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_label37.c


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


This is Ultimate 0.1.24-112bae1
[2019-09-07 16:02:18,016 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 16:02:18,018 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 16:02:18,030 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 16:02:18,030 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 16:02:18,031 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 16:02:18,032 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-07 16:02:18,034 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-07 16:02:18,036 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 16:02:18,037 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 16:02:18,038 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 16:02:18,039 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 16:02:18,039 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 16:02:18,040 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 16:02:18,041 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 16:02:18,042 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 16:02:18,043 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 16:02:18,044 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 16:02:18,046 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 16:02:18,048 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 16:02:18,049 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 16:02:18,050 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 16:02:18,051 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 16:02:18,052 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 16:02:18,055 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 16:02:18,055 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 16:02:18,055 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 16:02:18,056 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 16:02:18,056 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 16:02:18,057 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 16:02:18,058 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-07 16:02:18,059 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-07 16:02:18,059 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 16:02:18,060 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 16:02:18,061 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 16:02:18,061 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 16:02:18,062 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 16:02:18,062 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 16:02:18,062 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-07 16:02:18,063 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-07 16:02:18,064 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 16:02:18,064 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 16:02:18,084 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 16:02:18,084 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 16:02:18,086 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 16:02:18,087 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 16:02:18,087 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 16:02:18,087 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 16:02:18,088 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 16:02:18,088 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 16:02:18,088 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 16:02:18,088 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 16:02:18,088 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 16:02:18,089 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 16:02:18,089 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 16:02:18,089 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 16:02:18,089 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 16:02:18,089 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 16:02:18,089 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 16:02:18,090 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 16:02:18,090 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 16:02:18,091 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 16:02:18,091 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 16:02:18,092 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 16:02:18,092 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 16:02:18,092 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 16:02:18,092 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 16:02:18,092 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 16:02:18,093 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 16:02:18,093 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 16:02:18,093 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 16:02:18,131 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 16:02:18,144 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 16:02:18,147 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 16:02:18,149 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 16:02:18,149 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 16:02:18,150 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label37.c
[2019-09-07 16:02:18,210 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81bd941fd/423a3512854d4ca8aacfbef4483aaedd/FLAG9f0795124
[2019-09-07 16:02:20,397 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 16:02:20,397 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label37.c
[2019-09-07 16:02:20,555 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81bd941fd/423a3512854d4ca8aacfbef4483aaedd/FLAG9f0795124
[2019-09-07 16:02:21,050 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81bd941fd/423a3512854d4ca8aacfbef4483aaedd
[2019-09-07 16:02:21,060 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 16:02:21,062 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 16:02:21,063 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 16:02:21,063 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 16:02:21,067 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 16:02:21,068 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:02:21" (1/1) ...
[2019-09-07 16:02:21,071 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335c662c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:21, skipping insertion in model container
[2019-09-07 16:02:21,071 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:02:21" (1/1) ...
[2019-09-07 16:02:21,078 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 16:02:22,058 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 16:02:33,754 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 16:02:33,760 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 16:02:41,912 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 16:02:45,979 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 16:02:45,979 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45 WrapperNode
[2019-09-07 16:02:45,980 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 16:02:45,981 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 16:02:45,981 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 16:02:45,981 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 16:02:45,997 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (1/1) ...
[2019-09-07 16:02:45,997 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (1/1) ...
[2019-09-07 16:02:46,409 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (1/1) ...
[2019-09-07 16:02:46,409 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (1/1) ...
[2019-09-07 16:02:47,689 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (1/1) ...
[2019-09-07 16:02:47,910 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (1/1) ...
[2019-09-07 16:02:48,437 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (1/1) ...
[2019-09-07 16:02:52,122 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 16:02:52,123 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 16:02:52,123 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 16:02:52,123 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 16:02:52,124 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (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 16:02:52,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 16:02:52,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 16:02:52,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 16:02:52,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 16:02:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 16:02:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 16:02:52,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 16:02:52,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 16:02:52,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 16:02:52,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 16:02:52,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 16:02:52,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 16:02:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 16:02:52,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 16:02:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 16:02:52,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 16:02:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 16:02:52,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 16:02:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 16:02:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 16:02:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 16:02:52,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 16:02:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 16:02:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 16:02:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 16:02:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 16:02:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 16:02:52,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 16:02:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 16:02:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 16:02:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 16:02:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 16:02:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 16:02:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 16:02:52,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 16:02:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 16:02:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 16:02:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 16:02:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 16:02:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 16:02:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 16:02:52,206 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 16:02:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 16:02:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 16:02:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 16:02:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 16:02:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 16:02:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 16:02:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 16:02:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 16:02:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 16:02:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 16:02:52,209 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 16:02:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 16:02:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 16:02:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 16:02:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 16:02:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 16:02:52,210 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 16:02:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 16:02:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 16:02:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 16:02:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 16:02:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 16:02:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 16:02:52,211 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 16:02:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 16:02:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 16:02:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 16:02:52,212 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 16:02:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 16:02:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 16:02:52,213 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 16:02:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 16:02:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 16:02:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 16:02:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 16:02:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 16:02:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 16:02:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 16:02:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 16:02:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 16:02:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 16:02:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 16:02:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 16:02:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 16:02:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 16:02:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 16:02:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 16:02:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 16:02:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 16:02:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 16:02:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 16:02:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 16:02:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 16:02:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 16:02:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 16:02:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 16:02:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 16:02:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 16:02:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 16:03:41,209 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 16:03:41,210 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 16:03:41,219 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:03:41 BoogieIcfgContainer
[2019-09-07 16:03:41,219 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 16:03:41,221 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 16:03:41,221 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 16:03:41,225 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 16:03:41,225 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 04:02:21" (1/3) ...
[2019-09-07 16:03:41,226 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e59a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:03:41, skipping insertion in model container
[2019-09-07 16:03:41,227 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:02:45" (2/3) ...
[2019-09-07 16:03:41,227 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e59a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:03:41, skipping insertion in model container
[2019-09-07 16:03:41,227 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:03:41" (3/3) ...
[2019-09-07 16:03:41,230 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem07_label37.c
[2019-09-07 16:03:41,241 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 16:03:41,255 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 16:03:41,276 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 16:03:41,360 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 16:03:41,361 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 16:03:41,362 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 16:03:41,362 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 16:03:41,362 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 16:03:41,362 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 16:03:41,362 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 16:03:41,363 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 16:03:41,363 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 16:03:41,562 INFO  L276                IsEmpty]: Start isEmpty. Operand 10446 states.
[2019-09-07 16:03:44,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10206
[2019-09-07 16:03:44,059 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:03:44,070 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 16:03:44,074 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:03:44,087 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:03:44,092 INFO  L82        PathProgramCache]: Analyzing trace with hash 1124161013, now seen corresponding path program 1 times
[2019-09-07 16:03:44,095 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:03:44,096 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:03:44,158 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:03:44,159 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:03:44,159 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:03:47,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:05:31,355 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 16:05:31,359 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:05:31,363 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 16:05:31,387 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 16:05:31,402 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 16:05:31,408 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 16:05:31,411 INFO  L87              Difference]: Start difference. First operand 10446 states. Second operand 3 states.
[2019-09-07 16:06:32,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 16:06:32,791 INFO  L93              Difference]: Finished difference Result 31264 states and 61877 transitions.
[2019-09-07 16:06:32,792 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 16:06:32,794 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10205
[2019-09-07 16:06:32,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 16:06:33,077 INFO  L225             Difference]: With dead ends: 31264
[2019-09-07 16:06:33,079 INFO  L226             Difference]: Without dead ends: 20756
[2019-09-07 16:06:33,138 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 47 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 16:06:33,224 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20756 states.
[2019-09-07 16:06:34,101 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20756 to 20756.
[2019-09-07 16:06:34,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20756 states.
[2019-09-07 16:06:34,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20756 states to 20756 states and 40372 transitions.
[2019-09-07 16:06:34,233 INFO  L78                 Accepts]: Start accepts. Automaton has 20756 states and 40372 transitions. Word has length 10205
[2019-09-07 16:06:34,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 16:06:34,265 INFO  L475      AbstractCegarLoop]: Abstraction has 20756 states and 40372 transitions.
[2019-09-07 16:06:34,265 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 16:06:34,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 20756 states and 40372 transitions.
[2019-09-07 16:06:35,918 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10217
[2019-09-07 16:06:35,918 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:06:35,924 INFO  L399         BasicCegarLoop]: trace histogram [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, 1, 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[2019-09-07 16:06:35,925 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:06:35,927 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:06:35,931 INFO  L82        PathProgramCache]: Analyzing trace with hash -1040207469, now seen corresponding path program 1 times
[2019-09-07 16:06:35,931 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:06:35,931 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:06:35,935 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:06:35,935 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:06:35,936 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:06:36,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:07:12,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 16:07:12,202 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 16:07:12,203 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-07 16:07:12,220 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-07 16:07:12,221 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-07 16:07:12,222 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-07 16:07:12,222 INFO  L87              Difference]: Start difference. First operand 20756 states and 40372 transitions. Second operand 6 states.
[2019-09-07 16:08:26,270 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 16:08:26,270 INFO  L93              Difference]: Finished difference Result 63331 states and 123199 transitions.
[2019-09-07 16:08:26,271 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-09-07 16:08:26,272 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 10216
[2019-09-07 16:08:26,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 16:08:26,455 INFO  L225             Difference]: With dead ends: 63331
[2019-09-07 16:08:26,456 INFO  L226             Difference]: Without dead ends: 42581
[2019-09-07 16:08:26,505 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 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 16:08:26,564 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42581 states.
[2019-09-07 16:08:27,580 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42581 to 42299.
[2019-09-07 16:08:27,581 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 42299 states.
[2019-09-07 16:08:27,672 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42299 states to 42299 states and 80707 transitions.
[2019-09-07 16:08:27,672 INFO  L78                 Accepts]: Start accepts. Automaton has 42299 states and 80707 transitions. Word has length 10216
[2019-09-07 16:08:27,674 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 16:08:27,674 INFO  L475      AbstractCegarLoop]: Abstraction has 42299 states and 80707 transitions.
[2019-09-07 16:08:27,674 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-09-07 16:08:27,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 42299 states and 80707 transitions.
[2019-09-07 16:08:31,124 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10226
[2019-09-07 16:08:31,125 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 16:08:31,131 INFO  L399         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:31,132 INFO  L418      AbstractCegarLoop]: === Iteration 3 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 16:08:31,132 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 16:08:31,135 INFO  L82        PathProgramCache]: Analyzing trace with hash 688495705, now seen corresponding path program 1 times
[2019-09-07 16:08:31,136 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 16:08:31,136 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 16:08:31,138 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:08:31,138 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:08:31,139 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 16:08:32,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:10:08,315 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 16:10:08,316 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2019-09-07 16:10:08,316 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 16:10:08,334 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 16:10:11,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 16:10:11,374 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12249 conjuncts, 98 conjunts are in the unsatisfiable core
[2019-09-07 16:10:11,557 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-09-07 16:11:12,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-09-07 16:11:12,869 INFO  L312   seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2019-09-07 16:11:12,871 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9
[2019-09-07 16:11:12,910 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-09-07 16:11:12,911 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-09-07 16:11:12,911 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2019-09-07 16:11:12,911 INFO  L87              Difference]: Start difference. First operand 42299 states and 80707 transitions. Second operand 9 states.