
[2021-11-13 18:27:37,854 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_task_tree
[2021-11-13 18:27:37,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_task_tree
[2021-11-13 18:27:37,854 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_trigger
[2021-11-13 18:27:37,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_trigger
[2021-11-13 18:27:37,854 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_enable_device
[2021-11-13 18:27:37,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_enable_device
[2021-11-13 18:27:37,855 INFO  L130     BoogieDeclarations]: Found specification of procedure frames_to_bytes
[2021-11-13 18:27:37,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure frames_to_bytes
[2021-11-13 18:27:37,855 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_chip_init
[2021-11-13 18:27:37,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_chip_init
[2021-11-13 18:27:37,855 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_lib_free_pages
[2021-11-13 18:27:37,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_free_pages
[2021-11-13 18:27:37,855 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_peekBA0
[2021-11-13 18:27:37,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peekBA0
[2021-11-13 18:27:37,855 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl
[2021-11-13 18:27:37,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl
[2021-11-13 18:27:37,855 INFO  L130     BoogieDeclarations]: Found specification of procedure _wrap_all_bits
[2021-11-13 18:27:37,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure _wrap_all_bits
[2021-11-13 18:27:37,856 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_poke
[2021-11-13 18:27:37,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_poke
[2021-11-13 18:27:37,856 INFO  L130     BoogieDeclarations]: Found specification of procedure dsp_load_sample
[2021-11-13 18:27:37,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure dsp_load_sample
[2021-11-13 18:27:37,856 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open
[2021-11-13 18:27:37,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open
[2021-11-13 18:27:37,856 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_scb
[2021-11-13 18:27:37,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_scb
[2021-11-13 18:27:37,856 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_lookup_symbol
[2021-11-13 18:27:37,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_lookup_symbol
[2021-11-13 18:27:37,856 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_transfer
[2021-11-13 18:27:37,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_transfer
[2021-11-13 18:27:37,857 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_wait_for_fifo
[2021-11-13 18:27:37,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_wait_for_fifo
[2021-11-13 18:27:37,857 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_download
[2021-11-13 18:27:37,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_download
[2021-11-13 18:27:37,857 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_params
[2021-11-13 18:27:37,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_params
[2021-11-13 18:27:37,857 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_remove_scb
[2021-11-13 18:27:37,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_remove_scb
[2021-11-13 18:27:37,857 INFO  L130     BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_hw
[2021-11-13 18:27:37,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_hw
[2021-11-13 18:27:37,857 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_card_free
[2021-11-13 18:27:37,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_card_free
[2021-11-13 18:27:37,857 INFO  L130     BoogieDeclarations]: Found specification of procedure pci_set_power_state
[2021-11-13 18:27:37,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure pci_set_power_state
[2021-11-13 18:27:37,858 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_close
[2021-11-13 18:27:37,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_close
[2021-11-13 18:27:37,858 INFO  L130     BoogieDeclarations]: Found specification of procedure spin_lock
[2021-11-13 18:27:37,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure spin_lock
[2021-11-13 18:27:37,858 INFO  L130     BoogieDeclarations]: Found specification of procedure readl
[2021-11-13 18:27:37,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure readl
[2021-11-13 18:27:37,858 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:27:37,858 INFO  L130     BoogieDeclarations]: Found specification of procedure _dsp_unlink_scb
[2021-11-13 18:27:37,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure _dsp_unlink_scb
[2021-11-13 18:27:37,858 INFO  L130     BoogieDeclarations]: Found specification of procedure snd_info_register
[2021-11-13 18:27:37,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure snd_info_register
[2021-11-13 18:27:46,532 INFO  L766   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2021-11-13 18:30:43,705 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:30:43,705 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2021-11-13 18:30:43,712 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:30:43 BoogieIcfgContainer
[2021-11-13 18:30:43,712 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:30:43,714 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:30:43,714 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:30:43,717 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:30:43,717 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:27:30" (1/3) ...
[2021-11-13 18:30:43,718 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364b2221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:30:43, skipping insertion in model container
[2021-11-13 18:30:43,718 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:36" (2/3) ...
[2021-11-13 18:30:43,718 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364b2221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:30:43, skipping insertion in model container
[2021-11-13 18:30:43,718 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:30:43" (3/3) ...
[2021-11-13 18:30:43,720 INFO  L111   eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i
[2021-11-13 18:30:43,725 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:30:43,725 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:30:43,789 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:30:43,795 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:30:43,795 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:30:43,888 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4078 states, 2784 states have (on average 1.3922413793103448) internal successors, (3876), 2890 states have internal predecessors, (3876), 1137 states have call successors, (1137), 159 states have call predecessors, (1137), 158 states have return successors, (1119), 1111 states have call predecessors, (1119), 1119 states have call successors, (1119)
[2021-11-13 18:30:43,910 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2021-11-13 18:30:43,910 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:30:43,911 INFO  L514         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]
[2021-11-13 18:30:43,912 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:30:43,921 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:30:43,921 INFO  L85        PathProgramCache]: Analyzing trace with hash 78330796, now seen corresponding path program 1 times
[2021-11-13 18:30:43,929 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:30:43,930 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695383402]
[2021-11-13 18:30:43,930 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:30:43,931 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:30:44,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:30:45,398 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:30:45,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:30:45,427 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2021-11-13 18:30:45,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:30:45,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:30:45,456 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:30:45,457 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695383402]
[2021-11-13 18:30:45,457 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695383402] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:30:45,458 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:30:45,458 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:30:45,459 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093641845]
[2021-11-13 18:30:45,460 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:30:45,464 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:30:45,464 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:30:45,489 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:30:45,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:30:45,502 INFO  L87              Difference]: Start difference. First operand  has 4078 states, 2784 states have (on average 1.3922413793103448) internal successors, (3876), 2890 states have internal predecessors, (3876), 1137 states have call successors, (1137), 159 states have call predecessors, (1137), 158 states have return successors, (1119), 1111 states have call predecessors, (1119), 1119 states have call successors, (1119) Second operand  has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-13 18:30:47,852 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:30:52,413 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:30:56,059 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:30:58,899 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:02,427 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:06,463 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:11,120 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:18,492 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:21,910 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:27,309 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:29,307 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:31,572 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:34,942 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:37,102 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:39,249 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:41,269 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:42,944 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:44,488 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:46,632 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:48,761 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:50,863 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:53,312 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:55,342 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:31:57,476 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:00,134 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:02,361 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:02,463 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:32:02,464 INFO  L93              Difference]: Finished difference Result 11767 states and 18354 transitions.
[2021-11-13 18:32:02,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-13 18:32:02,466 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33
[2021-11-13 18:32:02,466 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:32:02,571 INFO  L225             Difference]: With dead ends: 11767
[2021-11-13 18:32:02,571 INFO  L226             Difference]: Without dead ends: 7641
[2021-11-13 18:32:02,616 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:32:02,619 INFO  L933         BasicCegarLoop]: 6666 mSDtfsCounter, 5643 mSDsluCounter, 7957 mSDsCounter, 0 mSdLazyCounter, 3861 mSolverCounterSat, 2900 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72931.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6393 SdHoareTripleChecker+Valid, 14623 SdHoareTripleChecker+Invalid, 6781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 130.38ms SdHoareTripleChecker+Time, 2900 IncrementalHoareTripleChecker+Valid, 3861 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75850.20ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:32:02,621 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [6393 Valid, 14623 Invalid, 6781 Unknown, 0 Unchecked, 130.38ms Time], IncrementalHoareTripleChecker [2900 Valid, 3861 Invalid, 20 Unknown, 0 Unchecked, 75850.20ms Time]
[2021-11-13 18:32:02,652 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7641 states.
[2021-11-13 18:32:03,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7641 to 7098.
[2021-11-13 18:32:03,189 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7098 states, 4855 states have (on average 1.3903192584963955) internal successors, (6750), 5002 states have internal predecessors, (6750), 1951 states have call successors, (1951), 292 states have call predecessors, (1951), 291 states have return successors, (1949), 1934 states have call predecessors, (1949), 1949 states have call successors, (1949)
[2021-11-13 18:32:03,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7098 states to 7098 states and 10650 transitions.
[2021-11-13 18:32:03,295 INFO  L78                 Accepts]: Start accepts. Automaton has 7098 states and 10650 transitions. Word has length 33
[2021-11-13 18:32:03,295 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:32:03,296 INFO  L470      AbstractCegarLoop]: Abstraction has 7098 states and 10650 transitions.
[2021-11-13 18:32:03,296 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-13 18:32:03,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 7098 states and 10650 transitions.
[2021-11-13 18:32:03,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2021-11-13 18:32:03,309 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:32:03,310 INFO  L514         BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:32:03,310 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:32:03,311 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:32:03,311 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:32:03,311 INFO  L85        PathProgramCache]: Analyzing trace with hash -1278970975, now seen corresponding path program 1 times
[2021-11-13 18:32:03,312 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:32:03,312 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427403523]
[2021-11-13 18:32:03,312 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:32:03,312 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:32:03,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:32:04,063 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:32:04,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:32:04,086 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2021-11-13 18:32:04,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:32:04,109 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2021-11-13 18:32:04,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:32:04,132 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2021-11-13 18:32:04,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:32:04,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-13 18:32:04,144 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:32:04,144 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427403523]
[2021-11-13 18:32:04,145 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427403523] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:32:04,145 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:32:04,145 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:32:04,145 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221280070]
[2021-11-13 18:32:04,145 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:32:04,147 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:32:04,147 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:32:04,147 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:32:04,147 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:32:04,148 INFO  L87              Difference]: Start difference. First operand 7098 states and 10650 transitions. Second operand  has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:32:06,418 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:11,296 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:15,277 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:16,562 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:18,049 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:22,378 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:27,011 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:31,294 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:36,527 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:40,497 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:42,622 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []
[2021-11-13 18:32:46,780 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:49,137 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:53,270 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:56,406 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:58,049 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:32:59,996 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:03,232 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:05,275 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:07,449 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:09,575 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:11,348 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:13,212 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:15,312 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:17,425 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:19,173 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:21,302 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:23,523 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:25,939 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:27,966 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:30,152 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:32,212 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:35,146 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:37,177 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:39,509 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:41,569 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:41,733 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:33:41,733 INFO  L93              Difference]: Finished difference Result 22183 states and 33906 transitions.
[2021-11-13 18:33:41,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-13 18:33:41,734 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55
[2021-11-13 18:33:41,734 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:33:41,898 INFO  L225             Difference]: With dead ends: 22183
[2021-11-13 18:33:41,898 INFO  L226             Difference]: Without dead ends: 15090
[2021-11-13 18:33:41,953 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:33:41,955 INFO  L933         BasicCegarLoop]: 7388 mSDtfsCounter, 6788 mSDsluCounter, 8128 mSDsCounter, 0 mSdLazyCounter, 4266 mSolverCounterSat, 3052 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93286.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7733 SdHoareTripleChecker+Valid, 15516 SdHoareTripleChecker+Invalid, 7345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 85.35ms SdHoareTripleChecker+Time, 3052 IncrementalHoareTripleChecker+Valid, 4266 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96757.97ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:33:41,955 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [7733 Valid, 15516 Invalid, 7345 Unknown, 0 Unchecked, 85.35ms Time], IncrementalHoareTripleChecker [3052 Valid, 4266 Invalid, 27 Unknown, 0 Unchecked, 96757.97ms Time]
[2021-11-13 18:33:41,976 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15090 states.
[2021-11-13 18:33:42,789 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15090 to 14006.
[2021-11-13 18:33:42,831 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14006 states, 9577 states have (on average 1.3898924506630468) internal successors, (13311), 9871 states have internal predecessors, (13311), 3850 states have call successors, (3850), 579 states have call predecessors, (3850), 578 states have return successors, (3848), 3817 states have call predecessors, (3848), 3848 states have call successors, (3848)
[2021-11-13 18:33:42,903 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14006 states to 14006 states and 21009 transitions.
[2021-11-13 18:33:42,908 INFO  L78                 Accepts]: Start accepts. Automaton has 14006 states and 21009 transitions. Word has length 55
[2021-11-13 18:33:42,909 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:33:42,909 INFO  L470      AbstractCegarLoop]: Abstraction has 14006 states and 21009 transitions.
[2021-11-13 18:33:42,910 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:33:42,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 14006 states and 21009 transitions.
[2021-11-13 18:33:42,921 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2021-11-13 18:33:42,922 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:33:42,922 INFO  L514         BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:33:42,922 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:33:42,922 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:33:42,923 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:33:42,923 INFO  L85        PathProgramCache]: Analyzing trace with hash 1736757413, now seen corresponding path program 1 times
[2021-11-13 18:33:42,923 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:33:42,923 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142538503]
[2021-11-13 18:33:42,924 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:33:42,924 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:33:43,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:33:44,084 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:33:44,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:33:44,105 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2021-11-13 18:33:44,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:33:44,127 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2021-11-13 18:33:44,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:33:44,149 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2021-11-13 18:33:44,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:33:44,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-13 18:33:44,160 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:33:44,160 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142538503]
[2021-11-13 18:33:44,161 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142538503] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:33:44,161 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:33:44,161 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:33:44,161 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238862012]
[2021-11-13 18:33:44,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:33:44,162 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:33:44,162 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:33:44,162 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:33:44,163 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:33:44,163 INFO  L87              Difference]: Start difference. First operand 14006 states and 21009 transitions. Second operand  has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:33:46,442 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:49,633 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:52,954 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:55,044 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:33:59,074 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:02,795 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:12,288 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:14,364 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:18,930 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:21,472 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:26,968 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:29,506 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:31,803 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:33,777 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:35,951 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:38,205 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:40,573 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:44,101 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:46,175 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:48,349 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:50,407 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:52,409 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:54,404 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:56,494 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:34:58,155 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:00,045 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:02,068 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:03,645 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:05,574 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:07,263 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:09,510 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:11,728 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:14,467 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:16,493 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:18,695 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:20,743 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:23,645 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:25,692 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:28,015 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:29,042 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:35:29,042 INFO  L93              Difference]: Finished difference Result 43881 states and 67009 transitions.
[2021-11-13 18:35:29,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-13 18:35:29,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56
[2021-11-13 18:35:29,043 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:35:29,263 INFO  L225             Difference]: With dead ends: 43881
[2021-11-13 18:35:29,263 INFO  L226             Difference]: Without dead ends: 29880
[2021-11-13 18:35:29,358 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:35:29,359 INFO  L933         BasicCegarLoop]: 7574 mSDtfsCounter, 6781 mSDsluCounter, 8249 mSDsCounter, 0 mSdLazyCounter, 4298 mSolverCounterSat, 3032 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100147.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7726 SdHoareTripleChecker+Valid, 15823 SdHoareTripleChecker+Invalid, 7358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 79.80ms SdHoareTripleChecker+Time, 3032 IncrementalHoareTripleChecker+Valid, 4298 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103867.30ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:35:29,359 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [7726 Valid, 15823 Invalid, 7358 Unknown, 0 Unchecked, 79.80ms Time], IncrementalHoareTripleChecker [3032 Valid, 4298 Invalid, 28 Unknown, 0 Unchecked, 103867.30ms Time]
[2021-11-13 18:35:29,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29880 states.
[2021-11-13 18:35:31,089 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29880 to 27724.
[2021-11-13 18:35:31,133 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27724 states, 18949 states have (on average 1.388833183809172) internal successors, (26317), 19537 states have internal predecessors, (26317), 7622 states have call successors, (7622), 1153 states have call predecessors, (7622), 1152 states have return successors, (7620), 7557 states have call predecessors, (7620), 7620 states have call successors, (7620)
[2021-11-13 18:35:31,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27724 states to 27724 states and 41559 transitions.
[2021-11-13 18:35:31,296 INFO  L78                 Accepts]: Start accepts. Automaton has 27724 states and 41559 transitions. Word has length 56
[2021-11-13 18:35:31,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:35:31,297 INFO  L470      AbstractCegarLoop]: Abstraction has 27724 states and 41559 transitions.
[2021-11-13 18:35:31,297 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:35:31,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 27724 states and 41559 transitions.
[2021-11-13 18:35:31,308 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2021-11-13 18:35:31,308 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:35:31,309 INFO  L514         BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:35:31,309 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:35:31,310 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:35:31,310 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:35:31,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 731026740, now seen corresponding path program 1 times
[2021-11-13 18:35:31,311 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:35:31,311 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384213325]
[2021-11-13 18:35:31,311 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:35:31,311 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:35:32,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:32,562 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:35:32,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:32,584 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2021-11-13 18:35:32,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:32,608 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2021-11-13 18:35:32,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:32,632 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2021-11-13 18:35:32,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:35:32,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-13 18:35:32,643 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:35:32,644 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384213325]
[2021-11-13 18:35:32,644 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384213325] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:35:32,644 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:35:32,644 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:35:32,644 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033308731]
[2021-11-13 18:35:32,644 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:35:32,645 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:35:32,645 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:35:32,645 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:35:32,646 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:35:32,647 INFO  L87              Difference]: Start difference. First operand 27724 states and 41559 transitions. Second operand  has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:35:34,927 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:40,819 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:43,955 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:47,895 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:52,197 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:35:59,205 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:03,247 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:06,983 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:10,944 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:13,245 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:19,259 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:24,188 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:25,768 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:27,953 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:30,268 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:34,072 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:36,159 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:38,299 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:40,385 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:42,539 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:44,180 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:46,302 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:47,905 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:49,716 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:51,361 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:52,596 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:54,765 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:56,981 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:36:59,629 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:01,653 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:03,839 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:05,869 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:09,062 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:11,134 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:13,476 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:15,534 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:15,657 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:15,657 INFO  L93              Difference]: Finished difference Result 86827 states and 132368 transitions.
[2021-11-13 18:37:15,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-13 18:37:15,658 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 58
[2021-11-13 18:37:15,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:16,177 INFO  L225             Difference]: With dead ends: 86827
[2021-11-13 18:37:16,178 INFO  L226             Difference]: Without dead ends: 59108
[2021-11-13 18:37:16,314 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:37:16,317 INFO  L933         BasicCegarLoop]: 8083 mSDtfsCounter, 6712 mSDsluCounter, 8508 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 2901 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97237.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7651 SdHoareTripleChecker+Valid, 16591 SdHoareTripleChecker+Invalid, 7323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 78.95ms SdHoareTripleChecker+Time, 2901 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101464.90ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:16,318 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [7651 Valid, 16591 Invalid, 7323 Unknown, 0 Unchecked, 78.95ms Time], IncrementalHoareTripleChecker [2901 Valid, 4393 Invalid, 29 Unknown, 0 Unchecked, 101464.90ms Time]
[2021-11-13 18:37:16,371 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59108 states.
[2021-11-13 18:37:19,229 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59108 to 54797.
[2021-11-13 18:37:19,297 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54797 states, 37436 states have (on average 1.3876482530184848) internal successors, (51948), 38612 states have internal predecessors, (51948), 15059 states have call successors, (15059), 2302 states have call predecessors, (15059), 2301 states have return successors, (15057), 14930 states have call predecessors, (15057), 15057 states have call successors, (15057)
[2021-11-13 18:37:20,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54797 states to 54797 states and 82064 transitions.
[2021-11-13 18:37:20,027 INFO  L78                 Accepts]: Start accepts. Automaton has 54797 states and 82064 transitions. Word has length 58
[2021-11-13 18:37:20,029 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:20,029 INFO  L470      AbstractCegarLoop]: Abstraction has 54797 states and 82064 transitions.
[2021-11-13 18:37:20,029 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:37:20,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 54797 states and 82064 transitions.
[2021-11-13 18:37:20,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2021-11-13 18:37:20,039 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:37:20,040 INFO  L514         BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:20,040 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:37:20,040 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:20,040 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:20,041 INFO  L85        PathProgramCache]: Analyzing trace with hash -1306919861, now seen corresponding path program 1 times
[2021-11-13 18:37:20,041 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:37:20,041 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935154014]
[2021-11-13 18:37:20,041 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:20,041 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:37:20,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:21,083 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:37:21,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:21,106 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2021-11-13 18:37:21,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:21,128 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2021-11-13 18:37:21,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:21,152 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2021-11-13 18:37:21,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:21,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-13 18:37:21,165 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:37:21,165 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935154014]
[2021-11-13 18:37:21,165 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935154014] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:21,165 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:21,166 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:37:21,166 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114304060]
[2021-11-13 18:37:21,166 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:21,168 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:37:21,168 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:37:21,168 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:37:21,168 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:37:21,169 INFO  L87              Difference]: Start difference. First operand 54797 states and 82064 transitions. Second operand  has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:37:23,397 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:29,527 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:31,871 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:36,977 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:38,806 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:41,691 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:53,763 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:56,586 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:37:59,830 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:02,270 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:09,477 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:12,927 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:15,082 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:19,121 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:21,417 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:23,647 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:25,142 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:27,162 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:29,176 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:31,061 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:33,180 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:34,765 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:36,431 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:38,615 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:40,939 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:43,825 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:45,846 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:48,084 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:50,118 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:53,316 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:55,485 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:57,911 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:38:59,958 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:00,126 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:39:00,126 INFO  L93              Difference]: Finished difference Result 171670 states and 261379 transitions.
[2021-11-13 18:39:00,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-13 18:39:00,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59
[2021-11-13 18:39:00,127 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:39:01,186 INFO  L225             Difference]: With dead ends: 171670
[2021-11-13 18:39:01,187 INFO  L226             Difference]: Without dead ends: 116878
[2021-11-13 18:39:01,557 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:39:01,558 INFO  L933         BasicCegarLoop]: 8136 mSDtfsCounter, 6700 mSDsluCounter, 8587 mSDsCounter, 0 mSdLazyCounter, 4370 mSolverCounterSat, 2895 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91087.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7638 SdHoareTripleChecker+Valid, 16723 SdHoareTripleChecker+Invalid, 7293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 83.16ms SdHoareTripleChecker+Time, 2895 IncrementalHoareTripleChecker+Valid, 4370 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95002.90ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:39:01,559 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [7638 Valid, 16723 Invalid, 7293 Unknown, 0 Unchecked, 83.16ms Time], IncrementalHoareTripleChecker [2895 Valid, 4370 Invalid, 28 Unknown, 0 Unchecked, 95002.90ms Time]
[2021-11-13 18:39:01,669 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116878 states.
[2021-11-13 18:39:07,499 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116878 to 108293.
[2021-11-13 18:39:07,762 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 108293 states, 73956 states have (on average 1.3868245984098653) internal successors, (102564), 76324 states have internal predecessors, (102564), 29723 states have call successors, (29723), 4598 states have call predecessors, (29723), 4613 states have return successors, (29849), 29466 states have call predecessors, (29849), 29721 states have call successors, (29849)
[2021-11-13 18:39:10,241 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108293 states to 108293 states and 162136 transitions.
[2021-11-13 18:39:10,317 INFO  L78                 Accepts]: Start accepts. Automaton has 108293 states and 162136 transitions. Word has length 59
[2021-11-13 18:39:10,341 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:39:10,341 INFO  L470      AbstractCegarLoop]: Abstraction has 108293 states and 162136 transitions.
[2021-11-13 18:39:10,342 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:39:10,342 INFO  L276                IsEmpty]: Start isEmpty. Operand 108293 states and 162136 transitions.
[2021-11-13 18:39:10,362 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2021-11-13 18:39:10,362 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 18:39:10,363 INFO  L514         BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:39:10,363 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:39:10,363 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:39:10,364 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:39:10,364 INFO  L85        PathProgramCache]: Analyzing trace with hash -2076365237, now seen corresponding path program 1 times
[2021-11-13 18:39:10,364 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:39:10,364 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848852332]
[2021-11-13 18:39:10,365 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:39:10,365 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:39:10,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:39:11,524 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2021-11-13 18:39:11,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:39:11,552 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2021-11-13 18:39:11,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:39:11,781 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2021-11-13 18:39:11,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:39:11,859 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2021-11-13 18:39:11,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:39:11,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-13 18:39:11,900 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:39:11,900 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848852332]
[2021-11-13 18:39:11,900 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848852332] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:39:11,900 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:39:11,900 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:39:11,901 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233426063]
[2021-11-13 18:39:11,901 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:39:11,902 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:39:11,902 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:39:11,902 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:39:11,903 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:39:11,903 INFO  L87              Difference]: Start difference. First operand 108293 states and 162136 transitions. Second operand  has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:39:14,473 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:18,029 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:21,989 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:23,775 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:25,811 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:30,469 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:35,467 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:48,112 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:51,113 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []
[2021-11-13 18:39:56,951 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:39:58,979 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:01,204 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:09,151 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:11,003 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:13,112 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:17,955 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:20,430 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:22,699 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:25,411 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:27,501 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:30,208 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:32,355 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:34,656 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:36,710 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:38,903 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:40,947 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:43,181 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:45,200 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2021-11-13 18:40:46,531 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []