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-programs/Problem101_label05.c


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


This is Ultimate 0.1.24-112bae1
[2019-09-07 23:38:59,963 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 23:38:59,965 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 23:38:59,976 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 23:38:59,977 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 23:38:59,978 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 23:38:59,979 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2019-09-07 23:38:59,983 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 23:38:59,983 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2019-09-07 23:38:59,985 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 23:38:59,986 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 23:38:59,987 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 23:38:59,988 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 23:38:59,989 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 23:38:59,989 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 23:38:59,990 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 23:38:59,992 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 23:38:59,994 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 23:38:59,995 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 23:38:59,996 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 23:38:59,997 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 23:38:59,998 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 23:39:00,000 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-09-07 23:39:00,001 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 23:39:00,002 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 23:39:00,002 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2019-09-07 23:39:00,003 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-09-07 23:39:00,006 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 23:39:00,007 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-09-07 23:39:00,008 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-07 23:39:00,009 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 23:39:00,010 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 23:39:00,024 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 23:39:00,025 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 23:39:00,027 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 23:39:00,028 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 23:39:00,028 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 23:39:00,028 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 23:39:00,028 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 23:39:00,028 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 23:39:00,029 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 23:39:00,029 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 23:39:00,029 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 23:39:00,029 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 23:39:00,029 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 23:39:00,029 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 23:39:00,030 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 23:39:00,030 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 23:39:00,030 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 23:39:00,031 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 23:39:00,031 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 23:39:00,031 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 23:39:00,032 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 23:39:00,032 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 23:39:00,032 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 23:39:00,032 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 23:39:00,032 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 23:39:00,033 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 23:39:00,033 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 23:39:00,033 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 23:39:00,034 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 23:39:00,069 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 23:39:00,083 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 23:39:00,092 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 23:39:00,096 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 23:39:00,097 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 23:39:00,098 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem101_label05.c
[2019-09-07 23:39:00,164 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeaab43c5/18afa622289c4fc397929a0c229cd785/FLAG3f3f9f418
[2019-09-07 23:39:02,676 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 23:39:02,677 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem101_label05.c
[2019-09-07 23:39:02,834 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeaab43c5/18afa622289c4fc397929a0c229cd785/FLAG3f3f9f418
[2019-09-07 23:39:03,095 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeaab43c5/18afa622289c4fc397929a0c229cd785
[2019-09-07 23:39:03,107 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 23:39:03,108 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 23:39:03,109 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 23:39:03,110 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 23:39:03,113 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 23:39:03,114 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:39:03" (1/1) ...
[2019-09-07 23:39:03,117 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772df1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:03, skipping insertion in model container
[2019-09-07 23:39:03,118 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:39:03" (1/1) ...
[2019-09-07 23:39:03,125 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 23:39:04,598 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 23:39:16,804 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 23:39:16,809 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 23:39:25,747 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 23:39:27,106 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 23:39:27,107 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27 WrapperNode
[2019-09-07 23:39:27,107 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 23:39:27,108 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 23:39:27,108 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 23:39:27,108 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 23:39:27,121 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (1/1) ...
[2019-09-07 23:39:27,121 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (1/1) ...
[2019-09-07 23:39:27,511 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (1/1) ...
[2019-09-07 23:39:27,512 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (1/1) ...
[2019-09-07 23:39:28,715 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (1/1) ...
[2019-09-07 23:39:28,941 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (1/1) ...
[2019-09-07 23:39:29,394 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (1/1) ...
[2019-09-07 23:39:29,860 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 23:39:29,861 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 23:39:29,861 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 23:39:29,861 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 23:39:29,862 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (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 23:39:29,909 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 23:39:29,909 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 23:39:29,909 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 23:39:29,909 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 23:39:29,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 23:39:29,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 23:39:29,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 23:39:29,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 23:39:29,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 23:39:29,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 23:39:29,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 23:39:29,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 23:39:29,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 23:39:29,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 23:39:29,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 23:39:29,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 23:39:29,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 23:39:29,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 23:39:29,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 23:39:29,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 23:39:29,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 23:39:29,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 23:39:29,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 23:39:32,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 23:39:32,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 23:39:32,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 23:39:32,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 23:39:32,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 23:39:32,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 23:39:32,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 23:39:32,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 23:39:32,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 23:39:32,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 23:39:32,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 23:39:32,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 23:39:32,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 23:39:32,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 23:39:32,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 23:39:32,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 23:39:32,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 23:39:32,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 23:39:32,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 23:39:32,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 23:39:32,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 23:39:32,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 23:39:32,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 23:39:32,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 23:39:32,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 23:39:32,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 23:39:32,268 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 23:39:32,268 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 23:39:32,268 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 23:39:32,268 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 23:39:32,268 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 23:39:32,268 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 23:39:32,269 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 23:39:32,269 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 23:39:32,269 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 23:39:32,269 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 23:39:32,269 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 23:39:32,269 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 23:39:32,269 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 23:39:32,270 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 23:39:32,270 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 23:39:32,270 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 23:39:32,270 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 23:39:32,270 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 23:39:32,270 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 23:39:32,270 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 23:39:32,271 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 23:39:32,271 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 23:39:32,271 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 23:39:32,271 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 23:39:32,271 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 23:39:32,271 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 23:39:32,272 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 23:39:32,272 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 23:39:32,272 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 23:39:32,272 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 23:39:32,272 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 23:39:32,272 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 23:39:32,273 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 23:39:32,273 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 23:39:32,273 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 23:39:32,273 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 23:39:32,273 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 23:39:32,273 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 23:39:32,273 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 23:39:32,274 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 23:39:32,274 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 23:39:32,274 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 23:39:32,274 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 23:39:32,274 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 23:39:32,274 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 23:39:32,275 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 23:39:32,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 23:39:32,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 23:39:32,275 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 23:39:32,275 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 23:39:32,275 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 23:39:32,276 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 23:40:20,677 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 23:40:20,678 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 23:40:20,684 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:40:20 BoogieIcfgContainer
[2019-09-07 23:40:20,685 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 23:40:20,686 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 23:40:20,686 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 23:40:20,689 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 23:40:20,690 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:39:03" (1/3) ...
[2019-09-07 23:40:20,691 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb26522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:40:20, skipping insertion in model container
[2019-09-07 23:40:20,691 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:39:27" (2/3) ...
[2019-09-07 23:40:20,691 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb26522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:40:20, skipping insertion in model container
[2019-09-07 23:40:20,692 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:40:20" (3/3) ...
[2019-09-07 23:40:20,694 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem101_label05.c
[2019-09-07 23:40:20,704 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 23:40:20,719 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 23:40:20,738 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 23:40:20,813 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 23:40:20,813 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 23:40:20,814 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 23:40:20,814 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 23:40:20,814 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 23:40:20,814 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 23:40:20,814 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 23:40:20,814 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 23:40:20,814 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 23:40:20,964 INFO  L276                IsEmpty]: Start isEmpty. Operand 10446 states.
[2019-09-07 23:40:22,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10197
[2019-09-07 23:40:22,230 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 23:40:22,237 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 23:40:22,241 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 23:40:22,253 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 23:40:22,258 INFO  L82        PathProgramCache]: Analyzing trace with hash -1117123462, now seen corresponding path program 1 times
[2019-09-07 23:40:22,260 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 23:40:22,260 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 23:40:22,310 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:40:22,310 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 23:40:22,310 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:40:25,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 23:42:03,842 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 23:42:03,845 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 23:42:03,847 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-09-07 23:42:03,866 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-09-07 23:42:03,881 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-09-07 23:42:03,882 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-09-07 23:42:03,885 INFO  L87              Difference]: Start difference. First operand 10446 states. Second operand 4 states.
[2019-09-07 23:43:30,968 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 23:43:30,968 INFO  L93              Difference]: Finished difference Result 41642 states and 82628 transitions.
[2019-09-07 23:43:30,969 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-09-07 23:43:30,970 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10196
[2019-09-07 23:43:30,995 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 23:43:31,207 INFO  L225             Difference]: With dead ends: 41642
[2019-09-07 23:43:31,208 INFO  L226             Difference]: Without dead ends: 31130
[2019-09-07 23:43:31,275 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 23:43:31,371 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31130 states.
[2019-09-07 23:43:32,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31130 to 20756.
[2019-09-07 23:43:32,175 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20756 states.
[2019-09-07 23:43:32,260 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20756 states to 20756 states and 38416 transitions.
[2019-09-07 23:43:32,262 INFO  L78                 Accepts]: Start accepts. Automaton has 20756 states and 38416 transitions. Word has length 10196
[2019-09-07 23:43:32,287 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 23:43:32,287 INFO  L475      AbstractCegarLoop]: Abstraction has 20756 states and 38416 transitions.
[2019-09-07 23:43:32,287 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-09-07 23:43:32,288 INFO  L276                IsEmpty]: Start isEmpty. Operand 20756 states and 38416 transitions.
[2019-09-07 23:43:33,299 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10205
[2019-09-07 23:43:33,300 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 23:43:33,306 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 23:43:33,307 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 23:43:33,308 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 23:43:33,313 INFO  L82        PathProgramCache]: Analyzing trace with hash 373099822, now seen corresponding path program 1 times
[2019-09-07 23:43:33,313 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 23:43:33,313 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 23:43:33,317 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:43:33,317 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 23:43:33,317 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:43:34,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 23:45:10,466 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 23:45:10,466 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 23:45:10,467 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 23:45:10,483 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 23:45:10,484 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 23:45:10,485 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 23:45:10,485 INFO  L87              Difference]: Start difference. First operand 20756 states and 38416 transitions. Second operand 3 states.
[2019-09-07 23:46:09,145 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 23:46:09,146 INFO  L93              Difference]: Finished difference Result 62254 states and 115787 transitions.
[2019-09-07 23:46:09,148 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 23:46:09,148 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10204
[2019-09-07 23:46:09,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 23:46:09,334 INFO  L225             Difference]: With dead ends: 62254
[2019-09-07 23:46:09,334 INFO  L226             Difference]: Without dead ends: 41504
[2019-09-07 23:46:09,393 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 23:46:09,453 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41504 states.
[2019-09-07 23:46:10,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41504 to 41504.
[2019-09-07 23:46:10,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 41504 states.
[2019-09-07 23:46:10,283 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41504 states to 41504 states and 67994 transitions.
[2019-09-07 23:46:10,284 INFO  L78                 Accepts]: Start accepts. Automaton has 41504 states and 67994 transitions. Word has length 10204
[2019-09-07 23:46:10,298 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 23:46:10,299 INFO  L475      AbstractCegarLoop]: Abstraction has 41504 states and 67994 transitions.
[2019-09-07 23:46:10,299 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 23:46:10,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 41504 states and 67994 transitions.
[2019-09-07 23:46:11,466 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10206
[2019-09-07 23:46:11,467 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 23:46:11,473 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2019-09-07 23:46:11,474 INFO  L418      AbstractCegarLoop]: === Iteration 3 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 23:46:11,475 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 23:46:11,478 INFO  L82        PathProgramCache]: Analyzing trace with hash 852184416, now seen corresponding path program 1 times
[2019-09-07 23:46:11,478 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 23:46:11,478 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 23:46:11,480 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:46:11,480 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 23:46:11,482 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:46:12,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 23:46:43,774 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 23:46:43,775 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 23:46:43,776 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-09-07 23:46:43,784 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-09-07 23:46:43,784 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-09-07 23:46:43,784 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-09-07 23:46:43,785 INFO  L87              Difference]: Start difference. First operand 41504 states and 67994 transitions. Second operand 5 states.
[2019-09-07 23:47:59,865 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 23:47:59,866 INFO  L93              Difference]: Finished difference Result 126694 states and 210051 transitions.
[2019-09-07 23:47:59,866 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-09-07 23:47:59,867 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 10205
[2019-09-07 23:47:59,867 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 23:48:00,207 INFO  L225             Difference]: With dead ends: 126694
[2019-09-07 23:48:00,207 INFO  L226             Difference]: Without dead ends: 85196
[2019-09-07 23:48:00,297 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2019-09-07 23:48:00,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85196 states.
[2019-09-07 23:48:01,904 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85196 to 85180.
[2019-09-07 23:48:01,904 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 85180 states.
[2019-09-07 23:48:02,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85180 states to 85180 states and 128631 transitions.
[2019-09-07 23:48:02,145 INFO  L78                 Accepts]: Start accepts. Automaton has 85180 states and 128631 transitions. Word has length 10205
[2019-09-07 23:48:02,146 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 23:48:02,146 INFO  L475      AbstractCegarLoop]: Abstraction has 85180 states and 128631 transitions.
[2019-09-07 23:48:02,147 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-09-07 23:48:02,147 INFO  L276                IsEmpty]: Start isEmpty. Operand 85180 states and 128631 transitions.
[2019-09-07 23:48:03,146 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10207
[2019-09-07 23:48:03,146 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 23:48:03,152 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2019-09-07 23:48:03,152 INFO  L418      AbstractCegarLoop]: === Iteration 4 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 23:48:03,153 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 23:48:03,155 INFO  L82        PathProgramCache]: Analyzing trace with hash 1336048618, now seen corresponding path program 1 times
[2019-09-07 23:48:03,155 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 23:48:03,155 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 23:48:03,157 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:48:03,157 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 23:48:03,157 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:48:07,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 23:48:42,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 23:48:42,570 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 23:48:42,571 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-09-07 23:48:42,577 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-09-07 23:48:42,577 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-09-07 23:48:42,577 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-09-07 23:48:42,577 INFO  L87              Difference]: Start difference. First operand 85180 states and 128631 transitions. Second operand 5 states.
[2019-09-07 23:49:52,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 23:49:52,235 INFO  L93              Difference]: Finished difference Result 192181 states and 290848 transitions.
[2019-09-07 23:49:52,235 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-09-07 23:49:52,235 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 10206
[2019-09-07 23:49:52,235 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 23:49:52,504 INFO  L225             Difference]: With dead ends: 192181
[2019-09-07 23:49:52,504 INFO  L226             Difference]: Without dead ends: 107007
[2019-09-07 23:49:52,593 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2019-09-07 23:49:52,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107007 states.
[2019-09-07 23:49:54,178 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107007 to 106991.
[2019-09-07 23:49:54,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 106991 states.
[2019-09-07 23:49:54,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106991 states to 106991 states and 158135 transitions.
[2019-09-07 23:49:54,374 INFO  L78                 Accepts]: Start accepts. Automaton has 106991 states and 158135 transitions. Word has length 10206
[2019-09-07 23:49:54,377 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 23:49:54,381 INFO  L475      AbstractCegarLoop]: Abstraction has 106991 states and 158135 transitions.
[2019-09-07 23:49:54,381 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-09-07 23:49:54,381 INFO  L276                IsEmpty]: Start isEmpty. Operand 106991 states and 158135 transitions.
[2019-09-07 23:49:58,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10209
[2019-09-07 23:49:58,657 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 23:49:58,666 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2019-09-07 23:49:58,666 INFO  L418      AbstractCegarLoop]: === Iteration 5 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 23:49:58,667 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 23:49:58,670 INFO  L82        PathProgramCache]: Analyzing trace with hash -1396618586, now seen corresponding path program 1 times
[2019-09-07 23:49:58,671 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 23:49:58,671 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 23:49:58,674 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:49:58,674 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 23:49:58,674 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 23:49:59,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 23:50:30,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 23:50:30,478 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 23:50:30,479 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-07 23:50:30,485 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-07 23:50:30,485 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-07 23:50:30,485 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-07 23:50:30,486 INFO  L87              Difference]: Start difference. First operand 106991 states and 158135 transitions. Second operand 6 states.