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/Problem08_label57.c


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This is Ultimate 0.1.24-112bae1
[2019-09-07 17:15:56,123 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 17:15:56,126 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 17:15:56,146 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 17:15:56,146 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 17:15:56,148 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 17:15:56,150 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-07 17:15:56,162 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-07 17:15:56,167 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 17:15:56,168 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 17:15:56,169 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 17:15:56,172 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 17:15:56,173 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 17:15:56,176 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 17:15:56,179 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 17:15:56,181 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 17:15:56,182 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 17:15:56,186 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 17:15:56,188 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 17:15:56,194 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 17:15:56,199 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 17:15:56,200 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 17:15:56,204 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 17:15:56,205 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 17:15:56,207 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 17:15:56,208 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 17:15:56,208 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 17:15:56,210 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 17:15:56,212 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 17:15:56,214 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 17:15:56,214 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-07 17:15:56,216 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-07 17:15:56,217 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 17:15:56,218 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 17:15:56,221 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 17:15:56,221 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 17:15:56,222 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 17:15:56,222 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 17:15:56,222 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-07 17:15:56,225 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 17:15:56,227 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 17:15:56,254 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 17:15:56,255 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 17:15:56,258 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 17:15:56,258 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 17:15:56,258 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 17:15:56,259 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 17:15:56,259 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 17:15:56,259 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 17:15:56,259 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 17:15:56,259 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 17:15:56,260 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 17:15:56,261 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 17:15:56,261 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 17:15:56,261 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 17:15:56,262 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 17:15:56,262 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 17:15:56,262 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 17:15:56,262 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 17:15:56,262 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 17:15:56,263 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 17:15:56,263 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 17:15:56,263 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 17:15:56,263 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 17:15:56,263 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 17:15:56,264 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 17:15:56,264 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 17:15:56,264 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 17:15:56,264 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 17:15:56,264 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 17:15:56,320 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 17:15:56,337 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 17:15:56,343 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 17:15:56,344 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 17:15:56,345 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 17:15:56,345 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label57.c
[2019-09-07 17:15:56,423 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999dace7e/0424406f442d4781b401c72eeb934c2d/FLAG47f584f50
[2019-09-07 17:16:00,516 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 17:16:00,517 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label57.c
[2019-09-07 17:16:00,726 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999dace7e/0424406f442d4781b401c72eeb934c2d/FLAG47f584f50
[2019-09-07 17:16:01,164 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999dace7e/0424406f442d4781b401c72eeb934c2d
[2019-09-07 17:16:01,175 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 17:16:01,177 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 17:16:01,178 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 17:16:01,178 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 17:16:01,182 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 17:16:01,183 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:16:01" (1/1) ...
[2019-09-07 17:16:01,185 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddf16cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:16:01, skipping insertion in model container
[2019-09-07 17:16:01,186 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:16:01" (1/1) ...
[2019-09-07 17:16:01,193 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 17:16:03,276 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 17:16:30,999 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 17:16:31,008 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 17:16:53,431 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 17:17:04,482 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 17:17:04,482 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04 WrapperNode
[2019-09-07 17:17:04,483 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 17:17:04,484 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 17:17:04,484 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 17:17:04,484 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 17:17:04,495 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (1/1) ...
[2019-09-07 17:17:04,495 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (1/1) ...
[2019-09-07 17:17:05,207 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (1/1) ...
[2019-09-07 17:17:05,208 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (1/1) ...
[2019-09-07 17:17:08,500 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (1/1) ...
[2019-09-07 17:17:08,860 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (1/1) ...
[2019-09-07 17:17:09,687 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (1/1) ...
[2019-09-07 17:17:10,422 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 17:17:10,423 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 17:17:10,423 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 17:17:10,423 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 17:17:10,425 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (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
[2019-09-07 17:17:10,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 17:17:10,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 17:17:10,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 17:17:10,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 17:17:10,492 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 17:17:10,492 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 17:17:10,492 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 17:17:10,493 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 17:17:10,493 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 17:17:10,493 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 17:17:10,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 17:17:10,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 17:17:10,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 17:17:10,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 17:17:10,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 17:17:10,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 17:17:10,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 17:17:10,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 17:17:10,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 17:17:10,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 17:17:10,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 17:17:10,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 17:17:10,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 17:17:10,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 17:17:10,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 17:17:10,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 17:17:10,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 17:17:10,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 17:17:10,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 17:17:10,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 17:17:10,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 17:17:10,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 17:17:10,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 17:17:10,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 17:17:10,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 17:17:10,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 17:17:10,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 17:17:10,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 17:17:10,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 17:17:10,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 17:17:10,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 17:17:10,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 17:17:10,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 17:17:10,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 17:17:10,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 17:17:10,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 17:17:10,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 17:17:10,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 17:17:10,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2019-09-07 17:17:10,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2019-09-07 17:17:10,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2019-09-07 17:17:10,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2019-09-07 17:17:10,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2019-09-07 17:17:10,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2019-09-07 17:17:10,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2019-09-07 17:17:10,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2019-09-07 17:17:10,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2019-09-07 17:17:10,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2019-09-07 17:17:10,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2019-09-07 17:17:10,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2019-09-07 17:17:10,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2019-09-07 17:17:10,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2019-09-07 17:17:10,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2019-09-07 17:17:10,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2019-09-07 17:17:10,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2019-09-07 17:17:10,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2019-09-07 17:17:10,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2019-09-07 17:17:10,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2019-09-07 17:17:10,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2019-09-07 17:17:10,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2019-09-07 17:17:10,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2019-09-07 17:17:10,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2019-09-07 17:17:10,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2019-09-07 17:17:10,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2019-09-07 17:17:10,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2019-09-07 17:17:10,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2019-09-07 17:17:10,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2019-09-07 17:17:10,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output76
[2019-09-07 17:17:10,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output77
[2019-09-07 17:17:10,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output78
[2019-09-07 17:17:10,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output79
[2019-09-07 17:17:10,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output80
[2019-09-07 17:17:10,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output81
[2019-09-07 17:17:10,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output82
[2019-09-07 17:17:10,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 17:17:10,510 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 17:17:10,510 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 17:17:10,511 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 17:17:10,511 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 17:17:10,511 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 17:17:10,512 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 17:17:10,512 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 17:17:10,512 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 17:17:10,512 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 17:17:10,513 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 17:17:10,513 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 17:17:10,513 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 17:17:10,513 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 17:17:10,513 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 17:17:10,513 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 17:17:10,513 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 17:17:10,514 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 17:17:10,514 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 17:17:10,514 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 17:17:10,514 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 17:17:10,514 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 17:17:10,514 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 17:17:10,515 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 17:17:10,515 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 17:17:10,515 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 17:17:10,515 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 17:17:10,516 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 17:17:10,516 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 17:17:10,516 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 17:17:10,516 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 17:17:10,516 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 17:17:10,516 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 17:17:10,516 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 17:17:10,517 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 17:17:10,517 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 17:17:10,517 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 17:17:10,517 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 17:17:10,517 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 17:17:10,518 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 17:17:10,518 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 17:17:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 17:17:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 17:17:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 17:17:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 17:17:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 17:17:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 17:17:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2019-09-07 17:17:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2019-09-07 17:17:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2019-09-07 17:17:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2019-09-07 17:17:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2019-09-07 17:17:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2019-09-07 17:17:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2019-09-07 17:17:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2019-09-07 17:17:10,522 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2019-09-07 17:17:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2019-09-07 17:17:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2019-09-07 17:17:10,526 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2019-09-07 17:17:10,526 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2019-09-07 17:17:10,532 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2019-09-07 17:17:10,532 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2019-09-07 17:17:10,532 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2019-09-07 17:17:10,532 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2019-09-07 17:17:10,532 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2019-09-07 17:17:10,533 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2019-09-07 17:17:10,534 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2019-09-07 17:17:10,534 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2019-09-07 17:17:10,534 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2019-09-07 17:17:10,534 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output76
[2019-09-07 17:17:10,535 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output77
[2019-09-07 17:17:10,535 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output78
[2019-09-07 17:17:10,535 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output79
[2019-09-07 17:17:10,535 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output80
[2019-09-07 17:17:10,535 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output81
[2019-09-07 17:17:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output82
[2019-09-07 17:17:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 17:17:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 17:17:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 17:17:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 17:17:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 17:17:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 17:18:42,209 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 17:18:42,209 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 17:18:42,219 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:18:42 BoogieIcfgContainer
[2019-09-07 17:18:42,220 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 17:18:42,220 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 17:18:42,220 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 17:18:42,223 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 17:18:42,223 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 05:16:01" (1/3) ...
[2019-09-07 17:18:42,223 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a912170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:18:42, skipping insertion in model container
[2019-09-07 17:18:42,224 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:17:04" (2/3) ...
[2019-09-07 17:18:42,224 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a912170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:18:42, skipping insertion in model container
[2019-09-07 17:18:42,224 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:18:42" (3/3) ...
[2019-09-07 17:18:42,226 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem08_label57.c
[2019-09-07 17:18:42,235 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 17:18:42,250 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 17:18:42,267 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 17:18:42,376 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 17:18:42,377 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 17:18:42,377 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 17:18:42,378 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 17:18:42,378 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 17:18:42,378 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 17:18:42,378 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 17:18:42,378 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 17:18:42,378 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 17:18:42,644 INFO  L276                IsEmpty]: Start isEmpty. Operand 23548 states.
[2019-09-07 17:18:46,395 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18073
[2019-09-07 17:18:46,396 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 17:18:46,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:46,414 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 17:18:46,423 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 17:18:46,439 INFO  L82        PathProgramCache]: Analyzing trace with hash 417368309, now seen corresponding path program 1 times
[2019-09-07 17:18:46,441 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 17:18:46,445 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 17:18:46,508 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 17:18:46,508 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 17:18:46,508 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 17:18:50,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 17:23:41,879 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 17:23:41,881 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 17:23:41,883 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 17:23:41,917 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 17:23:41,932 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 17:23:41,933 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 17:23:41,935 INFO  L87              Difference]: Start difference. First operand 23548 states. Second operand 3 states.
[2019-09-07 17:25:20,689 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 17:25:20,689 INFO  L93              Difference]: Finished difference Result 66786 states and 126140 transitions.
[2019-09-07 17:25:20,690 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 17:25:20,691 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 18072
[2019-09-07 17:25:20,734 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 17:25:20,964 INFO  L225             Difference]: With dead ends: 66786
[2019-09-07 17:25:20,964 INFO  L226             Difference]: Without dead ends: 43176
[2019-09-07 17:25:21,024 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 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 17:25:21,120 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43176 states.
[2019-09-07 17:25:22,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43176 to 43062.
[2019-09-07 17:25:22,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 43062 states.
[2019-09-07 17:25:22,306 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43062 states to 43062 states and 72873 transitions.
[2019-09-07 17:25:22,309 INFO  L78                 Accepts]: Start accepts. Automaton has 43062 states and 72873 transitions. Word has length 18072
[2019-09-07 17:25:22,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 17:25:22,343 INFO  L475      AbstractCegarLoop]: Abstraction has 43062 states and 72873 transitions.
[2019-09-07 17:25:22,343 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 17:25:22,343 INFO  L276                IsEmpty]: Start isEmpty. Operand 43062 states and 72873 transitions.
[2019-09-07 17:25:25,317 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18082
[2019-09-07 17:25:25,317 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 17:25:25,327 INFO  L399         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 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[2019-09-07 17:25:25,328 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 17:25:25,329 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 17:25:25,340 INFO  L82        PathProgramCache]: Analyzing trace with hash 273246325, now seen corresponding path program 1 times
[2019-09-07 17:25:25,341 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 17:25:25,341 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 17:25:25,349 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 17:25:25,349 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 17:25:25,350 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 17:25:26,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 17:27:05,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 17:27:05,560 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 17:27:05,562 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-07 17:27:05,579 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-07 17:27:05,580 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-07 17:27:05,580 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-07 17:27:05,581 INFO  L87              Difference]: Start difference. First operand 43062 states and 72873 transitions. Second operand 6 states.