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/Problem07_label02.c


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This is Ultimate 0.1.24-112bae1
[2019-09-07 15:33:32,095 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 15:33:32,097 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 15:33:32,115 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 15:33:32,115 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 15:33:32,117 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 15:33:32,119 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-07 15:33:32,128 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-07 15:33:32,132 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 15:33:32,135 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 15:33:32,137 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 15:33:32,139 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 15:33:32,139 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 15:33:32,141 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 15:33:32,144 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 15:33:32,145 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 15:33:32,147 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 15:33:32,148 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 15:33:32,150 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 15:33:32,155 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 15:33:32,159 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 15:33:32,161 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 15:33:32,163 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 15:33:32,164 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 15:33:32,166 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 15:33:32,166 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 15:33:32,166 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 15:33:32,168 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 15:33:32,169 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 15:33:32,170 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 15:33:32,170 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-09-07 15:33:32,173 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 15:33:32,174 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 15:33:32,176 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 15:33:32,176 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 15:33:32,176 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 15:33:32,177 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 15:33:32,177 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-07 15:33:32,178 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 15:33:32,180 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 15:33:32,208 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 15:33:32,208 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 15:33:32,210 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 15:33:32,211 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 15:33:32,211 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 15:33:32,211 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 15:33:32,211 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 15:33:32,212 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 15:33:32,212 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 15:33:32,212 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 15:33:32,213 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 15:33:32,213 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 15:33:32,213 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 15:33:32,214 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 15:33:32,214 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 15:33:32,214 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 15:33:32,214 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 15:33:32,214 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 15:33:32,215 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 15:33:32,215 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 15:33:32,215 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 15:33:32,215 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 15:33:32,215 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 15:33:32,216 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 15:33:32,216 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 15:33:32,216 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 15:33:32,216 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 15:33:32,216 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 15:33:32,217 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 15:33:32,267 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 15:33:32,284 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 15:33:32,288 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 15:33:32,289 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 15:33:32,292 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 15:33:32,292 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label02.c
[2019-09-07 15:33:32,361 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6780be32/ec1f6debce0544709076b2ab2fac3a77/FLAGa32bf0fa1
[2019-09-07 15:33:34,530 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 15:33:34,531 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label02.c
[2019-09-07 15:33:34,680 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6780be32/ec1f6debce0544709076b2ab2fac3a77/FLAGa32bf0fa1
[2019-09-07 15:33:34,730 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6780be32/ec1f6debce0544709076b2ab2fac3a77
[2019-09-07 15:33:34,741 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 15:33:34,742 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 15:33:34,743 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 15:33:34,743 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 15:33:34,747 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 15:33:34,748 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:33:34" (1/1) ...
[2019-09-07 15:33:34,750 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f89b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:34, skipping insertion in model container
[2019-09-07 15:33:34,750 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:33:34" (1/1) ...
[2019-09-07 15:33:34,758 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 15:33:35,879 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 15:33:48,536 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 15:33:48,542 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 15:33:58,062 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 15:33:58,658 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 15:33:58,658 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58 WrapperNode
[2019-09-07 15:33:58,658 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 15:33:58,659 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 15:33:58,659 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 15:33:58,660 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 15:33:58,670 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (1/1) ...
[2019-09-07 15:33:58,670 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (1/1) ...
[2019-09-07 15:33:59,077 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (1/1) ...
[2019-09-07 15:33:59,077 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (1/1) ...
[2019-09-07 15:34:00,711 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (1/1) ...
[2019-09-07 15:34:00,870 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (1/1) ...
[2019-09-07 15:34:01,172 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (1/1) ...
[2019-09-07 15:34:01,574 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 15:34:01,574 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 15:34:01,575 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 15:34:01,575 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 15:34:01,576 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (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 15:34:01,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 15:34:01,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 15:34:01,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 15:34:01,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 15:34:01,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 15:34:01,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 15:34:01,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 15:34:01,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 15:34:01,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 15:34:01,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 15:34:01,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 15:34:01,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 15:34:01,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 15:34:01,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 15:34:01,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 15:34:01,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 15:34:01,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 15:34:01,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 15:34:01,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 15:34:01,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 15:34:01,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 15:34:01,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 15:34:01,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 15:34:01,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 15:34:01,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 15:34:01,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 15:34:01,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 15:34:01,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 15:34:01,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 15:34:01,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 15:34:01,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 15:34:01,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 15:34:01,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 15:34:01,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 15:34:01,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 15:34:01,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 15:34:01,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 15:34:01,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 15:34:01,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 15:34:01,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 15:34:01,651 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 15:34:01,651 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 15:34:01,652 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 15:34:01,653 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 15:34:01,654 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 15:34:01,654 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 15:34:01,654 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 15:34:01,654 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 15:34:01,654 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 15:34:01,654 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 15:34:01,654 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 15:34:01,655 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 15:34:01,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 15:34:01,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 15:34:01,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 15:34:01,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 15:34:01,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 15:34:01,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 15:34:01,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 15:34:01,657 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 15:34:01,657 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 15:34:01,657 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 15:34:01,657 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 15:34:01,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 15:34:01,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 15:34:50,528 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 15:34:50,528 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 15:34:50,945 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:34:50 BoogieIcfgContainer
[2019-09-07 15:34:50,945 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 15:34:50,946 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 15:34:50,949 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 15:34:50,955 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 15:34:50,956 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 03:33:34" (1/3) ...
[2019-09-07 15:34:50,957 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ca99ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:34:50, skipping insertion in model container
[2019-09-07 15:34:50,957 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:33:58" (2/3) ...
[2019-09-07 15:34:50,957 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ca99ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:34:50, skipping insertion in model container
[2019-09-07 15:34:50,957 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:34:50" (3/3) ...
[2019-09-07 15:34:50,959 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem07_label02.c
[2019-09-07 15:34:50,970 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 15:34:50,985 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 15:34:51,003 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 15:34:51,072 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 15:34:51,073 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 15:34:51,073 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 15:34:51,073 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 15:34:51,073 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 15:34:51,073 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 15:34:51,073 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 15:34:51,074 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 15:34:51,074 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 15:34:51,223 INFO  L276                IsEmpty]: Start isEmpty. Operand 10446 states.
[2019-09-07 15:34:52,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10242
[2019-09-07 15:34:52,256 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:34:52,265 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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[2019-09-07 15:34:52,269 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:34:52,278 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:34:52,285 INFO  L82        PathProgramCache]: Analyzing trace with hash -495989819, now seen corresponding path program 1 times
[2019-09-07 15:34:52,287 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:34:52,288 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:34:52,336 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:34:52,336 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:34:52,337 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:34:54,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:36:37,825 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 15:36:37,828 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 15:36:37,830 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 15:36:37,848 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 15:36:37,862 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 15:36:37,863 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 15:36:37,865 INFO  L87              Difference]: Start difference. First operand 10446 states. Second operand 3 states.
[2019-09-07 15:37:32,808 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:37:32,808 INFO  L93              Difference]: Finished difference Result 31264 states and 61877 transitions.
[2019-09-07 15:37:32,810 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 15:37:32,811 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10241
[2019-09-07 15:37:32,838 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:37:33,035 INFO  L225             Difference]: With dead ends: 31264
[2019-09-07 15:37:33,035 INFO  L226             Difference]: Without dead ends: 20756
[2019-09-07 15:37:33,081 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 48 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 15:37:33,142 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20756 states.
[2019-09-07 15:37:33,815 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20756 to 20756.
[2019-09-07 15:37:33,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20756 states.
[2019-09-07 15:37:33,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20756 states to 20756 states and 36022 transitions.
[2019-09-07 15:37:33,910 INFO  L78                 Accepts]: Start accepts. Automaton has 20756 states and 36022 transitions. Word has length 10241
[2019-09-07 15:37:33,941 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:37:33,941 INFO  L475      AbstractCegarLoop]: Abstraction has 20756 states and 36022 transitions.
[2019-09-07 15:37:33,941 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 15:37:33,942 INFO  L276                IsEmpty]: Start isEmpty. Operand 20756 states and 36022 transitions.
[2019-09-07 15:37:35,248 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10250
[2019-09-07 15:37:35,248 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:37:35,254 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2019-09-07 15:37:35,255 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:37:35,256 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:37:35,260 INFO  L82        PathProgramCache]: Analyzing trace with hash -1400086639, now seen corresponding path program 1 times
[2019-09-07 15:37:35,260 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:37:35,260 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:37:35,263 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:37:35,264 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:37:35,264 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:37:36,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:39:11,332 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:39:11,333 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2019-09-07 15:39:11,333 INFO  L223   ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2019-09-07 15:39:11,355 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:39:14,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:39:14,275 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12273 conjuncts, 94 conjunts are in the unsatisfiable core
[2019-09-07 15:39:14,482 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-09-07 15:40:15,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:40:15,052 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2019-09-07 15:40:15,055 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2019-09-07 15:40:15,079 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-09-07 15:40:15,080 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-09-07 15:40:15,080 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-09-07 15:40:15,081 INFO  L87              Difference]: Start difference. First operand 20756 states and 36022 transitions. Second operand 7 states.
[2019-09-07 15:43:46,161 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:43:46,161 INFO  L93              Difference]: Finished difference Result 146929 states and 266341 transitions.
[2019-09-07 15:43:46,163 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2019-09-07 15:43:46,163 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 10249
[2019-09-07 15:43:46,179 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:43:50,181 INFO  L225             Difference]: With dead ends: 146929
[2019-09-07 15:43:50,182 INFO  L226             Difference]: Without dead ends: 126179
[2019-09-07 15:43:50,259 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 10323 GetRequests, 10307 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306
[2019-09-07 15:43:50,373 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126179 states.
[2019-09-07 15:43:53,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126179 to 126179.
[2019-09-07 15:43:53,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 126179 states.
[2019-09-07 15:43:53,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126179 states to 126179 states and 202794 transitions.
[2019-09-07 15:43:53,328 INFO  L78                 Accepts]: Start accepts. Automaton has 126179 states and 202794 transitions. Word has length 10249
[2019-09-07 15:43:53,338 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:43:53,339 INFO  L475      AbstractCegarLoop]: Abstraction has 126179 states and 202794 transitions.
[2019-09-07 15:43:53,339 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-09-07 15:43:53,339 INFO  L276                IsEmpty]: Start isEmpty. Operand 126179 states and 202794 transitions.
[2019-09-07 15:43:54,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10444
[2019-09-07 15:43:54,940 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:43:54,947 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2019-09-07 15:43:54,948 INFO  L418      AbstractCegarLoop]: === Iteration 3 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:43:54,948 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:43:54,950 INFO  L82        PathProgramCache]: Analyzing trace with hash -861226027, now seen corresponding path program 1 times
[2019-09-07 15:43:54,950 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:43:54,951 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:43:54,953 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:43:54,953 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:43:54,954 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:43:55,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:44:33,671 INFO  L134       CoverageAnalysis]: Checked inductivity of 199 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:44:33,672 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 15:44:33,672 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-07 15:44:33,682 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-07 15:44:33,683 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-07 15:44:33,683 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-07 15:44:33,683 INFO  L87              Difference]: Start difference. First operand 126179 states and 202794 transitions. Second operand 6 states.
[2019-09-07 15:45:57,364 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:45:57,365 INFO  L93              Difference]: Finished difference Result 324307 states and 557115 transitions.
[2019-09-07 15:45:57,365 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-09-07 15:45:57,365 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 10443
[2019-09-07 15:45:57,366 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:45:58,212 INFO  L225             Difference]: With dead ends: 324307
[2019-09-07 15:45:58,213 INFO  L226             Difference]: Without dead ends: 198134
[2019-09-07 15:45:58,516 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2019-09-07 15:45:58,715 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 198134 states.
[2019-09-07 15:46:03,062 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 198134 to 196571.
[2019-09-07 15:46:03,062 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 196571 states.
[2019-09-07 15:46:03,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 196571 states to 196571 states and 319496 transitions.
[2019-09-07 15:46:03,542 INFO  L78                 Accepts]: Start accepts. Automaton has 196571 states and 319496 transitions. Word has length 10443
[2019-09-07 15:46:03,544 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:46:03,544 INFO  L475      AbstractCegarLoop]: Abstraction has 196571 states and 319496 transitions.
[2019-09-07 15:46:03,544 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-09-07 15:46:03,544 INFO  L276                IsEmpty]: Start isEmpty. Operand 196571 states and 319496 transitions.