./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version a4ecdabc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b88bb286bb7e1a9df57ad923d3212313ddabb56
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Using bit-precise analysis
No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf
No suitable settings file found using Overflow*32bit*_Bitvector
ERROR: UNSUPPORTED PROPERTY
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample
--- Real Ultimate output ---
This is Ultimate 0.2.0-a4ecdab
[2020-11-29 23:59:46,885 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-11-29 23:59:46,893 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-29 23:59:46,967 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-29 23:59:46,968 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-29 23:59:46,970 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-29 23:59:46,972 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-29 23:59:46,975 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-29 23:59:46,977 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-29 23:59:46,979 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-29 23:59:46,980 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-11-29 23:59:46,982 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-29 23:59:46,983 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-29 23:59:46,985 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-29 23:59:46,986 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-29 23:59:46,988 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-29 23:59:46,990 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-29 23:59:46,991 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-29 23:59:46,994 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-29 23:59:46,998 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-29 23:59:47,000 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-29 23:59:47,002 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-29 23:59:47,004 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-11-29 23:59:47,006 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-29 23:59:47,010 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-29 23:59:47,011 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-29 23:59:47,011 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-29 23:59:47,013 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-29 23:59:47,014 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-29 23:59:47,015 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-29 23:59:47,016 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-29 23:59:47,017 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-29 23:59:47,018 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-29 23:59:47,020 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-29 23:59:47,022 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-29 23:59:47,022 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-29 23:59:47,023 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-29 23:59:47,024 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-29 23:59:47,024 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-29 23:59:47,026 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-29 23:59:47,027 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-11-29 23:59:47,029 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf
[2020-11-29 23:59:47,057 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-11-29 23:59:47,058 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-29 23:59:47,059 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2020-11-29 23:59:47,060 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2020-11-29 23:59:47,061 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-29 23:59:47,061 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-11-29 23:59:47,062 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-29 23:59:47,062 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-11-29 23:59:47,063 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2020-11-29 23:59:47,063 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-11-29 23:59:47,064 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-11-29 23:59:47,064 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-11-29 23:59:47,065 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-11-29 23:59:47,065 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-29 23:59:47,066 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-11-29 23:59:47,066 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2020-11-29 23:59:47,066 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-11-29 23:59:47,067 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-11-29 23:59:47,067 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-11-29 23:59:47,067 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-11-29 23:59:47,067 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2020-11-29 23:59:47,068 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2020-11-29 23:59:47,068 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-29 23:59:47,068 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-11-29 23:59:47,069 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2020-11-29 23:59:47,069 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-29 23:59:47,069 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-11-29 23:59:47,070 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-29 23:59:47,070 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2020-11-29 23:59:47,070 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-29 23:59:47,071 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-29 23:59:47,071 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/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_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak
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 ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
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 -> 6b88bb286bb7e1a9df57ad923d3212313ddabb56
[2020-11-29 23:59:47,353 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-29 23:59:47,406 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-29 23:59:47,411 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-29 23:59:47,413 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-11-29 23:59:47,414 INFO  L275        PluginConnector]: CDTParser initialized
[2020-11-29 23:59:47,415 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c
[2020-11-29 23:59:47,514 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/data/6f73957fa/6e4a34b45eac44aa8a81afe8ab1cbba3/FLAG99ca75382
[2020-11-29 23:59:48,055 INFO  L306              CDTParser]: Found 1 translation units.
[2020-11-29 23:59:48,056 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c
[2020-11-29 23:59:48,079 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/data/6f73957fa/6e4a34b45eac44aa8a81afe8ab1cbba3/FLAG99ca75382
[2020-11-29 23:59:48,384 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/data/6f73957fa/6e4a34b45eac44aa8a81afe8ab1cbba3
[2020-11-29 23:59:48,386 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-29 23:59:48,387 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2020-11-29 23:59:48,389 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-29 23:59:48,390 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-29 23:59:48,393 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-29 23:59:48,396 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:48,399 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2458b7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48, skipping insertion in model container
[2020-11-29 23:59:48,399 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:48,408 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-11-29 23:59:48,483 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-11-29 23:59:48,798 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-29 23:59:48,808 INFO  L203         MainTranslator]: Completed pre-run
[2020-11-29 23:59:48,874 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-29 23:59:48,901 INFO  L208         MainTranslator]: Completed translation
[2020-11-29 23:59:48,901 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48 WrapperNode
[2020-11-29 23:59:48,901 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-29 23:59:48,903 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-11-29 23:59:48,903 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-11-29 23:59:48,903 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-11-29 23:59:48,914 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:48,928 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,001 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-11-29 23:59:49,002 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-29 23:59:49,009 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-29 23:59:49,018 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-11-29 23:59:49,030 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,030 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,035 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,049 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,065 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,075 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,079 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
[2020-11-29 23:59:49,085 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-29 23:59:49,086 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-29 23:59:49,101 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-11-29 23:59:49,102 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-11-29 23:59:49,103 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:48" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2364497-e75a-4c87-bb73-db9c964b8460/bin/ukojak/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000
[2020-11-29 23:59:49,207 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-29 23:59:49,208 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-29 23:59:49,208 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-29 23:59:49,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-29 23:59:49,446 WARN  L798   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-11-29 23:59:50,342 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2020-11-29 23:59:50,342 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2020-11-29 23:59:50,891 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-29 23:59:50,891 INFO  L298             CfgBuilder]: Removed 9 assume(true) statements.
[2020-11-29 23:59:50,895 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:50 BoogieIcfgContainer
[2020-11-29 23:59:50,895 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-29 23:59:50,896 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2020-11-29 23:59:50,896 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2020-11-29 23:59:50,909 INFO  L275        PluginConnector]: CodeCheck initialized
[2020-11-29 23:59:50,909 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:50" (1/1) ...
[2020-11-29 23:59:50,921 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-29 23:59:50,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:50,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 127 states and 193 transitions.
[2020-11-29 23:59:50,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions.
[2020-11-29 23:59:50,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-11-29 23:59:50,989 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:51,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:51,177 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:51,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:51,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions.
[2020-11-29 23:59:51,252 INFO  L276                IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions.
[2020-11-29 23:59:51,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2020-11-29 23:59:51,254 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:51,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:51,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:51,567 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:51,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions.
[2020-11-29 23:59:51,569 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions.
[2020-11-29 23:59:51,571 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-11-29 23:59:51,571 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:51,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:51,684 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:51,910 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:51,912 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions.
[2020-11-29 23:59:51,916 INFO  L276                IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions.
[2020-11-29 23:59:51,917 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-11-29 23:59:51,919 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:51,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:52,015 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-29 23:59:52,821 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:52,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 171 states and 289 transitions.
[2020-11-29 23:59:52,823 INFO  L276                IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions.
[2020-11-29 23:59:52,827 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-11-29 23:59:52,828 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:52,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:52,895 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:52,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:52,914 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 292 transitions.
[2020-11-29 23:59:52,914 INFO  L276                IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions.
[2020-11-29 23:59:52,918 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-11-29 23:59:52,919 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:52,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:53,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:53,858 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:53,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 188 states and 312 transitions.
[2020-11-29 23:59:53,859 INFO  L276                IsEmpty]: Start isEmpty. Operand 188 states and 312 transitions.
[2020-11-29 23:59:53,860 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-11-29 23:59:53,861 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:53,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:53,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-29 23:59:53,945 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:53,946 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions.
[2020-11-29 23:59:53,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions.
[2020-11-29 23:59:53,947 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-11-29 23:59:53,947 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:53,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:53,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-29 23:59:54,003 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:54,004 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions.
[2020-11-29 23:59:54,004 INFO  L276                IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions.
[2020-11-29 23:59:54,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-11-29 23:59:54,005 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:54,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:54,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:54,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:54,089 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions.
[2020-11-29 23:59:54,089 INFO  L276                IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions.
[2020-11-29 23:59:54,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-11-29 23:59:54,090 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:54,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:54,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:54,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:54,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions.
[2020-11-29 23:59:54,140 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions.
[2020-11-29 23:59:54,141 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-11-29 23:59:54,141 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:54,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:54,179 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-29 23:59:54,222 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:54,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 194 states and 319 transitions.
[2020-11-29 23:59:54,223 INFO  L276                IsEmpty]: Start isEmpty. Operand 194 states and 319 transitions.
[2020-11-29 23:59:54,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2020-11-29 23:59:54,224 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:54,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:54,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-29 23:59:54,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:54,941 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions.
[2020-11-29 23:59:54,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions.
[2020-11-29 23:59:54,946 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-11-29 23:59:54,946 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:54,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:54,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-29 23:59:55,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:55,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 215 states and 351 transitions.
[2020-11-29 23:59:55,453 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 351 transitions.
[2020-11-29 23:59:55,453 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-11-29 23:59:55,454 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:55,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:55,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:56,013 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:56,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions.
[2020-11-29 23:59:56,014 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions.
[2020-11-29 23:59:56,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-11-29 23:59:56,015 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:56,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:56,120 INFO  L263         TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-11-29 23:59:56,127 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-29 23:59:56,621 INFO  L603       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-11-29 23:59:56,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:58,238 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:58,239 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 236 states and 400 transitions.
[2020-11-29 23:59:58,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states and 400 transitions.
[2020-11-29 23:59:58,240 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-11-29 23:59:58,240 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:58,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:58,305 INFO  L263         TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-11-29 23:59:58,307 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-29 23:59:58,332 INFO  L603       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-11-29 23:59:58,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:58,393 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:58,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 237 states and 401 transitions.
[2020-11-29 23:59:58,395 INFO  L276                IsEmpty]: Start isEmpty. Operand 237 states and 401 transitions.
[2020-11-29 23:59:58,396 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-11-29 23:59:58,396 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:58,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:58,454 INFO  L263         TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-11-29 23:59:58,456 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-29 23:59:58,471 INFO  L603       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-11-29 23:59:58,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:58,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:58,500 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 239 states and 404 transitions.
[2020-11-29 23:59:58,501 INFO  L276                IsEmpty]: Start isEmpty. Operand 239 states and 404 transitions.
[2020-11-29 23:59:58,501 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-11-29 23:59:58,502 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:58,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:58,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-29 23:59:59,397 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-29 23:59:59,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 242 states and 414 transitions.
[2020-11-29 23:59:59,398 INFO  L276                IsEmpty]: Start isEmpty. Operand 242 states and 414 transitions.
[2020-11-29 23:59:59,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-11-29 23:59:59,399 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-29 23:59:59,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-29 23:59:59,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-11-30 00:00:00,838 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-30 00:00:00,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 253 states and 431 transitions.
[2020-11-30 00:00:00,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 253 states and 431 transitions.
[2020-11-30 00:00:00,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-11-30 00:00:00,840 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-30 00:00:00,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-30 00:00:01,008 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-30 00:00:02,920 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-30 00:00:02,921 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 268 states and 450 transitions.
[2020-11-30 00:00:02,921 INFO  L276                IsEmpty]: Start isEmpty. Operand 268 states and 450 transitions.
[2020-11-30 00:00:02,922 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-11-30 00:00:02,923 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-30 00:00:02,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-30 00:00:03,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-30 00:00:06,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-30 00:00:06,031 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 284 states and 470 transitions.
[2020-11-30 00:00:06,031 INFO  L276                IsEmpty]: Start isEmpty. Operand 284 states and 470 transitions.
[2020-11-30 00:00:06,032 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-11-30 00:00:06,032 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-30 00:00:06,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-30 00:00:06,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-30 00:00:10,577 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-30 00:00:10,578 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 298 states and 495 transitions.
[2020-11-30 00:00:10,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 298 states and 495 transitions.
[2020-11-30 00:00:10,579 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-11-30 00:00:10,579 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-30 00:00:10,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-30 00:00:10,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-30 00:00:10,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-30 00:00:10,646 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 299 states and 496 transitions.
[2020-11-30 00:00:10,646 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states and 496 transitions.
[2020-11-30 00:00:10,648 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-11-30 00:00:10,648 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-30 00:00:10,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-30 00:00:10,715 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-11-30 00:00:10,762 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-30 00:00:10,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 300 states and 497 transitions.
[2020-11-30 00:00:10,763 INFO  L276                IsEmpty]: Start isEmpty. Operand 300 states and 497 transitions.
[2020-11-30 00:00:10,765 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-11-30 00:00:10,766 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-30 00:00:10,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-30 00:00:10,799 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-11-30 00:00:13,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-11-30 00:00:13,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 314 states and 530 transitions.
[2020-11-30 00:00:13,510 INFO  L276                IsEmpty]: Start isEmpty. Operand 314 states and 530 transitions.
[2020-11-30 00:00:13,511 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-11-30 00:00:13,511 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-11-30 00:00:13,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-30 00:00:13,540 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-30 00:00:13,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-30 00:00:13,561 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-30 00:00:13,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-30 00:00:13,661 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-30 00:00:13,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-30 00:00:13,735 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-30 00:00:13,805 WARN  L483      CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations.
[2020-11-30 00:00:13,940 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:00:13 ImpRootNode
[2020-11-30 00:00:13,957 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2020-11-30 00:00:13,958 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-11-30 00:00:13,958 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-11-30 00:00:13,958 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-11-30 00:00:13,959 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:50" (3/4) ...
[2020-11-30 00:00:13,962 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2020-11-30 00:00:13,962 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-11-30 00:00:13,979 INFO  L168              Benchmark]: Toolchain (without parser) took 25575.53 ms. Allocated memory was 96.5 MB in the beginning and 184.5 MB in the end (delta: 88.1 MB). Free memory was 68.7 MB in the beginning and 89.4 MB in the end (delta: -20.8 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,979 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,980 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 512.57 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 68.7 MB in the beginning and 91.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,981 INFO  L168              Benchmark]: Boogie Procedure Inliner took 98.83 ms. Allocated memory is still 117.4 MB. Free memory was 91.0 MB in the beginning and 88.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,982 INFO  L168              Benchmark]: Boogie Preprocessor took 82.81 ms. Allocated memory is still 117.4 MB. Free memory was 88.4 MB in the beginning and 86.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,983 INFO  L168              Benchmark]: RCFGBuilder took 1808.93 ms. Allocated memory is still 117.4 MB. Free memory was 86.2 MB in the beginning and 53.6 MB in the end (delta: 32.6 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,984 INFO  L168              Benchmark]: CodeCheck took 23061.49 ms. Allocated memory was 117.4 MB in the beginning and 184.5 MB in the end (delta: 67.1 MB). Free memory was 53.6 MB in the beginning and 90.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,984 INFO  L168              Benchmark]: Witness Printer took 4.43 ms. Allocated memory is still 184.5 MB. Free memory was 90.5 MB in the beginning and 89.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-11-30 00:00:13,989 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 1 procedures, 127 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.8s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 907907908 SDtfs, 739607134 SDslu, 816955780 SDs, 0 SdLazy, 1498582728 SolverSat, 393758710 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7293 GetRequests, 6856 SyntacticMatches, 231 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22344 ImplicationChecksByTransitivity, 18.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 874 NumberOfCodeBlocks, 874 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 63406 SizeOfPredicates, 12 NumberOfNonLiveVariables, 491 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 206/212 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of bitwiseAnd at line 221. 
Possible FailurePath: 
[L630]              int __retres1 ;
[L11]               int s__info_callback  = __VERIFIER_nondet_int();
[L12]               unsigned int s__in_handshake  = __VERIFIER_nondet_uint();
[L13]               int s__state ;
[L14]               int s__new_session ;
[L15]               int s__server ;
[L16]               int s__version  = __VERIFIER_nondet_int();
[L17]               int s__type ;
[L18]               int s__init_num ;
[L19]               int s__bbio  = __VERIFIER_nondet_int();
[L20]               int s__wbio  = __VERIFIER_nondet_int();
[L21]               int s__hit  = __VERIFIER_nondet_int();
[L22]               int s__rwstate ;
[L23]               int s__init_buf___0 ;
[L24]               int s__debug  = __VERIFIER_nondet_int();
[L25]               int s__shutdown ;
[L26]               int s__ctx__info_callback  = __VERIFIER_nondet_int();
[L27]               unsigned int s__ctx__stats__sess_connect_renegotiate ;
[L28]               unsigned int s__ctx__stats__sess_connect ;
[L29]               int s__ctx__stats__sess_hit  = __VERIFIER_nondet_int();
[L30]               int s__ctx__stats__sess_connect_good  = __VERIFIER_nondet_int();
[L31]               int s__s3__change_cipher_spec ;
[L32]               int s__s3__flags ;
[L33]               int s__s3__delay_buf_pop_ret ;
[L34]               int s__s3__tmp__cert_req  = __VERIFIER_nondet_int();
[L35]               int s__s3__tmp__new_compression  = __VERIFIER_nondet_int();
[L36]               int s__s3__tmp__reuse_message  = __VERIFIER_nondet_int();
[L37]               int s__s3__tmp__new_cipher  = __VERIFIER_nondet_int();
[L38]               int s__s3__tmp__new_cipher__algorithms  = __VERIFIER_nondet_int();
[L39]               int s__s3__tmp__next_state___0 ;
[L40]               int s__s3__tmp__new_compression__id  = __VERIFIER_nondet_int();
[L41]               int s__session__cipher ;
[L42]               int s__session__compress_meth ;
[L43]               int buf ;
[L44]               unsigned long tmp ;
[L45]               unsigned long l ;
[L46]               int num1 ;
[L47]               int cb ;
[L48]               int ret ;
[L49]               int new_state ;
[L50]               int state ;
[L51]               int skip ;
[L52]               int tmp___0 ;
[L53]               int tmp___1 ;
[L54]               int tmp___2 ;
[L55]               int tmp___3 ;
[L56]               int tmp___4 ;
[L57]               int tmp___5 ;
[L58]               int tmp___6  = __VERIFIER_nondet_int();
[L59]               int tmp___7  = __VERIFIER_nondet_int();
[L60]               int tmp___8  = __VERIFIER_nondet_int();
[L61]               int tmp___9  = __VERIFIER_nondet_int();
[L62]               int blastFlag ;
[L63]               int ag_X ;
[L64]               int ag_Y ;
[L65]               int ag_Z  = __VERIFIER_nondet_int();
[L66]               unsigned int ag_V ;
[L67]               unsigned int ag_W ;
[L68]               int __retres62 ;
[L71]               ag_V = 2U
[L72]               ag_W = 5U
[L73]               s__state = 12292
[L74]               blastFlag = 0
[L75]               tmp = __VERIFIER_nondet_int()
[L76]               cb = 0
[L77]               ret = -1
[L78]               skip = 0
[L79]               tmp___0 = 0
[L80]   COND FALSE  !(s__info_callback != 0)
[L83]   COND FALSE  !(s__ctx__info_callback != 0)
[L89]               s__in_handshake = s__in_handshake + 1
[L90]               tmp___1 = __VERIFIER_nondet_int()
[L91]   COND TRUE   tmp___1 & 12288
[L92]               tmp___2 = __VERIFIER_nondet_int()
[L93]   COND FALSE  !(tmp___2 & 16384)
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND TRUE   s__state == 12292
[L208]              s__new_session = 1
[L209]              s__state = 4096
[L210]              s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1
[L215]              s__server = 0
[L216]  COND FALSE  !(cb != 0)
[L221]  COND FALSE  !((s__version & 65280) != 768)
[L227]              s__type = 4096
[L228]  COND FALSE  !(s__init_buf___0 == 0)
[L247]              tmp___4 = __VERIFIER_nondet_int()
[L248]  COND FALSE  !(! tmp___4)
[L254]              tmp___5 = __VERIFIER_nondet_int()
[L255]  COND FALSE  !(! tmp___5)
[L261]              s__state = 4368
[L262]              s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1
[L263]              s__init_num = 0
[L579]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L608]              skip = 0
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND FALSE  !(s__state == 12292)
[L108]  COND FALSE  !(s__state == 16384)
[L111]  COND FALSE  !(s__state == 4096)
[L114]  COND FALSE  !(s__state == 20480)
[L117]  COND FALSE  !(s__state == 4099)
[L120]  COND TRUE   s__state == 4368
[L267]              s__shutdown = 0
[L268]              ret = __VERIFIER_nondet_int()
[L269]  COND TRUE   blastFlag == 0
[L270]              blastFlag = 1
[L274]  COND FALSE  !(ret <= 0)
[L279]              s__state = 4384
[L280]              s__init_num = 0
[L281]  COND TRUE   s__bbio != s__wbio
[L579]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L608]              skip = 0
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND FALSE  !(s__state == 12292)
[L108]  COND FALSE  !(s__state == 16384)
[L111]  COND FALSE  !(s__state == 4096)
[L114]  COND FALSE  !(s__state == 20480)
[L117]  COND FALSE  !(s__state == 4099)
[L120]  COND FALSE  !(s__state == 4368)
[L123]  COND FALSE  !(s__state == 4369)
[L126]  COND TRUE   s__state == 4384
[L289]              ret = __VERIFIER_nondet_int()
[L290]  COND TRUE   blastFlag == 1
[L291]              blastFlag = 2
[L295]  COND FALSE  !(ret <= 0)
[L300]  COND FALSE  !(\read(s__hit))
[L303]              s__state = 4400
[L305]              s__init_num = 0
[L579]  COND FALSE  !(! s__s3__tmp__reuse_message)
[L608]              skip = 0
[L102]  COND TRUE   1
[L104]              state = s__state
[L105]  COND FALSE  !(s__state == 12292)
[L108]  COND FALSE  !(s__state == 16384)
[L111]  COND FALSE  !(s__state == 4096)
[L114]  COND FALSE  !(s__state == 20480)
[L117]  COND FALSE  !(s__state == 4099)
[L120]  COND FALSE  !(s__state == 4368)
[L123]  COND FALSE  !(s__state == 4369)
[L126]  COND FALSE  !(s__state == 4384)
[L129]  COND FALSE  !(s__state == 4385)
[L132]  COND TRUE   s__state == 4400
[L309]              s__s3__tmp__new_cipher__algorithms - 256

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 512.57 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 68.7 MB in the beginning and 91.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 98.83 ms. Allocated memory is still 117.4 MB. Free memory was 91.0 MB in the beginning and 88.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 82.81 ms. Allocated memory is still 117.4 MB. Free memory was 88.4 MB in the beginning and 86.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1808.93 ms. Allocated memory is still 117.4 MB. Free memory was 86.2 MB in the beginning and 53.6 MB in the end (delta: 32.6 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB.
 * CodeCheck took 23061.49 ms. Allocated memory was 117.4 MB in the beginning and 184.5 MB in the end (delta: 67.1 MB). Free memory was 53.6 MB in the beginning and 90.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB.
 * Witness Printer took 4.43 ms. Allocated memory is still 184.5 MB. Free memory was 90.5 MB in the beginning and 89.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...