java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem08_label17.c


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


This is Ultimate 0.1.24-112bae1
[2019-09-07 16:39:04,847 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 16:39:04,850 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 16:39:04,865 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 16:39:04,866 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 16:39:04,867 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 16:39:04,868 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-07 16:39:04,870 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-07 16:39:04,882 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 16:39:04,884 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 16:39:04,885 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 16:39:04,886 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 16:39:04,886 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 16:39:04,887 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 16:39:04,888 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 16:39:04,889 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 16:39:04,890 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 16:39:04,891 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 16:39:04,892 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 16:39:04,894 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 16:39:04,895 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 16:39:04,896 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 16:39:04,897 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 16:39:04,898 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 16:39:04,900 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 16:39:04,900 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 16:39:04,900 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 16:39:04,901 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 16:39:04,901 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 16:39:04,902 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 16:39:04,902 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-07 16:39:04,903 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-07 16:39:04,904 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 16:39:04,904 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 16:39:04,905 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 16:39:04,906 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 16:39:04,906 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 16:39:04,906 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 16:39:04,906 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-07 16:39:04,907 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-07 16:39:04,908 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 16:39:04,909 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 16:39:04,925 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 16:39:04,925 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 16:39:04,926 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 16:39:04,928 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 16:39:04,928 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 16:39:04,928 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 16:39:04,928 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 16:39:04,929 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 16:39:04,929 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 16:39:04,929 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 16:39:04,929 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 16:39:04,929 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 16:39:04,930 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 16:39:04,930 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 16:39:04,930 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 16:39:04,930 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 16:39:04,930 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 16:39:04,931 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 16:39:04,931 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 16:39:04,931 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 16:39:04,931 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 16:39:04,931 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 16:39:04,932 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 16:39:04,932 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 16:39:04,932 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 16:39:04,934 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 16:39:04,934 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 16:39:04,934 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 16:39:04,934 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 16:39:04,985 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 16:39:05,000 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 16:39:05,003 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 16:39:05,004 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 16:39:05,005 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 16:39:05,005 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label17.c
[2019-09-07 16:39:05,073 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e801934e0/51c681c233074f409687e5fda55ff6d8/FLAG00e1f46f7
[2019-09-07 16:39:08,679 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 16:39:08,680 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label17.c
[2019-09-07 16:39:08,910 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e801934e0/51c681c233074f409687e5fda55ff6d8/FLAG00e1f46f7
[2019-09-07 16:39:09,349 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e801934e0/51c681c233074f409687e5fda55ff6d8
[2019-09-07 16:39:09,361 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 16:39:09,363 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 16:39:09,364 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 16:39:09,364 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 16:39:09,367 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 16:39:09,368 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:39:09" (1/1) ...
[2019-09-07 16:39:09,371 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cb8da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:39:09, skipping insertion in model container
[2019-09-07 16:39:09,371 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:39:09" (1/1) ...
[2019-09-07 16:39:09,378 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 16:39:10,964 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 16:39:35,440 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 16:39:35,446 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 16:39:52,323 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 16:40:09,601 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 16:40:09,601 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09 WrapperNode
[2019-09-07 16:40:09,601 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 16:40:09,602 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 16:40:09,602 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 16:40:09,602 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 16:40:09,615 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (1/1) ...
[2019-09-07 16:40:09,616 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (1/1) ...
[2019-09-07 16:40:10,248 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (1/1) ...
[2019-09-07 16:40:10,249 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (1/1) ...
[2019-09-07 16:40:13,020 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (1/1) ...
[2019-09-07 16:40:13,332 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (1/1) ...
[2019-09-07 16:40:14,045 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (1/1) ...
[2019-09-07 16:40:14,571 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 16:40:14,572 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 16:40:14,572 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 16:40:14,572 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 16:40:14,573 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (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 16:40:14,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 16:40:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 16:40:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 16:40:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 16:40:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 16:40:14,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 16:40:14,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 16:40:14,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 16:40:14,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 16:40:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 16:40:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 16:40:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 16:40:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 16:40:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 16:40:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 16:40:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 16:40:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 16:40:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 16:40:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 16:40:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 16:40:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 16:40:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 16:40:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 16:40:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 16:40:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 16:40:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 16:40:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 16:40:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 16:40:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 16:40:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 16:40:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 16:40:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 16:40:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 16:40:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 16:40:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 16:40:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 16:40:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 16:40:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 16:40:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 16:40:14,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 16:40:14,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 16:40:14,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 16:40:14,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 16:40:14,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 16:40:14,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 16:40:14,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 16:40:14,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 16:40:14,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 16:40:14,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2019-09-07 16:40:14,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2019-09-07 16:40:14,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2019-09-07 16:40:14,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2019-09-07 16:40:14,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2019-09-07 16:40:14,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2019-09-07 16:40:14,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2019-09-07 16:40:14,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2019-09-07 16:40:14,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2019-09-07 16:40:14,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2019-09-07 16:40:14,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2019-09-07 16:40:14,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2019-09-07 16:40:14,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2019-09-07 16:40:14,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2019-09-07 16:40:14,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2019-09-07 16:40:14,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2019-09-07 16:40:14,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2019-09-07 16:40:14,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2019-09-07 16:40:14,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2019-09-07 16:40:14,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2019-09-07 16:40:14,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2019-09-07 16:40:14,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2019-09-07 16:40:14,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2019-09-07 16:40:14,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2019-09-07 16:40:14,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2019-09-07 16:40:14,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2019-09-07 16:40:14,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2019-09-07 16:40:14,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2019-09-07 16:40:14,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2019-09-07 16:40:14,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output76
[2019-09-07 16:40:14,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output77
[2019-09-07 16:40:14,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output78
[2019-09-07 16:40:14,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output79
[2019-09-07 16:40:14,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output80
[2019-09-07 16:40:14,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output81
[2019-09-07 16:40:14,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output82
[2019-09-07 16:40:14,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 16:40:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 16:40:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 16:40:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 16:40:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 16:40:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 16:40:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 16:40:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 16:40:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 16:40:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 16:40:14,658 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 16:40:14,658 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 16:40:14,658 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 16:40:14,658 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 16:40:14,658 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 16:40:14,658 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 16:40:14,659 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 16:40:14,659 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 16:40:14,659 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 16:40:14,659 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 16:40:14,659 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 16:40:14,659 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 16:40:14,660 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 16:40:14,660 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 16:40:14,660 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 16:40:14,660 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 16:40:14,660 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 16:40:14,660 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 16:40:14,661 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 16:40:14,661 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 16:40:14,661 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 16:40:14,661 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 16:40:14,661 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 16:40:14,661 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 16:40:14,661 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 16:40:14,662 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 16:40:14,662 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 16:40:14,662 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 16:40:14,662 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 16:40:14,662 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 16:40:14,662 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 16:40:14,663 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 16:40:14,663 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 16:40:14,663 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 16:40:14,663 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 16:40:14,663 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 16:40:14,663 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 16:40:14,663 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2019-09-07 16:40:14,664 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2019-09-07 16:40:14,664 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2019-09-07 16:40:14,664 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2019-09-07 16:40:14,664 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2019-09-07 16:40:14,664 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2019-09-07 16:40:14,664 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2019-09-07 16:40:14,665 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2019-09-07 16:40:14,665 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2019-09-07 16:40:14,665 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2019-09-07 16:40:14,665 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2019-09-07 16:40:14,665 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2019-09-07 16:40:14,665 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2019-09-07 16:40:14,666 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2019-09-07 16:40:14,666 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2019-09-07 16:40:14,666 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2019-09-07 16:40:14,666 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2019-09-07 16:40:14,666 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2019-09-07 16:40:14,666 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2019-09-07 16:40:14,666 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2019-09-07 16:40:14,667 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2019-09-07 16:40:14,667 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2019-09-07 16:40:14,667 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2019-09-07 16:40:14,667 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2019-09-07 16:40:14,667 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2019-09-07 16:40:14,667 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2019-09-07 16:40:14,667 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2019-09-07 16:40:14,668 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2019-09-07 16:40:14,668 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2019-09-07 16:40:14,668 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output76
[2019-09-07 16:40:14,668 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output77
[2019-09-07 16:40:14,668 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output78
[2019-09-07 16:40:14,668 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output79
[2019-09-07 16:40:14,668 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output80
[2019-09-07 16:40:14,669 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output81
[2019-09-07 16:40:14,669 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output82
[2019-09-07 16:40:14,669 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 16:40:14,669 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 16:40:14,669 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 16:40:14,669 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 16:40:14,669 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 16:40:14,670 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 16:41:46,636 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 16:41:46,637 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 16:41:46,648 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:41:46 BoogieIcfgContainer
[2019-09-07 16:41:46,648 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 16:41:46,649 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 16:41:46,649 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 16:41:46,652 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 16:41:46,653 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 04:39:09" (1/3) ...
[2019-09-07 16:41:46,654 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f795b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:41:46, skipping insertion in model container
[2019-09-07 16:41:46,654 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:40:09" (2/3) ...
[2019-09-07 16:41:46,654 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f795b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:41:46, skipping insertion in model container
[2019-09-07 16:41:46,654 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:41:46" (3/3) ...
[2019-09-07 16:41:46,656 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem08_label17.c
[2019-09-07 16:41:46,666 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 16:41:46,681 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 16:41:46,698 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 16:41:46,789 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 16:41:46,790 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 16:41:46,790 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 16:41:46,790 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 16:41:46,790 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 16:41:46,790 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 16:41:46,790 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 16:41:46,791 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 16:41:46,791 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 16:41:47,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 23548 states.
[2019-09-07 16:41:50,829 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18075
[2019-09-07 16:41:50,829 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:41:50,842 INFO  L399         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:50,849 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:41:50,858 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:41:50,871 INFO  L82        PathProgramCache]: Analyzing trace with hash 1660198397, now seen corresponding path program 1 times
[2019-09-07 16:41:50,873 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:41:50,874 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:41:50,925 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:41:50,925 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:41:50,925 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:41:55,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:46:46,946 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 16:46:46,949 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:46:46,952 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-09-07 16:46:46,986 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-09-07 16:46:47,004 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-09-07 16:46:47,009 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-09-07 16:46:47,011 INFO  L87              Difference]: Start difference. First operand 23548 states. Second operand 4 states.
[2019-09-07 16:49:26,646 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 16:49:26,647 INFO  L93              Difference]: Finished difference Result 86052 states and 164501 transitions.
[2019-09-07 16:49:26,652 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-09-07 16:49:26,654 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 18074
[2019-09-07 16:49:26,691 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 16:49:27,030 INFO  L225             Difference]: With dead ends: 86052
[2019-09-07 16:49:27,030 INFO  L226             Difference]: Without dead ends: 62438
[2019-09-07 16:49:27,104 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2019-09-07 16:49:27,218 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62438 states.
[2019-09-07 16:49:28,361 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62438 to 42907.
[2019-09-07 16:49:28,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 42907 states.
[2019-09-07 16:49:28,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42907 states to 42907 states and 76857 transitions.
[2019-09-07 16:49:28,571 INFO  L78                 Accepts]: Start accepts. Automaton has 42907 states and 76857 transitions. Word has length 18074
[2019-09-07 16:49:28,629 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 16:49:28,629 INFO  L475      AbstractCegarLoop]: Abstraction has 42907 states and 76857 transitions.
[2019-09-07 16:49:28,629 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-09-07 16:49:28,630 INFO  L276                IsEmpty]: Start isEmpty. Operand 42907 states and 76857 transitions.
[2019-09-07 16:49:31,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18083
[2019-09-07 16:49:31,043 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:49:31,052 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 16:49:31,053 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output82Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:49:31,054 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:49:31,064 INFO  L82        PathProgramCache]: Analyzing trace with hash -78644403, now seen corresponding path program 1 times
[2019-09-07 16:49:31,064 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:49:31,064 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:49:31,070 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:49:31,070 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:49:31,071 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:49:31,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:51:20,197 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 16:51:20,197 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:51:20,199 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-09-07 16:51:20,224 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-09-07 16:51:20,225 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-09-07 16:51:20,225 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-09-07 16:51:20,225 INFO  L87              Difference]: Start difference. First operand 42907 states and 76857 transitions. Second operand 5 states.