./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 69874e26
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/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_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/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_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/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 0.2.0-69874e2
[2020-12-01 17:27:31,170 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-12-01 17:27:31,195 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-01 17:27:31,241 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-01 17:27:31,243 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-01 17:27:31,249 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-01 17:27:31,253 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-01 17:27:31,259 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-12-01 17:27:31,262 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-12-01 17:27:31,270 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-12-01 17:27:31,272 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-12-01 17:27:31,274 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-12-01 17:27:31,275 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-12-01 17:27:31,278 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-01 17:27:31,280 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-12-01 17:27:31,283 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-12-01 17:27:31,284 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-01 17:27:31,286 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-01 17:27:31,293 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-01 17:27:31,300 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-01 17:27:31,303 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-01 17:27:31,304 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-01 17:27:31,307 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-12-01 17:27:31,308 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-01 17:27:31,313 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-12-01 17:27:31,314 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-12-01 17:27:31,314 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-01 17:27:31,316 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-12-01 17:27:31,317 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-12-01 17:27:31,319 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-12-01 17:27:31,319 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-12-01 17:27:31,320 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-12-01 17:27:31,323 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-12-01 17:27:31,324 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-12-01 17:27:31,326 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-12-01 17:27:31,326 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-12-01 17:27:31,327 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-12-01 17:27:31,328 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-12-01 17:27:31,328 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-12-01 17:27:31,329 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-12-01 17:27:31,330 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-12-01 17:27:31,333 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf
[2020-12-01 17:27:31,378 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-12-01 17:27:31,378 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-01 17:27:31,380 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2020-12-01 17:27:31,380 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2020-12-01 17:27:31,381 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-01 17:27:31,382 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-12-01 17:27:31,382 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-01 17:27:31,382 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-12-01 17:27:31,383 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2020-12-01 17:27:31,383 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-12-01 17:27:31,384 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-12-01 17:27:31,384 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-12-01 17:27:31,384 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-12-01 17:27:31,385 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-01 17:27:31,385 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-12-01 17:27:31,385 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2020-12-01 17:27:31,385 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-12-01 17:27:31,386 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-12-01 17:27:31,386 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-12-01 17:27:31,386 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-12-01 17:27:31,386 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2020-12-01 17:27:31,387 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2020-12-01 17:27:31,387 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-01 17:27:31,387 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-12-01 17:27:31,387 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2020-12-01 17:27:31,388 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-01 17:27:31,388 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-12-01 17:27:31,388 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-01 17:27:31,388 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2020-12-01 17:27:31,389 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-12-01 17:27:31,389 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-01 17:27:31,389 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_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/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_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/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
[2020-12-01 17:27:31,649 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-01 17:27:31,678 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-01 17:27:31,682 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-01 17:27:31,683 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-12-01 17:27:31,687 INFO  L275        PluginConnector]: CDTParser initialized
[2020-12-01 17:27:31,688 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c
[2020-12-01 17:27:31,750 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/data/14817c994/a70d43f7fecb4d2da6fc4113fe764dd7/FLAG3190bd483
[2020-12-01 17:27:32,281 INFO  L306              CDTParser]: Found 1 translation units.
[2020-12-01 17:27:32,282 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c
[2020-12-01 17:27:32,294 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/data/14817c994/a70d43f7fecb4d2da6fc4113fe764dd7/FLAG3190bd483
[2020-12-01 17:27:32,612 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/bin/ukojak/data/14817c994/a70d43f7fecb4d2da6fc4113fe764dd7
[2020-12-01 17:27:32,614 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-01 17:27:32,615 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2020-12-01 17:27:32,617 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-01 17:27:32,617 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-01 17:27:32,621 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-01 17:27:32,621 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:32" (1/1) ...
[2020-12-01 17:27:32,624 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722830c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:32, skipping insertion in model container
[2020-12-01 17:27:32,624 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:32" (1/1) ...
[2020-12-01 17:27:32,631 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-12-01 17:27:32,668 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-12-01 17:27:32,919 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 17:27:32,928 INFO  L203         MainTranslator]: Completed pre-run
[2020-12-01 17:27:32,994 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 17:27:33,011 INFO  L208         MainTranslator]: Completed translation
[2020-12-01 17:27:33,012 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33 WrapperNode
[2020-12-01 17:27:33,012 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-01 17:27:33,013 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-01 17:27:33,013 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-01 17:27:33,014 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-01 17:27:33,028 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,055 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,126 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-01 17:27:33,127 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-01 17:27:33,127 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-01 17:27:33,127 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-12-01 17:27:33,138 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,138 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,158 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,159 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,173 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,181 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,185 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
[2020-12-01 17:27:33,190 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-01 17:27:33,191 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-01 17:27:33,191 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-12-01 17:27:33,191 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-12-01 17:27:33,207 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:33" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5d656ed-13b9-4505-8bb1-d6ea7ec9c8a6/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
[2020-12-01 17:27:33,299 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-12-01 17:27:33,300 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-01 17:27:33,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-01 17:27:33,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-01 17:27:33,511 WARN  L798   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2020-12-01 17:27:34,133 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2020-12-01 17:27:34,133 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2020-12-01 17:27:34,548 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-01 17:27:34,548 INFO  L298             CfgBuilder]: Removed 9 assume(true) statements.
[2020-12-01 17:27:34,551 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:34 BoogieIcfgContainer
[2020-12-01 17:27:34,551 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-01 17:27:34,552 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2020-12-01 17:27:34,552 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2020-12-01 17:27:34,563 INFO  L275        PluginConnector]: CodeCheck initialized
[2020-12-01 17:27:34,563 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:34" (1/1) ...
[2020-12-01 17:27:34,573 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-12-01 17:27:34,606 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:34,614 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 127 states and 193 transitions.
[2020-12-01 17:27:34,615 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions.
[2020-12-01 17:27:34,617 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-12-01 17:27:34,618 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:34,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:34,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:34,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:34,853 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions.
[2020-12-01 17:27:34,853 INFO  L276                IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions.
[2020-12-01 17:27:34,854 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2020-12-01 17:27:34,855 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:34,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:34,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:35,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:35,163 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions.
[2020-12-01 17:27:35,164 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions.
[2020-12-01 17:27:35,166 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-12-01 17:27:35,167 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:35,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:35,283 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:35,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:35,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions.
[2020-12-01 17:27:35,465 INFO  L276                IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions.
[2020-12-01 17:27:35,468 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-12-01 17:27:35,468 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:35,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:35,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:36,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:36,098 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 171 states and 289 transitions.
[2020-12-01 17:27:36,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions.
[2020-12-01 17:27:36,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-12-01 17:27:36,106 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:36,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:36,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:36,195 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:36,196 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 292 transitions.
[2020-12-01 17:27:36,196 INFO  L276                IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions.
[2020-12-01 17:27:36,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-12-01 17:27:36,198 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:36,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:36,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:36,791 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:36,792 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 188 states and 312 transitions.
[2020-12-01 17:27:36,792 INFO  L276                IsEmpty]: Start isEmpty. Operand 188 states and 312 transitions.
[2020-12-01 17:27:36,802 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-12-01 17:27:36,802 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:36,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:36,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:36,927 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:36,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions.
[2020-12-01 17:27:36,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions.
[2020-12-01 17:27:36,929 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-12-01 17:27:36,929 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:36,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:36,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:36,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:36,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions.
[2020-12-01 17:27:36,980 INFO  L276                IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions.
[2020-12-01 17:27:36,980 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-12-01 17:27:36,980 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:36,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:37,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:37,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:37,032 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions.
[2020-12-01 17:27:37,032 INFO  L276                IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions.
[2020-12-01 17:27:37,033 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-12-01 17:27:37,033 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:37,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:37,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:37,113 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:37,113 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions.
[2020-12-01 17:27:37,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions.
[2020-12-01 17:27:37,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-12-01 17:27:37,115 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:37,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:37,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:37,220 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:37,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 194 states and 319 transitions.
[2020-12-01 17:27:37,222 INFO  L276                IsEmpty]: Start isEmpty. Operand 194 states and 319 transitions.
[2020-12-01 17:27:37,223 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2020-12-01 17:27:37,223 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:37,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:37,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:37,684 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:37,686 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions.
[2020-12-01 17:27:37,686 INFO  L276                IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions.
[2020-12-01 17:27:37,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-12-01 17:27:37,688 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:37,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:37,725 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:38,000 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:38,001 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 215 states and 351 transitions.
[2020-12-01 17:27:38,001 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 351 transitions.
[2020-12-01 17:27:38,002 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-12-01 17:27:38,002 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:38,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:38,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:38,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:38,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions.
[2020-12-01 17:27:38,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions.
[2020-12-01 17:27:38,390 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-12-01 17:27:38,390 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:38,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:38,447 INFO  L263         TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-12-01 17:27:38,453 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-12-01 17:27:38,762 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term
[2020-12-01 17:27:38,762 INFO  L639       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-12-01 17:27:38,765 INFO  L639       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-12-01 17:27:38,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:39,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:39,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 241 states and 408 transitions.
[2020-12-01 17:27:39,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 241 states and 408 transitions.
[2020-12-01 17:27:39,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-12-01 17:27:39,901 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:39,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:39,955 INFO  L263         TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-12-01 17:27:39,959 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-12-01 17:27:40,008 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term
[2020-12-01 17:27:40,017 INFO  L639       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-12-01 17:27:40,022 INFO  L639       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-12-01 17:27:40,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:40,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:40,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 242 states and 409 transitions.
[2020-12-01 17:27:40,108 INFO  L276                IsEmpty]: Start isEmpty. Operand 242 states and 409 transitions.
[2020-12-01 17:27:40,111 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-12-01 17:27:40,111 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:40,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:40,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:40,637 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:40,638 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 245 states and 419 transitions.
[2020-12-01 17:27:40,638 INFO  L276                IsEmpty]: Start isEmpty. Operand 245 states and 419 transitions.
[2020-12-01 17:27:40,639 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-12-01 17:27:40,639 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:40,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:40,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:40,873 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:40,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 245 states and 418 transitions.
[2020-12-01 17:27:40,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 245 states and 418 transitions.
[2020-12-01 17:27:40,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-12-01 17:27:40,875 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:40,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:40,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-12-01 17:27:41,694 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:41,695 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 256 states and 435 transitions.
[2020-12-01 17:27:41,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 256 states and 435 transitions.
[2020-12-01 17:27:41,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-12-01 17:27:41,696 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:41,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:41,719 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:41,742 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:41,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 256 states and 434 transitions.
[2020-12-01 17:27:41,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 256 states and 434 transitions.
[2020-12-01 17:27:41,744 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-12-01 17:27:41,744 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:41,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:41,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:42,870 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:42,871 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 271 states and 454 transitions.
[2020-12-01 17:27:42,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 271 states and 454 transitions.
[2020-12-01 17:27:42,872 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-12-01 17:27:42,872 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:42,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:42,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:42,927 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:42,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 272 states and 455 transitions.
[2020-12-01 17:27:42,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 272 states and 455 transitions.
[2020-12-01 17:27:42,929 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-12-01 17:27:42,929 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:42,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:43,019 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:44,538 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:44,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 286 states and 481 transitions.
[2020-12-01 17:27:44,540 INFO  L276                IsEmpty]: Start isEmpty. Operand 286 states and 481 transitions.
[2020-12-01 17:27:44,541 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-12-01 17:27:44,541 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:44,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:44,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-12-01 17:27:44,604 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:44,605 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 287 states and 482 transitions.
[2020-12-01 17:27:44,605 INFO  L276                IsEmpty]: Start isEmpty. Operand 287 states and 482 transitions.
[2020-12-01 17:27:44,606 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-12-01 17:27:44,607 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:44,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:44,638 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:44,735 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:44,737 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 298 states and 493 transitions.
[2020-12-01 17:27:44,737 INFO  L276                IsEmpty]: Start isEmpty. Operand 298 states and 493 transitions.
[2020-12-01 17:27:44,738 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-01 17:27:44,738 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:44,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:44,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-12-01 17:27:45,512 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:45,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 312 states and 526 transitions.
[2020-12-01 17:27:45,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 312 states and 526 transitions.
[2020-12-01 17:27:45,515 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-01 17:27:45,515 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:45,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 17:27:45,546 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 17:27:45,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2020-12-01 17:27:45,584 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 313 states and 527 transitions.
[2020-12-01 17:27:45,584 INFO  L276                IsEmpty]: Start isEmpty. Operand 313 states and 527 transitions.
[2020-12-01 17:27:45,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-12-01 17:27:45,585 INFO  L428      CodeCheckObserver]: Error Path is FOUND.
[2020-12-01 17:27:45,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 17:27:45,621 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 17:27:45,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 17:27:45,645 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 17:27:45,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 17:27:45,728 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 17:27:45,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 17:27:45,758 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 17:27:46,894 WARN  L483      CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations.
[2020-12-01 17:27:46,979 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:27:46 ImpRootNode
[2020-12-01 17:27:46,980 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2020-12-01 17:27:46,980 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-12-01 17:27:46,980 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-12-01 17:27:46,981 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-12-01 17:27:46,981 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:34" (3/4) ...
[2020-12-01 17:27:46,985 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2020-12-01 17:27:46,985 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-12-01 17:27:46,988 INFO  L168              Benchmark]: Toolchain (without parser) took 14371.37 ms. Allocated memory was 107.0 MB in the beginning and 268.4 MB in the end (delta: 161.5 MB). Free memory was 77.3 MB in the beginning and 173.9 MB in the end (delta: -96.7 MB). Peak memory consumption was 66.3 MB. Max. memory is 16.1 GB.
[2020-12-01 17:27:46,989 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 107.0 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2020-12-01 17:27:46,990 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 395.49 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 78.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2020-12-01 17:27:46,990 INFO  L168              Benchmark]: Boogie Procedure Inliner took 113.17 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 76.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-12-01 17:27:46,991 INFO  L168              Benchmark]: Boogie Preprocessor took 63.12 ms. Allocated memory is still 107.0 MB. Free memory was 76.2 MB in the beginning and 74.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-12-01 17:27:46,995 INFO  L168              Benchmark]: RCFGBuilder took 1359.94 ms. Allocated memory was 107.0 MB in the beginning and 153.1 MB in the end (delta: 46.1 MB). Free memory was 74.1 MB in the beginning and 102.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB.
[2020-12-01 17:27:46,996 INFO  L168              Benchmark]: CodeCheck took 12427.99 ms. Allocated memory was 153.1 MB in the beginning and 268.4 MB in the end (delta: 115.3 MB). Free memory was 102.0 MB in the beginning and 173.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB.
[2020-12-01 17:27:46,998 INFO  L168              Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 268.4 MB. Free memory is still 173.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2020-12-01 17:27:47,003 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: 12.3s, OverallIterations: 28, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -663432024 SDtfs, -1336461268 SDslu, -1027161396 SDs, 0 SdLazy, 1699659274 SolverSat, 1575069766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8091 GetRequests, 7571 SyntacticMatches, 324 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19287 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 966 NumberOfCodeBlocks, 966 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 891 ConstructedInterpolants, 0 QuantifiedInterpolants, 70465 SizeOfPredicates, 8 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 27 InterpolantComputations, 25 PerfectInterpolantSequences, 229/233 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 TRUE   s__ctx__info_callback != 0
[L84]               cb = s__ctx__info_callback
[L89]               s__in_handshake = s__in_handshake + 1
[L90]               tmp___1 = __VERIFIER_nondet_int()
[L91]   COND FALSE  !(tmp___1 & 12288)
[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 TRUE   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 0.32 ms. Allocated memory is still 107.0 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 395.49 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 78.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 113.17 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 76.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 63.12 ms. Allocated memory is still 107.0 MB. Free memory was 76.2 MB in the beginning and 74.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1359.94 ms. Allocated memory was 107.0 MB in the beginning and 153.1 MB in the end (delta: 46.1 MB). Free memory was 74.1 MB in the beginning and 102.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB.
 * CodeCheck took 12427.99 ms. Allocated memory was 153.1 MB in the beginning and 268.4 MB in the end (delta: 115.3 MB). Free memory was 102.0 MB in the beginning and 173.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB.
 * Witness Printer took 4.87 ms. Allocated memory is still 268.4 MB. Free memory is still 173.9 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...