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_label42.c


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This is Ultimate 0.1.24-112bae1
[2019-09-07 17:53:49,208 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 17:53:49,211 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 17:53:49,223 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 17:53:49,224 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 17:53:49,225 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 17:53:49,226 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-07 17:53:49,228 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-07 17:53:49,230 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 17:53:49,230 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 17:53:49,231 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 17:53:49,233 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 17:53:49,233 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 17:53:49,234 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 17:53:49,235 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 17:53:49,236 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 17:53:49,237 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 17:53:49,237 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 17:53:49,239 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 17:53:49,241 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 17:53:49,242 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 17:53:49,243 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 17:53:49,244 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 17:53:49,245 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 17:53:49,247 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 17:53:49,247 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 17:53:49,247 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 17:53:49,248 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 17:53:49,248 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 17:53:49,249 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 17:53:49,249 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-07 17:53:49,250 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-07 17:53:49,251 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 17:53:49,252 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 17:53:49,253 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 17:53:49,254 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 17:53:49,257 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 17:53:49,257 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 17:53:49,257 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-07 17:53:49,258 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-07 17:53:49,259 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 17:53:49,260 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 17:53:49,276 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 17:53:49,277 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 17:53:49,278 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 17:53:49,278 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 17:53:49,279 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 17:53:49,279 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 17:53:49,279 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 17:53:49,279 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 17:53:49,279 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 17:53:49,280 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 17:53:49,280 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 17:53:49,280 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 17:53:49,280 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 17:53:49,280 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 17:53:49,280 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 17:53:49,281 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 17:53:49,281 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 17:53:49,281 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 17:53:49,281 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 17:53:49,281 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 17:53:49,282 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 17:53:49,282 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 17:53:49,282 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 17:53:49,282 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 17:53:49,282 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 17:53:49,283 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 17:53:49,283 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 17:53:49,283 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 17:53:49,283 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 17:53:49,320 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 17:53:49,333 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 17:53:49,338 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 17:53:49,340 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 17:53:49,340 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 17:53:49,341 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label42.c
[2019-09-07 17:53:49,409 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8986c50a/04f55497bc1d41dea49d9a7d48e9f2d2/FLAG11f2a2abb
[2019-09-07 17:53:53,471 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 17:53:53,472 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label42.c
[2019-09-07 17:53:53,737 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8986c50a/04f55497bc1d41dea49d9a7d48e9f2d2/FLAG11f2a2abb
[2019-09-07 17:53:54,022 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8986c50a/04f55497bc1d41dea49d9a7d48e9f2d2
[2019-09-07 17:53:54,036 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 17:53:54,038 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 17:53:54,039 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 17:53:54,039 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 17:53:54,043 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 17:53:54,044 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:53:54" (1/1) ...
[2019-09-07 17:53:54,046 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122e0d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:53:54, skipping insertion in model container
[2019-09-07 17:53:54,047 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:53:54" (1/1) ...
[2019-09-07 17:53:54,054 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 17:53:55,828 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 17:54:26,025 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 17:54:26,032 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 17:54:47,094 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 17:54:59,038 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 17:54:59,038 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59 WrapperNode
[2019-09-07 17:54:59,039 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 17:54:59,039 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 17:54:59,039 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 17:54:59,040 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 17:54:59,050 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (1/1) ...
[2019-09-07 17:54:59,050 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (1/1) ...
[2019-09-07 17:54:59,609 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (1/1) ...
[2019-09-07 17:54:59,610 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (1/1) ...
[2019-09-07 17:55:02,200 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (1/1) ...
[2019-09-07 17:55:02,573 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (1/1) ...
[2019-09-07 17:55:03,491 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (1/1) ...
[2019-09-07 17:55:11,832 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 17:55:11,832 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 17:55:11,832 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 17:55:11,832 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 17:55:11,833 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (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 17:55:11,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 17:55:11,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 17:55:11,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 17:55:11,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 17:55:11,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 17:55:11,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 17:55:11,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 17:55:11,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 17:55:11,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 17:55:11,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 17:55:11,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 17:55:11,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 17:55:11,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 17:55:11,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 17:55:11,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 17:55:11,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 17:55:11,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 17:55:11,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 17:55:11,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 17:55:11,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 17:55:11,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 17:55:11,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 17:55:11,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 17:55:11,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 17:55:11,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 17:55:11,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 17:55:11,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 17:55:11,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 17:55:11,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 17:55:11,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 17:55:11,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 17:55:11,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 17:55:11,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 17:55:11,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 17:55:11,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 17:55:11,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 17:55:11,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 17:55:11,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 17:55:11,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 17:55:11,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 17:55:11,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 17:55:11,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 17:55:11,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 17:55:11,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 17:55:11,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 17:55:11,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 17:55:11,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 17:55:11,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 17:55:11,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2019-09-07 17:55:11,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2019-09-07 17:55:11,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2019-09-07 17:55:11,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2019-09-07 17:55:11,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2019-09-07 17:55:11,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2019-09-07 17:55:11,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2019-09-07 17:55:11,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2019-09-07 17:55:11,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2019-09-07 17:55:11,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2019-09-07 17:55:11,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2019-09-07 17:55:11,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2019-09-07 17:55:11,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2019-09-07 17:55:11,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2019-09-07 17:55:11,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2019-09-07 17:55:11,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2019-09-07 17:55:11,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2019-09-07 17:55:11,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2019-09-07 17:55:11,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2019-09-07 17:55:11,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2019-09-07 17:55:11,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2019-09-07 17:55:11,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2019-09-07 17:55:11,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2019-09-07 17:55:11,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2019-09-07 17:55:11,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2019-09-07 17:55:11,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2019-09-07 17:55:11,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2019-09-07 17:55:11,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2019-09-07 17:55:11,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2019-09-07 17:55:11,903 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 17:55:11,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 17:55:11,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 17:55:11,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 17:55:11,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 17:55:11,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 17:55:11,903 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 17:55:11,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 17:55:11,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 17:55:11,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 17:55:11,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 17:55:11,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 17:55:11,904 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 17:55:11,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 17:55:11,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 17:55:11,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 17:55:11,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 17:55:11,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 17:55:11,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 17:55:11,905 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 17:55:11,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 17:55:11,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 17:55:11,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 17:55:11,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 17:55:11,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 17:55:11,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 17:55:11,906 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 17:55:11,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 17:55:11,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 17:55:11,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 17:55:11,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 17:55:11,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 17:55:11,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 17:55:11,907 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 17:55:11,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 17:55:11,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 17:55:11,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 17:55:11,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 17:55:11,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 17:55:11,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 17:55:11,908 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 17:55:11,909 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 17:55:11,909 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 17:55:11,909 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 17:55:11,909 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 17:55:11,909 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 17:55:11,909 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 17:55:11,909 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2019-09-07 17:55:11,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2019-09-07 17:55:11,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2019-09-07 17:55:11,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2019-09-07 17:55:11,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2019-09-07 17:55:11,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2019-09-07 17:55:11,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2019-09-07 17:55:11,910 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2019-09-07 17:55:11,911 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2019-09-07 17:55:11,911 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2019-09-07 17:55:11,911 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2019-09-07 17:55:11,911 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2019-09-07 17:55:11,911 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2019-09-07 17:55:11,911 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2019-09-07 17:55:11,912 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2019-09-07 17:55:11,912 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2019-09-07 17:55:11,912 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2019-09-07 17:55:11,912 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2019-09-07 17:55:11,912 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2019-09-07 17:55:11,912 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2019-09-07 17:55:11,912 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2019-09-07 17:55:11,913 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2019-09-07 17:55:11,913 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2019-09-07 17:55:11,913 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2019-09-07 17:55:11,913 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2019-09-07 17:55:11,913 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2019-09-07 17:55:11,913 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2019-09-07 17:55:11,913 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2019-09-07 17:55:11,914 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2019-09-07 17:55:11,914 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 17:55:11,914 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 17:55:11,914 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 17:55:11,914 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 17:55:11,914 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 17:55:11,915 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 17:56:41,872 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 17:56:41,872 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 17:56:41,883 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:56:41 BoogieIcfgContainer
[2019-09-07 17:56:41,883 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 17:56:41,884 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 17:56:41,884 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 17:56:41,887 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 17:56:41,887 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 05:53:54" (1/3) ...
[2019-09-07 17:56:41,888 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaffb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:56:41, skipping insertion in model container
[2019-09-07 17:56:41,888 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:54:59" (2/3) ...
[2019-09-07 17:56:41,888 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaffb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:56:41, skipping insertion in model container
[2019-09-07 17:56:41,889 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:56:41" (3/3) ...
[2019-09-07 17:56:41,890 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem09_label42.c
[2019-09-07 17:56:41,900 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 17:56:41,917 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 17:56:41,936 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 17:56:42,042 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 17:56:42,042 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 17:56:42,043 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 17:56:42,043 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 17:56:42,043 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 17:56:42,043 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 17:56:42,043 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 17:56:42,043 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 17:56:42,043 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 17:56:42,279 INFO  L276                IsEmpty]: Start isEmpty. Operand 20661 states.
[2019-09-07 17:56:45,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16649
[2019-09-07 17:56:45,890 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 17:56:45,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-07 17:56:45,908 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 17:56:45,919 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 17:56:45,930 INFO  L82        PathProgramCache]: Analyzing trace with hash 715676520, now seen corresponding path program 1 times
[2019-09-07 17:56:45,932 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 17:56:45,933 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 17:56:45,986 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 17:56:45,986 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 17:56:45,986 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 17:56:51,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 18:01:27,390 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 18:01:27,393 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 18:01:27,395 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 18:01:27,424 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 18:01:27,440 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 18:01:27,441 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 18:01:27,444 INFO  L87              Difference]: Start difference. First operand 20661 states. Second operand 3 states.
[2019-09-07 18:03:20,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 18:03:20,045 INFO  L93              Difference]: Finished difference Result 59326 states and 113344 transitions.
[2019-09-07 18:03:20,047 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 18:03:20,048 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 16648
[2019-09-07 18:03:20,087 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 18:03:20,351 INFO  L225             Difference]: With dead ends: 59326
[2019-09-07 18:03:20,351 INFO  L226             Difference]: Without dead ends: 38603
[2019-09-07 18:03:20,415 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 18:03:20,519 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38603 states.
[2019-09-07 18:03:21,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38603 to 38222.
[2019-09-07 18:03:21,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 38222 states.
[2019-09-07 18:03:21,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38222 states to 38222 states and 70799 transitions.
[2019-09-07 18:03:21,892 INFO  L78                 Accepts]: Start accepts. Automaton has 38222 states and 70799 transitions. Word has length 16648
[2019-09-07 18:03:21,937 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 18:03:21,937 INFO  L475      AbstractCegarLoop]: Abstraction has 38222 states and 70799 transitions.
[2019-09-07 18:03:21,937 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 18:03:21,938 INFO  L276                IsEmpty]: Start isEmpty. Operand 38222 states and 70799 transitions.
[2019-09-07 18:03:24,417 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16663
[2019-09-07 18:03:24,417 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 18:03:24,426 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:24,427 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 18:03:24,428 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 18:03:24,438 INFO  L82        PathProgramCache]: Analyzing trace with hash -220517384, now seen corresponding path program 1 times
[2019-09-07 18:03:24,438 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 18:03:24,438 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 18:03:24,446 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 18:03:24,446 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 18:03:24,447 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 18:03:25,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 18:05:02,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 18:05:02,058 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 18:05:02,060 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-07 18:05:02,086 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-07 18:05:02,086 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-07 18:05:02,088 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-07 18:05:02,088 INFO  L87              Difference]: Start difference. First operand 38222 states and 70799 transitions. Second operand 6 states.