./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 635dfa2a
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 41d35d9d9785c70c81ceac96efa22b5a4097e6f4
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.1.23-635dfa2
[2018-12-01 14:26:59,612 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-12-01 14:26:59,613 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-12-01 14:26:59,621 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-12-01 14:26:59,621 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-12-01 14:26:59,622 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-12-01 14:26:59,622 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-12-01 14:26:59,624 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-12-01 14:26:59,625 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-12-01 14:26:59,625 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-12-01 14:26:59,626 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-12-01 14:26:59,626 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-12-01 14:26:59,627 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-12-01 14:26:59,627 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-12-01 14:26:59,628 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-12-01 14:26:59,629 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-01 14:26:59,629 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-01 14:26:59,630 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-01 14:26:59,632 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-01 14:26:59,633 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-01 14:26:59,634 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-01 14:26:59,634 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-12-01 14:26:59,635 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-12-01 14:26:59,635 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-12-01 14:26:59,635 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-01 14:26:59,636 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-01 14:26:59,637 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-01 14:26:59,637 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-12-01 14:26:59,637 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-12-01 14:26:59,638 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-12-01 14:26:59,638 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-12-01 14:26:59,638 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-12-01 14:26:59,639 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-12-01 14:26:59,639 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-12-01 14:26:59,639 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-12-01 14:26:59,640 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-12-01 14:26:59,640 INFO  L98         SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2018-12-01 14:26:59,646 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-12-01 14:26:59,647 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-01 14:26:59,647 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-12-01 14:26:59,647 INFO  L133        SettingsManager]:  * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS
[2018-12-01 14:26:59,648 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-01 14:26:59,648 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-12-01 14:26:59,648 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-12-01 14:26:59,648 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-01 14:26:59,648 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-12-01 14:26:59,648 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-12-01 14:26:59,648 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-12-01 14:26:59,648 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-12-01 14:26:59,649 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-01 14:26:59,649 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-12-01 14:26:59,649 INFO  L133        SettingsManager]:  * Check absence of signed integer overflows=true
[2018-12-01 14:26:59,649 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-12-01 14:26:59,649 INFO  L133        SettingsManager]:  * Use constant arrays=true
[2018-12-01 14:26:59,649 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-12-01 14:26:59,649 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-01 14:26:59,649 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-12-01 14:26:59,650 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-12-01 14:26:59,650 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-12-01 14:26:59,650 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-12-01 14:26:59,650 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-01 14:26:59,650 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-12-01 14:26:59,650 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-12-01 14:26:59,650 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-12-01 14:26:59,650 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-01 14:26:59,651 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-12-01 14:26:59,651 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
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/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/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 ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4
[2018-12-01 14:26:59,669 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-01 14:26:59,678 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-01 14:26:59,680 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-01 14:26:59,681 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-12-01 14:26:59,682 INFO  L276        PluginConnector]: CDTParser initialized
[2018-12-01 14:26:59,682 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c
[2018-12-01 14:26:59,725 INFO  L221              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/data/636b9c660/6be49bc5e2b64b4784f1dce5d4cefede/FLAGd0763ef62
[2018-12-01 14:27:00,161 INFO  L307              CDTParser]: Found 1 translation units.
[2018-12-01 14:27:00,161 INFO  L161              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c
[2018-12-01 14:27:00,165 INFO  L355              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/data/636b9c660/6be49bc5e2b64b4784f1dce5d4cefede/FLAGd0763ef62
[2018-12-01 14:27:00,173 INFO  L363              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/data/636b9c660/6be49bc5e2b64b4784f1dce5d4cefede
[2018-12-01 14:27:00,174 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-01 14:27:00,175 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2018-12-01 14:27:00,176 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-12-01 14:27:00,176 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-12-01 14:27:00,178 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-12-01 14:27:00,178 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,180 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00, skipping insertion in model container
[2018-12-01 14:27:00,180 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,184 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-12-01 14:27:00,193 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-12-01 14:27:00,276 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-01 14:27:00,278 INFO  L191         MainTranslator]: Completed pre-run
[2018-12-01 14:27:00,287 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-01 14:27:00,295 INFO  L195         MainTranslator]: Completed translation
[2018-12-01 14:27:00,295 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00 WrapperNode
[2018-12-01 14:27:00,296 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-12-01 14:27:00,296 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-01 14:27:00,296 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-01 14:27:00,296 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-01 14:27:00,301 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,304 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,309 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-01 14:27:00,309 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-01 14:27:00,309 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-01 14:27:00,309 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-12-01 14:27:00,315 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,315 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,315 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,316 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,318 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,321 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,322 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
[2018-12-01 14:27:00,323 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-01 14:27:00,323 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-01 14:27:00,323 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-12-01 14:27:00,323 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-12-01 14:27:00,324 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/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
[2018-12-01 14:27:00,394 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-12-01 14:27:00,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-12-01 14:27:00,394 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-01 14:27:00,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-01 14:27:00,394 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2018-12-01 14:27:00,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2018-12-01 14:27:00,490 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-01 14:27:00,491 INFO  L280             CfgBuilder]: Removed 1 assue(true) statements.
[2018-12-01 14:27:00,491 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:00 BoogieIcfgContainer
[2018-12-01 14:27:00,491 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-01 14:27:00,491 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-12-01 14:27:00,491 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-12-01 14:27:00,493 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-12-01 14:27:00,493 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:27:00" (1/3) ...
[2018-12-01 14:27:00,494 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7555696c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:27:00, skipping insertion in model container
[2018-12-01 14:27:00,494 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:00" (2/3) ...
[2018-12-01 14:27:00,494 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7555696c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:27:00, skipping insertion in model container
[2018-12-01 14:27:00,494 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:00" (3/3) ...
[2018-12-01 14:27:00,495 INFO  L112   eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c
[2018-12-01 14:27:00,501 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-12-01 14:27:00,505 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations.
[2018-12-01 14:27:00,514 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2018-12-01 14:27:00,531 INFO  L133   ementStrategyFactory]: Using default assertion order modulation
[2018-12-01 14:27:00,532 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-12-01 14:27:00,532 INFO  L383      AbstractCegarLoop]: Hoare is true
[2018-12-01 14:27:00,532 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-12-01 14:27:00,532 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-12-01 14:27:00,532 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-12-01 14:27:00,532 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-12-01 14:27:00,532 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-12-01 14:27:00,532 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-12-01 14:27:00,542 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states.
[2018-12-01 14:27:00,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-12-01 14:27:00,545 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-01 14:27:00,546 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-01 14:27:00,547 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2018-12-01 14:27:00,550 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-01 14:27:00,550 INFO  L82        PathProgramCache]: Analyzing trace with hash -352043838, now seen corresponding path program 1 times
[2018-12-01 14:27:00,551 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-01 14:27:00,552 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-01 14:27:00,585 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,585 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-01 14:27:00,585 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 14:27:00,633 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 14:27:00,635 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-01 14:27:00,635 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-01 14:27:00,637 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-01 14:27:00,644 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-01 14:27:00,645 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-01 14:27:00,646 INFO  L87              Difference]: Start difference. First operand 25 states. Second operand 3 states.
[2018-12-01 14:27:00,664 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-01 14:27:00,665 INFO  L93              Difference]: Finished difference Result 30 states and 32 transitions.
[2018-12-01 14:27:00,665 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-01 14:27:00,666 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2018-12-01 14:27:00,666 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-01 14:27:00,672 INFO  L225             Difference]: With dead ends: 30
[2018-12-01 14:27:00,673 INFO  L226             Difference]: Without dead ends: 19
[2018-12-01 14:27:00,674 INFO  L631         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
[2018-12-01 14:27:00,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2018-12-01 14:27:00,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2018-12-01 14:27:00,694 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 19 states.
[2018-12-01 14:27:00,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2018-12-01 14:27:00,695 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 8
[2018-12-01 14:27:00,695 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-01 14:27:00,695 INFO  L480      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2018-12-01 14:27:00,695 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-01 14:27:00,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2018-12-01 14:27:00,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-12-01 14:27:00,696 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-01 14:27:00,696 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-01 14:27:00,696 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2018-12-01 14:27:00,696 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-01 14:27:00,696 INFO  L82        PathProgramCache]: Analyzing trace with hash 1971542960, now seen corresponding path program 1 times
[2018-12-01 14:27:00,696 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-01 14:27:00,696 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-01 14:27:00,697 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,697 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-01 14:27:00,698 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 14:27:00,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 14:27:00,710 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-01 14:27:00,710 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-01 14:27:00,711 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-01 14:27:00,711 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-01 14:27:00,711 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-01 14:27:00,711 INFO  L87              Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 3 states.
[2018-12-01 14:27:00,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-01 14:27:00,728 INFO  L93              Difference]: Finished difference Result 20 states and 22 transitions.
[2018-12-01 14:27:00,729 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-01 14:27:00,729 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2018-12-01 14:27:00,729 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-01 14:27:00,729 INFO  L225             Difference]: With dead ends: 20
[2018-12-01 14:27:00,729 INFO  L226             Difference]: Without dead ends: 19
[2018-12-01 14:27:00,730 INFO  L631         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
[2018-12-01 14:27:00,730 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2018-12-01 14:27:00,731 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18.
[2018-12-01 14:27:00,732 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2018-12-01 14:27:00,732 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2018-12-01 14:27:00,732 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 9
[2018-12-01 14:27:00,732 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-01 14:27:00,732 INFO  L480      AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2018-12-01 14:27:00,732 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-01 14:27:00,732 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2018-12-01 14:27:00,733 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-12-01 14:27:00,733 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-01 14:27:00,733 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-01 14:27:00,733 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2018-12-01 14:27:00,733 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-01 14:27:00,733 INFO  L82        PathProgramCache]: Analyzing trace with hash 1971548950, now seen corresponding path program 1 times
[2018-12-01 14:27:00,733 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-01 14:27:00,733 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-01 14:27:00,734 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,734 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-01 14:27:00,734 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 14:27:00,747 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 14:27:00,748 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-01 14:27:00,748 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-01 14:27:00,748 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-01 14:27:00,748 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-01 14:27:00,748 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-01 14:27:00,748 INFO  L87              Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states.
[2018-12-01 14:27:00,754 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-01 14:27:00,754 INFO  L93              Difference]: Finished difference Result 18 states and 20 transitions.
[2018-12-01 14:27:00,755 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-01 14:27:00,755 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2018-12-01 14:27:00,755 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-01 14:27:00,755 INFO  L225             Difference]: With dead ends: 18
[2018-12-01 14:27:00,755 INFO  L226             Difference]: Without dead ends: 17
[2018-12-01 14:27:00,755 INFO  L631         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
[2018-12-01 14:27:00,755 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2018-12-01 14:27:00,757 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2018-12-01 14:27:00,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2018-12-01 14:27:00,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2018-12-01 14:27:00,757 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 9
[2018-12-01 14:27:00,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-01 14:27:00,757 INFO  L480      AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2018-12-01 14:27:00,757 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-01 14:27:00,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2018-12-01 14:27:00,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2018-12-01 14:27:00,758 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-01 14:27:00,758 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-01 14:27:00,758 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2018-12-01 14:27:00,758 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-01 14:27:00,758 INFO  L82        PathProgramCache]: Analyzing trace with hash 1971549142, now seen corresponding path program 1 times
[2018-12-01 14:27:00,758 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-01 14:27:00,758 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-01 14:27:00,759 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,759 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-01 14:27:00,759 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 14:27:00,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 14:27:00,771 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-01 14:27:00,771 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-01 14:27:00,771 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-01 14:27:00,771 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-01 14:27:00,771 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-01 14:27:00,771 INFO  L87              Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states.
[2018-12-01 14:27:00,777 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-01 14:27:00,777 INFO  L93              Difference]: Finished difference Result 17 states and 19 transitions.
[2018-12-01 14:27:00,778 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-01 14:27:00,778 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2018-12-01 14:27:00,778 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-01 14:27:00,778 INFO  L225             Difference]: With dead ends: 17
[2018-12-01 14:27:00,778 INFO  L226             Difference]: Without dead ends: 16
[2018-12-01 14:27:00,778 INFO  L631         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
[2018-12-01 14:27:00,778 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2018-12-01 14:27:00,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2018-12-01 14:27:00,780 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2018-12-01 14:27:00,780 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions.
[2018-12-01 14:27:00,780 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 9
[2018-12-01 14:27:00,780 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-01 14:27:00,780 INFO  L480      AbstractCegarLoop]: Abstraction has 16 states and 18 transitions.
[2018-12-01 14:27:00,780 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-01 14:27:00,780 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions.
[2018-12-01 14:27:00,781 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-12-01 14:27:00,781 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-01 14:27:00,781 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-01 14:27:00,781 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2018-12-01 14:27:00,781 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-01 14:27:00,781 INFO  L82        PathProgramCache]: Analyzing trace with hash 988475365, now seen corresponding path program 1 times
[2018-12-01 14:27:00,781 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-01 14:27:00,781 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-01 14:27:00,782 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,782 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-01 14:27:00,782 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 14:27:00,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 14:27:00,795 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-01 14:27:00,795 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-01 14:27:00,795 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-01 14:27:00,795 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-01 14:27:00,795 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-01 14:27:00,795 INFO  L87              Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 3 states.
[2018-12-01 14:27:00,801 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-01 14:27:00,801 INFO  L93              Difference]: Finished difference Result 17 states and 19 transitions.
[2018-12-01 14:27:00,801 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-01 14:27:00,802 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2018-12-01 14:27:00,802 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-01 14:27:00,802 INFO  L225             Difference]: With dead ends: 17
[2018-12-01 14:27:00,802 INFO  L226             Difference]: Without dead ends: 16
[2018-12-01 14:27:00,802 INFO  L631         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
[2018-12-01 14:27:00,802 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2018-12-01 14:27:00,803 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15.
[2018-12-01 14:27:00,804 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2018-12-01 14:27:00,804 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2018-12-01 14:27:00,804 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10
[2018-12-01 14:27:00,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-01 14:27:00,804 INFO  L480      AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2018-12-01 14:27:00,804 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-01 14:27:00,804 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2018-12-01 14:27:00,804 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-12-01 14:27:00,805 INFO  L394         BasicCegarLoop]: Found error trace
[2018-12-01 14:27:00,805 INFO  L402         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-01 14:27:00,805 INFO  L423      AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2018-12-01 14:27:00,805 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-01 14:27:00,805 INFO  L82        PathProgramCache]: Analyzing trace with hash 988481323, now seen corresponding path program 1 times
[2018-12-01 14:27:00,805 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-01 14:27:00,805 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-01 14:27:00,806 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,806 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-01 14:27:00,806 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-01 14:27:00,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-01 14:27:00,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-01 14:27:00,819 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-01 14:27:00,819 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-01 14:27:00,819 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-12-01 14:27:00,819 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-01 14:27:00,819 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-01 14:27:00,819 INFO  L87              Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states.
[2018-12-01 14:27:00,832 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-01 14:27:00,832 INFO  L93              Difference]: Finished difference Result 16 states and 18 transitions.
[2018-12-01 14:27:00,833 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-01 14:27:00,833 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2018-12-01 14:27:00,833 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-12-01 14:27:00,833 INFO  L225             Difference]: With dead ends: 16
[2018-12-01 14:27:00,833 INFO  L226             Difference]: Without dead ends: 0
[2018-12-01 14:27:00,833 INFO  L631         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
[2018-12-01 14:27:00,834 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-12-01 14:27:00,834 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-12-01 14:27:00,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-12-01 14:27:00,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-12-01 14:27:00,834 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2018-12-01 14:27:00,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-12-01 14:27:00,834 INFO  L480      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-12-01 14:27:00,834 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-12-01 14:27:00,834 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-12-01 14:27:00,834 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2018-12-01 14:27:00,837 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-12-01 14:27:00,858 INFO  L451   ceAbstractionStarter]: At program point  ULTIMATE.initFINAL(line -1)  the Hoare annotation is:  true
[2018-12-01 14:27:00,858 INFO  L448   ceAbstractionStarter]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2018-12-01 14:27:00,858 INFO  L448   ceAbstractionStarter]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L451   ceAbstractionStarter]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2018-12-01 14:27:00,859 INFO  L451   ceAbstractionStarter]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  L27(line 27)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  L27-1(line 27)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  mainEXIT(lines 15 32)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  L23(lines 23 29)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L448   ceAbstractionStarter]: For program point  L21(lines 21 29)  no Hoare annotation was computed.
[2018-12-01 14:27:00,859 INFO  L444   ceAbstractionStarter]: At program point  L23-2(lines 20 30)  the Hoare annotation is:  (and (<= main_~z~0 2147483647) (<= main_~x~0 2147483647) (<= main_~y~0 2147483647))
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  mainFINAL(lines 15 32)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L451   ceAbstractionStarter]: At program point  mainENTRY(lines 15 32)  the Hoare annotation is:  true
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  L24(line 24)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  L24-1(line 24)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  L22(line 22)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  L22-1(line 22)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  L20-2(lines 20 30)  no Hoare annotation was computed.
[2018-12-01 14:27:00,860 INFO  L448   ceAbstractionStarter]: For program point  mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27)  no Hoare annotation was computed.
[2018-12-01 14:27:00,867 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:27:00 BoogieIcfgContainer
[2018-12-01 14:27:00,867 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-12-01 14:27:00,867 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-12-01 14:27:00,867 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-12-01 14:27:00,868 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-12-01 14:27:00,868 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:00" (3/4) ...
[2018-12-01 14:27:00,870 INFO  L144         WitnessPrinter]: Generating witness for correct program
[2018-12-01 14:27:00,874 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init
[2018-12-01 14:27:00,874 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure main
[2018-12-01 14:27:00,876 INFO  L905   BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2018-12-01 14:27:00,876 INFO  L905   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2018-12-01 14:27:00,876 INFO  L905   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2018-12-01 14:27:00,901 INFO  L145         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_489e0986-496f-43b5-92d4-ba36d26237b9/bin-2019/uautomizer/witness.graphml
[2018-12-01 14:27:00,902 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-12-01 14:27:00,902 INFO  L168              Benchmark]: Toolchain (without parser) took 727.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -112.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,903 INFO  L168              Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,903 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 120.35 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,903 INFO  L168              Benchmark]: Boogie Procedure Inliner took 12.66 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,903 INFO  L168              Benchmark]: Boogie Preprocessor took 13.62 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,903 INFO  L168              Benchmark]: RCFGBuilder took 168.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,904 INFO  L168              Benchmark]: TraceAbstraction took 375.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,904 INFO  L168              Benchmark]: Witness Printer took 34.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB.
[2018-12-01 14:27:00,905 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 120.35 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 12.66 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 13.62 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * RCFGBuilder took 168.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 375.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB.
 * Witness Printer took 34.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 24]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 24]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 27]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 27]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 22]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 22]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - AllSpecificationsHoldResult: All specifications hold
    6 specifications checked. All of them hold
  - InvariantResult [Line: 20]: Loop Invariant
    Derived loop invariant: (z <= 2147483647 && x <= 2147483647) && y <= 2147483647
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 25 locations, 6 error locations. SAFE Result, 0.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 97 SDtfs, 55 SDslu, 26 SDs, 0 SdLazy, 30 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 14 HoareAnnotationTreeSize, 5 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 765 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...