./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version a4ecdabc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f33fbcbeea92375203458d523a51a600f74086f3
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-a4ecdab
[2020-11-28 03:02:16,194 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-11-28 03:02:16,197 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-28 03:02:16,288 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-28 03:02:16,290 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-28 03:02:16,295 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-28 03:02:16,299 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-28 03:02:16,305 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-28 03:02:16,309 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-28 03:02:16,310 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-28 03:02:16,312 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-11-28 03:02:16,313 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-28 03:02:16,314 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-28 03:02:16,315 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-28 03:02:16,317 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-28 03:02:16,318 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-28 03:02:16,319 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-28 03:02:16,320 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-28 03:02:16,323 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-28 03:02:16,325 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-28 03:02:16,328 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-28 03:02:16,331 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-28 03:02:16,333 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-11-28 03:02:16,335 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-28 03:02:16,340 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-28 03:02:16,351 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-28 03:02:16,352 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-28 03:02:16,354 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-28 03:02:16,354 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-28 03:02:16,356 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-28 03:02:16,358 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-28 03:02:16,359 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-28 03:02:16,361 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-28 03:02:16,362 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-28 03:02:16,364 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-28 03:02:16,364 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-28 03:02:16,366 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-28 03:02:16,366 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-28 03:02:16,366 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-28 03:02:16,367 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-28 03:02:16,368 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-11-28 03:02:16,371 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2020-11-28 03:02:16,418 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-11-28 03:02:16,418 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-28 03:02:16,420 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-28 03:02:16,421 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-11-28 03:02:16,421 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-11-28 03:02:16,421 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-28 03:02:16,421 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-11-28 03:02:16,422 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-11-28 03:02:16,422 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-11-28 03:02:16,422 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-11-28 03:02:16,423 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-11-28 03:02:16,424 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-28 03:02:16,424 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-11-28 03:02:16,424 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-11-28 03:02:16,425 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-11-28 03:02:16,425 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-11-28 03:02:16,425 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-11-28 03:02:16,425 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-28 03:02:16,426 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-11-28 03:02:16,426 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-11-28 03:02:16,426 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-11-28 03:02:16,426 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-28 03:02:16,427 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-28 03:02:16,427 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-11-28 03:02:16,427 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-28 03:02:16,428 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-11-28 03:02:16,428 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-28 03:02:16,428 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-28 03:02:16,428 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-11-28 03:02:16,429 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_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/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_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f33fbcbeea92375203458d523a51a600f74086f3
[2020-11-28 03:02:16,777 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-28 03:02:16,817 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-28 03:02:16,822 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-28 03:02:16,824 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-11-28 03:02:16,825 INFO  L275        PluginConnector]: CDTParser initialized
[2020-11-28 03:02:16,827 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c
[2020-11-28 03:02:16,917 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/ed3e4584f/c9d5d32c1bb940998019c33b9892245b/FLAGb14f69426
[2020-11-28 03:02:17,618 INFO  L306              CDTParser]: Found 1 translation units.
[2020-11-28 03:02:17,629 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/sv-benchmarks/c/eca-rers2012/Problem14_label16.c
[2020-11-28 03:02:17,654 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/ed3e4584f/c9d5d32c1bb940998019c33b9892245b/FLAGb14f69426
[2020-11-28 03:02:17,796 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/ed3e4584f/c9d5d32c1bb940998019c33b9892245b
[2020-11-28 03:02:17,799 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-28 03:02:17,801 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2020-11-28 03:02:17,803 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-28 03:02:17,803 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-28 03:02:17,807 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-28 03:02:17,808 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:17" (1/1) ...
[2020-11-28 03:02:17,811 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbbd4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:17, skipping insertion in model container
[2020-11-28 03:02:17,811 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:17" (1/1) ...
[2020-11-28 03:02:17,820 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-11-28 03:02:17,874 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-11-28 03:02:18,358 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-28 03:02:18,373 INFO  L203         MainTranslator]: Completed pre-run
[2020-11-28 03:02:18,543 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-28 03:02:18,559 INFO  L208         MainTranslator]: Completed translation
[2020-11-28 03:02:18,560 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18 WrapperNode
[2020-11-28 03:02:18,560 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-28 03:02:18,561 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-11-28 03:02:18,562 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-11-28 03:02:18,562 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-11-28 03:02:18,582 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,625 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,731 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-11-28 03:02:18,733 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-28 03:02:18,733 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-28 03:02:18,734 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-11-28 03:02:18,743 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,744 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,758 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,758 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,802 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,822 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,833 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
[2020-11-28 03:02:18,885 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-28 03:02:18,886 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-28 03:02:18,887 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-11-28 03:02:18,887 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-11-28 03:02:18,902 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-28 03:02:19,041 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-28 03:02:19,041 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-28 03:02:19,041 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-28 03:02:19,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-28 03:02:20,818 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-28 03:02:20,819 INFO  L298             CfgBuilder]: Removed 9 assume(true) statements.
[2020-11-28 03:02:20,821 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:20 BoogieIcfgContainer
[2020-11-28 03:02:20,822 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-28 03:02:20,824 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-28 03:02:20,824 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-11-28 03:02:20,828 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-11-28 03:02:20,828 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:17" (1/3) ...
[2020-11-28 03:02:20,829 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18768a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:20, skipping insertion in model container
[2020-11-28 03:02:20,829 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (2/3) ...
[2020-11-28 03:02:20,830 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18768a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:20, skipping insertion in model container
[2020-11-28 03:02:20,830 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:20" (3/3) ...
[2020-11-28 03:02:20,831 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem14_label16.c
[2020-11-28 03:02:20,844 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-28 03:02:20,849 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-11-28 03:02:20,861 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-11-28 03:02:20,901 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-11-28 03:02:20,901 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-11-28 03:02:20,901 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-28 03:02:20,901 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-28 03:02:20,902 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-28 03:02:20,902 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-11-28 03:02:20,902 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-28 03:02:20,902 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-28 03:02:20,920 INFO  L276                IsEmpty]: Start isEmpty. Operand 246 states.
[2020-11-28 03:02:20,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-11-28 03:02:20,928 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:20,928 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:20,929 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:20,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:20,934 INFO  L82        PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times
[2020-11-28 03:02:20,943 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:20,944 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410619162]
[2020-11-28 03:02:20,944 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:21,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:21,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:02:21,260 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410619162]
[2020-11-28 03:02:21,260 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:02:21,261 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-11-28 03:02:21,261 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912627492]
[2020-11-28 03:02:21,267 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:02:21,267 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:21,284 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:02:21,285 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:02:21,287 INFO  L87              Difference]: Start difference. First operand 246 states. Second operand 3 states.
[2020-11-28 03:02:23,168 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:23,169 INFO  L93              Difference]: Finished difference Result 686 states and 1217 transitions.
[2020-11-28 03:02:23,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-28 03:02:23,170 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-11-28 03:02:23,171 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:23,186 INFO  L225             Difference]: With dead ends: 686
[2020-11-28 03:02:23,187 INFO  L226             Difference]: Without dead ends: 360
[2020-11-28 03:02:23,192 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:02:23,211 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2020-11-28 03:02:23,296 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360.
[2020-11-28 03:02:23,297 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 360 states.
[2020-11-28 03:02:23,299 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions.
[2020-11-28 03:02:23,304 INFO  L78                 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 46
[2020-11-28 03:02:23,304 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:23,304 INFO  L481      AbstractCegarLoop]: Abstraction has 360 states and 510 transitions.
[2020-11-28 03:02:23,304 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:02:23,305 INFO  L276                IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions.
[2020-11-28 03:02:23,324 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2020-11-28 03:02:23,324 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:23,325 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:23,325 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-28 03:02:23,325 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:23,327 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:23,328 INFO  L82        PathProgramCache]: Analyzing trace with hash -1332472033, now seen corresponding path program 1 times
[2020-11-28 03:02:23,328 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:23,329 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005257878]
[2020-11-28 03:02:23,330 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:23,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:23,712 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:02:23,712 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005257878]
[2020-11-28 03:02:23,713 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:02:23,713 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-28 03:02:23,714 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582032036]
[2020-11-28 03:02:23,716 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-28 03:02:23,716 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:23,717 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-28 03:02:23,719 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-28 03:02:23,719 INFO  L87              Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states.
[2020-11-28 03:02:25,485 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:25,485 INFO  L93              Difference]: Finished difference Result 1074 states and 1446 transitions.
[2020-11-28 03:02:25,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-11-28 03:02:25,486 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 125
[2020-11-28 03:02:25,487 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:25,493 INFO  L225             Difference]: With dead ends: 1074
[2020-11-28 03:02:25,493 INFO  L226             Difference]: Without dead ends: 716
[2020-11-28 03:02:25,496 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:02:25,506 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 716 states.
[2020-11-28 03:02:25,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716.
[2020-11-28 03:02:25,557 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 716 states.
[2020-11-28 03:02:25,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions.
[2020-11-28 03:02:25,561 INFO  L78                 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 125
[2020-11-28 03:02:25,564 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:25,564 INFO  L481      AbstractCegarLoop]: Abstraction has 716 states and 902 transitions.
[2020-11-28 03:02:25,564 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-28 03:02:25,565 INFO  L276                IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions.
[2020-11-28 03:02:25,570 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2020-11-28 03:02:25,570 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:25,570 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:25,571 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-28 03:02:25,571 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:25,571 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:25,572 INFO  L82        PathProgramCache]: Analyzing trace with hash 31802846, now seen corresponding path program 1 times
[2020-11-28 03:02:25,572 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:25,572 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569570038]
[2020-11-28 03:02:25,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:25,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:25,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:02:25,879 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569570038]
[2020-11-28 03:02:25,880 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281551036]
[2020-11-28 03:02:25,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:26,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:26,018 INFO  L263         TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:02:26,028 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:02:26,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:02:26,156 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:02:26,157 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2020-11-28 03:02:26,157 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320053233]
[2020-11-28 03:02:26,158 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:02:26,158 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:26,159 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:02:26,159 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:02:26,159 INFO  L87              Difference]: Start difference. First operand 716 states and 902 transitions. Second operand 3 states.
[2020-11-28 03:02:27,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:27,645 INFO  L93              Difference]: Finished difference Result 1964 states and 2499 transitions.
[2020-11-28 03:02:27,646 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-28 03:02:27,646 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 151
[2020-11-28 03:02:27,647 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:27,656 INFO  L225             Difference]: With dead ends: 1964
[2020-11-28 03:02:27,664 INFO  L226             Difference]: Without dead ends: 1250
[2020-11-28 03:02:27,666 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:02:27,669 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1250 states.
[2020-11-28 03:02:27,706 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250.
[2020-11-28 03:02:27,707 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1250 states.
[2020-11-28 03:02:27,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions.
[2020-11-28 03:02:27,713 INFO  L78                 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 151
[2020-11-28 03:02:27,716 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:27,716 INFO  L481      AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions.
[2020-11-28 03:02:27,716 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:02:27,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions.
[2020-11-28 03:02:27,720 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2020-11-28 03:02:27,721 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:27,722 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:27,937 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2020-11-28 03:02:27,938 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:27,938 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:27,938 INFO  L82        PathProgramCache]: Analyzing trace with hash 289729523, now seen corresponding path program 1 times
[2020-11-28 03:02:27,938 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:27,939 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22677638]
[2020-11-28 03:02:27,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:27,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:28,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 165 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2020-11-28 03:02:28,245 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22677638]
[2020-11-28 03:02:28,245 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:02:28,245 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-28 03:02:28,245 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212181090]
[2020-11-28 03:02:28,248 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-28 03:02:28,248 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:28,250 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-28 03:02:28,250 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-11-28 03:02:28,251 INFO  L87              Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand 4 states.
[2020-11-28 03:02:29,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:29,691 INFO  L93              Difference]: Finished difference Result 2705 states and 3353 transitions.
[2020-11-28 03:02:29,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-11-28 03:02:29,692 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 205
[2020-11-28 03:02:29,693 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:29,707 INFO  L225             Difference]: With dead ends: 2705
[2020-11-28 03:02:29,708 INFO  L226             Difference]: Without dead ends: 1606
[2020-11-28 03:02:29,710 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-11-28 03:02:29,712 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1606 states.
[2020-11-28 03:02:29,749 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606.
[2020-11-28 03:02:29,750 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1606 states.
[2020-11-28 03:02:29,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions.
[2020-11-28 03:02:29,756 INFO  L78                 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 205
[2020-11-28 03:02:29,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:29,758 INFO  L481      AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions.
[2020-11-28 03:02:29,758 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-28 03:02:29,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions.
[2020-11-28 03:02:29,764 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 333
[2020-11-28 03:02:29,764 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:29,765 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:29,765 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-28 03:02:29,766 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:29,767 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:29,767 INFO  L82        PathProgramCache]: Analyzing trace with hash 282915776, now seen corresponding path program 1 times
[2020-11-28 03:02:29,767 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:29,768 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278627630]
[2020-11-28 03:02:29,768 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:29,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:30,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 384 backedges. 179 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2020-11-28 03:02:30,385 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278627630]
[2020-11-28 03:02:30,386 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724594888]
[2020-11-28 03:02:30,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:30,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:30,526 INFO  L263         TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:02:30,548 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:02:30,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 384 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked.
[2020-11-28 03:02:30,772 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:02:30,772 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2020-11-28 03:02:30,772 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753206552]
[2020-11-28 03:02:30,773 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:02:30,774 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:30,775 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:02:30,775 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-11-28 03:02:30,775 INFO  L87              Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand 3 states.
[2020-11-28 03:02:31,990 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:31,992 INFO  L93              Difference]: Finished difference Result 3388 states and 3901 transitions.
[2020-11-28 03:02:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-28 03:02:31,993 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 332
[2020-11-28 03:02:31,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:32,005 INFO  L225             Difference]: With dead ends: 3388
[2020-11-28 03:02:32,006 INFO  L226             Difference]: Without dead ends: 1962
[2020-11-28 03:02:32,008 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-11-28 03:02:32,011 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1962 states.
[2020-11-28 03:02:32,049 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784.
[2020-11-28 03:02:32,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1784 states.
[2020-11-28 03:02:32,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions.
[2020-11-28 03:02:32,056 INFO  L78                 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 332
[2020-11-28 03:02:32,057 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:32,057 INFO  L481      AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions.
[2020-11-28 03:02:32,057 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:02:32,058 INFO  L276                IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions.
[2020-11-28 03:02:32,063 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 337
[2020-11-28 03:02:32,064 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:32,064 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:32,277 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:32,278 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:32,278 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:32,278 INFO  L82        PathProgramCache]: Analyzing trace with hash -649782730, now seen corresponding path program 1 times
[2020-11-28 03:02:32,278 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:32,278 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245132017]
[2020-11-28 03:02:32,279 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:32,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:32,866 INFO  L134       CoverageAnalysis]: Checked inductivity of 392 backedges. 262 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:02:32,867 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245132017]
[2020-11-28 03:02:32,867 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422089121]
[2020-11-28 03:02:32,867 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:33,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:33,009 INFO  L263         TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:02:33,022 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:02:33,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 392 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked.
[2020-11-28 03:02:33,203 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:02:33,203 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2020-11-28 03:02:33,204 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866401887]
[2020-11-28 03:02:33,205 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:02:33,205 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:33,206 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:02:33,207 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-11-28 03:02:33,207 INFO  L87              Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand 3 states.
[2020-11-28 03:02:34,138 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:34,139 INFO  L93              Difference]: Finished difference Result 2320 states and 2616 transitions.
[2020-11-28 03:02:34,139 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-28 03:02:34,140 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 336
[2020-11-28 03:02:34,141 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:34,153 INFO  L225             Difference]: With dead ends: 2320
[2020-11-28 03:02:34,154 INFO  L226             Difference]: Without dead ends: 2318
[2020-11-28 03:02:34,155 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-11-28 03:02:34,158 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2318 states.
[2020-11-28 03:02:34,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1962.
[2020-11-28 03:02:34,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1962 states.
[2020-11-28 03:02:34,205 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2232 transitions.
[2020-11-28 03:02:34,206 INFO  L78                 Accepts]: Start accepts. Automaton has 1962 states and 2232 transitions. Word has length 336
[2020-11-28 03:02:34,206 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:34,207 INFO  L481      AbstractCegarLoop]: Abstraction has 1962 states and 2232 transitions.
[2020-11-28 03:02:34,207 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:02:34,207 INFO  L276                IsEmpty]: Start isEmpty. Operand 1962 states and 2232 transitions.
[2020-11-28 03:02:34,217 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 461
[2020-11-28 03:02:34,218 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:34,218 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:34,433 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:34,433 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:34,434 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:34,434 INFO  L82        PathProgramCache]: Analyzing trace with hash 1039277736, now seen corresponding path program 1 times
[2020-11-28 03:02:34,434 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:34,434 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825238079]
[2020-11-28 03:02:34,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:34,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:35,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 773 backedges. 599 proven. 130 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-11-28 03:02:35,085 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825238079]
[2020-11-28 03:02:35,086 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008623071]
[2020-11-28 03:02:35,086 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:35,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:35,259 INFO  L263         TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:02:35,267 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:02:35,480 INFO  L134       CoverageAnalysis]: Checked inductivity of 773 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked.
[2020-11-28 03:02:35,481 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:02:35,481 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2020-11-28 03:02:35,482 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650298868]
[2020-11-28 03:02:35,483 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:02:35,483 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:35,483 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:02:35,485 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-11-28 03:02:35,485 INFO  L87              Difference]: Start difference. First operand 1962 states and 2232 transitions. Second operand 3 states.
[2020-11-28 03:02:36,459 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:36,459 INFO  L93              Difference]: Finished difference Result 4456 states and 5168 transitions.
[2020-11-28 03:02:36,460 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-28 03:02:36,460 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 460
[2020-11-28 03:02:36,463 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:36,476 INFO  L225             Difference]: With dead ends: 4456
[2020-11-28 03:02:36,477 INFO  L226             Difference]: Without dead ends: 2674
[2020-11-28 03:02:36,480 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-11-28 03:02:36,484 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2674 states.
[2020-11-28 03:02:36,535 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318.
[2020-11-28 03:02:36,535 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2318 states.
[2020-11-28 03:02:36,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2678 transitions.
[2020-11-28 03:02:36,541 INFO  L78                 Accepts]: Start accepts. Automaton has 2318 states and 2678 transitions. Word has length 460
[2020-11-28 03:02:36,542 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:36,542 INFO  L481      AbstractCegarLoop]: Abstraction has 2318 states and 2678 transitions.
[2020-11-28 03:02:36,542 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:02:36,542 INFO  L276                IsEmpty]: Start isEmpty. Operand 2318 states and 2678 transitions.
[2020-11-28 03:02:36,558 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 531
[2020-11-28 03:02:36,558 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:02:36,559 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:02:36,773 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:36,773 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-28 03:02:36,774 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:02:36,774 INFO  L82        PathProgramCache]: Analyzing trace with hash 1583661625, now seen corresponding path program 1 times
[2020-11-28 03:02:36,774 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:02:36,774 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642661180]
[2020-11-28 03:02:36,775 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:02:36,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:37,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 807 backedges. 633 proven. 130 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-11-28 03:02:37,662 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642661180]
[2020-11-28 03:02:37,662 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746506040]
[2020-11-28 03:02:37,662 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:37,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:02:37,859 INFO  L263         TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-11-28 03:02:37,866 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-11-28 03:02:38,104 INFO  L134       CoverageAnalysis]: Checked inductivity of 807 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked.
[2020-11-28 03:02:38,105 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-28 03:02:38,105 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2020-11-28 03:02:38,106 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246997905]
[2020-11-28 03:02:38,107 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:02:38,107 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:02:38,107 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:02:38,108 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-11-28 03:02:38,108 INFO  L87              Difference]: Start difference. First operand 2318 states and 2678 transitions. Second operand 3 states.
[2020-11-28 03:02:38,928 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:02:38,928 INFO  L93              Difference]: Finished difference Result 5344 states and 6268 transitions.
[2020-11-28 03:02:38,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-28 03:02:38,929 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 530
[2020-11-28 03:02:38,930 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:02:38,930 INFO  L225             Difference]: With dead ends: 5344
[2020-11-28 03:02:38,930 INFO  L226             Difference]: Without dead ends: 0
[2020-11-28 03:02:38,935 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-11-28 03:02:38,936 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-11-28 03:02:38,936 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-11-28 03:02:38,936 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-11-28 03:02:38,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-11-28 03:02:38,936 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 530
[2020-11-28 03:02:38,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:02:38,936 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-11-28 03:02:38,937 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:02:38,937 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-11-28 03:02:38,937 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-11-28 03:02:39,153 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-28 03:02:39,155 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-11-28 03:02:39,286 INFO  L274        CegarLoopResult]: For program point  L762(lines 762 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,286 INFO  L274        CegarLoopResult]: For program point  L895(line 895)  no Hoare annotation was computed.
[2020-11-28 03:02:39,286 INFO  L274        CegarLoopResult]: For program point  L829(lines 829 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,286 INFO  L274        CegarLoopResult]: For program point  L631(lines 631 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L565(lines 565 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L169-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L103-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L37-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L698(lines 698 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L500(lines 500 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L170(line 170)  no Hoare annotation was computed.
[2020-11-28 03:02:39,287 INFO  L274        CegarLoopResult]: For program point  L104(line 104)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L38(line 38)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L369(lines 369 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L303(lines 303 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L436(lines 436 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L172-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L106-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L40-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,288 INFO  L274        CegarLoopResult]: For program point  L239(lines 239 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L173(line 173)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L107(line 107)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L41(line 41)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L768(lines 768 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L636(lines 636 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L835(lines 835 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L571(lines 571 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,289 INFO  L274        CegarLoopResult]: For program point  L505(lines 505 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L175-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L109-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L43-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L704(lines 704 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L176(line 176)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L110(line 110)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L44(line 44)  no Hoare annotation was computed.
[2020-11-28 03:02:39,290 INFO  L274        CegarLoopResult]: For program point  L309(lines 309 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L442(lines 442 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L376(lines 376 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L178-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L112-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L46-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L245(lines 245 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L179(line 179)  no Hoare annotation was computed.
[2020-11-28 03:02:39,291 INFO  L274        CegarLoopResult]: For program point  L113(line 113)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L47(line 47)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L774(lines 774 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L642(lines 642 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L510(lines 510 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L841(lines 841 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L181-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L115-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,292 INFO  L274        CegarLoopResult]: For program point  L49-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L710(lines 710 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L578(lines 578 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L182(line 182)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L116(line 116)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L50(line 50)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L315(lines 315 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L448(lines 448 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,293 INFO  L274        CegarLoopResult]: For program point  L382(lines 382 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,294 INFO  L274        CegarLoopResult]: For program point  L184-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,294 INFO  L274        CegarLoopResult]: For program point  L118-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,294 INFO  L274        CegarLoopResult]: For program point  L52-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,294 INFO  L274        CegarLoopResult]: For program point  L251(lines 251 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,294 INFO  L274        CegarLoopResult]: For program point  L185(line 185)  no Hoare annotation was computed.
[2020-11-28 03:02:39,294 INFO  L274        CegarLoopResult]: For program point  L119(line 119)  no Hoare annotation was computed.
[2020-11-28 03:02:39,294 INFO  L274        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L648(lines 648 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L516(lines 516 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L847(lines 847 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L781(lines 781 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L583(lines 583 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L187-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L121-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,295 INFO  L274        CegarLoopResult]: For program point  L55-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  L716(lines 716 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  L188(line 188)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  L122(line 122)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  L56(line 56)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  L321(lines 321 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  L454(lines 454 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  L388(lines 388 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,296 INFO  L274        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-11-28 03:02:39,297 INFO  L274        CegarLoopResult]: For program point  L190-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,297 INFO  L274        CegarLoopResult]: For program point  L124-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,297 INFO  L274        CegarLoopResult]: For program point  L58-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,301 INFO  L274        CegarLoopResult]: For program point  L257(lines 257 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L191(line 191)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L125(line 125)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L59(line 59)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L852(lines 852 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L654(lines 654 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L522(lines 522 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L787(lines 787 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,302 INFO  L274        CegarLoopResult]: For program point  L589(lines 589 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L193-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L127-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L61-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L722(lines 722 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L194(line 194)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L128(line 128)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L62(line 62)  no Hoare annotation was computed.
[2020-11-28 03:02:39,303 INFO  L274        CegarLoopResult]: For program point  L459(lines 459 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,304 INFO  L274        CegarLoopResult]: For program point  L327(lines 327 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,308 INFO  L274        CegarLoopResult]: For program point  L394(lines 394 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,308 INFO  L274        CegarLoopResult]: For program point  L262(lines 262 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,308 INFO  L274        CegarLoopResult]: For program point  L196-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,310 INFO  L274        CegarLoopResult]: For program point  L130-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,310 INFO  L274        CegarLoopResult]: For program point  L64-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,310 INFO  L274        CegarLoopResult]: For program point  L197(line 197)  no Hoare annotation was computed.
[2020-11-28 03:02:39,310 INFO  L274        CegarLoopResult]: For program point  L131(line 131)  no Hoare annotation was computed.
[2020-11-28 03:02:39,310 INFO  L274        CegarLoopResult]: For program point  L65(line 65)  no Hoare annotation was computed.
[2020-11-28 03:02:39,310 INFO  L274        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2020-11-28 03:02:39,311 INFO  L274        CegarLoopResult]: For program point  L858(lines 858 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,311 INFO  L274        CegarLoopResult]: For program point  ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12)  no Hoare annotation was computed.
[2020-11-28 03:02:39,311 INFO  L274        CegarLoopResult]: For program point  L660(lines 660 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,311 INFO  L274        CegarLoopResult]: For program point  L528(lines 528 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,311 INFO  L274        CegarLoopResult]: For program point  L793(lines 793 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L595(lines 595 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L199-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L133-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L67-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L728(lines 728 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L464(lines 464 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L200(line 200)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L134(line 134)  no Hoare annotation was computed.
[2020-11-28 03:02:39,312 INFO  L274        CegarLoopResult]: For program point  L68(line 68)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L333(lines 333 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L400(lines 400 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L268(lines 268 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L202-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L136-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L70-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L203(line 203)  no Hoare annotation was computed.
[2020-11-28 03:02:39,313 INFO  L274        CegarLoopResult]: For program point  L137(line 137)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L71(line 71)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L864(lines 864 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L666(lines 666 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L534(lines 534 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L799(lines 799 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L601(lines 601 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L205-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,314 INFO  L274        CegarLoopResult]: For program point  L139-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L73-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L734(lines 734 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L470(lines 470 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L206(line 206)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L140(line 140)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L74(line 74)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L339(lines 339 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,315 INFO  L274        CegarLoopResult]: For program point  L406(lines 406 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,316 INFO  L274        CegarLoopResult]: For program point  L274(lines 274 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,316 INFO  L274        CegarLoopResult]: For program point  L208-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,316 INFO  L274        CegarLoopResult]: For program point  L142-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,316 INFO  L274        CegarLoopResult]: For program point  L76-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,317 INFO  L274        CegarLoopResult]: For program point  L869(lines 869 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,317 INFO  L274        CegarLoopResult]: For program point  L209(line 209)  no Hoare annotation was computed.
[2020-11-28 03:02:39,317 INFO  L274        CegarLoopResult]: For program point  L143(line 143)  no Hoare annotation was computed.
[2020-11-28 03:02:39,317 INFO  L274        CegarLoopResult]: For program point  L77(line 77)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L672(lines 672 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L540(lines 540 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L12(line 12)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L805(lines 805 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L607(lines 607 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L211-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L145-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,318 INFO  L274        CegarLoopResult]: For program point  L79-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,319 INFO  L274        CegarLoopResult]: For program point  L740(lines 740 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,319 INFO  L274        CegarLoopResult]: For program point  L212(line 212)  no Hoare annotation was computed.
[2020-11-28 03:02:39,319 INFO  L274        CegarLoopResult]: For program point  L146(line 146)  no Hoare annotation was computed.
[2020-11-28 03:02:39,319 INFO  L274        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-11-28 03:02:39,319 INFO  L274        CegarLoopResult]: For program point  L477(lines 477 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,320 INFO  L274        CegarLoopResult]: For program point  L345(lines 345 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,320 INFO  L274        CegarLoopResult]: For program point  L279(lines 279 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,320 INFO  L274        CegarLoopResult]: For program point  L412(lines 412 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,320 INFO  L274        CegarLoopResult]: For program point  L148-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,320 INFO  L274        CegarLoopResult]: For program point  L82-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L875(lines 875 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L149(line 149)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L678(lines 678 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L546(lines 546 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L811(lines 811 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L745(lines 745 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,321 INFO  L274        CegarLoopResult]: For program point  L613(lines 613 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L151-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L85-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L482(lines 482 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  ULTIMATE.startENTRY(line -1)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L152(line 152)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L351(lines 351 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L285(lines 285 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,322 INFO  L274        CegarLoopResult]: For program point  L418(lines 418 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,323 INFO  L274        CegarLoopResult]: For program point  L154-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,323 INFO  L274        CegarLoopResult]: For program point  L88-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,323 INFO  L270        CegarLoopResult]: At program point  L881(lines 30 882)  the Hoare annotation is:  (or (<= ~a21~0 7) (<= 6 ~a15~0) (<= 10 ~a21~0) (<= ~a12~0 80))
[2020-11-28 03:02:39,323 INFO  L274        CegarLoopResult]: For program point  L551(lines 551 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,323 INFO  L274        CegarLoopResult]: For program point  L221(lines 221 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,324 INFO  L274        CegarLoopResult]: For program point  L155(line 155)  no Hoare annotation was computed.
[2020-11-28 03:02:39,324 INFO  L274        CegarLoopResult]: For program point  L89(line 89)  no Hoare annotation was computed.
[2020-11-28 03:02:39,324 INFO  L274        CegarLoopResult]: For program point  L684(lines 684 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,325 INFO  L274        CegarLoopResult]: For program point  L817(lines 817 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,325 INFO  L274        CegarLoopResult]: For program point  L751(lines 751 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,325 INFO  L274        CegarLoopResult]: For program point  L619(lines 619 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,325 INFO  L274        CegarLoopResult]: For program point  L157-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,325 INFO  L274        CegarLoopResult]: For program point  L91-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,325 INFO  L277        CegarLoopResult]: At program point  L884(lines 884 900)  the Hoare annotation is:  true
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L488(lines 488 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L290(lines 290 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L158(line 158)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L92(line 92)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L687(lines 687 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L357(lines 357 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L424(lines 424 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L160-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,326 INFO  L274        CegarLoopResult]: For program point  L94-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  L557(lines 557 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  L227(lines 227 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  L161(line 161)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  L95(line 95)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  L757(lines 757 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  L625(lines 625 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,327 INFO  L274        CegarLoopResult]: For program point  L163-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,328 INFO  L274        CegarLoopResult]: For program point  L97-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,328 INFO  L274        CegarLoopResult]: For program point  L31(lines 31 33)  no Hoare annotation was computed.
[2020-11-28 03:02:39,328 INFO  L274        CegarLoopResult]: For program point  L31-2(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,328 INFO  L274        CegarLoopResult]: For program point  L824(lines 824 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,328 INFO  L270        CegarLoopResult]: At program point  L890-2(lines 890 899)  the Hoare annotation is:  (or (<= ~a21~0 7) (<= 6 ~a15~0) (<= 10 ~a21~0) (<= ~a12~0 80))
[2020-11-28 03:02:39,328 INFO  L274        CegarLoopResult]: For program point  L494(lines 494 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,328 INFO  L274        CegarLoopResult]: For program point  L296(lines 296 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,328 INFO  L274        CegarLoopResult]: For program point  L164(line 164)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L98(line 98)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L32(line 32)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L693(lines 693 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L363(lines 363 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L562(lines 562 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L430(lines 430 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L166-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,329 INFO  L274        CegarLoopResult]: For program point  L100-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,330 INFO  L274        CegarLoopResult]: For program point  L34-1(lines 30 882)  no Hoare annotation was computed.
[2020-11-28 03:02:39,330 INFO  L274        CegarLoopResult]: For program point  L233(lines 233 880)  no Hoare annotation was computed.
[2020-11-28 03:02:39,330 INFO  L274        CegarLoopResult]: For program point  L167(line 167)  no Hoare annotation was computed.
[2020-11-28 03:02:39,330 INFO  L274        CegarLoopResult]: For program point  L101(line 101)  no Hoare annotation was computed.
[2020-11-28 03:02:39,331 INFO  L274        CegarLoopResult]: For program point  L35(line 35)  no Hoare annotation was computed.
[2020-11-28 03:02:39,359 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:02:39 BoogieIcfgContainer
[2020-11-28 03:02:39,359 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-28 03:02:39,361 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-11-28 03:02:39,361 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-11-28 03:02:39,361 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-11-28 03:02:39,362 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:20" (3/4) ...
[2020-11-28 03:02:39,368 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2020-11-28 03:02:39,407 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2020-11-28 03:02:39,409 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2020-11-28 03:02:39,411 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2020-11-28 03:02:39,413 INFO  L902   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2020-11-28 03:02:39,620 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/witness.graphml
[2020-11-28 03:02:39,620 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-11-28 03:02:39,621 INFO  L168              Benchmark]: Toolchain (without parser) took 21819.80 ms. Allocated memory was 96.5 MB in the beginning and 610.3 MB in the end (delta: 513.8 MB). Free memory was 62.7 MB in the beginning and 354.0 MB in the end (delta: -291.3 MB). Peak memory consumption was 222.0 MB. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,622 INFO  L168              Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,623 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 757.83 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 52.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,624 INFO  L168              Benchmark]: Boogie Procedure Inliner took 170.20 ms. Allocated memory is still 96.5 MB. Free memory was 52.2 MB in the beginning and 42.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,624 INFO  L168              Benchmark]: Boogie Preprocessor took 152.43 ms. Allocated memory is still 96.5 MB. Free memory was 42.7 MB in the beginning and 67.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,625 INFO  L168              Benchmark]: RCFGBuilder took 1935.36 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 67.5 MB in the beginning and 94.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,625 INFO  L168              Benchmark]: TraceAbstraction took 18535.57 ms. Allocated memory was 134.2 MB in the beginning and 610.3 MB in the end (delta: 476.1 MB). Free memory was 94.4 MB in the beginning and 372.9 MB in the end (delta: -278.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,626 INFO  L168              Benchmark]: Witness Printer took 259.17 ms. Allocated memory is still 610.3 MB. Free memory was 372.9 MB in the beginning and 354.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
[2020-11-28 03:02:39,628 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 757.83 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 52.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 170.20 ms. Allocated memory is still 96.5 MB. Free memory was 52.2 MB in the beginning and 42.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 152.43 ms. Allocated memory is still 96.5 MB. Free memory was 42.7 MB in the beginning and 67.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1935.36 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 67.5 MB in the beginning and 94.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 18535.57 ms. Allocated memory was 134.2 MB in the beginning and 610.3 MB in the end (delta: 476.1 MB). Free memory was 94.4 MB in the beginning and 372.9 MB in the end (delta: -278.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 16.1 GB.
 * Witness Printer took 259.17 ms. Allocated memory is still 610.3 MB. Free memory was 372.9 MB in the beginning and 354.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 884]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 890]: Loop Invariant
    Derived loop invariant: ((a21 <= 7 || 6 <= a15) || 10 <= a21) || a12 <= 80
  - InvariantResult [Line: 30]: Loop Invariant
    Derived loop invariant: ((a21 <= 7 || 6 <= a15) || 10 <= a21) || a12 <= 80
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 796 SDtfs, 1366 SDslu, 45 SDs, 0 SdLazy, 4429 SolverSat, 756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1835 GetRequests, 1807 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2318occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 890 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 756 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3994 NumberOfCodeBlocks, 3994 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3981 ConstructedInterpolants, 0 QuantifiedInterpolants, 5552483 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2467 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 4443/5006 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...