java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem09_label51.c


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


This is Ultimate 0.1.24-112bae1
[2019-09-07 18:03:33,207 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 18:03:33,210 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 18:03:33,222 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 18:03:33,223 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 18:03:33,224 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 18:03:33,225 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-07 18:03:33,227 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-07 18:03:33,229 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 18:03:33,229 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 18:03:33,230 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 18:03:33,232 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 18:03:33,232 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 18:03:33,233 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 18:03:33,234 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 18:03:33,235 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 18:03:33,236 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 18:03:33,237 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 18:03:33,238 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 18:03:33,240 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 18:03:33,242 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 18:03:33,243 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 18:03:33,244 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 18:03:33,245 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 18:03:33,247 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 18:03:33,247 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 18:03:33,247 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 18:03:33,248 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 18:03:33,249 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 18:03:33,249 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 18:03:33,250 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-07 18:03:33,250 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-07 18:03:33,251 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 18:03:33,252 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 18:03:33,253 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 18:03:33,253 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 18:03:33,254 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 18:03:33,254 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 18:03:33,254 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-07 18:03:33,255 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-07 18:03:33,256 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 18:03:33,260 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-09-07 18:03:33,283 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 18:03:33,283 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 18:03:33,285 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 18:03:33,286 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 18:03:33,286 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 18:03:33,286 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 18:03:33,286 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 18:03:33,286 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 18:03:33,287 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 18:03:33,287 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 18:03:33,288 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 18:03:33,288 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 18:03:33,288 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 18:03:33,289 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 18:03:33,289 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 18:03:33,289 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 18:03:33,289 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 18:03:33,290 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 18:03:33,290 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 18:03:33,290 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 18:03:33,290 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 18:03:33,291 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 18:03:33,291 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 18:03:33,291 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 18:03:33,291 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 18:03:33,292 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 18:03:33,292 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 18:03:33,292 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 18:03:33,292 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 18:03:33,330 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 18:03:33,351 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 18:03:33,358 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 18:03:33,360 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 18:03:33,361 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 18:03:33,361 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label51.c
[2019-09-07 18:03:33,451 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b88da19aa/8c2fb2032ee04ae78dfc49e0d38a5a00/FLAGa0b24ebb7
[2019-09-07 18:03:37,539 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 18:03:37,540 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label51.c
[2019-09-07 18:03:37,887 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b88da19aa/8c2fb2032ee04ae78dfc49e0d38a5a00/FLAGa0b24ebb7
[2019-09-07 18:03:38,021 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b88da19aa/8c2fb2032ee04ae78dfc49e0d38a5a00
[2019-09-07 18:03:38,037 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 18:03:38,039 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 18:03:38,041 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 18:03:38,041 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 18:03:38,046 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 18:03:38,048 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:03:38" (1/1) ...
[2019-09-07 18:03:38,052 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3d1f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:03:38, skipping insertion in model container
[2019-09-07 18:03:38,052 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:03:38" (1/1) ...
[2019-09-07 18:03:38,061 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 18:03:40,316 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 18:04:15,365 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 18:04:15,372 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 18:04:35,497 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 18:04:49,149 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 18:04:49,149 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49 WrapperNode
[2019-09-07 18:04:49,149 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 18:04:49,151 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 18:04:49,151 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 18:04:49,151 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 18:04:49,162 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (1/1) ...
[2019-09-07 18:04:49,163 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (1/1) ...
[2019-09-07 18:04:49,853 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (1/1) ...
[2019-09-07 18:04:49,854 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (1/1) ...
[2019-09-07 18:04:53,499 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (1/1) ...
[2019-09-07 18:04:53,924 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (1/1) ...
[2019-09-07 18:04:55,022 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (1/1) ...
[2019-09-07 18:04:55,803 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 18:04:55,804 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 18:04:55,804 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 18:04:55,804 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 18:04:55,805 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (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
[2019-09-07 18:04:55,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 18:04:55,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 18:04:55,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 18:04:55,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 18:04:55,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 18:04:55,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 18:04:55,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 18:04:55,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 18:04:55,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 18:04:55,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 18:04:55,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 18:04:55,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 18:04:55,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 18:04:55,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 18:04:55,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 18:04:55,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 18:04:55,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 18:04:55,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 18:04:55,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 18:04:55,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 18:04:55,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 18:04:55,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 18:04:55,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 18:04:55,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 18:04:55,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 18:04:55,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 18:04:55,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 18:04:55,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 18:04:55,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 18:04:55,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 18:04:55,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 18:04:55,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 18:04:55,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 18:04:55,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 18:04:55,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 18:04:55,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 18:04:55,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 18:04:55,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 18:04:55,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 18:04:55,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 18:04:55,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 18:04:55,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 18:04:55,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 18:04:55,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 18:04:55,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 18:04:55,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 18:04:55,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 18:04:55,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 18:04:55,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2019-09-07 18:04:55,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2019-09-07 18:04:55,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2019-09-07 18:04:55,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2019-09-07 18:04:55,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2019-09-07 18:04:55,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2019-09-07 18:04:55,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2019-09-07 18:04:55,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2019-09-07 18:04:55,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2019-09-07 18:04:55,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2019-09-07 18:04:55,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2019-09-07 18:04:55,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2019-09-07 18:04:55,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2019-09-07 18:04:55,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2019-09-07 18:04:55,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2019-09-07 18:04:55,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2019-09-07 18:04:55,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2019-09-07 18:04:55,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2019-09-07 18:04:55,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2019-09-07 18:04:55,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2019-09-07 18:04:55,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2019-09-07 18:04:55,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2019-09-07 18:04:55,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2019-09-07 18:04:55,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2019-09-07 18:04:55,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2019-09-07 18:04:55,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2019-09-07 18:04:55,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2019-09-07 18:04:55,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2019-09-07 18:04:55,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2019-09-07 18:04:55,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 18:04:55,881 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 18:04:55,882 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 18:04:55,882 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 18:04:55,882 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 18:04:55,882 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 18:04:55,882 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 18:04:55,882 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 18:04:55,883 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 18:04:55,883 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 18:04:55,883 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 18:04:55,883 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 18:04:55,883 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 18:04:55,883 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 18:04:55,884 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 18:04:55,884 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 18:04:55,884 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 18:04:55,884 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 18:04:55,884 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 18:04:55,884 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 18:04:55,884 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 18:04:55,885 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 18:04:55,885 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 18:04:55,885 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 18:04:55,885 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 18:04:55,885 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 18:04:55,885 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 18:04:55,885 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 18:04:55,886 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 18:04:55,886 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 18:04:55,886 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 18:04:55,886 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 18:04:55,886 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 18:04:55,886 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 18:04:55,887 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 18:04:55,887 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 18:04:55,887 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 18:04:55,887 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 18:04:55,887 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 18:04:55,887 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 18:04:55,887 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 18:04:55,888 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 18:04:55,888 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 18:04:55,888 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 18:04:55,888 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 18:04:55,888 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 18:04:55,888 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 18:04:55,888 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2019-09-07 18:04:55,889 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2019-09-07 18:04:55,889 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2019-09-07 18:04:55,889 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2019-09-07 18:04:55,889 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2019-09-07 18:04:55,889 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2019-09-07 18:04:55,889 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2019-09-07 18:04:55,890 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2019-09-07 18:04:55,890 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2019-09-07 18:04:55,890 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2019-09-07 18:04:55,890 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2019-09-07 18:04:55,890 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2019-09-07 18:04:55,890 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2019-09-07 18:04:55,890 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2019-09-07 18:04:55,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2019-09-07 18:04:55,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2019-09-07 18:04:55,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2019-09-07 18:04:55,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2019-09-07 18:04:55,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2019-09-07 18:04:55,891 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2019-09-07 18:04:55,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2019-09-07 18:04:55,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2019-09-07 18:04:55,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2019-09-07 18:04:55,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2019-09-07 18:04:55,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2019-09-07 18:04:55,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2019-09-07 18:04:55,892 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2019-09-07 18:04:55,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2019-09-07 18:04:55,893 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2019-09-07 18:04:55,893 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 18:04:55,893 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 18:04:55,893 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 18:04:55,893 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 18:04:55,894 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 18:04:55,894 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 18:06:30,500 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 18:06:30,501 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 18:06:30,511 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:06:30 BoogieIcfgContainer
[2019-09-07 18:06:30,511 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 18:06:30,512 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 18:06:30,513 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 18:06:30,516 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 18:06:30,516 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 06:03:38" (1/3) ...
[2019-09-07 18:06:30,517 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3749a835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:06:30, skipping insertion in model container
[2019-09-07 18:06:30,517 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:04:49" (2/3) ...
[2019-09-07 18:06:30,517 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3749a835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:06:30, skipping insertion in model container
[2019-09-07 18:06:30,517 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:06:30" (3/3) ...
[2019-09-07 18:06:30,519 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem09_label51.c
[2019-09-07 18:06:30,528 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 18:06:30,542 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 18:06:30,558 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 18:06:30,658 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 18:06:30,659 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 18:06:30,659 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 18:06:30,659 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 18:06:30,659 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 18:06:30,659 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 18:06:30,659 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 18:06:30,659 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 18:06:30,660 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 18:06:30,868 INFO  L276                IsEmpty]: Start isEmpty. Operand 20661 states.
[2019-09-07 18:06:33,678 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16639
[2019-09-07 18:06:33,679 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 18:06:33,692 INFO  L399         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-07 18:06:33,696 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 18:06:33,701 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 18:06:33,709 INFO  L82        PathProgramCache]: Analyzing trace with hash 384225888, now seen corresponding path program 1 times
[2019-09-07 18:06:33,711 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 18:06:33,711 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 18:06:33,755 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 18:06:33,755 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 18:06:33,756 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 18:06:38,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 18:11:03,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 18:11:03,614 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 18:11:03,616 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 18:11:03,647 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 18:11:03,661 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 18:11:03,662 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 18:11:03,665 INFO  L87              Difference]: Start difference. First operand 20661 states. Second operand 3 states.
[2019-09-07 18:12:45,707 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 18:12:45,708 INFO  L93              Difference]: Finished difference Result 59628 states and 113627 transitions.
[2019-09-07 18:12:45,708 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 18:12:45,710 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 16638
[2019-09-07 18:12:45,749 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 18:12:45,979 INFO  L225             Difference]: With dead ends: 59628
[2019-09-07 18:12:45,979 INFO  L226             Difference]: Without dead ends: 38905
[2019-09-07 18:12:46,050 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 76 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 18:12:46,148 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38905 states.
[2019-09-07 18:12:47,370 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38905 to 38649.
[2019-09-07 18:12:47,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 38649 states.
[2019-09-07 18:12:47,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38649 states to 38649 states and 69057 transitions.
[2019-09-07 18:12:47,543 INFO  L78                 Accepts]: Start accepts. Automaton has 38649 states and 69057 transitions. Word has length 16638
[2019-09-07 18:12:47,590 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 18:12:47,590 INFO  L475      AbstractCegarLoop]: Abstraction has 38649 states and 69057 transitions.
[2019-09-07 18:12:47,591 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 18:12:47,591 INFO  L276                IsEmpty]: Start isEmpty. Operand 38649 states and 69057 transitions.
[2019-09-07 18:12:49,935 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16647
[2019-09-07 18:12:49,935 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 18:12:49,945 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2019-09-07 18:12:49,946 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 18:12:49,946 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 18:12:49,955 INFO  L82        PathProgramCache]: Analyzing trace with hash -532477444, now seen corresponding path program 1 times
[2019-09-07 18:12:49,955 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 18:12:49,955 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 18:12:49,961 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 18:12:49,962 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 18:12:49,962 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 18:12:51,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 18:14:18,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 18:14:18,152 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 18:14:18,154 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-09-07 18:14:18,172 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-09-07 18:14:18,172 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-09-07 18:14:18,173 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-09-07 18:14:18,173 INFO  L87              Difference]: Start difference. First operand 38649 states and 69057 transitions. Second operand 5 states.