./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version a4ecdabc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bb414c2b143fbc9e085574896a10340ca19f82f
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-a4ecdab
[2020-11-22 13:08:55,796 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-11-22 13:08:55,815 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-22 13:08:55,862 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-22 13:08:55,863 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-22 13:08:55,864 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-22 13:08:55,866 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-22 13:08:55,868 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-22 13:08:55,870 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-22 13:08:55,871 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-22 13:08:55,872 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-11-22 13:08:55,873 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-22 13:08:55,874 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-22 13:08:55,879 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-22 13:08:55,880 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-22 13:08:55,881 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-22 13:08:55,882 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-22 13:08:55,883 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-22 13:08:55,885 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-22 13:08:55,887 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-22 13:08:55,889 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-22 13:08:55,893 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-22 13:08:55,895 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-11-22 13:08:55,896 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-22 13:08:55,907 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-22 13:08:55,907 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-22 13:08:55,908 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-22 13:08:55,909 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-22 13:08:55,909 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-22 13:08:55,910 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-22 13:08:55,911 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-22 13:08:55,912 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-22 13:08:55,912 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-22 13:08:55,913 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-22 13:08:55,914 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-22 13:08:55,915 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-22 13:08:55,916 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-22 13:08:55,916 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-22 13:08:55,916 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-22 13:08:55,917 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-22 13:08:55,918 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-11-22 13:08:55,919 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf
[2020-11-22 13:08:55,943 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-11-22 13:08:55,945 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-22 13:08:55,946 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2020-11-22 13:08:55,946 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2020-11-22 13:08:55,947 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2020-11-22 13:08:55,947 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2020-11-22 13:08:55,947 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2020-11-22 13:08:55,947 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2020-11-22 13:08:55,947 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2020-11-22 13:08:55,948 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2020-11-22 13:08:55,949 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2020-11-22 13:08:55,949 INFO  L138        SettingsManager]:  * Interval Domain=false
[2020-11-22 13:08:55,949 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2020-11-22 13:08:55,949 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2020-11-22 13:08:55,950 INFO  L138        SettingsManager]:  * Simplification Technique=SIMPLIFY_QUICK
[2020-11-22 13:08:55,950 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-22 13:08:55,950 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-11-22 13:08:55,951 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-11-22 13:08:55,951 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-11-22 13:08:55,951 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-11-22 13:08:55,951 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-11-22 13:08:55,951 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-22 13:08:55,952 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-11-22 13:08:55,952 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2020-11-22 13:08:55,952 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-11-22 13:08:55,952 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-11-22 13:08:55,953 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-11-22 13:08:55,953 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-11-22 13:08:55,953 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-22 13:08:55,953 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-11-22 13:08:55,953 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-11-22 13:08:55,954 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-22 13:08:55,954 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-22 13:08:55,954 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-11-22 13:08:55,954 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-22 13:08:55,955 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2020-11-22 13:08:55,955 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-22 13:08:55,955 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-22 13:08:55,955 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-11-22 13:08:55,956 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-11-22 13:08:55,956 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/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-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bb414c2b143fbc9e085574896a10340ca19f82f
[2020-11-22 13:08:56,253 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-22 13:08:56,272 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-22 13:08:56,275 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-22 13:08:56,276 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-11-22 13:08:56,277 INFO  L275        PluginConnector]: CDTParser initialized
[2020-11-22 13:08:56,278 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i
[2020-11-22 13:08:56,367 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/data/b59dac3dd/5e2167d3121c4a41b7879cba47fba8c7/FLAGe2550ae9e
[2020-11-22 13:08:56,992 INFO  L306              CDTParser]: Found 1 translation units.
[2020-11-22 13:08:56,993 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i
[2020-11-22 13:08:57,023 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/data/b59dac3dd/5e2167d3121c4a41b7879cba47fba8c7/FLAGe2550ae9e
[2020-11-22 13:08:57,265 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/data/b59dac3dd/5e2167d3121c4a41b7879cba47fba8c7
[2020-11-22 13:08:57,268 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-22 13:08:57,269 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2020-11-22 13:08:57,271 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-22 13:08:57,271 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-22 13:08:57,274 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-22 13:08:57,275 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:57" (1/1) ...
[2020-11-22 13:08:57,277 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2981deee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:57, skipping insertion in model container
[2020-11-22 13:08:57,277 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:57" (1/1) ...
[2020-11-22 13:08:57,283 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-11-22 13:08:57,337 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-11-22 13:08:58,017 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-22 13:08:58,027 INFO  L203         MainTranslator]: Completed pre-run
[2020-11-22 13:08:58,073 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-22 13:08:58,434 INFO  L208         MainTranslator]: Completed translation
[2020-11-22 13:08:58,434 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58 WrapperNode
[2020-11-22 13:08:58,434 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-22 13:08:58,435 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-11-22 13:08:58,435 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-11-22 13:08:58,435 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-11-22 13:08:58,442 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,471 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,507 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-11-22 13:08:58,508 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-22 13:08:58,508 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-22 13:08:58,508 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-11-22 13:08:58,520 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,521 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,527 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,527 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,541 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,546 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,553 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
[2020-11-22 13:08:58,561 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-22 13:08:58,562 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-22 13:08:58,562 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-11-22 13:08:58,563 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-11-22 13:08:58,563 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-22 13:08:58,634 INFO  L130     BoogieDeclarations]: Found specification of procedure thread_usb
[2020-11-22 13:08:58,634 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread_usb
[2020-11-22 13:08:58,634 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-22 13:08:58,634 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-11-22 13:08:58,634 INFO  L130     BoogieDeclarations]: Found specification of procedure thread_ath9k
[2020-11-22 13:08:58,634 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread_ath9k
[2020-11-22 13:08:58,635 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2020-11-22 13:08:58,635 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-11-22 13:08:58,635 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-22 13:08:58,635 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-22 13:08:58,635 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-22 13:08:58,636 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-11-22 13:08:58,636 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-22 13:08:58,637 WARN  L208             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-11-22 13:08:59,368 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-22 13:08:59,369 INFO  L298             CfgBuilder]: Removed 44 assume(true) statements.
[2020-11-22 13:08:59,370 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:59 BoogieIcfgContainer
[2020-11-22 13:08:59,371 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-22 13:08:59,372 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-22 13:08:59,372 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-11-22 13:08:59,375 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-11-22 13:08:59,376 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:57" (1/3) ...
[2020-11-22 13:08:59,377 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28faf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:59, skipping insertion in model container
[2020-11-22 13:08:59,377 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:58" (2/3) ...
[2020-11-22 13:08:59,377 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28faf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:59, skipping insertion in model container
[2020-11-22 13:08:59,377 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:59" (3/3) ...
[2020-11-22 13:08:59,379 INFO  L111   eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i
[2020-11-22 13:08:59,389 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-11-22 13:08:59,389 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-22 13:08:59,394 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations.
[2020-11-22 13:08:59,394 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-11-22 13:08:59,425 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,426 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,426 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,426 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,427 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,427 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,427 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,427 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,427 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,428 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,428 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,428 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,428 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,429 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,429 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,429 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,429 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,430 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,430 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,430 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,430 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,431 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,431 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,431 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,431 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,432 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,432 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,432 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,432 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,433 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,433 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,435 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,435 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,435 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,435 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,435 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,436 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,436 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,436 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,436 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,437 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,437 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,437 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,437 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,438 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,438 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,438 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,438 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,439 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,439 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,439 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,439 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,439 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,440 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,440 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,440 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,440 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,440 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,441 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,441 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,441 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,441 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,441 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,442 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,442 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,442 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,442 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,442 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,443 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,443 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,443 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,443 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,444 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,444 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,444 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,444 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,444 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,445 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,445 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,445 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,445 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,446 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,446 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,446 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,447 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,447 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,447 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,447 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,448 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,448 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,448 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,448 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,449 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,449 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,449 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,449 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,449 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,450 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,450 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,450 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,450 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,451 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,451 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,451 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,451 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,451 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,452 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,452 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,452 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,452 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,452 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,453 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,453 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,453 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,453 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,453 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,454 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,454 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,454 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,454 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,454 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,455 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,455 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,455 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,455 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,456 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,458 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,458 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,458 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,458 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,459 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,459 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,459 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,459 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,459 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,460 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,460 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,460 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,460 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,460 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,461 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,461 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,461 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,461 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,461 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,462 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,462 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,462 WARN  L313   ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,462 WARN  L313   ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,467 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,467 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,467 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,467 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,467 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,467 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,468 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,468 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,468 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,468 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,468 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,475 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,475 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,475 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,475 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,475 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,475 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,476 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,476 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,476 WARN  L313   ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,476 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,476 WARN  L313   ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-11-22 13:08:59,491 INFO  L149    ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions.
[2020-11-22 13:08:59,502 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2020-11-22 13:08:59,521 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-11-22 13:08:59,522 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-11-22 13:08:59,522 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-22 13:08:59,522 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-22 13:08:59,522 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-22 13:08:59,522 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-11-22 13:08:59,522 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-22 13:08:59,523 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-22 13:08:59,558 INFO  L129   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2020-11-22 13:08:59,560 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 313 transitions, 668 flow
[2020-11-22 13:08:59,563 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 313 transitions, 668 flow
[2020-11-22 13:08:59,564 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 273 places, 313 transitions, 668 flow
[2020-11-22 13:08:59,758 INFO  L129       PetriNetUnfolder]: 79/553 cut-off events.
[2020-11-22 13:08:59,758 INFO  L130       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2020-11-22 13:08:59,769 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 577 conditions, 553 events. 79/553 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1503 event pairs, 0 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 573. Up to 24 conditions per place. 
[2020-11-22 13:08:59,793 INFO  L116        LiptonReduction]: Number of co-enabled transitions 12708
[2020-11-22 13:09:04,702 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55
[2020-11-22 13:09:06,064 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81
[2020-11-22 13:09:06,221 WARN  L193               SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 77
[2020-11-22 13:09:06,826 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 102
[2020-11-22 13:09:07,061 WARN  L193               SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 102
[2020-11-22 13:09:07,965 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 118
[2020-11-22 13:09:08,223 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 118
[2020-11-22 13:09:08,496 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 140
[2020-11-22 13:09:08,705 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 132
[2020-11-22 13:09:08,889 WARN  L193               SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 122
[2020-11-22 13:09:09,078 WARN  L193               SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 118
[2020-11-22 13:09:09,320 INFO  L131        LiptonReduction]: Checked pairs total: 23037
[2020-11-22 13:09:09,320 INFO  L133        LiptonReduction]: Total number of compositions: 417
[2020-11-22 13:09:09,328 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 66 transitions, 174 flow
[2020-11-22 13:09:09,387 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 750 states.
[2020-11-22 13:09:09,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 750 states.
[2020-11-22 13:09:09,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2
[2020-11-22 13:09:09,393 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-22 13:09:09,394 INFO  L422         BasicCegarLoop]: trace histogram [1]
[2020-11-22 13:09:09,394 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]===
[2020-11-22 13:09:09,399 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-22 13:09:09,400 INFO  L82        PathProgramCache]: Analyzing trace with hash 1135, now seen corresponding path program 1 times
[2020-11-22 13:09:09,413 INFO  L162   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2020-11-22 13:09:09,415 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492395841]
[2020-11-22 13:09:09,415 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-22 13:09:09,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-22 13:09:09,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-22 13:09:09,703 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492395841]
[2020-11-22 13:09:09,704 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-22 13:09:09,705 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2020-11-22 13:09:09,705 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178043938]
[2020-11-22 13:09:09,709 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-11-22 13:09:09,709 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2020-11-22 13:09:09,728 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-11-22 13:09:09,735 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-11-22 13:09:09,737 INFO  L87              Difference]: Start difference. First operand 750 states. Second operand 2 states.
[2020-11-22 13:09:09,796 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-22 13:09:09,798 INFO  L93              Difference]: Finished difference Result 748 states and 2130 transitions.
[2020-11-22 13:09:09,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-11-22 13:09:09,800 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 1
[2020-11-22 13:09:09,800 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-22 13:09:09,822 INFO  L225             Difference]: With dead ends: 748
[2020-11-22 13:09:09,822 INFO  L226             Difference]: Without dead ends: 725
[2020-11-22 13:09:09,823 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-11-22 13:09:09,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 725 states.
[2020-11-22 13:09:09,925 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725.
[2020-11-22 13:09:09,926 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 725 states.
[2020-11-22 13:09:09,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 2084 transitions.
[2020-11-22 13:09:09,933 INFO  L78                 Accepts]: Start accepts. Automaton has 725 states and 2084 transitions. Word has length 1
[2020-11-22 13:09:09,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-22 13:09:09,933 INFO  L481      AbstractCegarLoop]: Abstraction has 725 states and 2084 transitions.
[2020-11-22 13:09:09,933 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-11-22 13:09:09,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 725 states and 2084 transitions.
[2020-11-22 13:09:09,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2020-11-22 13:09:09,934 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-22 13:09:09,935 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2020-11-22 13:09:09,935 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-22 13:09:09,935 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]===
[2020-11-22 13:09:09,936 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-22 13:09:09,936 INFO  L82        PathProgramCache]: Analyzing trace with hash -1230787086, now seen corresponding path program 1 times
[2020-11-22 13:09:09,936 INFO  L162   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2020-11-22 13:09:09,936 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046552112]
[2020-11-22 13:09:09,936 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-22 13:09:10,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-22 13:09:10,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-22 13:09:10,148 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046552112]
[2020-11-22 13:09:10,148 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-22 13:09:10,148 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-22 13:09:10,148 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626766398]
[2020-11-22 13:09:10,149 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-22 13:09:10,149 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2020-11-22 13:09:10,150 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-22 13:09:10,150 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-22 13:09:10,151 INFO  L87              Difference]: Start difference. First operand 725 states and 2084 transitions. Second operand 4 states.
[2020-11-22 13:09:10,254 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-22 13:09:10,254 INFO  L93              Difference]: Finished difference Result 1469 states and 4291 transitions.
[2020-11-22 13:09:10,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-11-22 13:09:10,255 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 6
[2020-11-22 13:09:10,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-22 13:09:10,270 INFO  L225             Difference]: With dead ends: 1469
[2020-11-22 13:09:10,270 INFO  L226             Difference]: Without dead ends: 1453
[2020-11-22 13:09:10,271 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-22 13:09:10,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1453 states.
[2020-11-22 13:09:10,321 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 807.
[2020-11-22 13:09:10,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 807 states.
[2020-11-22 13:09:10,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 2306 transitions.
[2020-11-22 13:09:10,327 INFO  L78                 Accepts]: Start accepts. Automaton has 807 states and 2306 transitions. Word has length 6
[2020-11-22 13:09:10,328 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-22 13:09:10,328 INFO  L481      AbstractCegarLoop]: Abstraction has 807 states and 2306 transitions.
[2020-11-22 13:09:10,328 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-22 13:09:10,328 INFO  L276                IsEmpty]: Start isEmpty. Operand 807 states and 2306 transitions.
[2020-11-22 13:09:10,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-11-22 13:09:10,329 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-22 13:09:10,329 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-22 13:09:10,329 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-22 13:09:10,329 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]===
[2020-11-22 13:09:10,330 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-22 13:09:10,330 INFO  L82        PathProgramCache]: Analyzing trace with hash -1678265667, now seen corresponding path program 1 times
[2020-11-22 13:09:10,330 INFO  L162   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2020-11-22 13:09:10,331 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365626991]
[2020-11-22 13:09:10,331 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-22 13:09:10,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-22 13:09:10,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-22 13:09:10,431 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365626991]
[2020-11-22 13:09:10,431 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-22 13:09:10,431 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-22 13:09:10,431 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322814334]
[2020-11-22 13:09:10,431 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-22 13:09:10,432 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2020-11-22 13:09:10,432 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-22 13:09:10,432 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,433 INFO  L87              Difference]: Start difference. First operand 807 states and 2306 transitions. Second operand 3 states.
[2020-11-22 13:09:10,514 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-22 13:09:10,514 INFO  L93              Difference]: Finished difference Result 813 states and 2224 transitions.
[2020-11-22 13:09:10,516 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-22 13:09:10,516 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2020-11-22 13:09:10,516 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-22 13:09:10,523 INFO  L225             Difference]: With dead ends: 813
[2020-11-22 13:09:10,524 INFO  L226             Difference]: Without dead ends: 783
[2020-11-22 13:09:10,524 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,529 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 783 states.
[2020-11-22 13:09:10,552 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783.
[2020-11-22 13:09:10,552 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 783 states.
[2020-11-22 13:09:10,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 2130 transitions.
[2020-11-22 13:09:10,557 INFO  L78                 Accepts]: Start accepts. Automaton has 783 states and 2130 transitions. Word has length 8
[2020-11-22 13:09:10,557 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-22 13:09:10,557 INFO  L481      AbstractCegarLoop]: Abstraction has 783 states and 2130 transitions.
[2020-11-22 13:09:10,558 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-22 13:09:10,558 INFO  L276                IsEmpty]: Start isEmpty. Operand 783 states and 2130 transitions.
[2020-11-22 13:09:10,560 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-11-22 13:09:10,560 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-22 13:09:10,561 INFO  L422         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1]
[2020-11-22 13:09:10,561 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-22 13:09:10,561 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]===
[2020-11-22 13:09:10,562 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-22 13:09:10,562 INFO  L82        PathProgramCache]: Analyzing trace with hash -472544693, now seen corresponding path program 1 times
[2020-11-22 13:09:10,562 INFO  L162   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2020-11-22 13:09:10,563 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110485026]
[2020-11-22 13:09:10,563 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-22 13:09:10,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-22 13:09:10,640 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-22 13:09:10,641 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110485026]
[2020-11-22 13:09:10,641 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-22 13:09:10,641 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-22 13:09:10,641 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443557916]
[2020-11-22 13:09:10,641 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-22 13:09:10,641 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2020-11-22 13:09:10,642 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-22 13:09:10,642 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,642 INFO  L87              Difference]: Start difference. First operand 783 states and 2130 transitions. Second operand 3 states.
[2020-11-22 13:09:10,673 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-22 13:09:10,673 INFO  L93              Difference]: Finished difference Result 361 states and 877 transitions.
[2020-11-22 13:09:10,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-22 13:09:10,674 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2020-11-22 13:09:10,674 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-22 13:09:10,677 INFO  L225             Difference]: With dead ends: 361
[2020-11-22 13:09:10,677 INFO  L226             Difference]: Without dead ends: 346
[2020-11-22 13:09:10,677 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,679 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 346 states.
[2020-11-22 13:09:10,688 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346.
[2020-11-22 13:09:10,688 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 346 states.
[2020-11-22 13:09:10,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 832 transitions.
[2020-11-22 13:09:10,694 INFO  L78                 Accepts]: Start accepts. Automaton has 346 states and 832 transitions. Word has length 9
[2020-11-22 13:09:10,694 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-22 13:09:10,695 INFO  L481      AbstractCegarLoop]: Abstraction has 346 states and 832 transitions.
[2020-11-22 13:09:10,695 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-22 13:09:10,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 346 states and 832 transitions.
[2020-11-22 13:09:10,697 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-11-22 13:09:10,698 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-22 13:09:10,698 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-22 13:09:10,698 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-22 13:09:10,698 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]===
[2020-11-22 13:09:10,698 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-22 13:09:10,698 INFO  L82        PathProgramCache]: Analyzing trace with hash 2094422399, now seen corresponding path program 1 times
[2020-11-22 13:09:10,698 INFO  L162   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2020-11-22 13:09:10,699 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287318938]
[2020-11-22 13:09:10,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-22 13:09:10,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-22 13:09:10,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-22 13:09:10,769 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287318938]
[2020-11-22 13:09:10,769 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-22 13:09:10,769 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-22 13:09:10,769 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696126028]
[2020-11-22 13:09:10,770 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-22 13:09:10,770 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2020-11-22 13:09:10,770 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-22 13:09:10,770 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,770 INFO  L87              Difference]: Start difference. First operand 346 states and 832 transitions. Second operand 3 states.
[2020-11-22 13:09:10,797 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-22 13:09:10,797 INFO  L93              Difference]: Finished difference Result 217 states and 520 transitions.
[2020-11-22 13:09:10,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-22 13:09:10,798 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2020-11-22 13:09:10,798 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-22 13:09:10,800 INFO  L225             Difference]: With dead ends: 217
[2020-11-22 13:09:10,800 INFO  L226             Difference]: Without dead ends: 202
[2020-11-22 13:09:10,800 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,801 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2020-11-22 13:09:10,805 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 157.
[2020-11-22 13:09:10,806 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 157 states.
[2020-11-22 13:09:10,807 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 380 transitions.
[2020-11-22 13:09:10,807 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 380 transitions. Word has length 10
[2020-11-22 13:09:10,807 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-22 13:09:10,807 INFO  L481      AbstractCegarLoop]: Abstraction has 157 states and 380 transitions.
[2020-11-22 13:09:10,807 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-22 13:09:10,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 380 transitions.
[2020-11-22 13:09:10,812 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-11-22 13:09:10,812 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-22 13:09:10,812 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-22 13:09:10,812 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-22 13:09:10,813 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]===
[2020-11-22 13:09:10,813 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-22 13:09:10,813 INFO  L82        PathProgramCache]: Analyzing trace with hash -1687554196, now seen corresponding path program 1 times
[2020-11-22 13:09:10,813 INFO  L162   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2020-11-22 13:09:10,814 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270840835]
[2020-11-22 13:09:10,814 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-22 13:09:10,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-22 13:09:10,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-22 13:09:10,889 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270840835]
[2020-11-22 13:09:10,889 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-22 13:09:10,889 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-22 13:09:10,889 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955819803]
[2020-11-22 13:09:10,889 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-22 13:09:10,889 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2020-11-22 13:09:10,890 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-22 13:09:10,890 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,890 INFO  L87              Difference]: Start difference. First operand 157 states and 380 transitions. Second operand 3 states.
[2020-11-22 13:09:10,922 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-22 13:09:10,922 INFO  L93              Difference]: Finished difference Result 151 states and 369 transitions.
[2020-11-22 13:09:10,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-22 13:09:10,925 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 13
[2020-11-22 13:09:10,925 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-22 13:09:10,926 INFO  L225             Difference]: With dead ends: 151
[2020-11-22 13:09:10,926 INFO  L226             Difference]: Without dead ends: 117
[2020-11-22 13:09:10,926 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:10,927 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2020-11-22 13:09:10,930 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117.
[2020-11-22 13:09:10,930 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 117 states.
[2020-11-22 13:09:10,931 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 299 transitions.
[2020-11-22 13:09:10,931 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 299 transitions. Word has length 13
[2020-11-22 13:09:10,931 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-22 13:09:10,931 INFO  L481      AbstractCegarLoop]: Abstraction has 117 states and 299 transitions.
[2020-11-22 13:09:10,932 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-22 13:09:10,932 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 299 transitions.
[2020-11-22 13:09:10,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-11-22 13:09:10,933 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-22 13:09:10,933 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-22 13:09:10,933 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-22 13:09:10,934 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]===
[2020-11-22 13:09:10,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-22 13:09:10,934 INFO  L82        PathProgramCache]: Analyzing trace with hash 1527214958, now seen corresponding path program 1 times
[2020-11-22 13:09:10,935 INFO  L162   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2020-11-22 13:09:10,935 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641158768]
[2020-11-22 13:09:10,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-22 13:09:10,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-22 13:09:11,008 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-11-22 13:09:11,009 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641158768]
[2020-11-22 13:09:11,009 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-22 13:09:11,009 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-22 13:09:11,009 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749852466]
[2020-11-22 13:09:11,009 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-22 13:09:11,009 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2020-11-22 13:09:11,010 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-22 13:09:11,010 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:11,010 INFO  L87              Difference]: Start difference. First operand 117 states and 299 transitions. Second operand 3 states.
[2020-11-22 13:09:11,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-22 13:09:11,040 INFO  L93              Difference]: Finished difference Result 212 states and 565 transitions.
[2020-11-22 13:09:11,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-22 13:09:11,041 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 16
[2020-11-22 13:09:11,041 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-22 13:09:11,041 INFO  L225             Difference]: With dead ends: 212
[2020-11-22 13:09:11,041 INFO  L226             Difference]: Without dead ends: 0
[2020-11-22 13:09:11,041 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-22 13:09:11,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-11-22 13:09:11,042 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-11-22 13:09:11,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-11-22 13:09:11,042 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-11-22 13:09:11,042 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16
[2020-11-22 13:09:11,042 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-22 13:09:11,042 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-11-22 13:09:11,042 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-22 13:09:11,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-11-22 13:09:11,042 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-11-22 13:09:11,042 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-11-22 13:09:11,045 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:09:11 BasicIcfg
[2020-11-22 13:09:11,045 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-22 13:09:11,046 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-11-22 13:09:11,046 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-11-22 13:09:11,046 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-11-22 13:09:11,046 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:59" (3/4) ...
[2020-11-22 13:09:11,049 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2020-11-22 13:09:11,055 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k
[2020-11-22 13:09:11,056 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb
[2020-11-22 13:09:11,062 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2020-11-22 13:09:11,062 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2020-11-22 13:09:11,063 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2020-11-22 13:09:11,063 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2020-11-22 13:09:11,118 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_31a97c63-5b8f-4681-bc26-07aa904807de/bin/utaipan/witness.graphml
[2020-11-22 13:09:11,118 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-11-22 13:09:11,119 INFO  L168              Benchmark]: Toolchain (without parser) took 13849.71 ms. Allocated memory was 94.4 MB in the beginning and 241.2 MB in the end (delta: 146.8 MB). Free memory was 72.8 MB in the beginning and 117.7 MB in the end (delta: -44.9 MB). Peak memory consumption was 100.2 MB. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,120 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,120 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1163.87 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 72.5 MB in the beginning and 90.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,121 INFO  L168              Benchmark]: Boogie Procedure Inliner took 72.21 ms. Allocated memory is still 125.8 MB. Free memory was 90.6 MB in the beginning and 86.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,121 INFO  L168              Benchmark]: Boogie Preprocessor took 53.55 ms. Allocated memory is still 125.8 MB. Free memory was 86.4 MB in the beginning and 84.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,122 INFO  L168              Benchmark]: RCFGBuilder took 808.63 ms. Allocated memory is still 125.8 MB. Free memory was 83.2 MB in the beginning and 93.0 MB in the end (delta: -9.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,122 INFO  L168              Benchmark]: TraceAbstraction took 11673.01 ms. Allocated memory was 125.8 MB in the beginning and 241.2 MB in the end (delta: 115.3 MB). Free memory was 93.0 MB in the beginning and 120.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 88.5 MB. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,123 INFO  L168              Benchmark]: Witness Printer took 72.92 ms. Allocated memory is still 241.2 MB. Free memory was 120.8 MB in the beginning and 117.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-11-22 13:09:11,126 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 1163.87 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 72.5 MB in the beginning and 90.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 72.21 ms. Allocated memory is still 125.8 MB. Free memory was 90.6 MB in the beginning and 86.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 53.55 ms. Allocated memory is still 125.8 MB. Free memory was 86.4 MB in the beginning and 84.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 808.63 ms. Allocated memory is still 125.8 MB. Free memory was 83.2 MB in the beginning and 93.0 MB in the end (delta: -9.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 11673.01 ms. Allocated memory was 125.8 MB in the beginning and 241.2 MB in the end (delta: 115.3 MB). Free memory was 93.0 MB in the beginning and 120.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 88.5 MB. Max. memory is 16.1 GB.
 * Witness Printer took 72.92 ms. Allocated memory is still 241.2 MB. Free memory was 120.8 MB in the beginning and 117.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    10013 VarBasedMoverChecksPositive, 95 VarBasedMoverChecksNegative, 35 SemBasedMoverChecksPositive, 60 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 332 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.7s, 273 PlacesBefore, 55 PlacesAfterwards, 313 TransitionsBefore, 66 TransitionsAfterwards, 12708 CoEnabledTransitionPairs, 7 FixpointIterations, 158 TrivialSequentialCompositions, 152 ConcurrentSequentialCompositions, 32 TrivialYvCompositions, 46 ConcurrentYvCompositions, 29 ChoiceCompositions, 417 TotalNumberOfCompositions, 23037 MoverChecksTotal
  - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    6 specifications checked. All of them hold
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 189 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.8s, HoareTripleCheckerStatistics: 373 SDtfs, 158 SDslu, 215 SDs, 0 SdLazy, 89 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=807occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 691 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 715 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...