/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 22:06:32,210 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 22:06:32,213 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 22:06:32,223 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 22:06:32,224 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 22:06:32,225 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 22:06:32,226 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 22:06:32,228 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 22:06:32,229 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 22:06:32,230 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 22:06:32,231 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 22:06:32,232 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 22:06:32,232 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 22:06:32,233 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 22:06:32,234 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 22:06:32,235 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 22:06:32,236 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 22:06:32,237 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 22:06:32,239 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 22:06:32,241 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 22:06:32,242 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 22:06:32,249 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 22:06:32,250 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 22:06:32,254 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 22:06:32,257 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 22:06:32,257 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 22:06:32,257 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 22:06:32,258 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 22:06:32,258 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-07-20 22:06:32,260 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 22:06:32,260 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 22:06:32,261 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-07-20 22:06:32,263 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 22:06:32,263 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-07-20 22:06:32,264 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 22:06:32,265 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 22:06:32,266 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
[2020-07-20 22:06:32,280 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 22:06:32,280 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 22:06:32,281 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 22:06:32,281 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 22:06:32,282 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 22:06:32,282 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 22:06:32,282 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 22:06:32,282 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 22:06:32,282 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 22:06:32,283 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 22:06:32,283 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 22:06:32,283 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 22:06:32,283 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 22:06:32,283 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 22:06:32,283 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 22:06:32,284 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 22:06:32,284 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 22:06:32,284 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 22:06:32,284 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 22:06:32,284 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 22:06:32,285 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 22:06:32,285 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 22:06:32,285 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 22:06:32,285 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 22:06:32,286 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 22:06:32,286 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 22:06:32,286 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:32,286 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 22:06:32,286 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 22:06:32,286 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 22:06:32,562 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 22:06:32,581 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 22:06:32,585 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 22:06:32,586 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 22:06:32,589 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 22:06:32,590 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c
[2020-07-20 22:06:32,668 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85ee2eed/7b73a81ad099428cbebc802ed4277483/FLAG9d7f80e4c
[2020-07-20 22:06:33,298 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 22:06:33,299 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label13.c
[2020-07-20 22:06:33,319 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85ee2eed/7b73a81ad099428cbebc802ed4277483/FLAG9d7f80e4c
[2020-07-20 22:06:33,524 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b85ee2eed/7b73a81ad099428cbebc802ed4277483
[2020-07-20 22:06:33,533 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 22:06:33,536 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 22:06:33,538 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 22:06:33,538 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 22:06:33,542 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 22:06:33,543 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:06:33" (1/1) ...
[2020-07-20 22:06:33,546 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdaa788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:33, skipping insertion in model container
[2020-07-20 22:06:33,547 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:06:33" (1/1) ...
[2020-07-20 22:06:33,555 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 22:06:33,607 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 22:06:34,005 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 22:06:34,010 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 22:06:34,275 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 22:06:34,307 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 22:06:34,308 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34 WrapperNode
[2020-07-20 22:06:34,308 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 22:06:34,309 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 22:06:34,309 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 22:06:34,309 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 22:06:34,321 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (1/1) ...
[2020-07-20 22:06:34,321 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (1/1) ...
[2020-07-20 22:06:34,339 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (1/1) ...
[2020-07-20 22:06:34,339 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (1/1) ...
[2020-07-20 22:06:34,386 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (1/1) ...
[2020-07-20 22:06:34,410 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (1/1) ...
[2020-07-20 22:06:34,415 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (1/1) ...
[2020-07-20 22:06:34,425 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 22:06:34,425 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 22:06:34,426 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 22:06:34,426 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 22:06:34,427 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (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
[2020-07-20 22:06:34,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 22:06:34,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 22:06:34,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 22:06:34,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 22:06:34,508 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 22:06:34,509 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 22:06:34,509 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 22:06:34,509 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 22:06:34,509 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 22:06:34,509 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 22:06:34,510 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 22:06:35,773 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 22:06:35,774 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 22:06:35,785 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:06:35 BoogieIcfgContainer
[2020-07-20 22:06:35,785 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 22:06:35,787 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 22:06:35,787 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 22:06:35,790 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 22:06:35,790 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:06:33" (1/3) ...
[2020-07-20 22:06:35,791 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630ed76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:06:35, skipping insertion in model container
[2020-07-20 22:06:35,791 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:34" (2/3) ...
[2020-07-20 22:06:35,792 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630ed76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:06:35, skipping insertion in model container
[2020-07-20 22:06:35,793 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:06:35" (3/3) ...
[2020-07-20 22:06:35,798 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem10_label13.c
[2020-07-20 22:06:35,808 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 22:06:35,818 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 22:06:35,830 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 22:06:35,855 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 22:06:35,856 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 22:06:35,856 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 22:06:35,856 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 22:06:35,856 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 22:06:35,856 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 22:06:35,857 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 22:06:35,857 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 22:06:35,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-20 22:06:35,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-07-20 22:06:35,890 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:35,892 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]
[2020-07-20 22:06:35,892 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:35,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:35,899 INFO  L82        PathProgramCache]: Analyzing trace with hash 1614181646, now seen corresponding path program 1 times
[2020-07-20 22:06:35,907 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:35,907 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312238358]
[2020-07-20 22:06:35,908 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:36,025 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:36,026 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:36,028 INFO  L263         TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 22:06:36,036 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:36,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:06:36,106 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:06:36,107 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312238358]
[2020-07-20 22:06:36,108 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:06:36,108 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:06:36,109 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987722802]
[2020-07-20 22:06:36,114 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:06:36,114 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:36,128 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:06:36,129 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:36,131 INFO  L87              Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-20 22:06:37,186 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:37,186 INFO  L93              Difference]: Finished difference Result 586 states and 1004 transitions.
[2020-07-20 22:06:37,187 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:06:37,188 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 61
[2020-07-20 22:06:37,189 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:37,204 INFO  L225             Difference]: With dead ends: 586
[2020-07-20 22:06:37,204 INFO  L226             Difference]: Without dead ends: 294
[2020-07-20 22:06:37,211 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:37,232 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-20 22:06:37,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-20 22:06:37,282 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 22:06:37,284 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions.
[2020-07-20 22:06:37,286 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 61
[2020-07-20 22:06:37,287 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:37,287 INFO  L479      AbstractCegarLoop]: Abstraction has 294 states and 426 transitions.
[2020-07-20 22:06:37,288 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:06:37,288 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions.
[2020-07-20 22:06:37,294 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-07-20 22:06:37,294 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:37,294 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:06:37,509 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:37,509 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:37,510 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:37,510 INFO  L82        PathProgramCache]: Analyzing trace with hash 1316913554, now seen corresponding path program 1 times
[2020-07-20 22:06:37,511 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:37,511 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323155585]
[2020-07-20 22:06:37,512 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:37,618 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:37,618 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:37,619 INFO  L263         TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:06:37,632 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:37,691 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:06:37,691 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:06:37,692 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323155585]
[2020-07-20 22:06:37,692 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:06:37,692 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:06:37,693 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239520053]
[2020-07-20 22:06:37,695 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:06:37,696 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:37,696 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:06:37,697 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:37,698 INFO  L87              Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 3 states.
[2020-07-20 22:06:38,468 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:38,468 INFO  L93              Difference]: Finished difference Result 868 states and 1277 transitions.
[2020-07-20 22:06:38,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:06:38,469 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 135
[2020-07-20 22:06:38,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:38,478 INFO  L225             Difference]: With dead ends: 868
[2020-07-20 22:06:38,478 INFO  L226             Difference]: Without dead ends: 580
[2020-07-20 22:06:38,480 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:38,482 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 580 states.
[2020-07-20 22:06:38,512 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580.
[2020-07-20 22:06:38,512 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 580 states.
[2020-07-20 22:06:38,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 762 transitions.
[2020-07-20 22:06:38,515 INFO  L78                 Accepts]: Start accepts. Automaton has 580 states and 762 transitions. Word has length 135
[2020-07-20 22:06:38,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:38,516 INFO  L479      AbstractCegarLoop]: Abstraction has 580 states and 762 transitions.
[2020-07-20 22:06:38,516 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:06:38,516 INFO  L276                IsEmpty]: Start isEmpty. Operand 580 states and 762 transitions.
[2020-07-20 22:06:38,519 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2020-07-20 22:06:38,519 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:38,520 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:06:38,732 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:38,733 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:38,734 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:38,735 INFO  L82        PathProgramCache]: Analyzing trace with hash 2120193425, now seen corresponding path program 1 times
[2020-07-20 22:06:38,735 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:38,736 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399878562]
[2020-07-20 22:06:38,736 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:38,844 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:38,845 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:38,846 INFO  L263         TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:06:38,861 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:38,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:06:38,907 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:06:38,907 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399878562]
[2020-07-20 22:06:38,907 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:06:38,908 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:06:38,908 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951683943]
[2020-07-20 22:06:38,910 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:06:38,910 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:38,911 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:06:38,911 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:38,920 INFO  L87              Difference]: Start difference. First operand 580 states and 762 transitions. Second operand 3 states.
[2020-07-20 22:06:39,674 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:39,674 INFO  L93              Difference]: Finished difference Result 1440 states and 1957 transitions.
[2020-07-20 22:06:39,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:06:39,676 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 140
[2020-07-20 22:06:39,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:39,686 INFO  L225             Difference]: With dead ends: 1440
[2020-07-20 22:06:39,686 INFO  L226             Difference]: Without dead ends: 866
[2020-07-20 22:06:39,688 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:39,690 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 866 states.
[2020-07-20 22:06:39,745 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866.
[2020-07-20 22:06:39,746 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 866 states.
[2020-07-20 22:06:39,750 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1139 transitions.
[2020-07-20 22:06:39,751 INFO  L78                 Accepts]: Start accepts. Automaton has 866 states and 1139 transitions. Word has length 140
[2020-07-20 22:06:39,752 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:39,752 INFO  L479      AbstractCegarLoop]: Abstraction has 866 states and 1139 transitions.
[2020-07-20 22:06:39,752 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:06:39,752 INFO  L276                IsEmpty]: Start isEmpty. Operand 866 states and 1139 transitions.
[2020-07-20 22:06:39,756 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2020-07-20 22:06:39,756 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:39,756 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:06:39,969 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:39,970 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:39,971 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:39,971 INFO  L82        PathProgramCache]: Analyzing trace with hash -1756677455, now seen corresponding path program 1 times
[2020-07-20 22:06:39,971 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:39,972 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92344117]
[2020-07-20 22:06:39,972 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:40,058 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:40,058 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:40,060 INFO  L263         TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:06:40,063 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:40,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:06:40,094 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:06:40,095 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92344117]
[2020-07-20 22:06:40,095 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:06:40,095 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:06:40,095 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644980472]
[2020-07-20 22:06:40,096 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:06:40,096 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:40,097 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:06:40,097 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:40,097 INFO  L87              Difference]: Start difference. First operand 866 states and 1139 transitions. Second operand 3 states.
[2020-07-20 22:06:40,843 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:40,843 INFO  L93              Difference]: Finished difference Result 2012 states and 2717 transitions.
[2020-07-20 22:06:40,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:06:40,845 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 156
[2020-07-20 22:06:40,846 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:40,854 INFO  L225             Difference]: With dead ends: 2012
[2020-07-20 22:06:40,854 INFO  L226             Difference]: Without dead ends: 1152
[2020-07-20 22:06:40,859 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:40,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1152 states.
[2020-07-20 22:06:40,889 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1152.
[2020-07-20 22:06:40,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1152 states.
[2020-07-20 22:06:40,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1466 transitions.
[2020-07-20 22:06:40,896 INFO  L78                 Accepts]: Start accepts. Automaton has 1152 states and 1466 transitions. Word has length 156
[2020-07-20 22:06:40,896 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:40,896 INFO  L479      AbstractCegarLoop]: Abstraction has 1152 states and 1466 transitions.
[2020-07-20 22:06:40,896 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:06:40,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 1152 states and 1466 transitions.
[2020-07-20 22:06:40,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2020-07-20 22:06:40,901 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:40,901 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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]
[2020-07-20 22:06:41,113 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:41,113 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:41,114 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:41,114 INFO  L82        PathProgramCache]: Analyzing trace with hash 1335928450, now seen corresponding path program 1 times
[2020-07-20 22:06:41,115 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:41,115 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996921697]
[2020-07-20 22:06:41,116 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:41,229 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:41,229 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:41,230 INFO  L263         TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:06:41,234 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:41,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:06:41,305 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 22:06:41,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 22:06:41,458 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996921697]
[2020-07-20 22:06:41,458 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 22:06:41,458 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 22:06:41,460 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768456533]
[2020-07-20 22:06:41,461 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 22:06:41,461 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:41,461 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 22:06:41,463 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 22:06:41,463 INFO  L87              Difference]: Start difference. First operand 1152 states and 1466 transitions. Second operand 7 states.
[2020-07-20 22:06:43,106 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:43,106 INFO  L93              Difference]: Finished difference Result 3951 states and 5238 transitions.
[2020-07-20 22:06:43,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-20 22:06:43,107 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 213
[2020-07-20 22:06:43,108 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:43,121 INFO  L225             Difference]: With dead ends: 3951
[2020-07-20 22:06:43,121 INFO  L226             Difference]: Without dead ends: 1921
[2020-07-20 22:06:43,129 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 421 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2020-07-20 22:06:43,132 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1921 states.
[2020-07-20 22:06:43,199 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1885.
[2020-07-20 22:06:43,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1885 states.
[2020-07-20 22:06:43,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2211 transitions.
[2020-07-20 22:06:43,208 INFO  L78                 Accepts]: Start accepts. Automaton has 1885 states and 2211 transitions. Word has length 213
[2020-07-20 22:06:43,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:43,208 INFO  L479      AbstractCegarLoop]: Abstraction has 1885 states and 2211 transitions.
[2020-07-20 22:06:43,209 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 22:06:43,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 1885 states and 2211 transitions.
[2020-07-20 22:06:43,218 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2020-07-20 22:06:43,219 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:43,220 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 22:06:43,434 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:43,435 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:43,435 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:43,435 INFO  L82        PathProgramCache]: Analyzing trace with hash -45528551, now seen corresponding path program 1 times
[2020-07-20 22:06:43,436 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:43,436 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669927713]
[2020-07-20 22:06:43,436 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:43,552 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:43,552 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:43,553 INFO  L263         TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:06:43,557 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:43,601 INFO  L134       CoverageAnalysis]: Checked inductivity of 178 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2020-07-20 22:06:43,601 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:06:43,602 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669927713]
[2020-07-20 22:06:43,602 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:06:43,602 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:06:43,603 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235522339]
[2020-07-20 22:06:43,603 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:06:43,603 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:43,604 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:06:43,604 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:43,604 INFO  L87              Difference]: Start difference. First operand 1885 states and 2211 transitions. Second operand 3 states.
[2020-07-20 22:06:44,259 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:44,259 INFO  L93              Difference]: Finished difference Result 4050 states and 4819 transitions.
[2020-07-20 22:06:44,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:06:44,260 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 228
[2020-07-20 22:06:44,260 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:44,272 INFO  L225             Difference]: With dead ends: 4050
[2020-07-20 22:06:44,272 INFO  L226             Difference]: Without dead ends: 2169
[2020-07-20 22:06:44,282 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:44,285 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2169 states.
[2020-07-20 22:06:44,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 2024.
[2020-07-20 22:06:44,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2024 states.
[2020-07-20 22:06:44,338 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2390 transitions.
[2020-07-20 22:06:44,338 INFO  L78                 Accepts]: Start accepts. Automaton has 2024 states and 2390 transitions. Word has length 228
[2020-07-20 22:06:44,339 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:44,339 INFO  L479      AbstractCegarLoop]: Abstraction has 2024 states and 2390 transitions.
[2020-07-20 22:06:44,339 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:06:44,339 INFO  L276                IsEmpty]: Start isEmpty. Operand 2024 states and 2390 transitions.
[2020-07-20 22:06:44,345 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2020-07-20 22:06:44,345 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:44,345 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:06:44,560 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:44,561 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:44,562 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:44,562 INFO  L82        PathProgramCache]: Analyzing trace with hash 1221820657, now seen corresponding path program 1 times
[2020-07-20 22:06:44,562 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:44,563 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97934574]
[2020-07-20 22:06:44,563 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:44,687 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:44,687 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:44,689 INFO  L263         TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:06:44,693 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:44,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 185 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2020-07-20 22:06:44,741 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:06:44,742 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97934574]
[2020-07-20 22:06:44,742 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:06:44,742 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:06:44,742 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459258434]
[2020-07-20 22:06:44,743 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:06:44,743 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:44,743 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:06:44,744 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:44,744 INFO  L87              Difference]: Start difference. First operand 2024 states and 2390 transitions. Second operand 3 states.
[2020-07-20 22:06:45,212 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:45,212 INFO  L93              Difference]: Finished difference Result 2026 states and 2391 transitions.
[2020-07-20 22:06:45,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:06:45,213 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 244
[2020-07-20 22:06:45,214 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:45,224 INFO  L225             Difference]: With dead ends: 2026
[2020-07-20 22:06:45,224 INFO  L226             Difference]: Without dead ends: 2024
[2020-07-20 22:06:45,226 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:06:45,228 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2024 states.
[2020-07-20 22:06:45,271 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2024.
[2020-07-20 22:06:45,271 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2024 states.
[2020-07-20 22:06:45,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2389 transitions.
[2020-07-20 22:06:45,278 INFO  L78                 Accepts]: Start accepts. Automaton has 2024 states and 2389 transitions. Word has length 244
[2020-07-20 22:06:45,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:45,279 INFO  L479      AbstractCegarLoop]: Abstraction has 2024 states and 2389 transitions.
[2020-07-20 22:06:45,279 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:06:45,279 INFO  L276                IsEmpty]: Start isEmpty. Operand 2024 states and 2389 transitions.
[2020-07-20 22:06:45,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 258
[2020-07-20 22:06:45,286 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:45,287 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:06:45,504 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:45,505 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:45,505 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:45,506 INFO  L82        PathProgramCache]: Analyzing trace with hash -1248765022, now seen corresponding path program 1 times
[2020-07-20 22:06:45,506 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:45,506 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567651462]
[2020-07-20 22:06:45,506 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:45,655 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:45,655 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:45,657 INFO  L263         TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 22:06:45,661 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:45,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 185 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2020-07-20 22:06:45,726 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:06:45,726 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567651462]
[2020-07-20 22:06:45,726 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:06:45,726 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 22:06:45,727 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889296214]
[2020-07-20 22:06:45,727 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 22:06:45,727 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:45,728 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 22:06:45,728 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 22:06:45,728 INFO  L87              Difference]: Start difference. First operand 2024 states and 2389 transitions. Second operand 5 states.
[2020-07-20 22:06:46,544 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:46,544 INFO  L93              Difference]: Finished difference Result 3943 states and 4678 transitions.
[2020-07-20 22:06:46,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 22:06:46,548 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 257
[2020-07-20 22:06:46,548 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:46,557 INFO  L225             Difference]: With dead ends: 3943
[2020-07-20 22:06:46,557 INFO  L226             Difference]: Without dead ends: 2068
[2020-07-20 22:06:46,562 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-20 22:06:46,565 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2068 states.
[2020-07-20 22:06:46,609 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2062.
[2020-07-20 22:06:46,610 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2062 states.
[2020-07-20 22:06:46,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2433 transitions.
[2020-07-20 22:06:46,622 INFO  L78                 Accepts]: Start accepts. Automaton has 2062 states and 2433 transitions. Word has length 257
[2020-07-20 22:06:46,623 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:46,623 INFO  L479      AbstractCegarLoop]: Abstraction has 2062 states and 2433 transitions.
[2020-07-20 22:06:46,623 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 22:06:46,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 2062 states and 2433 transitions.
[2020-07-20 22:06:46,634 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 328
[2020-07-20 22:06:46,635 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:46,635 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 22:06:46,839 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:46,839 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:46,840 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:46,840 INFO  L82        PathProgramCache]: Analyzing trace with hash -649626018, now seen corresponding path program 1 times
[2020-07-20 22:06:46,840 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:46,840 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268242414]
[2020-07-20 22:06:46,841 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:47,008 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:47,008 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:47,009 INFO  L263         TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:06:47,014 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:47,037 INFO  L320       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-20 22:06:47,037 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:06:47,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 379 backedges. 322 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2020-07-20 22:06:47,110 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 22:06:47,187 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:06:47,188 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:06:47,191 INFO  L320       QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 1] term
[2020-07-20 22:06:47,191 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:06:47,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 379 backedges. 234 proven. 77 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2020-07-20 22:06:47,565 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268242414]
[2020-07-20 22:06:47,566 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 22:06:47,566 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 22:06:47,566 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351686422]
[2020-07-20 22:06:47,568 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 22:06:47,568 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:06:47,568 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 22:06:47,568 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 22:06:47,569 INFO  L87              Difference]: Start difference. First operand 2062 states and 2433 transitions. Second operand 6 states.
[2020-07-20 22:06:48,685 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:06:48,685 INFO  L93              Difference]: Finished difference Result 4011 states and 4817 transitions.
[2020-07-20 22:06:48,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 22:06:48,686 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 327
[2020-07-20 22:06:48,687 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:06:48,696 INFO  L225             Difference]: With dead ends: 4011
[2020-07-20 22:06:48,697 INFO  L226             Difference]: Without dead ends: 2098
[2020-07-20 22:06:48,702 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 650 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-20 22:06:48,705 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2098 states.
[2020-07-20 22:06:48,759 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1927.
[2020-07-20 22:06:48,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1927 states.
[2020-07-20 22:06:48,762 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2194 transitions.
[2020-07-20 22:06:48,763 INFO  L78                 Accepts]: Start accepts. Automaton has 1927 states and 2194 transitions. Word has length 327
[2020-07-20 22:06:48,763 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:06:48,763 INFO  L479      AbstractCegarLoop]: Abstraction has 1927 states and 2194 transitions.
[2020-07-20 22:06:48,764 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 22:06:48,764 INFO  L276                IsEmpty]: Start isEmpty. Operand 1927 states and 2194 transitions.
[2020-07-20 22:06:48,773 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 373
[2020-07-20 22:06:48,773 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:06:48,773 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:06:48,978 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:48,978 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:06:48,979 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:06:48,979 INFO  L82        PathProgramCache]: Analyzing trace with hash -467387859, now seen corresponding path program 1 times
[2020-07-20 22:06:48,980 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:06:48,984 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607917642]
[2020-07-20 22:06:48,985 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:06:49,169 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:06:49,169 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:06:49,172 INFO  L263         TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 12 conjunts are in the unsatisfiable core
[2020-07-20 22:06:49,177 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:06:49,205 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:06:49,209 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-07-20 22:06:49,210 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-07-20 22:06:49,213 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts
[2020-07-20 22:06:49,217 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,220 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,226 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,230 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-07-20 22:06:49,232 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts
[2020-07-20 22:06:49,232 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts
[2020-07-20 22:06:49,235 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,239 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,240 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,243 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-07-20 22:06:49,246 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,255 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,258 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,260 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-07-20 22:06:49,268 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-07-20 22:06:49,269 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-07-20 22:06:49,270 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,274 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-07-20 22:06:49,274 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,275 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,278 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2020-07-20 22:06:49,281 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts
[2020-07-20 22:07:06,609 WARN  L193               SmtUtils]: Spent 17.23 s on a formula simplification. DAG size of input: 64 DAG size of output: 34
[2020-07-20 22:07:06,649 INFO  L501       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-07-20 22:07:06,763 INFO  L320       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-20 22:07:06,764 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:07:06,765 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:07:06,791 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:07:06,927 INFO  L134       CoverageAnalysis]: Checked inductivity of 431 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2020-07-20 22:07:06,927 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 22:07:07,062 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 22:07:07,063 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,066 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,067 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 22:07:07,094 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,095 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 22:07:07,232 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,234 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,235 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,239 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,242 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 22:07:07,243 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 22:07:07,244 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-07-20 22:07:07,245 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-07-20 22:07:07,246 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 22:07:07,248 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-07-20 22:07:07,250 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-07-20 22:07:07,250 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts
[2020-07-20 22:07:07,356 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607917642]
[2020-07-20 22:07:07,357 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-07-20 22:07:07,357 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-07-20 22:07:07,357 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856679779]
[2020-07-20 22:07:07,358 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 22:07:07,358 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:07:07,358 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 22:07:07,359 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2020-07-20 22:07:07,359 INFO  L87              Difference]: Start difference. First operand 1927 states and 2194 transitions. Second operand 8 states.
[2020-07-20 22:07:10,243 WARN  L193               SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 57 DAG size of output: 42
[2020-07-20 22:10:11,922 WARN  L193               SmtUtils]: Spent 21.10 s on a formula simplification. DAG size of input: 47 DAG size of output: 46
[2020-07-20 22:10:31,690 WARN  L193               SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36
[2020-07-20 22:10:40,321 WARN  L193               SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 48 DAG size of output: 34
[2020-07-20 22:11:15,972 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:11:15,973 INFO  L93              Difference]: Finished difference Result 4895 states and 5728 transitions.
[2020-07-20 22:11:15,982 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-07-20 22:11:15,983 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 372
[2020-07-20 22:11:15,983 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:11:15,995 INFO  L225             Difference]: With dead ends: 4895
[2020-07-20 22:11:15,995 INFO  L226             Difference]: Without dead ends: 3117
[2020-07-20 22:11:16,001 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 613 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 45.9s TimeCoverageRelationStatistics Valid=149, Invalid=312, Unknown=1, NotChecked=0, Total=462
[2020-07-20 22:11:16,005 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3117 states.
[2020-07-20 22:11:16,070 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 2962.
[2020-07-20 22:11:16,070 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2962 states.
[2020-07-20 22:11:16,076 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3385 transitions.
[2020-07-20 22:11:16,076 INFO  L78                 Accepts]: Start accepts. Automaton has 2962 states and 3385 transitions. Word has length 372
[2020-07-20 22:11:16,077 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:11:16,077 INFO  L479      AbstractCegarLoop]: Abstraction has 2962 states and 3385 transitions.
[2020-07-20 22:11:16,077 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 22:11:16,077 INFO  L276                IsEmpty]: Start isEmpty. Operand 2962 states and 3385 transitions.
[2020-07-20 22:11:16,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 392
[2020-07-20 22:11:16,089 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 22:11:16,089 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 22:11:16,289 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:11:16,290 INFO  L427      AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 22:11:16,290 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 22:11:16,290 INFO  L82        PathProgramCache]: Analyzing trace with hash -145294626, now seen corresponding path program 1 times
[2020-07-20 22:11:16,291 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 22:11:16,291 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384050603]
[2020-07-20 22:11:16,291 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:11:16,524 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 22:11:16,525 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 22:11:16,527 INFO  L263         TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 22:11:16,531 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 22:11:16,542 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:11:16,543 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:11:16,543 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-07-20 22:11:16,544 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 22:11:16,545 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-07-20 22:11:16,546 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-07-20 22:11:16,546 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-07-20 22:11:16,767 WARN  L193               SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 21
[2020-07-20 22:11:17,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 435 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked.
[2020-07-20 22:11:17,036 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 22:11:17,036 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384050603]
[2020-07-20 22:11:17,036 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 22:11:17,036 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 22:11:17,037 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134511587]
[2020-07-20 22:11:17,037 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 22:11:17,037 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 22:11:17,038 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 22:11:17,038 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:11:17,038 INFO  L87              Difference]: Start difference. First operand 2962 states and 3385 transitions. Second operand 3 states.
[2020-07-20 22:11:19,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 22:11:19,575 INFO  L93              Difference]: Finished difference Result 6063 states and 6952 transitions.
[2020-07-20 22:11:19,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 22:11:19,578 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 391
[2020-07-20 22:11:19,579 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 22:11:19,579 INFO  L225             Difference]: With dead ends: 6063
[2020-07-20 22:11:19,579 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 22:11:19,590 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 22:11:19,590 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 22:11:19,591 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 22:11:19,591 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 22:11:19,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 22:11:19,591 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391
[2020-07-20 22:11:19,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 22:11:19,592 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 22:11:19,592 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 22:11:19,592 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 22:11:19,592 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 22:11:19,796 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 22:11:19,799 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 22:11:20,608 WARN  L193               SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25
[2020-07-20 22:11:22,547 WARN  L193               SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 165 DAG size of output: 77
[2020-07-20 22:11:23,254 WARN  L193               SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 51
[2020-07-20 22:11:23,987 WARN  L193               SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 51
[2020-07-20 22:11:23,993 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 22:11:23,993 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))
[2020-07-20 22:11:23,993 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 22:11:23,993 INFO  L268        CegarLoopResult]: For program point  L465(lines 465 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,993 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,993 INFO  L268        CegarLoopResult]: For program point  L168-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L135-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L69-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L36-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L499(lines 499 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L301(lines 301 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-07-20 22:11:23,994 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L103(line 103)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L236(lines 236 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L171-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,995 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L72-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L39-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L436(lines 436 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L403(lines 403 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L370(lines 370 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L271(lines 271 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-07-20 22:11:23,996 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  L73(line 73)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  L569(lines 569 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  L504(lines 504 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  L471(lines 471 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169)  no Hoare annotation was computed.
[2020-07-20 22:11:23,997 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L174-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L141-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L108-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L42-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L340(lines 340 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-07-20 22:11:23,998 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L43(line 43)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L540(lines 540 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L210(lines 210 572)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:23,999 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L111-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L45-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L442(lines 442 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L277(lines 277 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L244(lines 244 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L178(line 178)  no Hoare annotation was computed.
[2020-07-20 22:11:24,000 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L509(lines 509 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L476(lines 476 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,001 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L147-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L81-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L48-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-07-20 22:11:24,002 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L249(lines 249 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L183-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L150-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,003 INFO  L268        CegarLoopResult]: For program point  L84-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  L514(lines 514 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  L481(lines 481 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-20 22:11:24,004 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L548(lines 548 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L383(lines 383 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L351(lines 351 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,005 INFO  L268        CegarLoopResult]: For program point  L153-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L120-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L87-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L21(lines 21 23)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L21-2(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L517(lines 517 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,006 INFO  L268        CegarLoopResult]: For program point  L220(lines 220 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L419(lines 419 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,007 INFO  L268        CegarLoopResult]: For program point  L254(lines 254 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L156-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L57-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L24-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L487(lines 487 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,008 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L554(lines 554 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 20 574)  the Hoare annotation is:  (let ((.cse5 (not (< |old(~a19~0)| 10))) (.cse6 (not (<= 9 |old(~a19~0)|))) (.cse7 (<= 9 ~a19~0)) (.cse2 (<= |old(~a10~0)| ~a10~0)) (.cse3 (= ~a1~0 |old(~a1~0)|)) (.cse0 (not (<= |old(~a19~0)| 8))) (.cse1 (<= ~a19~0 |old(~a19~0)|)) (.cse8 (not (<= |old(~a10~0)| 2))) (.cse9 (not (<= |old(~a10~0)| 1)))) (and (or (not (<= 4 |old(~a10~0)|)) .cse0 (and .cse1 (<= 4 ~a10~0))) (or (and .cse2 .cse1 .cse3) (forall ((v_~a1~0_401 Int)) (let ((.cse4 (mod v_~a1~0_401 25))) (or (not (< v_~a1~0_401 0)) (= 0 .cse4) (not (<= 65 (* 5 .cse4))) (not (<= |old(~a1~0)| (+ (mod (+ (* .cse4 5) 10) 25) 13)))))) .cse0 (not (<= 2 |old(~a10~0)|))) (or .cse5 .cse6 (and .cse7 .cse2 .cse3 (< ~a19~0 10))) (or (not (<= |old(~a1~0)| 23)) (<= ~a1~0 23) .cse0) (or .cse5 (<= ~a10~0 2) .cse8) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0))) (or .cse6 (and .cse7 .cse2 .cse1 .cse3) .cse9) (or .cse0 .cse1 .cse8) (or (<= ~a10~0 1) .cse9)))
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L357(lines 357 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,009 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L159-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L126-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L93-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L60-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L27-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L523(lines 523 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L61(line 61)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-07-20 22:11:24,010 INFO  L268        CegarLoopResult]: For program point  L557(lines 557 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L425(lines 425 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L326(lines 326 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L393(lines 393 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L360(lines 360 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L195-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L162-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L96-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L63-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L30-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L526(lines 526 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L493(lines 493 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,011 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L296(lines 296 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L99-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,012 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L33-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L529(lines 529 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L430(lines 430 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L100(line 100)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,013 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 572)  no Hoare annotation was computed.
[2020-07-20 22:11:24,014 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 22:11:24,014 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a10~0 0) (<= 9 ~a19~0) (= 23 ~a1~0) (< ~a19~0 10))
[2020-07-20 22:11:24,014 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 22:11:24,014 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 22:11:24,014 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 576 592)  the Hoare annotation is:  (or (not (< |old(~a19~0)| 10)) (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|) (< ~a19~0 10)) (not (= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)))
[2020-07-20 22:11:24,014 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 22:11:24,015 INFO  L264        CegarLoopResult]: At program point  L590(line 590)  the Hoare annotation is:  (let ((.cse1 (< ~a19~0 10)) (.cse2 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (and (exists ((v_~a1~0_401 Int)) (let ((.cse0 (mod v_~a1~0_401 25))) (and (< v_~a1~0_401 0) (not (= 0 .cse0)) (<= 65 (* 5 .cse0)) (<= ~a1~0 (+ (mod (+ (* .cse0 5) 10) 25) 13))))) .cse1) (not (= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (and .cse2 (<= ~a10~0 2)) (and (<= 9 ~a19~0) .cse1) (and .cse2 (<= 4 ~a10~0))))
[2020-07-20 22:11:24,015 INFO  L268        CegarLoopResult]: For program point  L590-1(line 590)  no Hoare annotation was computed.
[2020-07-20 22:11:24,015 INFO  L268        CegarLoopResult]: For program point  L587(line 587)  no Hoare annotation was computed.
[2020-07-20 22:11:24,015 INFO  L264        CegarLoopResult]: At program point  L582-2(lines 582 591)  the Hoare annotation is:  (let ((.cse1 (< ~a19~0 10)) (.cse2 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (and (exists ((v_~a1~0_401 Int)) (let ((.cse0 (mod v_~a1~0_401 25))) (and (< v_~a1~0_401 0) (not (= 0 .cse0)) (<= 65 (* 5 .cse0)) (<= ~a1~0 (+ (mod (+ (* .cse0 5) 10) 25) 13))))) .cse1) (not (= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (and .cse2 (<= ~a10~0 2)) (and (<= 9 ~a19~0) .cse1) (and .cse2 (<= 4 ~a10~0))))
[2020-07-20 22:11:24,015 INFO  L268        CegarLoopResult]: For program point  L582-3(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 22:11:24,026 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,027 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,028 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,028 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,036 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,036 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,036 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,037 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,039 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:11:24 BoogieIcfgContainer
[2020-07-20 22:11:24,040 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 22:11:24,042 INFO  L168              Benchmark]: Toolchain (without parser) took 290506.83 ms. Allocated memory was 136.3 MB in the beginning and 589.8 MB in the end (delta: 453.5 MB). Free memory was 99.6 MB in the beginning and 441.1 MB in the end (delta: -341.6 MB). Peak memory consumption was 465.2 MB. Max. memory is 7.1 GB.
[2020-07-20 22:11:24,042 INFO  L168              Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-20 22:11:24,043 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 771.09 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 99.2 MB in the beginning and 169.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB.
[2020-07-20 22:11:24,044 INFO  L168              Benchmark]: Boogie Preprocessor took 116.01 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 164.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-07-20 22:11:24,044 INFO  L168              Benchmark]: RCFGBuilder took 1360.27 ms. Allocated memory was 202.9 MB in the beginning and 232.3 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 180.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB.
[2020-07-20 22:11:24,045 INFO  L168              Benchmark]: TraceAbstraction took 288253.03 ms. Allocated memory was 232.3 MB in the beginning and 589.8 MB in the end (delta: 357.6 MB). Free memory was 179.3 MB in the beginning and 441.1 MB in the end (delta: -261.9 MB). Peak memory consumption was 449.0 MB. Max. memory is 7.1 GB.
[2020-07-20 22:11:24,048 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.60 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 771.09 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 99.2 MB in the beginning and 169.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 116.01 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 164.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1360.27 ms. Allocated memory was 202.9 MB in the beginning and 232.3 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 180.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 288253.03 ms. Allocated memory was 232.3 MB in the beginning and 589.8 MB in the end (delta: 357.6 MB). Free memory was 179.3 MB in the beginning and 441.1 MB in the end (delta: -261.9 MB). Peak memory consumption was 449.0 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 169]: 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: 582]: Loop Invariant
[2020-07-20 22:11:24,054 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,054 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,055 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,055 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,056 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,056 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,056 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
[2020-07-20 22:11:24,056 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_401,QUANTIFIED]
    Derived loop invariant: (((((((a10 <= 1 || !(\old(a19) < 10)) || !(\old(a10) <= 0)) || ((\exists v_~a1~0_401 : int :: ((v_~a1~0_401 < 0 && !(0 == v_~a1~0_401 % 25)) && 65 <= 5 * (v_~a1~0_401 % 25)) && a1 <= (v_~a1~0_401 % 25 * 5 + 10) % 25 + 13) && a19 < 10)) || !(23 == \old(a1))) || !(9 <= \old(a19))) || (a19 <= 8 && a10 <= 2)) || (9 <= a19 && a19 < 10)) || (a19 <= 8 && 4 <= a10)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 283.9s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 259.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 621 SDtfs, 2497 SDslu, 266 SDs, 0 SdLazy, 6702 SolverSat, 992 SolverUnsat, 95 SolverUnknown, 0 SolverNotchecked, 225.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3332 GetRequests, 3278 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 46.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2962occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 513 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 129 PreInvPairs, 195 NumberOfFragments, 374 HoareAnnotationTreeSize, 129 FomulaSimplifications, 2357 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4072 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 2524 NumberOfCodeBlocks, 2524 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 3051 ConstructedInterpolants, 63 QuantifiedInterpolants, 2456351 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4354 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 2611/2696 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...