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_label16.c


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


This is Ultimate 0.1.24-112bae1
[2019-09-07 15:46:11,325 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-07 15:46:11,327 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-07 15:46:11,342 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-07 15:46:11,343 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-07 15:46:11,344 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-07 15:46:11,346 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-07 15:46:11,357 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-07 15:46:11,359 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-07 15:46:11,363 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-07 15:46:11,364 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-07 15:46:11,367 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-07 15:46:11,368 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-07 15:46:11,369 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-07 15:46:11,370 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-07 15:46:11,373 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-07 15:46:11,374 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-07 15:46:11,375 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-07 15:46:11,380 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-07 15:46:11,382 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-07 15:46:11,387 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-07 15:46:11,388 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-07 15:46:11,389 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-07 15:46:11,390 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-07 15:46:11,392 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-07 15:46:11,392 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-07 15:46:11,392 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-07 15:46:11,393 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-07 15:46:11,394 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-07 15:46:11,395 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-07 15:46:11,395 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-07 15:46:11,396 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-07 15:46:11,397 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-07 15:46:11,397 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-07 15:46:11,400 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-07 15:46:11,400 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-07 15:46:11,402 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-07 15:46:11,402 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-07 15:46:11,403 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-07 15:46:11,404 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-07 15:46:11,404 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-07 15:46:11,406 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 15:46:11,432 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-07 15:46:11,433 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-07 15:46:11,435 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-07 15:46:11,435 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-07 15:46:11,436 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-07 15:46:11,436 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-07 15:46:11,436 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-07 15:46:11,436 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-07 15:46:11,437 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-07 15:46:11,437 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-07 15:46:11,438 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-07 15:46:11,439 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-07 15:46:11,439 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-07 15:46:11,439 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-07 15:46:11,440 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-07 15:46:11,440 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-07 15:46:11,440 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-07 15:46:11,440 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-07 15:46:11,441 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-07 15:46:11,441 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-07 15:46:11,441 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-07 15:46:11,442 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-07 15:46:11,442 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-07 15:46:11,442 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-07 15:46:11,443 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-07 15:46:11,443 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-07 15:46:11,443 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-07 15:46:11,443 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-07 15:46:11,444 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-07 15:46:11,500 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-07 15:46:11,520 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-07 15:46:11,525 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-07 15:46:11,527 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-07 15:46:11,527 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-07 15:46:11,528 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label16.c
[2019-09-07 15:46:11,612 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f70da287d/ef65a6379460451392272f396a03f4b0/FLAGcef1614d8
[2019-09-07 15:46:13,982 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-07 15:46:13,983 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label16.c
[2019-09-07 15:46:14,193 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f70da287d/ef65a6379460451392272f396a03f4b0/FLAGcef1614d8
[2019-09-07 15:46:14,484 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f70da287d/ef65a6379460451392272f396a03f4b0
[2019-09-07 15:46:14,496 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-07 15:46:14,498 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-07 15:46:14,499 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-07 15:46:14,499 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-07 15:46:14,503 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-07 15:46:14,504 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:46:14" (1/1) ...
[2019-09-07 15:46:14,507 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d65f0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:14, skipping insertion in model container
[2019-09-07 15:46:14,507 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:46:14" (1/1) ...
[2019-09-07 15:46:14,515 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-07 15:46:15,804 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-07 15:46:30,286 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 15:46:30,291 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-07 15:46:39,297 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-07 15:46:40,114 INFO  L192         MainTranslator]: Completed translation
[2019-09-07 15:46:40,115 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40 WrapperNode
[2019-09-07 15:46:40,115 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-07 15:46:40,116 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-07 15:46:40,117 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-07 15:46:40,117 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-07 15:46:40,128 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (1/1) ...
[2019-09-07 15:46:40,128 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (1/1) ...
[2019-09-07 15:46:40,526 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (1/1) ...
[2019-09-07 15:46:40,526 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (1/1) ...
[2019-09-07 15:46:43,748 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (1/1) ...
[2019-09-07 15:46:43,918 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (1/1) ...
[2019-09-07 15:46:44,498 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (1/1) ...
[2019-09-07 15:46:44,873 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-07 15:46:44,874 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-07 15:46:44,874 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-07 15:46:44,874 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-07 15:46:44,875 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (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 15:46:44,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-07 15:46:44,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-07 15:46:44,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-09-07 15:46:44,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2019-09-07 15:46:44,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2019-09-07 15:46:44,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2019-09-07 15:46:44,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2019-09-07 15:46:44,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2019-09-07 15:46:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2019-09-07 15:46:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2019-09-07 15:46:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2019-09-07 15:46:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2019-09-07 15:46:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2019-09-07 15:46:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2019-09-07 15:46:44,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2019-09-07 15:46:44,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2019-09-07 15:46:44,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2019-09-07 15:46:44,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2019-09-07 15:46:44,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2019-09-07 15:46:44,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2019-09-07 15:46:44,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2019-09-07 15:46:44,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2019-09-07 15:46:44,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2019-09-07 15:46:44,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2019-09-07 15:46:44,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2019-09-07 15:46:44,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2019-09-07 15:46:44,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2019-09-07 15:46:44,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2019-09-07 15:46:44,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2019-09-07 15:46:44,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2019-09-07 15:46:44,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2019-09-07 15:46:44,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2019-09-07 15:46:44,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2019-09-07 15:46:44,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2019-09-07 15:46:44,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2019-09-07 15:46:44,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2019-09-07 15:46:44,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2019-09-07 15:46:44,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2019-09-07 15:46:44,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2019-09-07 15:46:44,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2019-09-07 15:46:44,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-07 15:46:44,933 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2019-09-07 15:46:44,933 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2019-09-07 15:46:44,934 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2019-09-07 15:46:44,935 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2019-09-07 15:46:44,936 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2019-09-07 15:46:44,936 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2019-09-07 15:46:44,936 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2019-09-07 15:46:44,936 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2019-09-07 15:46:44,936 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2019-09-07 15:46:44,936 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2019-09-07 15:46:44,937 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2019-09-07 15:46:44,937 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2019-09-07 15:46:44,937 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2019-09-07 15:46:44,937 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2019-09-07 15:46:44,937 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2019-09-07 15:46:44,937 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2019-09-07 15:46:44,938 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2019-09-07 15:46:44,938 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2019-09-07 15:46:44,938 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2019-09-07 15:46:44,938 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2019-09-07 15:46:44,938 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2019-09-07 15:46:44,938 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2019-09-07 15:46:44,938 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2019-09-07 15:46:44,939 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2019-09-07 15:46:44,939 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2019-09-07 15:46:44,939 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2019-09-07 15:46:44,939 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2019-09-07 15:46:44,939 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2019-09-07 15:46:44,939 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2019-09-07 15:46:44,940 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-07 15:46:44,940 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-07 15:46:44,940 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-09-07 15:46:44,940 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-07 15:46:44,940 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-07 15:46:44,940 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-07 15:47:32,291 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-07 15:47:32,291 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-07 15:47:32,298 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:47:32 BoogieIcfgContainer
[2019-09-07 15:47:32,298 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-07 15:47:32,299 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-07 15:47:32,299 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-09-07 15:47:32,303 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-09-07 15:47:32,303 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 03:46:14" (1/3) ...
[2019-09-07 15:47:32,304 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9178fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:47:32, skipping insertion in model container
[2019-09-07 15:47:32,304 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:46:40" (2/3) ...
[2019-09-07 15:47:32,304 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9178fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:47:32, skipping insertion in model container
[2019-09-07 15:47:32,305 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:47:32" (3/3) ...
[2019-09-07 15:47:32,306 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem07_label16.c
[2019-09-07 15:47:32,317 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-07 15:47:32,333 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-07 15:47:32,351 INFO  L252      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-07 15:47:32,437 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2019-09-07 15:47:32,438 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2019-09-07 15:47:32,438 INFO  L378      AbstractCegarLoop]: Hoare is true
[2019-09-07 15:47:32,439 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-07 15:47:32,439 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-07 15:47:32,439 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-07 15:47:32,439 INFO  L382      AbstractCegarLoop]: Difference is false
[2019-09-07 15:47:32,440 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-07 15:47:32,440 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-07 15:47:32,596 INFO  L276                IsEmpty]: Start isEmpty. Operand 10446 states.
[2019-09-07 15:47:33,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10234
[2019-09-07 15:47:33,892 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:47:33,900 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 15:47:33,903 INFO  L418      AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:47:33,912 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:47:33,916 INFO  L82        PathProgramCache]: Analyzing trace with hash 1728476453, now seen corresponding path program 1 times
[2019-09-07 15:47:33,918 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:47:33,918 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:47:33,961 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:47:33,962 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:47:33,962 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:47:36,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:49:08,940 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 15:49:08,943 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-07 15:49:08,945 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-07 15:49:08,965 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-07 15:49:08,980 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-07 15:49:08,982 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-07 15:49:08,984 INFO  L87              Difference]: Start difference. First operand 10446 states. Second operand 3 states.
[2019-09-07 15:50:09,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:50:09,455 INFO  L93              Difference]: Finished difference Result 31264 states and 61877 transitions.
[2019-09-07 15:50:09,456 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-09-07 15:50:09,458 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10233
[2019-09-07 15:50:09,481 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:50:09,633 INFO  L225             Difference]: With dead ends: 31264
[2019-09-07 15:50:09,633 INFO  L226             Difference]: Without dead ends: 20756
[2019-09-07 15:50:09,666 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 15:50:09,738 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20756 states.
[2019-09-07 15:50:10,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20756 to 20756.
[2019-09-07 15:50:10,281 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20756 states.
[2019-09-07 15:50:10,368 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20756 states to 20756 states and 40378 transitions.
[2019-09-07 15:50:10,370 INFO  L78                 Accepts]: Start accepts. Automaton has 20756 states and 40378 transitions. Word has length 10233
[2019-09-07 15:50:10,393 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:50:10,393 INFO  L475      AbstractCegarLoop]: Abstraction has 20756 states and 40378 transitions.
[2019-09-07 15:50:10,393 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-07 15:50:10,394 INFO  L276                IsEmpty]: Start isEmpty. Operand 20756 states and 40378 transitions.
[2019-09-07 15:50:11,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10242
[2019-09-07 15:50:11,493 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:50:11,498 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 15:50:11,499 INFO  L418      AbstractCegarLoop]: === Iteration 2 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:50:11,500 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:50:11,504 INFO  L82        PathProgramCache]: Analyzing trace with hash -1809214223, now seen corresponding path program 1 times
[2019-09-07 15:50:11,505 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:50:11,505 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:50:11,509 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:50:11,509 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:50:11,509 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:50:13,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:51:48,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:51:48,442 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2019-09-07 15:51:48,442 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 15:51:48,456 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:51:51,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:51:51,445 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12265 conjuncts, 94 conjunts are in the unsatisfiable core
[2019-09-07 15:51:51,680 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-09-07 15:52:51,095 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 15:52:51,112 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2019-09-07 15:52:51,115 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2019-09-07 15:52:51,146 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-09-07 15:52:51,146 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-09-07 15:52:51,147 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-09-07 15:52:51,147 INFO  L87              Difference]: Start difference. First operand 20756 states and 40378 transitions. Second operand 7 states.
[2019-09-07 15:55:47,171 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-07 15:55:47,172 INFO  L93              Difference]: Finished difference Result 105423 states and 206739 transitions.
[2019-09-07 15:55:47,177 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2019-09-07 15:55:47,177 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 10241
[2019-09-07 15:55:47,200 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-07 15:55:47,584 INFO  L225             Difference]: With dead ends: 105423
[2019-09-07 15:55:47,584 INFO  L226             Difference]: Without dead ends: 84673
[2019-09-07 15:55:47,694 INFO  L628         BasicCegarLoop]: 0 DeclaredPredicates, 10307 GetRequests, 10295 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182
[2019-09-07 15:55:47,847 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84673 states.
[2019-09-07 15:55:49,848 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84673 to 84099.
[2019-09-07 15:55:49,849 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 84099 states.
[2019-09-07 15:55:50,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84099 states to 84099 states and 114369 transitions.
[2019-09-07 15:55:50,028 INFO  L78                 Accepts]: Start accepts. Automaton has 84099 states and 114369 transitions. Word has length 10241
[2019-09-07 15:55:50,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-09-07 15:55:50,039 INFO  L475      AbstractCegarLoop]: Abstraction has 84099 states and 114369 transitions.
[2019-09-07 15:55:50,039 INFO  L476      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-09-07 15:55:50,039 INFO  L276                IsEmpty]: Start isEmpty. Operand 84099 states and 114369 transitions.
[2019-09-07 15:55:54,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10263
[2019-09-07 15:55:54,780 INFO  L391         BasicCegarLoop]: Found error trace
[2019-09-07 15:55:54,787 INFO  L399         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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[2019-09-07 15:55:54,788 INFO  L418      AbstractCegarLoop]: === Iteration 3 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-07 15:55:54,788 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-09-07 15:55:54,792 INFO  L82        PathProgramCache]: Analyzing trace with hash 1350437451, now seen corresponding path program 1 times
[2019-09-07 15:55:54,792 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2019-09-07 15:55:54,793 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2019-09-07 15:55:54,796 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:55:54,796 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:55:54,796 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-07 15:55:55,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:56:27,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:56:27,586 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2019-09-07 15:56:27,586 INFO  L223   ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2019-09-07 15:56:27,602 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-07 15:56:30,550 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-07 15:56:30,593 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12358 conjuncts, 4 conjunts are in the unsatisfiable core
[2019-09-07 15:56:30,771 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-09-07 15:57:01,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-07 15:57:01,343 INFO  L312   seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2019-09-07 15:57:01,346 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9
[2019-09-07 15:57:01,358 INFO  L454      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-09-07 15:57:01,358 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-09-07 15:57:01,359 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-09-07 15:57:01,359 INFO  L87              Difference]: Start difference. First operand 84099 states and 114369 transitions. Second operand 9 states.