java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label40.c


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


This is Ultimate 0.1.24-112bae1
[2019-09-07 16:03:23,294 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 16:03:23,296 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 16:03:23,314 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 16:03:23,315 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 16:03:23,316 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 16:03:23,319 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2019-09-07 16:03:23,330 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 16:03:23,331 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 16:03:23,332 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 16:03:23,333 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 16:03:23,334 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 16:03:23,335 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 16:03:23,335 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 16:03:23,337 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 16:03:23,337 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 16:03:23,338 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 16:03:23,340 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 16:03:23,342 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 16:03:23,343 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 16:03:23,344 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 16:03:23,345 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 16:03:23,346 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 16:03:23,348 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-09-07 16:03:23,348 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 16:03:23,349 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 16:03:23,349 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 16:03:23,350 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 16:03:23,351 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-09-07 16:03:23,352 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 16:03:23,353 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 16:03:23,354 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 16:03:23,354 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 16:03:23,355 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 16:03:23,355 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 16:03:23,355 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-07 16:03:23,357 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 16:03:23,357 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 16:03:23,371 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 16:03:23,371 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 16:03:23,373 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 16:03:23,373 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 16:03:23,373 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 16:03:23,373 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 16:03:23,373 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 16:03:23,374 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 16:03:23,374 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 16:03:23,374 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 16:03:23,374 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 16:03:23,374 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 16:03:23,375 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 16:03:23,375 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 16:03:23,375 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 16:03:23,375 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 16:03:23,375 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 16:03:23,376 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 16:03:23,376 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 16:03:23,376 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 16:03:23,376 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 16:03:23,376 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 16:03:23,377 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 16:03:23,377 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 16:03:23,377 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 16:03:23,379 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 16:03:23,379 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 16:03:23,379 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 16:03:23,379 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 16:03:23,420 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 16:03:23,431 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 16:03:23,435 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 16:03:23,436 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 16:03:23,437 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 16:03:23,437 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label40.c
[2019-09-07 16:03:23,508 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb96b31ab/4428878165674cb181dc414fcdd67c1e/FLAGf1659c89a
[2019-09-07 16:03:26,045 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 16:03:26,045 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label40.c
[2019-09-07 16:03:26,182 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb96b31ab/4428878165674cb181dc414fcdd67c1e/FLAGf1659c89a
[2019-09-07 16:03:26,554 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb96b31ab/4428878165674cb181dc414fcdd67c1e
[2019-09-07 16:03:26,567 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 16:03:26,569 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 16:03:26,570 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 16:03:26,570 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 16:03:26,573 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 16:03:26,574 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:03:26" (1/1) ...
[2019-09-07 16:03:26,577 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fb264b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:26, skipping insertion in model container
[2019-09-07 16:03:26,578 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:03:26" (1/1) ...
[2019-09-07 16:03:26,585 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 16:03:27,534 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 16:03:40,033 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 16:03:40,039 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 16:03:48,079 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 16:03:48,949 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 16:03:48,950 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48 WrapperNode
[2019-09-07 16:03:48,950 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 16:03:48,951 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 16:03:48,951 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 16:03:48,951 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 16:03:48,961 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (1/1) ...
[2019-09-07 16:03:48,962 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (1/1) ...
[2019-09-07 16:03:49,426 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (1/1) ...
[2019-09-07 16:03:49,428 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (1/1) ...
[2019-09-07 16:03:52,685 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (1/1) ...
[2019-09-07 16:03:52,876 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (1/1) ...
[2019-09-07 16:03:53,240 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (1/1) ...
[2019-09-07 16:03:53,669 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 16:03:53,669 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 16:03:53,669 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 16:03:53,670 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 16:03:53,670 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (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 16:03:53,758 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 16:03:53,758 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 16:03:53,758 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 16:03:53,758 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 16:03:53,759 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 16:03:53,759 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 16:03:53,759 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 16:03:53,759 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 16:03:53,759 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 16:03:53,760 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 16:03:53,760 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 16:03:53,761 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 16:03:53,762 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 16:03:53,762 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 16:03:53,763 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 16:03:53,763 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 16:03:53,766 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 16:03:53,766 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 16:03:53,766 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 16:03:53,766 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 16:03:53,766 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 16:03:53,766 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 16:03:53,767 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 16:03:53,767 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 16:03:53,767 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 16:03:53,767 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 16:03:53,768 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 16:03:53,768 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 16:03:53,768 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 16:03:53,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 16:03:53,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 16:03:53,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 16:03:53,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 16:03:53,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 16:03:53,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 16:03:53,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 16:03:53,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 16:03:53,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 16:03:53,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 16:03:53,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 16:03:53,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 16:03:53,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 16:03:53,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 16:03:53,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 16:03:53,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 16:03:53,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 16:03:53,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 16:03:53,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 16:03:53,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 16:03:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 16:03:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 16:03:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 16:03:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 16:03:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 16:03:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 16:03:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 16:03:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 16:03:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 16:03:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 16:03:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 16:03:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 16:03:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 16:03:53,776 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 16:03:53,776 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 16:03:53,776 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 16:03:53,776 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 16:03:53,776 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 16:03:53,776 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 16:03:53,776 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 16:03:53,777 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 16:03:53,777 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 16:03:53,777 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 16:03:53,777 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 16:03:53,778 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 16:03:53,778 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 16:03:53,778 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 16:03:53,779 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 16:03:53,779 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 16:03:53,779 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 16:03:53,779 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 16:03:53,779 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 16:03:53,779 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 16:03:53,779 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 16:03:53,780 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 16:03:53,780 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 16:03:53,780 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 16:03:53,780 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 16:03:53,781 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 16:03:53,781 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 16:03:53,781 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 16:03:53,782 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 16:03:53,782 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 16:03:53,782 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 16:03:53,783 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 16:03:53,783 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 16:03:53,783 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 16:03:53,783 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 16:03:53,783 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 16:03:53,783 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 16:03:53,783 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 16:03:53,784 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 16:04:43,248 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 16:04:43,248 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 16:04:43,256 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:04:43 BoogieIcfgContainer
[2019-09-07 16:04:43,256 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 16:04:43,257 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 16:04:43,257 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 16:04:43,260 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 16:04:43,261 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 04:03:26" (1/3) ...
[2019-09-07 16:04:43,261 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d52ad7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:04:43, skipping insertion in model container
[2019-09-07 16:04:43,262 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:03:48" (2/3) ...
[2019-09-07 16:04:43,262 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d52ad7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:04:43, skipping insertion in model container
[2019-09-07 16:04:43,262 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:04:43" (3/3) ...
[2019-09-07 16:04:43,264 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem07_label40.c
[2019-09-07 16:04:43,274 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 16:04:43,285 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 16:04:43,304 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 16:04:43,386 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 16:04:43,387 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 16:04:43,387 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 16:04:43,387 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 16:04:43,387 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 16:04:43,387 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 16:04:43,387 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 16:04:43,388 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 16:04:43,388 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 16:04:43,536 INFO  L276                IsEmpty]: Start isEmpty. Operand 10446 states.
[2019-09-07 16:04:45,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10190
[2019-09-07 16:04:45,028 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:04:45,035 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 16:04:45,039 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:04:45,057 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:04:45,063 INFO  L82        PathProgramCache]: Analyzing trace with hash 1169270965, now seen corresponding path program 1 times
[2019-09-07 16:04:45,065 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:04:45,066 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:04:45,125 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:04:45,125 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:04:45,129 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:04:48,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:06:32,226 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 16:06:32,229 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:06:32,231 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 16:06:32,256 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 16:06:32,270 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 16:06:32,271 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 16:06:32,274 INFO  L87              Difference]: Start difference. First operand 10446 states. Second operand 3 states.
[2019-09-07 16:07:27,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 16:07:27,235 INFO  L93              Difference]: Finished difference Result 31264 states and 61877 transitions.
[2019-09-07 16:07:27,238 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 16:07:27,239 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10189
[2019-09-07 16:07:27,266 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 16:07:27,422 INFO  L225             Difference]: With dead ends: 31264
[2019-09-07 16:07:27,422 INFO  L226             Difference]: Without dead ends: 20756
[2019-09-07 16:07:27,455 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 48 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 16:07:27,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20756 states.
[2019-09-07 16:07:28,131 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20756 to 20756.
[2019-09-07 16:07:28,132 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20756 states.
[2019-09-07 16:07:28,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20756 states to 20756 states and 36022 transitions.
[2019-09-07 16:07:28,210 INFO  L78                 Accepts]: Start accepts. Automaton has 20756 states and 36022 transitions. Word has length 10189
[2019-09-07 16:07:28,231 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 16:07:28,231 INFO  L475      AbstractCegarLoop]: Abstraction has 20756 states and 36022 transitions.
[2019-09-07 16:07:28,232 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 16:07:28,232 INFO  L276                IsEmpty]: Start isEmpty. Operand 20756 states and 36022 transitions.
[2019-09-07 16:07:28,987 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10198
[2019-09-07 16:07:28,987 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:07:28,992 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 16:07:28,993 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:07:28,993 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:07:28,998 INFO  L82        PathProgramCache]: Analyzing trace with hash -605599103, now seen corresponding path program 1 times
[2019-09-07 16:07:28,998 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:07:28,999 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:07:29,003 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:07:29,003 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:07:29,003 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:07:30,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:08:59,566 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 16:08:59,566 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:08:59,568 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 16:08:59,582 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 16:08:59,582 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 16:08:59,583 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 16:08:59,583 INFO  L87              Difference]: Start difference. First operand 20756 states and 36022 transitions. Second operand 3 states.
[2019-09-07 16:09:56,723 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 16:09:56,724 INFO  L93              Difference]: Finished difference Result 62254 states and 108605 transitions.
[2019-09-07 16:09:56,725 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 16:09:56,725 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10197
[2019-09-07 16:09:56,746 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 16:09:56,894 INFO  L225             Difference]: With dead ends: 62254
[2019-09-07 16:09:56,895 INFO  L226             Difference]: Without dead ends: 41504
[2019-09-07 16:09:56,951 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 16:09:57,049 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41504 states.
[2019-09-07 16:09:57,963 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41504 to 41504.
[2019-09-07 16:09:57,963 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 41504 states.
[2019-09-07 16:09:58,058 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41504 states to 41504 states and 64430 transitions.
[2019-09-07 16:09:58,059 INFO  L78                 Accepts]: Start accepts. Automaton has 41504 states and 64430 transitions. Word has length 10197
[2019-09-07 16:09:58,070 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 16:09:58,071 INFO  L475      AbstractCegarLoop]: Abstraction has 41504 states and 64430 transitions.
[2019-09-07 16:09:58,071 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 16:09:58,071 INFO  L276                IsEmpty]: Start isEmpty. Operand 41504 states and 64430 transitions.
[2019-09-07 16:09:59,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10199
[2019-09-07 16:09:59,356 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:09:59,362 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 16:09:59,363 INFO  L418      AbstractCegarLoop]: === Iteration 3 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:09:59,364 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:09:59,367 INFO  L82        PathProgramCache]: Analyzing trace with hash -162070897, now seen corresponding path program 1 times
[2019-09-07 16:09:59,367 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:09:59,367 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:09:59,370 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:09:59,370 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:09:59,370 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:10:00,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:10:39,601 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 16:10:39,601 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:10:39,602 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-09-07 16:10:39,613 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-09-07 16:10:39,613 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-09-07 16:10:39,614 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-09-07 16:10:39,614 INFO  L87              Difference]: Start difference. First operand 41504 states and 64430 transitions. Second operand 5 states.
[2019-09-07 16:11:53,424 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 16:11:53,424 INFO  L93              Difference]: Finished difference Result 126694 states and 199355 transitions.
[2019-09-07 16:11:53,425 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-09-07 16:11:53,425 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 10198
[2019-09-07 16:11:53,425 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 16:11:53,747 INFO  L225             Difference]: With dead ends: 126694
[2019-09-07 16:11:53,747 INFO  L226             Difference]: Without dead ends: 85196
[2019-09-07 16:11:53,863 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 16:11:53,964 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85196 states.
[2019-09-07 16:11:55,387 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85196 to 85180.
[2019-09-07 16:11:55,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 85180 states.
[2019-09-07 16:11:55,588 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85180 states to 85180 states and 123293 transitions.
[2019-09-07 16:11:55,590 INFO  L78                 Accepts]: Start accepts. Automaton has 85180 states and 123293 transitions. Word has length 10198
[2019-09-07 16:11:55,592 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 16:11:55,592 INFO  L475      AbstractCegarLoop]: Abstraction has 85180 states and 123293 transitions.
[2019-09-07 16:11:55,592 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-09-07 16:11:55,592 INFO  L276                IsEmpty]: Start isEmpty. Operand 85180 states and 123293 transitions.
[2019-09-07 16:11:59,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10202
[2019-09-07 16:11:59,761 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:11:59,765 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 16:11:59,765 INFO  L418      AbstractCegarLoop]: === Iteration 4 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:11:59,766 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:11:59,768 INFO  L82        PathProgramCache]: Analyzing trace with hash -1172782071, now seen corresponding path program 1 times
[2019-09-07 16:11:59,768 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:11:59,768 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:11:59,770 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:11:59,770 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:11:59,770 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:12:00,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:12:37,009 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 16:12:37,010 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:12:37,011 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-07 16:12:37,017 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-07 16:12:37,017 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-07 16:12:37,018 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-07 16:12:37,018 INFO  L87              Difference]: Start difference. First operand 85180 states and 123293 transitions. Second operand 6 states.
[2019-09-07 16:14:04,623 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 16:14:04,623 INFO  L93              Difference]: Finished difference Result 263681 states and 409266 transitions.
[2019-09-07 16:14:04,623 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-09-07 16:14:04,624 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 10201
[2019-09-07 16:14:04,624 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 16:14:05,278 INFO  L225             Difference]: With dead ends: 263681
[2019-09-07 16:14:05,279 INFO  L226             Difference]: Without dead ends: 178507
[2019-09-07 16:14:05,404 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2019-09-07 16:14:05,558 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 178507 states.
[2019-09-07 16:14:08,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 178507 to 176046.
[2019-09-07 16:14:08,334 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 176046 states.
[2019-09-07 16:14:08,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 176046 states to 176046 states and 264505 transitions.
[2019-09-07 16:14:08,694 INFO  L78                 Accepts]: Start accepts. Automaton has 176046 states and 264505 transitions. Word has length 10201
[2019-09-07 16:14:08,696 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 16:14:08,696 INFO  L475      AbstractCegarLoop]: Abstraction has 176046 states and 264505 transitions.
[2019-09-07 16:14:08,696 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-09-07 16:14:08,696 INFO  L276                IsEmpty]: Start isEmpty. Operand 176046 states and 264505 transitions.
[2019-09-07 16:14:09,485 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10207
[2019-09-07 16:14:09,486 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:14:09,492 INFO  L399         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 16:14:09,492 INFO  L418      AbstractCegarLoop]: === Iteration 5 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:14:09,493 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:14:09,495 INFO  L82        PathProgramCache]: Analyzing trace with hash 1718395459, now seen corresponding path program 1 times
[2019-09-07 16:14:09,496 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:14:09,496 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:14:09,498 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:14:09,498 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:14:09,498 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:14:09,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:15:04,863 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 16:15:04,863 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2019-09-07 16:15:04,863 INFO  L223   ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2019-09-07 16:15:04,882 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:15:08,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:15:08,179 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12304 conjuncts, 94 conjunts are in the unsatisfiable core
[2019-09-07 16:15:08,461 INFO  L279         TraceCheckSpWp]: Computing forward predicates...