/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c


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


This is Ultimate 0.1.25-177f698
[2020-08-21 14:57:45,064 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 14:57:45,067 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 14:57:45,092 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 14:57:45,092 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 14:57:45,094 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 14:57:45,095 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 14:57:45,097 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 14:57:45,098 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 14:57:45,099 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-08-21 14:57:45,101 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 14:57:45,102 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 14:57:45,103 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 14:57:45,104 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 14:57:45,105 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 14:57:45,106 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 14:57:45,107 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 14:57:45,108 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 14:57:45,110 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 14:57:45,112 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 14:57:45,113 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 14:57:45,114 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 14:57:45,115 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 14:57:45,117 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 14:57:45,117 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 14:57:45,118 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 14:57:45,119 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 14:57:45,119 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-08-21 14:57:45,120 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 14:57:45,121 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 14:57:45,122 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 14:57:45,122 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 14:57:45,123 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 14:57:45,124 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-08-21 14:57:45,125 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-08-21 14:57:45,126 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 14:57:45,127 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-21 14:57:45,153 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 14:57:45,154 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 14:57:45,155 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 14:57:45,155 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 14:57:45,155 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 14:57:45,156 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 14:57:45,156 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 14:57:45,156 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 14:57:45,156 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 14:57:45,156 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 14:57:45,156 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 14:57:45,157 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 14:57:45,157 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 14:57:45,157 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 14:57:45,157 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 14:57:45,157 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 14:57:45,158 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 14:57:45,158 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 14:57:45,158 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 14:57:45,158 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 14:57:45,158 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 14:57:45,159 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 14:57:45,159 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 14:57:45,159 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 14:57:45,159 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 14:57:45,159 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 14:57:45,159 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 14:57:45,160 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 14:57:45,160 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 14:57:45,160 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true;
[2020-08-21 14:57:45,468 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 14:57:45,480 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 14:57:45,483 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 14:57:45,485 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 14:57:45,485 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 14:57:45,486 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c
[2020-08-21 14:57:45,570 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9437ac277/620ca472dc3b4432a95620510084378c/FLAG6f6d69d19
[2020-08-21 14:57:46,181 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 14:57:46,182 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c
[2020-08-21 14:57:46,200 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9437ac277/620ca472dc3b4432a95620510084378c/FLAG6f6d69d19
[2020-08-21 14:57:46,505 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9437ac277/620ca472dc3b4432a95620510084378c
[2020-08-21 14:57:46,515 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 14:57:46,516 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 14:57:46,517 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 14:57:46,518 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 14:57:46,521 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 14:57:46,522 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:57:46" (1/1) ...
[2020-08-21 14:57:46,525 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c294ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:46, skipping insertion in model container
[2020-08-21 14:57:46,526 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:57:46" (1/1) ...
[2020-08-21 14:57:46,534 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 14:57:46,588 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 14:57:47,129 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 14:57:47,136 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 14:57:47,227 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 14:57:47,244 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 14:57:47,244 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47 WrapperNode
[2020-08-21 14:57:47,244 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 14:57:47,245 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 14:57:47,246 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 14:57:47,246 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 14:57:47,260 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
[2020-08-21 14:57:47,261 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
[2020-08-21 14:57:47,292 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
[2020-08-21 14:57:47,293 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
[2020-08-21 14:57:47,332 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
[2020-08-21 14:57:47,354 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
[2020-08-21 14:57:47,365 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
[2020-08-21 14:57:47,372 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 14:57:47,373 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 14:57:47,374 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 14:57:47,374 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 14:57:47,375 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-08-21 14:57:47,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 14:57:47,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 14:57:47,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-08-21 14:57:47,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 14:57:47,453 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-08-21 14:57:47,453 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 14:57:47,453 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 14:57:47,454 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-08-21 14:57:47,454 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 14:57:47,454 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 14:57:47,455 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 14:57:48,724 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 14:57:48,724 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-08-21 14:57:48,738 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:57:48 BoogieIcfgContainer
[2020-08-21 14:57:48,738 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 14:57:48,743 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 14:57:48,744 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 14:57:48,748 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 14:57:48,749 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:57:46" (1/3) ...
[2020-08-21 14:57:48,750 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1ac6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:57:48, skipping insertion in model container
[2020-08-21 14:57:48,750 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:47" (2/3) ...
[2020-08-21 14:57:48,751 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1ac6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:57:48, skipping insertion in model container
[2020-08-21 14:57:48,751 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:57:48" (3/3) ...
[2020-08-21 14:57:48,753 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem01_label43.c
[2020-08-21 14:57:48,766 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 14:57:48,780 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 14:57:48,797 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 14:57:48,832 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 14:57:48,832 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 14:57:48,832 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 14:57:48,832 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 14:57:48,833 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 14:57:48,833 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 14:57:48,833 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 14:57:48,834 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 14:57:48,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 207 states.
[2020-08-21 14:57:48,882 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2020-08-21 14:57:48,883 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:57:48,884 INFO  L422         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]
[2020-08-21 14:57:48,885 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:57:48,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:57:48,893 INFO  L82        PathProgramCache]: Analyzing trace with hash -1457340122, now seen corresponding path program 1 times
[2020-08-21 14:57:48,903 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:57:48,903 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128087347]
[2020-08-21 14:57:48,904 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:57:49,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:49,508 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:57:49,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:49,640 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 14:57:49,641 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128087347]
[2020-08-21 14:57:49,643 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:57:49,644 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 14:57:49,645 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523366210]
[2020-08-21 14:57:49,653 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-21 14:57:49,653 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:57:49,669 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-21 14:57:49,670 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-08-21 14:57:49,672 INFO  L87              Difference]: Start difference. First operand 207 states. Second operand 5 states.
[2020-08-21 14:57:51,232 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:57:51,232 INFO  L93              Difference]: Finished difference Result 557 states and 956 transitions.
[2020-08-21 14:57:51,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-21 14:57:51,234 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 134
[2020-08-21 14:57:51,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:57:51,262 INFO  L225             Difference]: With dead ends: 557
[2020-08-21 14:57:51,262 INFO  L226             Difference]: Without dead ends: 286
[2020-08-21 14:57:51,272 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2020-08-21 14:57:51,289 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2020-08-21 14:57:51,344 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280.
[2020-08-21 14:57:51,345 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 280 states.
[2020-08-21 14:57:51,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions.
[2020-08-21 14:57:51,352 INFO  L78                 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 134
[2020-08-21 14:57:51,353 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:57:51,353 INFO  L479      AbstractCegarLoop]: Abstraction has 280 states and 408 transitions.
[2020-08-21 14:57:51,353 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-21 14:57:51,353 INFO  L276                IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions.
[2020-08-21 14:57:51,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-08-21 14:57:51,361 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:57:51,362 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 14:57:51,362 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 14:57:51,362 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:57:51,362 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:57:51,363 INFO  L82        PathProgramCache]: Analyzing trace with hash -1707028349, now seen corresponding path program 1 times
[2020-08-21 14:57:51,363 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:57:51,363 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599153126]
[2020-08-21 14:57:51,363 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:57:51,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:51,495 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:57:51,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:51,524 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-21 14:57:51,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:51,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 14:57:51,562 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599153126]
[2020-08-21 14:57:51,562 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:57:51,563 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-08-21 14:57:51,563 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613722678]
[2020-08-21 14:57:51,565 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 14:57:51,566 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:57:51,566 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 14:57:51,566 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-21 14:57:51,566 INFO  L87              Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states.
[2020-08-21 14:57:53,507 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:57:53,508 INFO  L93              Difference]: Finished difference Result 987 states and 1481 transitions.
[2020-08-21 14:57:53,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-08-21 14:57:53,509 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 143
[2020-08-21 14:57:53,510 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:57:53,516 INFO  L225             Difference]: With dead ends: 987
[2020-08-21 14:57:53,516 INFO  L226             Difference]: Without dead ends: 713
[2020-08-21 14:57:53,518 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210
[2020-08-21 14:57:53,520 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 713 states.
[2020-08-21 14:57:53,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699.
[2020-08-21 14:57:53,575 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 699 states.
[2020-08-21 14:57:53,584 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 978 transitions.
[2020-08-21 14:57:53,584 INFO  L78                 Accepts]: Start accepts. Automaton has 699 states and 978 transitions. Word has length 143
[2020-08-21 14:57:53,585 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:57:53,585 INFO  L479      AbstractCegarLoop]: Abstraction has 699 states and 978 transitions.
[2020-08-21 14:57:53,585 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 14:57:53,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 699 states and 978 transitions.
[2020-08-21 14:57:53,596 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2020-08-21 14:57:53,596 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:57:53,596 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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]
[2020-08-21 14:57:53,597 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 14:57:53,597 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:57:53,597 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:57:53,597 INFO  L82        PathProgramCache]: Analyzing trace with hash 2051373422, now seen corresponding path program 1 times
[2020-08-21 14:57:53,597 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:57:53,598 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810811907]
[2020-08-21 14:57:53,603 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:57:53,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:53,718 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:57:53,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:53,737 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-21 14:57:53,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:53,744 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-08-21 14:57:53,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:53,814 INFO  L134       CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-08-21 14:57:53,814 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810811907]
[2020-08-21 14:57:53,815 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 14:57:53,816 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-08-21 14:57:53,816 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969427260]
[2020-08-21 14:57:53,817 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-21 14:57:53,817 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:57:53,817 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-21 14:57:53,819 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-08-21 14:57:53,827 INFO  L87              Difference]: Start difference. First operand 699 states and 978 transitions. Second operand 7 states.
[2020-08-21 14:57:55,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:57:55,280 INFO  L93              Difference]: Finished difference Result 1692 states and 2446 transitions.
[2020-08-21 14:57:55,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-08-21 14:57:55,281 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 168
[2020-08-21 14:57:55,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:57:55,289 INFO  L225             Difference]: With dead ends: 1692
[2020-08-21 14:57:55,290 INFO  L226             Difference]: Without dead ends: 999
[2020-08-21 14:57:55,292 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2020-08-21 14:57:55,294 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 999 states.
[2020-08-21 14:57:55,362 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 838.
[2020-08-21 14:57:55,362 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 838 states.
[2020-08-21 14:57:55,367 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1174 transitions.
[2020-08-21 14:57:55,368 INFO  L78                 Accepts]: Start accepts. Automaton has 838 states and 1174 transitions. Word has length 168
[2020-08-21 14:57:55,368 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:57:55,368 INFO  L479      AbstractCegarLoop]: Abstraction has 838 states and 1174 transitions.
[2020-08-21 14:57:55,369 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-21 14:57:55,369 INFO  L276                IsEmpty]: Start isEmpty. Operand 838 states and 1174 transitions.
[2020-08-21 14:57:55,373 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-08-21 14:57:55,373 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:57:55,373 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-08-21 14:57:55,374 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 14:57:55,374 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:57:55,374 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:57:55,374 INFO  L82        PathProgramCache]: Analyzing trace with hash -275607306, now seen corresponding path program 1 times
[2020-08-21 14:57:55,375 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:57:55,375 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388577124]
[2020-08-21 14:57:55,375 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:57:55,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:55,478 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:57:55,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:55,496 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-21 14:57:55,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:55,507 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2020-08-21 14:57:55,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:55,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-08-21 14:57:55,578 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388577124]
[2020-08-21 14:57:55,578 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 14:57:55,578 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-08-21 14:57:55,578 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822268467]
[2020-08-21 14:57:55,579 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-21 14:57:55,579 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:57:55,579 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-21 14:57:55,580 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-08-21 14:57:55,580 INFO  L87              Difference]: Start difference. First operand 838 states and 1174 transitions. Second operand 7 states.
[2020-08-21 14:57:56,838 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:57:56,838 INFO  L93              Difference]: Finished difference Result 2117 states and 3037 transitions.
[2020-08-21 14:57:56,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-21 14:57:56,839 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 172
[2020-08-21 14:57:56,839 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:57:56,847 INFO  L225             Difference]: With dead ends: 2117
[2020-08-21 14:57:56,848 INFO  L226             Difference]: Without dead ends: 1285
[2020-08-21 14:57:56,851 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-08-21 14:57:56,852 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1285 states.
[2020-08-21 14:57:56,882 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 860.
[2020-08-21 14:57:56,883 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 860 states.
[2020-08-21 14:57:56,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1157 transitions.
[2020-08-21 14:57:56,888 INFO  L78                 Accepts]: Start accepts. Automaton has 860 states and 1157 transitions. Word has length 172
[2020-08-21 14:57:56,889 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:57:56,889 INFO  L479      AbstractCegarLoop]: Abstraction has 860 states and 1157 transitions.
[2020-08-21 14:57:56,889 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-21 14:57:56,889 INFO  L276                IsEmpty]: Start isEmpty. Operand 860 states and 1157 transitions.
[2020-08-21 14:57:56,894 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 202
[2020-08-21 14:57:56,894 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:57:56,894 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-08-21 14:57:56,895 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 14:57:56,895 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:57:56,895 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:57:56,896 INFO  L82        PathProgramCache]: Analyzing trace with hash -603423133, now seen corresponding path program 1 times
[2020-08-21 14:57:56,896 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:57:56,896 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86868129]
[2020-08-21 14:57:56,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:57:56,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:57,010 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:57:57,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:57,028 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-21 14:57:57,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:57,039 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2020-08-21 14:57:57,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:57,053 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2020-08-21 14:57:57,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:57:57,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 111 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-08-21 14:57:57,125 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86868129]
[2020-08-21 14:57:57,126 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 14:57:57,126 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-08-21 14:57:57,126 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672572059]
[2020-08-21 14:57:57,127 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 14:57:57,127 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:57:57,127 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 14:57:57,128 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-21 14:57:57,128 INFO  L87              Difference]: Start difference. First operand 860 states and 1157 transitions. Second operand 8 states.
[2020-08-21 14:57:59,303 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:57:59,304 INFO  L93              Difference]: Finished difference Result 2578 states and 3558 transitions.
[2020-08-21 14:57:59,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-08-21 14:57:59,305 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 201
[2020-08-21 14:57:59,305 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:57:59,305 INFO  L225             Difference]: With dead ends: 2578
[2020-08-21 14:57:59,305 INFO  L226             Difference]: Without dead ends: 0
[2020-08-21 14:57:59,313 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-08-21 14:57:59,313 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 14:57:59,314 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 14:57:59,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 14:57:59,314 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 14:57:59,314 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201
[2020-08-21 14:57:59,315 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:57:59,315 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 14:57:59,315 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 14:57:59,315 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 14:57:59,316 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 14:57:59,317 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 14:57:59,319 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 14:57:59,941 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 34
[2020-08-21 14:58:00,013 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 14:58:00,013 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|))
[2020-08-21 14:58:00,014 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 14:58:00,014 INFO  L268        CegarLoopResult]: For program point  L333(lines 333 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,014 INFO  L268        CegarLoopResult]: For program point  L102(lines 102 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,014 INFO  L268        CegarLoopResult]: For program point  L565-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,014 INFO  L268        CegarLoopResult]: For program point  L532-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,015 INFO  L268        CegarLoopResult]: For program point  L499-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,015 INFO  L268        CegarLoopResult]: For program point  L466-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,015 INFO  L268        CegarLoopResult]: For program point  L433-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,015 INFO  L268        CegarLoopResult]: For program point  L400-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,015 INFO  L268        CegarLoopResult]: For program point  L268(lines 268 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,015 INFO  L268        CegarLoopResult]: For program point  L136(lines 136 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,015 INFO  L268        CegarLoopResult]: For program point  L566(line 566)  no Hoare annotation was computed.
[2020-08-21 14:58:00,016 INFO  L268        CegarLoopResult]: For program point  L533(line 533)  no Hoare annotation was computed.
[2020-08-21 14:58:00,016 INFO  L268        CegarLoopResult]: For program point  L500(line 500)  no Hoare annotation was computed.
[2020-08-21 14:58:00,016 INFO  L268        CegarLoopResult]: For program point  L467(line 467)  no Hoare annotation was computed.
[2020-08-21 14:58:00,016 INFO  L268        CegarLoopResult]: For program point  L434(line 434)  no Hoare annotation was computed.
[2020-08-21 14:58:00,016 INFO  L268        CegarLoopResult]: For program point  L401(line 401)  no Hoare annotation was computed.
[2020-08-21 14:58:00,016 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,016 INFO  L268        CegarLoopResult]: For program point  L72(lines 72 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,017 INFO  L268        CegarLoopResult]: For program point  L568-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,017 INFO  L268        CegarLoopResult]: For program point  L535-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,017 INFO  L268        CegarLoopResult]: For program point  L502-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,017 INFO  L268        CegarLoopResult]: For program point  L469-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,017 INFO  L268        CegarLoopResult]: For program point  L436-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,017 INFO  L268        CegarLoopResult]: For program point  L403-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,017 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,018 INFO  L268        CegarLoopResult]: For program point  L238(lines 238 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,018 INFO  L268        CegarLoopResult]: For program point  L569(line 569)  no Hoare annotation was computed.
[2020-08-21 14:58:00,018 INFO  L268        CegarLoopResult]: For program point  L536(line 536)  no Hoare annotation was computed.
[2020-08-21 14:58:00,018 INFO  L268        CegarLoopResult]: For program point  L503(line 503)  no Hoare annotation was computed.
[2020-08-21 14:58:00,018 INFO  L268        CegarLoopResult]: For program point  L470(line 470)  no Hoare annotation was computed.
[2020-08-21 14:58:00,018 INFO  L268        CegarLoopResult]: For program point  L437(line 437)  no Hoare annotation was computed.
[2020-08-21 14:58:00,018 INFO  L268        CegarLoopResult]: For program point  L404(line 404)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  L173(lines 173 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  L140(lines 140 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  L372(lines 372 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  L273(lines 273 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  L108(lines 108 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,019 INFO  L268        CegarLoopResult]: For program point  L571-1(lines 571 573)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L538-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L505-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L472-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L439-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L406-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L208(lines 208 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L43(lines 43 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,020 INFO  L268        CegarLoopResult]: For program point  L572(line 572)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L539(line 539)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L506(line 506)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L473(line 473)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L440(line 440)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L407(line 407)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L144(lines 144 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L541-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,021 INFO  L268        CegarLoopResult]: For program point  L508-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,022 INFO  L268        CegarLoopResult]: For program point  L475-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,022 INFO  L268        CegarLoopResult]: For program point  L442-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,022 INFO  L268        CegarLoopResult]: For program point  L409-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,022 INFO  L268        CegarLoopResult]: For program point  L178(lines 178 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,022 INFO  L268        CegarLoopResult]: For program point  L542(line 542)  no Hoare annotation was computed.
[2020-08-21 14:58:00,022 INFO  L268        CegarLoopResult]: For program point  L509(line 509)  no Hoare annotation was computed.
[2020-08-21 14:58:00,022 INFO  L268        CegarLoopResult]: For program point  L476(line 476)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L443(line 443)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L410(line 410)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L377(lines 377 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L278(lines 278 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L245(lines 245 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L80(lines 80 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,023 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L114(lines 114 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L544-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L511-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L478-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L445-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L412-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L214(lines 214 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,024 INFO  L268        CegarLoopResult]: For program point  L148(lines 148 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  L49(lines 49 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  L545(line 545)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  L512(line 512)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  L479(line 479)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  L446(line 446)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  L413(line 413)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  L84(lines 84 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,025 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L547-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L514-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L481-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L448-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L382(lines 382 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L415-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L316(lines 316 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L250(lines 250 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,026 INFO  L268        CegarLoopResult]: For program point  L548(line 548)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L515(line 515)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L482(line 482)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L449(line 449)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L416(line 416)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L152(lines 152 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,027 INFO  L268        CegarLoopResult]: For program point  L318(lines 318 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L186(lines 186 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L54(lines 54 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L550-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L517-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L484-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L451-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L418-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,028 INFO  L268        CegarLoopResult]: For program point  L551(line 551)  no Hoare annotation was computed.
[2020-08-21 14:58:00,029 INFO  L268        CegarLoopResult]: For program point  L518(line 518)  no Hoare annotation was computed.
[2020-08-21 14:58:00,029 INFO  L268        CegarLoopResult]: For program point  L485(line 485)  no Hoare annotation was computed.
[2020-08-21 14:58:00,029 INFO  L268        CegarLoopResult]: For program point  L452(line 452)  no Hoare annotation was computed.
[2020-08-21 14:58:00,029 INFO  L268        CegarLoopResult]: For program point  L419(line 419)  no Hoare annotation was computed.
[2020-08-21 14:58:00,029 INFO  L268        CegarLoopResult]: For program point  L353(lines 353 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,029 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,029 INFO  L268        CegarLoopResult]: For program point  L553-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,030 INFO  L268        CegarLoopResult]: For program point  L520-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,030 INFO  L268        CegarLoopResult]: For program point  L487-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,030 INFO  L268        CegarLoopResult]: For program point  L454-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,030 INFO  L268        CegarLoopResult]: For program point  L421-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,030 INFO  L268        CegarLoopResult]: For program point  L355(lines 355 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,030 INFO  L268        CegarLoopResult]: For program point  L256(lines 256 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,030 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,031 INFO  L268        CegarLoopResult]: For program point  L124(lines 124 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,031 INFO  L268        CegarLoopResult]: For program point  L554(line 554)  no Hoare annotation was computed.
[2020-08-21 14:58:00,031 INFO  L268        CegarLoopResult]: For program point  L521(line 521)  no Hoare annotation was computed.
[2020-08-21 14:58:00,031 INFO  L268        CegarLoopResult]: For program point  L488(line 488)  no Hoare annotation was computed.
[2020-08-21 14:58:00,031 INFO  L268        CegarLoopResult]: For program point  L455(line 455)  no Hoare annotation was computed.
[2020-08-21 14:58:00,031 INFO  L268        CegarLoopResult]: For program point  L422(line 422)  no Hoare annotation was computed.
[2020-08-21 14:58:00,031 INFO  L268        CegarLoopResult]: For program point  L92(lines 92 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,032 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 30 575)  the Hoare annotation is:  (let ((.cse0 (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)))) (and (or (not (<= |old(~a16~0)| 5)) .cse0) (or (not (<= 15 |old(~a8~0)|)) .cse0 (not (= |old(~a21~0)| 1))) (or (not (= |old(~a20~0)| 1)) .cse0)))
[2020-08-21 14:58:00,032 INFO  L268        CegarLoopResult]: For program point  L324(lines 324 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,032 INFO  L268        CegarLoopResult]: For program point  L556-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,032 INFO  L268        CegarLoopResult]: For program point  L523-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,032 INFO  L268        CegarLoopResult]: For program point  L490-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,032 INFO  L268        CegarLoopResult]: For program point  L457-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,033 INFO  L268        CegarLoopResult]: For program point  L391(lines 391 393)  no Hoare annotation was computed.
[2020-08-21 14:58:00,033 INFO  L268        CegarLoopResult]: For program point  L424-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,033 INFO  L268        CegarLoopResult]: For program point  L391-2(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,033 INFO  L268        CegarLoopResult]: For program point  L292(lines 292 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,033 INFO  L268        CegarLoopResult]: For program point  L160(lines 160 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,033 INFO  L268        CegarLoopResult]: For program point  L557(line 557)  no Hoare annotation was computed.
[2020-08-21 14:58:00,033 INFO  L268        CegarLoopResult]: For program point  L524(line 524)  no Hoare annotation was computed.
[2020-08-21 14:58:00,034 INFO  L268        CegarLoopResult]: For program point  L491(line 491)  no Hoare annotation was computed.
[2020-08-21 14:58:00,034 INFO  L268        CegarLoopResult]: For program point  L458(line 458)  no Hoare annotation was computed.
[2020-08-21 14:58:00,034 INFO  L268        CegarLoopResult]: For program point  L425(line 425)  no Hoare annotation was computed.
[2020-08-21 14:58:00,034 INFO  L268        CegarLoopResult]: For program point  L392(line 392)  no Hoare annotation was computed.
[2020-08-21 14:58:00,034 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,034 INFO  L268        CegarLoopResult]: For program point  L62(lines 62 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,034 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L129(lines 129 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L559-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L526-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L493-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L460-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L427-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,035 INFO  L268        CegarLoopResult]: For program point  L394-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L97(lines 97 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L31(lines 31 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L560(line 560)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L527(line 527)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L494(line 494)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L461(line 461)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L428(line 428)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L395(line 395)  no Hoare annotation was computed.
[2020-08-21 14:58:00,036 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L197(lines 197 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L363(lines 363 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L562-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L529-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L496-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,037 INFO  L268        CegarLoopResult]: For program point  L463-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L430-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L397-1(lines 30 575)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L563(line 563)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L530(line 530)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L497(line 497)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L464(line 464)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L431(line 431)  no Hoare annotation was computed.
[2020-08-21 14:58:00,038 INFO  L268        CegarLoopResult]: For program point  L398(line 398)  no Hoare annotation was computed.
[2020-08-21 14:58:00,039 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,039 INFO  L268        CegarLoopResult]: For program point  L299(lines 299 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,039 INFO  L268        CegarLoopResult]: For program point  L35(lines 35 390)  no Hoare annotation was computed.
[2020-08-21 14:58:00,039 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 14:58:00,039 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0) (= ~a17~0 1))
[2020-08-21 14:58:00,039 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-21 14:58:00,039 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 14:58:00,040 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 577 594)  the Hoare annotation is:  (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1)))
[2020-08-21 14:58:00,040 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 577 594)  no Hoare annotation was computed.
[2020-08-21 14:58:00,040 INFO  L264        CegarLoopResult]: At program point  L591(line 591)  the Hoare annotation is:  (or (not (= |old(~a17~0)| 1)) (and (= ~a21~0 1) (<= 15 ~a8~0)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (not (= |old(~a21~0)| 1)))
[2020-08-21 14:58:00,040 INFO  L268        CegarLoopResult]: For program point  L591-1(line 591)  no Hoare annotation was computed.
[2020-08-21 14:58:00,040 INFO  L268        CegarLoopResult]: For program point  L588(line 588)  no Hoare annotation was computed.
[2020-08-21 14:58:00,040 INFO  L264        CegarLoopResult]: At program point  L583-2(lines 583 593)  the Hoare annotation is:  (or (not (= |old(~a17~0)| 1)) (and (= ~a21~0 1) (<= 15 ~a8~0)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (not (= |old(~a21~0)| 1)))
[2020-08-21 14:58:00,040 INFO  L268        CegarLoopResult]: For program point  L583-3(lines 577 594)  no Hoare annotation was computed.
[2020-08-21 14:58:00,062 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:58:00 BoogieIcfgContainer
[2020-08-21 14:58:00,062 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 14:58:00,064 INFO  L168              Benchmark]: Toolchain (without parser) took 13547.71 ms. Allocated memory was 140.0 MB in the beginning and 428.3 MB in the end (delta: 288.4 MB). Free memory was 101.1 MB in the beginning and 187.3 MB in the end (delta: -86.2 MB). Peak memory consumption was 202.1 MB. Max. memory is 7.1 GB.
[2020-08-21 14:58:00,065 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-21 14:58:00,066 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 727.49 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 169.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB.
[2020-08-21 14:58:00,067 INFO  L168              Benchmark]: Boogie Preprocessor took 126.95 ms. Allocated memory is still 204.5 MB. Free memory was 169.7 MB in the beginning and 164.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
[2020-08-21 14:58:00,068 INFO  L168              Benchmark]: RCFGBuilder took 1367.30 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 164.8 MB in the beginning and 179.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB.
[2020-08-21 14:58:00,069 INFO  L168              Benchmark]: TraceAbstraction took 11318.59 ms. Allocated memory was 238.6 MB in the beginning and 428.3 MB in the end (delta: 189.8 MB). Free memory was 179.2 MB in the beginning and 187.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 181.7 MB. Max. memory is 7.1 GB.
[2020-08-21 14:58:00,074 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 727.49 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 169.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 126.95 ms. Allocated memory is still 204.5 MB. Free memory was 169.7 MB in the beginning and 164.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1367.30 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 164.8 MB in the beginning and 179.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 11318.59 ms. Allocated memory was 238.6 MB in the beginning and 428.3 MB in the end (delta: 189.8 MB). Free memory was 179.2 MB in the beginning and 187.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 181.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 560]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 583]: Loop Invariant
    Derived loop invariant: ((((((!(\old(a17) == 1) || (a21 == 1 && 15 <= a8)) || a16 <= 5) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || a20 == 1) || !(\old(a21) == 1)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 139 SDtfs, 2562 SDslu, 233 SDs, 0 SdLazy, 4464 SolverSat, 1025 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=860occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 606 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 71 NumberOfFragments, 260 HoareAnnotationTreeSize, 41 FomulaSimplifications, 25472 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1114 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 818 NumberOfCodeBlocks, 818 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 813 ConstructedInterpolants, 0 QuantifiedInterpolants, 327943 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 195/203 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...