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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-programs/Problem103_label48.c


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


This is Ultimate 0.1.24-112bae1
[2019-09-10 01:17:47,760 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-10 01:17:47,762 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2019-09-10 01:17:47,782 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-10 01:17:47,783 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-10 01:17:47,784 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-10 01:17:47,785 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-10 01:17:47,786 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-10 01:17:47,787 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-10 01:17:47,788 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-10 01:17:47,790 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-10 01:17:47,791 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-10 01:17:47,792 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-10 01:17:47,793 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-10 01:17:47,794 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-10 01:17:47,796 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-10 01:17:47,796 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-10 01:17:47,796 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2019-09-10 01:17:47,798 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-10 01:17:47,799 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-09-10 01:17:47,802 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-10 01:17:47,802 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-09-10 01:17:47,803 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-10 01:17:47,804 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-10 01:17:47,805 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf
[2019-09-10 01:17:47,820 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-10 01:17:47,820 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-10 01:17:47,820 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2019-09-10 01:17:47,820 INFO  L138        SettingsManager]:  * Log level for plugins=info
[2019-09-10 01:17:47,821 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-09-10 01:17:47,821 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2019-09-10 01:17:47,822 INFO  L138        SettingsManager]:  * Ignore calls to and inside polymorphic procedures=false
[2019-09-10 01:17:47,822 INFO  L138        SettingsManager]:  * Ignore calls to recursive procedures=false
[2019-09-10 01:17:47,822 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-09-10 01:17:47,822 INFO  L138        SettingsManager]:  * Abstract domain=IntervalDomain
[2019-09-10 01:17:47,823 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-10 01:17:47,823 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-10 01:17:47,823 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-10 01:17:47,823 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-10 01:17:47,824 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-10 01:17:47,824 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-10 01:17:47,824 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-10 01:17:47,824 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-10 01:17:47,824 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-10 01:17:47,824 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-10 01:17:47,825 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-10 01:17:47,825 INFO  L138        SettingsManager]:  * Remove goto edges from RCFG=true
[2019-09-10 01:17:47,825 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-10 01:17:47,825 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-10 01:17:47,826 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-10 01:17:47,826 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-10 01:17:47,826 INFO  L138        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2019-09-10 01:17:47,826 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-10 01:17:47,826 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-10 01:17:47,827 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2019-09-10 01:17:47,856 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-10 01:17:47,868 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-10 01:17:47,872 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-10 01:17:47,873 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-10 01:17:47,874 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-10 01:17:47,875 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem103_label48.c
[2019-09-10 01:17:47,939 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623f4b007/f6a46a4a9bb8463da3709b9c30d76442/FLAG68edfa1d1
[2019-09-10 01:17:51,716 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-10 01:17:51,716 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem103_label48.c
[2019-09-10 01:17:52,096 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623f4b007/f6a46a4a9bb8463da3709b9c30d76442/FLAG68edfa1d1
[2019-09-10 01:17:52,245 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623f4b007/f6a46a4a9bb8463da3709b9c30d76442
[2019-09-10 01:17:52,254 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-10 01:17:52,255 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-10 01:17:52,256 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-10 01:17:52,256 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-10 01:17:52,259 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-10 01:17:52,260 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:17:52" (1/1) ...
[2019-09-10 01:17:52,266 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa53fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:17:52, skipping insertion in model container
[2019-09-10 01:17:52,266 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:17:52" (1/1) ...
[2019-09-10 01:17:52,274 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-10 01:17:54,633 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-10 01:18:20,393 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-10 01:18:20,401 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-10 01:18:44,658 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-10 01:18:57,497 INFO  L192         MainTranslator]: Completed translation
[2019-09-10 01:18:57,497 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57 WrapperNode
[2019-09-10 01:18:57,498 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-10 01:18:57,498 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-10 01:18:57,499 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-10 01:18:57,499 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-10 01:18:57,511 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (1/1) ...
[2019-09-10 01:18:57,511 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (1/1) ...
[2019-09-10 01:18:58,216 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (1/1) ...
[2019-09-10 01:18:58,217 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (1/1) ...
[2019-09-10 01:19:07,009 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (1/1) ...
[2019-09-10 01:19:07,312 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (1/1) ...
[2019-09-10 01:19:08,187 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (1/1) ...
[2019-09-10 01:19:09,082 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-10 01:19:09,083 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-10 01:19:09,083 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-10 01:19:09,083 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-10 01:19:09,084 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (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
[2019-09-10 01:19:09,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-10 01:19:09,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-10 01:19:09,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-10 01:19:09,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-10 01:19:09,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-10 01:19:09,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-10 01:19:09,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-10 01:19:09,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-10 01:19:09,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-10 01:19:09,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-10 01:19:09,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-10 01:19:09,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-10 01:19:09,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-10 01:19:09,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-10 01:19:09,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-10 01:19:09,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-10 01:19:09,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-10 01:19:09,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-10 01:19:09,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-10 01:19:09,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-10 01:19:09,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-10 01:19:09,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-10 01:19:09,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-10 01:19:09,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-10 01:19:09,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-10 01:19:09,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-10 01:19:09,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-10 01:19:09,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-10 01:19:09,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-10 01:19:09,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-10 01:19:09,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2019-09-10 01:19:09,152 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2019-09-10 01:19:09,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2019-09-10 01:19:09,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2019-09-10 01:19:09,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2019-09-10 01:19:09,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2019-09-10 01:19:09,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2019-09-10 01:19:09,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2019-09-10 01:19:09,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2019-09-10 01:19:09,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2019-09-10 01:19:09,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2019-09-10 01:19:09,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2019-09-10 01:19:09,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2019-09-10 01:19:09,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2019-09-10 01:19:09,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2019-09-10 01:19:09,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-10 01:19:09,155 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-10 01:19:09,156 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-10 01:19:09,157 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-10 01:19:09,157 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-10 01:19:09,157 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-10 01:19:09,157 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-10 01:19:09,157 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-10 01:19:09,157 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-10 01:19:09,158 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-10 01:19:09,158 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-10 01:19:09,158 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-10 01:19:09,158 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-10 01:19:09,158 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-10 01:19:09,158 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-10 01:19:09,159 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-10 01:19:09,159 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-10 01:19:09,159 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-10 01:19:09,159 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-10 01:19:09,159 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-10 01:19:09,159 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-10 01:19:09,159 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-10 01:19:09,160 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-10 01:19:09,160 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-10 01:19:09,160 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-10 01:19:09,160 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-10 01:19:09,160 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-10 01:19:09,160 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-10 01:19:09,160 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-10 01:19:09,161 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-10 01:19:09,161 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-10 01:19:09,161 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-10 01:19:09,161 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-10 01:19:09,161 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-10 01:19:09,161 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-10 01:19:09,161 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-10 01:19:09,162 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-10 01:19:09,162 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-10 01:19:09,162 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-10 01:19:09,162 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-10 01:19:09,162 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2019-09-10 01:19:09,162 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2019-09-10 01:19:09,163 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2019-09-10 01:19:09,163 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2019-09-10 01:19:09,163 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2019-09-10 01:19:09,163 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2019-09-10 01:19:09,163 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2019-09-10 01:19:09,163 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2019-09-10 01:19:09,164 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2019-09-10 01:19:09,164 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2019-09-10 01:19:09,164 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2019-09-10 01:19:09,164 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2019-09-10 01:19:09,164 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2019-09-10 01:19:09,164 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2019-09-10 01:19:09,165 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2019-09-10 01:19:09,165 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2019-09-10 01:19:09,165 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2019-09-10 01:19:09,165 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2019-09-10 01:19:09,165 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2019-09-10 01:19:09,165 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2019-09-10 01:19:09,165 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2019-09-10 01:19:09,166 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2019-09-10 01:19:09,166 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2019-09-10 01:19:09,166 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2019-09-10 01:19:09,166 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2019-09-10 01:19:09,166 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2019-09-10 01:19:09,166 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2019-09-10 01:19:09,166 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2019-09-10 01:19:09,167 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2019-09-10 01:19:09,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-10 01:19:09,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-10 01:19:09,167 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-10 01:19:09,167 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-10 01:19:09,167 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-10 01:19:09,167 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-10 01:20:39,674 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-10 01:20:39,674 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-10 01:20:39,686 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:20:39 BoogieIcfgContainer
[2019-09-10 01:20:39,686 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-10 01:20:39,687 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-10 01:20:39,687 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-10 01:20:39,690 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-10 01:20:39,690 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:17:52" (1/3) ...
[2019-09-10 01:20:39,691 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736e7896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:20:39, skipping insertion in model container
[2019-09-10 01:20:39,691 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:18:57" (2/3) ...
[2019-09-10 01:20:39,691 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736e7896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:20:39, skipping insertion in model container
[2019-09-10 01:20:39,692 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:20:39" (3/3) ...
[2019-09-10 01:20:39,693 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem103_label48.c
[2019-09-10 01:20:39,703 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-10 01:20:39,719 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-10 01:20:39,738 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-10 01:20:39,765 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-10 01:20:39,765 INFO  L378      AbstractCegarLoop]: Hoare is false
[2019-09-10 01:20:39,765 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-10 01:20:39,765 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-10 01:20:39,765 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-10 01:20:39,766 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-10 01:20:39,766 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-10 01:20:39,766 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-10 01:20:40,026 INFO  L276                IsEmpty]: Start isEmpty. Operand 20661 states.
[2019-09-10 01:20:44,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16650
[2019-09-10 01:20:44,051 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-10 01:20:44,065 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-10 01:20:44,069 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-10 01:20:44,081 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-10 01:20:44,089 INFO  L82        PathProgramCache]: Analyzing trace with hash 711149315, now seen corresponding path program 1 times
[2019-09-10 01:20:44,091 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-10 01:20:44,145 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-10 01:20:44,146 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-10 01:20:44,146 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-10 01:20:44,146 INFO  L289   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-10 01:20:50,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-10 01:25:15,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-10 01:25:15,859 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-10 01:25:15,860 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-10 01:25:15,860 INFO  L257   anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-10 01:25:15,894 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-10 01:25:15,908 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-10 01:25:15,909 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-10 01:25:15,912 INFO  L87              Difference]: Start difference. First operand 20661 states. Second operand 3 states.
[2019-09-10 01:27:05,223 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-10 01:27:05,224 INFO  L93              Difference]: Finished difference Result 38663 states and 71802 transitions.
[2019-09-10 01:27:05,224 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-10 01:27:05,225 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 16649
[2019-09-10 01:27:05,265 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-10 01:27:05,517 INFO  L225             Difference]: With dead ends: 38663
[2019-09-10 01:27:05,518 INFO  L226             Difference]: Without dead ends: 38595
[2019-09-10 01:27:05,520 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 77 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-10 01:27:05,608 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38595 states.
[2019-09-10 01:27:06,461 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38595 to 38202.
[2019-09-10 01:27:06,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 38202 states.
[2019-09-10 01:27:06,567 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38202 states to 38202 states and 70899 transitions.
[2019-09-10 01:27:06,568 INFO  L78                 Accepts]: Start accepts. Automaton has 38202 states and 70899 transitions. Word has length 16649
[2019-09-10 01:27:06,600 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-10 01:27:06,600 INFO  L475      AbstractCegarLoop]: Abstraction has 38202 states and 70899 transitions.
[2019-09-10 01:27:06,600 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-10 01:27:06,601 INFO  L276                IsEmpty]: Start isEmpty. Operand 38202 states and 70899 transitions.
[2019-09-10 01:27:08,767 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16667
[2019-09-10 01:27:08,767 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-10 01:27:08,776 INFO  L399         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 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[2019-09-10 01:27:08,777 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-10 01:27:08,778 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-10 01:27:08,785 INFO  L82        PathProgramCache]: Analyzing trace with hash -1545681205, now seen corresponding path program 1 times
[2019-09-10 01:27:08,785 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-10 01:27:08,790 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-10 01:27:08,790 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-10 01:27:08,790 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-10 01:27:08,790 INFO  L289   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-10 01:27:09,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-10 01:28:46,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-10 01:28:46,959 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-10 01:28:46,961 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-10 01:28:46,961 INFO  L257   anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-10 01:28:46,985 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-10 01:28:46,986 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-10 01:28:46,986 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-09-10 01:28:46,986 INFO  L87              Difference]: Start difference. First operand 38202 states and 70899 transitions. Second operand 6 states.