./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 678e0110
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9f16087843ad8a83da47d6a6a4e9d674fa79150d
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)
--- Real Ultimate output ---
This is Ultimate 0.1.24-678e011
[2019-11-19 22:18:02,694 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-19 22:18:02,697 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-19 22:18:02,717 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-19 22:18:02,718 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-19 22:18:02,720 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-19 22:18:02,723 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-19 22:18:02,734 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-19 22:18:02,739 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-19 22:18:02,743 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-19 22:18:02,745 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-19 22:18:02,747 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-19 22:18:02,748 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-19 22:18:02,751 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-19 22:18:02,753 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-19 22:18:02,755 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-19 22:18:02,757 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-19 22:18:02,758 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-19 22:18:02,761 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-19 22:18:02,765 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-19 22:18:02,770 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-19 22:18:02,774 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-19 22:18:02,778 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-19 22:18:02,780 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-19 22:18:02,783 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-19 22:18:02,784 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-19 22:18:02,784 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-19 22:18:02,786 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-19 22:18:02,787 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-19 22:18:02,788 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-19 22:18:02,788 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-19 22:18:02,789 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-19 22:18:02,790 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-19 22:18:02,791 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-19 22:18:02,793 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-19 22:18:02,793 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-19 22:18:02,796 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-19 22:18:02,796 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-19 22:18:02,796 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-19 22:18:02,798 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-19 22:18:02,799 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-19 22:18:02,800 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2019-11-19 22:18:02,830 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-19 22:18:02,830 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-19 22:18:02,832 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-19 22:18:02,832 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-19 22:18:02,832 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-19 22:18:02,833 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-19 22:18:02,833 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2019-11-19 22:18:02,833 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-19 22:18:02,833 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-19 22:18:02,834 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-19 22:18:02,834 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-19 22:18:02,834 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-19 22:18:02,835 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2019-11-19 22:18:02,835 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-19 22:18:02,835 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-19 22:18:02,835 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-19 22:18:02,836 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-19 22:18:02,836 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-19 22:18:02,836 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-19 22:18:02,837 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-19 22:18:02,837 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-19 22:18:02,837 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-19 22:18:02,837 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-19 22:18:02,838 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-19 22:18:02,838 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-19 22:18:02,838 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-19 22:18:02,839 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-19 22:18:02,839 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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 -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d
[2019-11-19 22:18:03,200 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-19 22:18:03,215 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-19 22:18:03,219 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-19 22:18:03,221 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-19 22:18:03,222 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-19 22:18:03,223 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c
[2019-11-19 22:18:03,288 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3841d7180/20768cf296304af7ae9663f8f0fa3848/FLAGb02ec6792
[2019-11-19 22:18:03,688 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-19 22:18:03,689 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c
[2019-11-19 22:18:03,697 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3841d7180/20768cf296304af7ae9663f8f0fa3848/FLAGb02ec6792
[2019-11-19 22:18:04,111 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3841d7180/20768cf296304af7ae9663f8f0fa3848
[2019-11-19 22:18:04,116 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-19 22:18:04,118 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2019-11-19 22:18:04,123 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-19 22:18:04,123 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-19 22:18:04,127 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-19 22:18:04,128 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,132 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5373a6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04, skipping insertion in model container
[2019-11-19 22:18:04,132 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,144 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-19 22:18:04,167 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-19 22:18:04,334 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:18:04,338 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-19 22:18:04,352 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:18:04,364 INFO  L192         MainTranslator]: Completed translation
[2019-11-19 22:18:04,364 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04 WrapperNode
[2019-11-19 22:18:04,364 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-19 22:18:04,365 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-19 22:18:04,365 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-19 22:18:04,366 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-19 22:18:04,375 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,380 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,461 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-19 22:18:04,461 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-19 22:18:04,461 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-19 22:18:04,462 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-19 22:18:04,469 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,470 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,471 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,471 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,475 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,480 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,481 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
[2019-11-19 22:18:04,482 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-19 22:18:04,483 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-19 22:18:04,483 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-19 22:18:04,483 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-19 22:18:04,484 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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
[2019-11-19 22:18:04,543 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-19 22:18:04,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-19 22:18:04,750 INFO  L280             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-19 22:18:04,750 INFO  L285             CfgBuilder]: Removed 6 assume(true) statements.
[2019-11-19 22:18:04,752 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:04 BoogieIcfgContainer
[2019-11-19 22:18:04,752 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-19 22:18:04,753 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-19 22:18:04,753 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-19 22:18:04,757 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-19 22:18:04,757 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:18:04" (1/3) ...
[2019-11-19 22:18:04,758 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d56e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:04, skipping insertion in model container
[2019-11-19 22:18:04,758 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:04" (2/3) ...
[2019-11-19 22:18:04,759 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d56e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:04, skipping insertion in model container
[2019-11-19 22:18:04,759 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:04" (3/3) ...
[2019-11-19 22:18:04,761 INFO  L109   eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c
[2019-11-19 22:18:04,772 INFO  L153   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-19 22:18:04,783 INFO  L165   ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations.
[2019-11-19 22:18:04,803 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2019-11-19 22:18:04,835 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-19 22:18:04,836 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-19 22:18:04,836 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-19 22:18:04,837 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-19 22:18:04,837 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-19 22:18:04,837 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-19 22:18:04,837 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-19 22:18:04,838 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-19 22:18:04,859 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states.
[2019-11-19 22:18:04,865 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2019-11-19 22:18:04,865 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:04,867 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2019-11-19 22:18:04,868 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:04,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:04,875 INFO  L82        PathProgramCache]: Analyzing trace with hash 964492, now seen corresponding path program 1 times
[2019-11-19 22:18:04,885 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:04,886 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243181733]
[2019-11-19 22:18:04,886 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:04,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:18:05,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:18:05,001 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243181733]
[2019-11-19 22:18:05,002 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:18:05,002 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-11-19 22:18:05,004 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854242816]
[2019-11-19 22:18:05,009 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-11-19 22:18:05,010 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:18:05,024 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-11-19 22:18:05,025 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-11-19 22:18:05,027 INFO  L87              Difference]: Start difference. First operand 33 states. Second operand 2 states.
[2019-11-19 22:18:05,053 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:18:05,054 INFO  L93              Difference]: Finished difference Result 65 states and 75 transitions.
[2019-11-19 22:18:05,054 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2019-11-19 22:18:05,055 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 4
[2019-11-19 22:18:05,056 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 22:18:05,064 INFO  L225             Difference]: With dead ends: 65
[2019-11-19 22:18:05,064 INFO  L226             Difference]: Without dead ends: 29
[2019-11-19 22:18:05,068 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-11-19 22:18:05,086 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2019-11-19 22:18:05,100 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2019-11-19 22:18:05,101 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 29 states.
[2019-11-19 22:18:05,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions.
[2019-11-19 22:18:05,104 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4
[2019-11-19 22:18:05,104 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 22:18:05,104 INFO  L462      AbstractCegarLoop]: Abstraction has 29 states and 32 transitions.
[2019-11-19 22:18:05,104 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-11-19 22:18:05,105 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions.
[2019-11-19 22:18:05,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2019-11-19 22:18:05,105 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:05,105 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2019-11-19 22:18:05,106 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:05,107 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:05,107 INFO  L82        PathProgramCache]: Analyzing trace with hash 963500, now seen corresponding path program 1 times
[2019-11-19 22:18:05,107 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:05,108 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612012380]
[2019-11-19 22:18:05,108 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:05,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:18:05,145 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:18:05,146 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612012380]
[2019-11-19 22:18:05,146 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:18:05,147 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-11-19 22:18:05,147 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871927354]
[2019-11-19 22:18:05,149 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-19 22:18:05,149 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:18:05,149 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 22:18:05,150 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,150 INFO  L87              Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states.
[2019-11-19 22:18:05,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:18:05,247 INFO  L93              Difference]: Finished difference Result 49 states and 58 transitions.
[2019-11-19 22:18:05,247 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-19 22:18:05,248 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 4
[2019-11-19 22:18:05,248 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 22:18:05,250 INFO  L225             Difference]: With dead ends: 49
[2019-11-19 22:18:05,251 INFO  L226             Difference]: Without dead ends: 46
[2019-11-19 22:18:05,252 INFO  L630         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
[2019-11-19 22:18:05,253 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2019-11-19 22:18:05,262 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39.
[2019-11-19 22:18:05,262 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2019-11-19 22:18:05,263 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions.
[2019-11-19 22:18:05,264 INFO  L78                 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4
[2019-11-19 22:18:05,265 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 22:18:05,265 INFO  L462      AbstractCegarLoop]: Abstraction has 39 states and 49 transitions.
[2019-11-19 22:18:05,265 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-19 22:18:05,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions.
[2019-11-19 22:18:05,266 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2019-11-19 22:18:05,266 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:05,267 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2019-11-19 22:18:05,267 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:05,268 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:05,269 INFO  L82        PathProgramCache]: Analyzing trace with hash 29868584, now seen corresponding path program 1 times
[2019-11-19 22:18:05,269 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:05,269 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95896702]
[2019-11-19 22:18:05,270 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:05,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:18:05,301 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:18:05,302 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95896702]
[2019-11-19 22:18:05,302 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:18:05,302 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2019-11-19 22:18:05,302 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213658372]
[2019-11-19 22:18:05,303 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-19 22:18:05,303 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:18:05,304 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 22:18:05,304 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,304 INFO  L87              Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 3 states.
[2019-11-19 22:18:05,342 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:18:05,342 INFO  L93              Difference]: Finished difference Result 39 states and 49 transitions.
[2019-11-19 22:18:05,343 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-19 22:18:05,343 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 5
[2019-11-19 22:18:05,344 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 22:18:05,344 INFO  L225             Difference]: With dead ends: 39
[2019-11-19 22:18:05,344 INFO  L226             Difference]: Without dead ends: 36
[2019-11-19 22:18:05,345 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,346 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2019-11-19 22:18:05,351 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2019-11-19 22:18:05,351 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2019-11-19 22:18:05,352 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions.
[2019-11-19 22:18:05,353 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 5
[2019-11-19 22:18:05,353 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 22:18:05,353 INFO  L462      AbstractCegarLoop]: Abstraction has 36 states and 46 transitions.
[2019-11-19 22:18:05,353 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-19 22:18:05,354 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions.
[2019-11-19 22:18:05,354 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2019-11-19 22:18:05,354 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:05,355 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2019-11-19 22:18:05,355 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:05,355 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:05,356 INFO  L82        PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times
[2019-11-19 22:18:05,356 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:05,357 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266240958]
[2019-11-19 22:18:05,357 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:05,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:18:05,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:18:05,397 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266240958]
[2019-11-19 22:18:05,397 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:18:05,397 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-19 22:18:05,398 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271422300]
[2019-11-19 22:18:05,398 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-11-19 22:18:05,398 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:18:05,399 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-11-19 22:18:05,399 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-19 22:18:05,399 INFO  L87              Difference]: Start difference. First operand 36 states and 46 transitions. Second operand 4 states.
[2019-11-19 22:18:05,564 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:18:05,565 INFO  L93              Difference]: Finished difference Result 55 states and 68 transitions.
[2019-11-19 22:18:05,565 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-19 22:18:05,565 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 5
[2019-11-19 22:18:05,566 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 22:18:05,567 INFO  L225             Difference]: With dead ends: 55
[2019-11-19 22:18:05,567 INFO  L226             Difference]: Without dead ends: 51
[2019-11-19 22:18:05,567 INFO  L630         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
[2019-11-19 22:18:05,570 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2019-11-19 22:18:05,581 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44.
[2019-11-19 22:18:05,581 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 44 states.
[2019-11-19 22:18:05,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions.
[2019-11-19 22:18:05,583 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 5
[2019-11-19 22:18:05,583 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 22:18:05,583 INFO  L462      AbstractCegarLoop]: Abstraction has 44 states and 56 transitions.
[2019-11-19 22:18:05,583 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-11-19 22:18:05,584 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions.
[2019-11-19 22:18:05,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2019-11-19 22:18:05,584 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:05,584 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:18:05,587 INFO  L410      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:05,587 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:05,587 INFO  L82        PathProgramCache]: Analyzing trace with hash 925926190, now seen corresponding path program 1 times
[2019-11-19 22:18:05,588 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:05,589 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076839364]
[2019-11-19 22:18:05,589 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:05,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:18:05,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:18:05,646 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076839364]
[2019-11-19 22:18:05,646 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:18:05,646 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2019-11-19 22:18:05,647 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007892515]
[2019-11-19 22:18:05,647 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-19 22:18:05,647 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:18:05,647 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 22:18:05,649 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,649 INFO  L87              Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states.
[2019-11-19 22:18:05,704 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:18:05,705 INFO  L93              Difference]: Finished difference Result 53 states and 68 transitions.
[2019-11-19 22:18:05,706 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-19 22:18:05,706 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 6
[2019-11-19 22:18:05,707 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 22:18:05,707 INFO  L225             Difference]: With dead ends: 53
[2019-11-19 22:18:05,708 INFO  L226             Difference]: Without dead ends: 52
[2019-11-19 22:18:05,708 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,709 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2019-11-19 22:18:05,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44.
[2019-11-19 22:18:05,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 44 states.
[2019-11-19 22:18:05,721 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions.
[2019-11-19 22:18:05,722 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 6
[2019-11-19 22:18:05,722 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 22:18:05,722 INFO  L462      AbstractCegarLoop]: Abstraction has 44 states and 56 transitions.
[2019-11-19 22:18:05,722 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-19 22:18:05,723 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions.
[2019-11-19 22:18:05,723 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2019-11-19 22:18:05,723 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:05,724 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:18:05,724 INFO  L410      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:05,725 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:05,725 INFO  L82        PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times
[2019-11-19 22:18:05,725 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:05,726 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977276517]
[2019-11-19 22:18:05,727 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:05,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:18:05,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:18:05,771 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977276517]
[2019-11-19 22:18:05,772 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:18:05,772 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-11-19 22:18:05,772 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60337635]
[2019-11-19 22:18:05,773 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-19 22:18:05,773 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:18:05,773 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 22:18:05,773 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,774 INFO  L87              Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states.
[2019-11-19 22:18:05,822 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:18:05,823 INFO  L93              Difference]: Finished difference Result 103 states and 135 transitions.
[2019-11-19 22:18:05,825 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-19 22:18:05,825 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 6
[2019-11-19 22:18:05,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 22:18:05,826 INFO  L225             Difference]: With dead ends: 103
[2019-11-19 22:18:05,826 INFO  L226             Difference]: Without dead ends: 60
[2019-11-19 22:18:05,827 INFO  L630         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
[2019-11-19 22:18:05,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2019-11-19 22:18:05,834 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58.
[2019-11-19 22:18:05,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 58 states.
[2019-11-19 22:18:05,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions.
[2019-11-19 22:18:05,836 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 6
[2019-11-19 22:18:05,836 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 22:18:05,836 INFO  L462      AbstractCegarLoop]: Abstraction has 58 states and 74 transitions.
[2019-11-19 22:18:05,837 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-19 22:18:05,837 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions.
[2019-11-19 22:18:05,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2019-11-19 22:18:05,838 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:05,838 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:18:05,838 INFO  L410      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:05,839 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:05,839 INFO  L82        PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times
[2019-11-19 22:18:05,839 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:05,840 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377748599]
[2019-11-19 22:18:05,840 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:05,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:18:05,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:18:05,863 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377748599]
[2019-11-19 22:18:05,863 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:18:05,863 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2019-11-19 22:18:05,863 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741846841]
[2019-11-19 22:18:05,864 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-19 22:18:05,864 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:18:05,865 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 22:18:05,865 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,865 INFO  L87              Difference]: Start difference. First operand 58 states and 74 transitions. Second operand 3 states.
[2019-11-19 22:18:05,901 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:18:05,901 INFO  L93              Difference]: Finished difference Result 58 states and 74 transitions.
[2019-11-19 22:18:05,905 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-19 22:18:05,905 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 6
[2019-11-19 22:18:05,905 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-19 22:18:05,906 INFO  L225             Difference]: With dead ends: 58
[2019-11-19 22:18:05,906 INFO  L226             Difference]: Without dead ends: 57
[2019-11-19 22:18:05,907 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:18:05,907 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2019-11-19 22:18:05,914 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2019-11-19 22:18:05,914 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 57 states.
[2019-11-19 22:18:05,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions.
[2019-11-19 22:18:05,916 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6
[2019-11-19 22:18:05,916 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-19 22:18:05,916 INFO  L462      AbstractCegarLoop]: Abstraction has 57 states and 72 transitions.
[2019-11-19 22:18:05,916 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-19 22:18:05,917 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions.
[2019-11-19 22:18:05,917 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2019-11-19 22:18:05,918 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-19 22:18:05,918 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:18:05,918 INFO  L410      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2019-11-19 22:18:05,919 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:18:05,919 INFO  L82        PathProgramCache]: Analyzing trace with hash -1361059094, now seen corresponding path program 1 times
[2019-11-19 22:18:05,919 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:18:05,920 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730940044]
[2019-11-19 22:18:05,920 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:18:05,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:18:05,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:18:05,959 INFO  L174   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:18:05,960 INFO  L475         BasicCegarLoop]: Counterexample might be feasible
[2019-11-19 22:18:05,984 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:18:05 BoogieIcfgContainer
[2019-11-19 22:18:05,984 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-11-19 22:18:05,985 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-19 22:18:05,985 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2019-11-19 22:18:05,986 INFO  L275        PluginConnector]: Witness Printer initialized
[2019-11-19 22:18:05,986 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:04" (3/4) ...
[2019-11-19 22:18:05,989 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2019-11-19 22:18:06,031 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2019-11-19 22:18:06,031 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-19 22:18:06,034 INFO  L168              Benchmark]: Toolchain (without parser) took 1915.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -80.0 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,034 INFO  L168              Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,035 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 241.73 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,036 INFO  L168              Benchmark]: Boogie Procedure Inliner took 95.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,037 INFO  L168              Benchmark]: Boogie Preprocessor took 21.42 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,038 INFO  L168              Benchmark]: RCFGBuilder took 269.07 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,039 INFO  L168              Benchmark]: TraceAbstraction took 1231.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,040 INFO  L168              Benchmark]: Witness Printer took 46.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:18:06,044 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 241.73 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 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 95.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 21.42 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 269.07 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB.
 * TraceAbstraction took 1231.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB.
 * Witness Printer took 46.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 30]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L13]              int a, b;
[L14]              a = __VERIFIER_nondet_int()
[L15]              b = __VERIFIER_nondet_int()
[L16]  COND TRUE   a < 30
[L17]  COND FALSE  !(b < a)
[L29]  EXPR        a + 2
[L29]              a = a + 2
[L30]              b - 10

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 33 locations, 12 error locations. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 119 SDslu, 40 SDs, 0 SdLazy, 161 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...