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_label10.c


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This is Ultimate 0.1.24-112bae1
[2019-09-07 15:37:32,565 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 15:37:32,567 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 15:37:32,582 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 15:37:32,582 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 15:37:32,583 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 15:37:32,584 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2019-09-07 15:37:32,589 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2019-09-07 15:37:32,591 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 15:37:32,591 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 15:37:32,592 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 15:37:32,593 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 15:37:32,594 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 15:37:32,595 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 15:37:32,595 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 15:37:32,597 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 15:37:32,599 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 15:37:32,601 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 15:37:32,602 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 15:37:32,603 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 15:37:32,603 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 15:37:32,607 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 15:37:32,607 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 15:37:32,607 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 15:37:32,608 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 15:37:32,609 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 15:37:32,610 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 15:37:32,610 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-09-07 15:37:32,611 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 15:37:32,612 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 15:37:32,613 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 15:37:32,613 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-09-07 15:37:32,614 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-07 15:37:32,617 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 15:37:32,617 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 15:37:32,645 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 15:37:32,645 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 15:37:32,647 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 15:37:32,647 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 15:37:32,648 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 15:37:32,648 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 15:37:32,648 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 15:37:32,648 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 15:37:32,648 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 15:37:32,649 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 15:37:32,650 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 15:37:32,650 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 15:37:32,650 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 15:37:32,650 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 15:37:32,651 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 15:37:32,651 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 15:37:32,651 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 15:37:32,651 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 15:37:32,651 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 15:37:32,652 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 15:37:32,652 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 15:37:32,652 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 15:37:32,652 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 15:37:32,653 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 15:37:32,653 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 15:37:32,653 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 15:37:32,653 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 15:37:32,654 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 15:37:32,654 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 15:37:32,690 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 15:37:32,704 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 15:37:32,707 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 15:37:32,709 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 15:37:32,709 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 15:37:32,710 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label10.c
[2019-09-07 15:37:32,765 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b89b53c/fa06083aea574637b6a17be8cbda1afd/FLAGe563d0a72
[2019-09-07 15:37:35,231 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 15:37:35,232 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label10.c
[2019-09-07 15:37:35,414 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b89b53c/fa06083aea574637b6a17be8cbda1afd/FLAGe563d0a72
[2019-09-07 15:37:35,735 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b89b53c/fa06083aea574637b6a17be8cbda1afd
[2019-09-07 15:37:35,745 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 15:37:35,747 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 15:37:35,748 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 15:37:35,749 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 15:37:35,752 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 15:37:35,753 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:37:35" (1/1) ...
[2019-09-07 15:37:35,756 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4db4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:37:35, skipping insertion in model container
[2019-09-07 15:37:35,756 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:37:35" (1/1) ...
[2019-09-07 15:37:35,764 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 15:37:37,037 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 15:37:49,956 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 15:37:49,962 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 15:38:00,037 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 15:38:00,739 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 15:38:00,739 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00 WrapperNode
[2019-09-07 15:38:00,739 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 15:38:00,741 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 15:38:00,741 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 15:38:00,741 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 15:38:00,756 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (1/1) ...
[2019-09-07 15:38:00,756 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (1/1) ...
[2019-09-07 15:38:01,193 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (1/1) ...
[2019-09-07 15:38:01,194 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (1/1) ...
[2019-09-07 15:38:02,944 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (1/1) ...
[2019-09-07 15:38:03,171 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (1/1) ...
[2019-09-07 15:38:03,533 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (1/1) ...
[2019-09-07 15:38:03,991 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 15:38:03,992 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 15:38:03,992 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 15:38:03,992 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 15:38:03,993 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (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 15:38:04,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 15:38:04,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 15:38:04,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 15:38:04,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 15:38:04,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 15:38:04,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 15:38:04,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 15:38:04,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 15:38:04,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 15:38:04,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 15:38:04,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 15:38:04,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 15:38:04,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 15:38:04,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 15:38:04,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 15:38:04,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 15:38:04,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 15:38:04,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 15:38:04,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 15:38:04,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 15:38:04,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 15:38:04,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 15:38:04,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 15:38:04,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 15:38:04,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 15:38:04,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 15:38:04,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 15:38:04,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 15:38:04,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 15:38:04,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 15:38:04,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 15:38:04,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 15:38:04,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 15:38:04,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 15:38:04,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 15:38:04,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 15:38:04,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 15:38:04,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 15:38:04,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 15:38:04,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 15:38:04,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 15:38:04,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 15:38:04,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 15:38:04,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 15:38:04,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 15:38:04,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 15:38:04,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 15:38:04,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 15:38:04,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 15:38:04,061 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 15:38:04,061 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 15:38:04,061 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 15:38:04,062 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 15:38:04,062 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 15:38:04,062 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 15:38:04,062 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 15:38:04,062 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 15:38:04,062 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 15:38:04,062 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 15:38:04,063 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 15:38:04,063 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 15:38:04,063 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 15:38:04,063 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 15:38:04,063 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 15:38:04,063 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 15:38:04,064 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 15:38:04,064 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 15:38:04,064 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 15:38:04,064 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 15:38:04,064 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 15:38:04,064 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 15:38:04,064 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 15:38:04,065 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 15:38:04,065 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 15:38:04,065 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 15:38:04,065 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 15:38:04,065 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 15:38:04,065 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 15:38:04,066 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 15:38:04,066 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 15:38:04,066 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 15:38:04,066 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 15:38:04,066 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 15:38:04,066 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 15:38:04,067 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 15:38:04,067 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 15:38:04,067 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 15:38:04,067 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 15:38:04,067 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 15:38:04,067 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 15:38:04,067 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 15:38:04,068 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 15:38:04,068 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 15:38:04,068 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 15:38:04,068 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 15:38:04,068 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 15:38:04,068 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 15:38:04,069 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 15:38:04,069 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 15:38:04,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 15:38:04,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 15:38:55,865 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 15:38:55,865 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 15:38:55,871 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:38:55 BoogieIcfgContainer
[2019-09-07 15:38:55,871 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 15:38:55,872 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 15:38:55,873 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 15:38:55,876 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 15:38:55,876 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 03:37:35" (1/3) ...
[2019-09-07 15:38:55,878 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5268e2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:38:55, skipping insertion in model container
[2019-09-07 15:38:55,878 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:38:00" (2/3) ...
[2019-09-07 15:38:55,878 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5268e2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:38:55, skipping insertion in model container
[2019-09-07 15:38:55,878 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:38:55" (3/3) ...
[2019-09-07 15:38:55,880 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem07_label10.c
[2019-09-07 15:38:55,890 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 15:38:55,901 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 15:38:55,918 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 15:38:55,984 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 15:38:55,984 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 15:38:55,985 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 15:38:55,985 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 15:38:55,985 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 15:38:55,985 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 15:38:55,985 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 15:38:55,985 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 15:38:55,985 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 15:38:56,118 INFO  L276                IsEmpty]: Start isEmpty. Operand 10446 states.
[2019-09-07 15:38:57,100 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10218
[2019-09-07 15:38:57,101 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:38:57,111 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 15:38:57,114 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:38:57,122 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:38:57,128 INFO  L82        PathProgramCache]: Analyzing trace with hash 1400784869, now seen corresponding path program 1 times
[2019-09-07 15:38:57,131 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:38:57,131 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:38:57,182 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:38:57,182 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:38:57,182 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:38:59,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:40:39,284 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 15:40:39,287 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 15:40:39,289 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-09-07 15:40:39,312 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-09-07 15:40:39,326 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-09-07 15:40:39,328 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-09-07 15:40:39,330 INFO  L87              Difference]: Start difference. First operand 10446 states. Second operand 4 states.
[2019-09-07 15:42:06,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:42:06,946 INFO  L93              Difference]: Finished difference Result 41642 states and 82628 transitions.
[2019-09-07 15:42:06,951 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-09-07 15:42:06,953 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10217
[2019-09-07 15:42:06,974 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:42:07,150 INFO  L225             Difference]: With dead ends: 41642
[2019-09-07 15:42:07,150 INFO  L226             Difference]: Without dead ends: 31130
[2019-09-07 15:42:07,180 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 47 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-09-07 15:42:07,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31130 states.
[2019-09-07 15:42:07,777 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31130 to 20756.
[2019-09-07 15:42:07,778 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20756 states.
[2019-09-07 15:42:07,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20756 states to 20756 states and 38416 transitions.
[2019-09-07 15:42:07,861 INFO  L78                 Accepts]: Start accepts. Automaton has 20756 states and 38416 transitions. Word has length 10217
[2019-09-07 15:42:07,881 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:42:07,882 INFO  L475      AbstractCegarLoop]: Abstraction has 20756 states and 38416 transitions.
[2019-09-07 15:42:07,882 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-09-07 15:42:07,882 INFO  L276                IsEmpty]: Start isEmpty. Operand 20756 states and 38416 transitions.
[2019-09-07 15:42:08,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10226
[2019-09-07 15:42:08,945 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:42:08,950 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 15:42:08,951 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:42:08,952 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:42:08,958 INFO  L82        PathProgramCache]: Analyzing trace with hash 1653768113, now seen corresponding path program 1 times
[2019-09-07 15:42:08,958 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:42:08,958 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:42:08,961 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:42:08,962 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:42:08,962 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:42:10,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:43:40,582 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 15:43:40,583 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 15:43:40,585 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 15:43:40,600 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 15:43:40,600 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 15:43:40,601 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 15:43:40,601 INFO  L87              Difference]: Start difference. First operand 20756 states and 38416 transitions. Second operand 3 states.
[2019-09-07 15:44:43,350 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:44:43,351 INFO  L93              Difference]: Finished difference Result 62254 states and 115787 transitions.
[2019-09-07 15:44:43,351 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 15:44:43,351 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10225
[2019-09-07 15:44:43,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:44:43,555 INFO  L225             Difference]: With dead ends: 62254
[2019-09-07 15:44:43,556 INFO  L226             Difference]: Without dead ends: 41504
[2019-09-07 15:44:43,623 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 46 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 15:44:43,706 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41504 states.
[2019-09-07 15:44:44,609 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41504 to 41504.
[2019-09-07 15:44:44,610 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 41504 states.
[2019-09-07 15:44:44,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41504 states to 41504 states and 76052 transitions.
[2019-09-07 15:44:44,736 INFO  L78                 Accepts]: Start accepts. Automaton has 41504 states and 76052 transitions. Word has length 10225
[2019-09-07 15:44:44,753 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:44:44,753 INFO  L475      AbstractCegarLoop]: Abstraction has 41504 states and 76052 transitions.
[2019-09-07 15:44:44,753 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 15:44:44,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 41504 states and 76052 transitions.
[2019-09-07 15:44:46,413 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10268
[2019-09-07 15:44:46,414 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:44:46,421 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:46,422 INFO  L418      AbstractCegarLoop]: === Iteration 3 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:44:46,424 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:44:46,428 INFO  L82        PathProgramCache]: Analyzing trace with hash -1823373883, now seen corresponding path program 1 times
[2019-09-07 15:44:46,429 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:44:46,429 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:44:46,434 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:44:46,434 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:44:46,436 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:44:47,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:45:18,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:45:18,583 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 15:45:18,584 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-07 15:45:18,589 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-07 15:45:18,589 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-07 15:45:18,590 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-07 15:45:18,590 INFO  L87              Difference]: Start difference. First operand 41504 states and 76052 transitions. Second operand 6 states.
[2019-09-07 15:46:42,059 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:46:42,059 INFO  L93              Difference]: Finished difference Result 126685 states and 234955 transitions.
[2019-09-07 15:46:42,060 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-09-07 15:46:42,060 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 10267
[2019-09-07 15:46:42,060 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:46:42,312 INFO  L225             Difference]: With dead ends: 126685
[2019-09-07 15:46:42,313 INFO  L226             Difference]: Without dead ends: 85187
[2019-09-07 15:46:42,416 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 15:46:42,632 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85187 states.
[2019-09-07 15:46:44,138 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85187 to 84631.
[2019-09-07 15:46:44,138 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 84631 states.
[2019-09-07 15:46:44,344 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84631 states to 84631 states and 150871 transitions.
[2019-09-07 15:46:44,346 INFO  L78                 Accepts]: Start accepts. Automaton has 84631 states and 150871 transitions. Word has length 10267
[2019-09-07 15:46:44,348 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:46:44,348 INFO  L475      AbstractCegarLoop]: Abstraction has 84631 states and 150871 transitions.
[2019-09-07 15:46:44,349 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-09-07 15:46:44,349 INFO  L276                IsEmpty]: Start isEmpty. Operand 84631 states and 150871 transitions.
[2019-09-07 15:46:45,367 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10282
[2019-09-07 15:46:45,368 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:46:45,373 INFO  L399         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:45,373 INFO  L418      AbstractCegarLoop]: === Iteration 4 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:46:45,374 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:46:45,376 INFO  L82        PathProgramCache]: Analyzing trace with hash 1890207197, now seen corresponding path program 1 times
[2019-09-07 15:46:45,376 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:46:45,376 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:46:45,378 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:46:45,378 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:46:45,378 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:46:45,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:47:23,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 64 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:47:23,198 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2019-09-07 15:47:23,198 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 15:47:23,212 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:47:26,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:47:26,338 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12377 conjuncts, 4 conjunts are in the unsatisfiable core
[2019-09-07 15:47:26,534 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-09-07 15:47:57,297 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 64 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:47:57,309 INFO  L312   seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2019-09-07 15:47:57,311 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9
[2019-09-07 15:47:57,338 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-09-07 15:47:57,339 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-09-07 15:47:57,339 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2019-09-07 15:47:57,339 INFO  L87              Difference]: Start difference. First operand 84631 states and 150871 transitions. Second operand 9 states.