/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 BIGGEST_EQUIVALENCE_CLASS --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/Problem02_label53.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-21 01:26:13,474 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-21 01:26:13,477 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 01:26:13,491 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 01:26:13,492 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 01:26:13,494 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 01:26:13,496 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-07-21 01:26:13,516 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 01:26:13,516 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 01:26:13,519 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 01:26:13,522 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 01:26:13,523 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 01:26:13,525 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 01:26:13,527 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 01:26:13,529 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 01:26:13,535 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 01:26:13,538 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 01:26:13,541 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 01:26:13,542 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 01:26:13,543 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 01:26:13,546 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-07-21 01:26:13,546 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 01:26:13,549 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 01:26:13,550 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-07-21 01:26:13,552 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-07-21 01:26:13,554 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 01:26:13,555 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 01:26:13,558 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 01:26:13,558 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 01:26:13,558 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-07-21 01:26:13,559 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-21 01:26:13,561 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 01:26:13,562 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
[2020-07-21 01:26:13,582 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-21 01:26:13,582 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 01:26:13,584 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 01:26:13,584 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-21 01:26:13,585 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-21 01:26:13,585 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 01:26:13,585 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-21 01:26:13,585 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-21 01:26:13,586 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-21 01:26:13,586 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-21 01:26:13,587 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 01:26:13,587 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 01:26:13,587 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 01:26:13,588 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-21 01:26:13,588 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-21 01:26:13,588 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-21 01:26:13,588 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-21 01:26:13,588 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 01:26:13,589 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-21 01:26:13,589 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-21 01:26:13,589 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-21 01:26:13,589 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 01:26:13,589 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 01:26:13,590 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 01:26:13,590 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 01:26:13,590 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-21 01:26:13,590 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:13,590 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 01:26:13,591 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-21 01:26:13,591 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 -> BIGGEST_EQUIVALENCE_CLASS
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
[2020-07-21 01:26:13,867 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 01:26:13,880 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 01:26:13,884 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 01:26:13,885 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-21 01:26:13,885 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-21 01:26:13,886 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c
[2020-07-21 01:26:13,946 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928759ded/d6b68e0f06a2498b9a3ee3dca22be333/FLAGc58b689b2
[2020-07-21 01:26:14,556 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-21 01:26:14,559 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c
[2020-07-21 01:26:14,570 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928759ded/d6b68e0f06a2498b9a3ee3dca22be333/FLAGc58b689b2
[2020-07-21 01:26:14,794 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928759ded/d6b68e0f06a2498b9a3ee3dca22be333
[2020-07-21 01:26:14,802 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 01:26:14,805 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 01:26:14,806 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 01:26:14,806 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 01:26:14,809 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 01:26:14,810 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:26:14" (1/1) ...
[2020-07-21 01:26:14,813 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dffb5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:14, skipping insertion in model container
[2020-07-21 01:26:14,813 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:26:14" (1/1) ...
[2020-07-21 01:26:14,821 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-21 01:26:14,875 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-21 01:26:15,323 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 01:26:15,328 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-21 01:26:15,454 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 01:26:15,476 INFO  L208         MainTranslator]: Completed translation
[2020-07-21 01:26:15,477 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15 WrapperNode
[2020-07-21 01:26:15,477 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 01:26:15,478 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 01:26:15,478 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 01:26:15,478 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 01:26:15,488 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ...
[2020-07-21 01:26:15,489 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ...
[2020-07-21 01:26:15,506 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ...
[2020-07-21 01:26:15,506 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ...
[2020-07-21 01:26:15,543 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ...
[2020-07-21 01:26:15,560 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ...
[2020-07-21 01:26:15,564 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ...
[2020-07-21 01:26:15,571 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 01:26:15,571 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 01:26:15,571 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 01:26:15,571 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-21 01:26:15,572 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (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
[2020-07-21 01:26:15,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 01:26:15,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 01:26:15,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-21 01:26:15,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 01:26:15,647 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-21 01:26:15,647 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 01:26:15,647 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 01:26:15,648 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-21 01:26:15,648 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-21 01:26:15,648 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 01:26:15,648 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 01:26:16,820 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 01:26:16,820 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-21 01:26:16,832 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:26:16 BoogieIcfgContainer
[2020-07-21 01:26:16,832 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 01:26:16,834 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 01:26:16,834 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 01:26:16,838 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-21 01:26:16,838 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:26:14" (1/3) ...
[2020-07-21 01:26:16,839 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782cdd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:26:16, skipping insertion in model container
[2020-07-21 01:26:16,839 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (2/3) ...
[2020-07-21 01:26:16,840 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782cdd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:26:16, skipping insertion in model container
[2020-07-21 01:26:16,840 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:26:16" (3/3) ...
[2020-07-21 01:26:16,844 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem02_label53.c
[2020-07-21 01:26:16,855 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 01:26:16,867 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 01:26:16,881 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 01:26:16,914 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-21 01:26:16,915 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-21 01:26:16,916 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 01:26:16,916 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 01:26:16,916 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 01:26:16,916 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-21 01:26:16,917 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 01:26:16,917 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 01:26:16,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states.
[2020-07-21 01:26:16,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2020-07-21 01:26:16,973 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:16,974 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:16,975 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:16,982 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:16,983 INFO  L82        PathProgramCache]: Analyzing trace with hash -1422395146, now seen corresponding path program 1 times
[2020-07-21 01:26:16,992 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:16,992 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147852101]
[2020-07-21 01:26:16,993 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
[2020-07-21 01:26:17,178 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 01:26:17,179 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:17,183 INFO  L263         TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 52 conjunts are in the unsatisfiable core
[2020-07-21 01:26:17,196 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:17,776 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-21 01:26:17,783 INFO  L320       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term
[2020-07-21 01:26:17,783 INFO  L501       QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts
[2020-07-21 01:26:17,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:17,901 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 01:26:17,902 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147852101]
[2020-07-21 01:26:17,904 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 01:26:17,904 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-21 01:26:17,905 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743897008]
[2020-07-21 01:26:17,914 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-21 01:26:17,914 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:17,927 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-21 01:26:17,927 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2020-07-21 01:26:17,929 INFO  L87              Difference]: Start difference. First operand 236 states. Second operand 10 states.
[2020-07-21 01:26:19,155 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:19,156 INFO  L93              Difference]: Finished difference Result 527 states and 878 transitions.
[2020-07-21 01:26:19,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-07-21 01:26:19,162 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 144
[2020-07-21 01:26:19,163 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:19,190 INFO  L225             Difference]: With dead ends: 527
[2020-07-21 01:26:19,190 INFO  L226             Difference]: Without dead ends: 229
[2020-07-21 01:26:19,203 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210
[2020-07-21 01:26:19,224 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 229 states.
[2020-07-21 01:26:19,311 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229.
[2020-07-21 01:26:19,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 229 states.
[2020-07-21 01:26:19,314 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions.
[2020-07-21 01:26:19,317 INFO  L78                 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 144
[2020-07-21 01:26:19,318 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:19,318 INFO  L479      AbstractCegarLoop]: Abstraction has 229 states and 319 transitions.
[2020-07-21 01:26:19,318 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-21 01:26:19,319 INFO  L276                IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions.
[2020-07-21 01:26:19,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-07-21 01:26:19,331 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:19,331 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:19,532 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:19,532 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:19,533 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:19,533 INFO  L82        PathProgramCache]: Analyzing trace with hash 1282323431, now seen corresponding path program 1 times
[2020-07-21 01:26:19,533 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:19,534 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147657870]
[2020-07-21 01:26:19,534 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
[2020-07-21 01:26:19,679 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 01:26:19,680 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:19,682 INFO  L263         TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 37 conjunts are in the unsatisfiable core
[2020-07-21 01:26:19,695 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:20,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:20,195 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:20,622 INFO  L501       QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts
[2020-07-21 01:26:20,624 INFO  L501       QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts
[2020-07-21 01:26:20,625 INFO  L501       QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts
[2020-07-21 01:26:20,626 INFO  L501       QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts
[2020-07-21 01:26:20,627 INFO  L501       QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts
[2020-07-21 01:26:20,648 INFO  L320       QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term
[2020-07-21 01:26:20,648 INFO  L501       QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts
[2020-07-21 01:26:20,684 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:20,751 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:20,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:20,888 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147657870]
[2020-07-21 01:26:20,888 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:20,888 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21
[2020-07-21 01:26:20,888 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174384324]
[2020-07-21 01:26:20,890 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 21 states
[2020-07-21 01:26:20,891 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:20,891 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2020-07-21 01:26:20,892 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420
[2020-07-21 01:26:20,892 INFO  L87              Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states.
[2020-07-21 01:26:21,918 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36
[2020-07-21 01:26:23,056 WARN  L193               SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34
[2020-07-21 01:26:24,587 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:24,587 INFO  L93              Difference]: Finished difference Result 738 states and 1083 transitions.
[2020-07-21 01:26:24,588 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2020-07-21 01:26:24,589 INFO  L78                 Accepts]: Start accepts. Automaton has 21 states. Word has length 153
[2020-07-21 01:26:24,589 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:24,598 INFO  L225             Difference]: With dead ends: 738
[2020-07-21 01:26:24,598 INFO  L226             Difference]: Without dead ends: 423
[2020-07-21 01:26:24,602 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 283 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806
[2020-07-21 01:26:24,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 423 states.
[2020-07-21 01:26:24,660 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393.
[2020-07-21 01:26:24,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 393 states.
[2020-07-21 01:26:24,662 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions.
[2020-07-21 01:26:24,663 INFO  L78                 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 153
[2020-07-21 01:26:24,663 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:24,663 INFO  L479      AbstractCegarLoop]: Abstraction has 393 states and 533 transitions.
[2020-07-21 01:26:24,663 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 21 states.
[2020-07-21 01:26:24,664 INFO  L276                IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions.
[2020-07-21 01:26:24,666 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2020-07-21 01:26:24,666 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:24,667 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:24,881 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:24,882 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:24,883 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:24,883 INFO  L82        PathProgramCache]: Analyzing trace with hash 1049942138, now seen corresponding path program 1 times
[2020-07-21 01:26:24,884 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:24,884 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654569020]
[2020-07-21 01:26:24,885 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
[2020-07-21 01:26:24,973 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 01:26:24,974 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:24,975 INFO  L263         TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-21 01:26:24,979 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:25,001 INFO  L320       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-21 01:26:25,002 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-21 01:26:25,027 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-21 01:26:25,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:25,054 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:25,139 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-21 01:26:25,140 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:25,165 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-21 01:26:25,212 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:25,215 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:25,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:25,238 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654569020]
[2020-07-21 01:26:25,238 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:25,238 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-21 01:26:25,238 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121208109]
[2020-07-21 01:26:25,239 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-21 01:26:25,240 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:25,240 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-21 01:26:25,240 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-21 01:26:25,240 INFO  L87              Difference]: Start difference. First operand 393 states and 533 transitions. Second operand 7 states.
[2020-07-21 01:26:26,980 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:26,980 INFO  L93              Difference]: Finished difference Result 1434 states and 2028 transitions.
[2020-07-21 01:26:26,981 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-07-21 01:26:26,981 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 165
[2020-07-21 01:26:26,981 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:26,989 INFO  L225             Difference]: With dead ends: 1434
[2020-07-21 01:26:26,990 INFO  L226             Difference]: Without dead ends: 1047
[2020-07-21 01:26:26,992 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182
[2020-07-21 01:26:26,993 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1047 states.
[2020-07-21 01:26:27,046 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1015.
[2020-07-21 01:26:27,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1015 states.
[2020-07-21 01:26:27,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1271 transitions.
[2020-07-21 01:26:27,051 INFO  L78                 Accepts]: Start accepts. Automaton has 1015 states and 1271 transitions. Word has length 165
[2020-07-21 01:26:27,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:27,052 INFO  L479      AbstractCegarLoop]: Abstraction has 1015 states and 1271 transitions.
[2020-07-21 01:26:27,052 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-21 01:26:27,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 1015 states and 1271 transitions.
[2020-07-21 01:26:27,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2020-07-21 01:26:27,058 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:27,058 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:27,272 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:27,273 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:27,274 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:27,274 INFO  L82        PathProgramCache]: Analyzing trace with hash -130291055, now seen corresponding path program 1 times
[2020-07-21 01:26:27,274 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:27,275 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749919663]
[2020-07-21 01:26:27,275 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
[2020-07-21 01:26:27,418 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 01:26:27,418 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:27,420 INFO  L263         TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 33 conjunts are in the unsatisfiable core
[2020-07-21 01:26:27,426 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:27,548 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-21 01:26:27,549 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 01:26:27,549 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749919663]
[2020-07-21 01:26:27,549 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 01:26:27,550 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-21 01:26:27,550 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746342799]
[2020-07-21 01:26:27,550 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-21 01:26:27,551 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:27,551 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-21 01:26:27,551 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-07-21 01:26:27,551 INFO  L87              Difference]: Start difference. First operand 1015 states and 1271 transitions. Second operand 4 states.
[2020-07-21 01:26:28,270 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:28,273 INFO  L93              Difference]: Finished difference Result 2113 states and 2722 transitions.
[2020-07-21 01:26:28,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-07-21 01:26:28,273 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 186
[2020-07-21 01:26:28,274 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:28,283 INFO  L225             Difference]: With dead ends: 2113
[2020-07-21 01:26:28,283 INFO  L226             Difference]: Without dead ends: 1015
[2020-07-21 01:26:28,286 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-07-21 01:26:28,288 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1015 states.
[2020-07-21 01:26:28,320 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015.
[2020-07-21 01:26:28,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1015 states.
[2020-07-21 01:26:28,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1265 transitions.
[2020-07-21 01:26:28,328 INFO  L78                 Accepts]: Start accepts. Automaton has 1015 states and 1265 transitions. Word has length 186
[2020-07-21 01:26:28,328 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:28,329 INFO  L479      AbstractCegarLoop]: Abstraction has 1015 states and 1265 transitions.
[2020-07-21 01:26:28,329 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-21 01:26:28,329 INFO  L276                IsEmpty]: Start isEmpty. Operand 1015 states and 1265 transitions.
[2020-07-21 01:26:28,334 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2020-07-21 01:26:28,334 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:28,334 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:28,548 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:28,549 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:28,549 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:28,549 INFO  L82        PathProgramCache]: Analyzing trace with hash 2054368206, now seen corresponding path program 1 times
[2020-07-21 01:26:28,549 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:28,550 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808532783]
[2020-07-21 01:26:28,550 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
[2020-07-21 01:26:28,642 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 01:26:28,642 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:28,644 INFO  L263         TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-21 01:26:28,647 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:28,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-07-21 01:26:28,729 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:28,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-07-21 01:26:28,808 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808532783]
[2020-07-21 01:26:28,808 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:28,808 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2020-07-21 01:26:28,809 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741340501]
[2020-07-21 01:26:28,809 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-21 01:26:28,810 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:28,810 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-21 01:26:28,810 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2020-07-21 01:26:28,810 INFO  L87              Difference]: Start difference. First operand 1015 states and 1265 transitions. Second operand 8 states.
[2020-07-21 01:26:29,956 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:29,956 INFO  L93              Difference]: Finished difference Result 2448 states and 3158 transitions.
[2020-07-21 01:26:29,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 01:26:29,957 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 189
[2020-07-21 01:26:29,957 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:29,963 INFO  L225             Difference]: With dead ends: 2448
[2020-07-21 01:26:29,963 INFO  L226             Difference]: Without dead ends: 984
[2020-07-21 01:26:29,968 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2020-07-21 01:26:29,970 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 984 states.
[2020-07-21 01:26:29,991 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 984.
[2020-07-21 01:26:29,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 984 states.
[2020-07-21 01:26:29,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1170 transitions.
[2020-07-21 01:26:29,996 INFO  L78                 Accepts]: Start accepts. Automaton has 984 states and 1170 transitions. Word has length 189
[2020-07-21 01:26:29,996 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:29,996 INFO  L479      AbstractCegarLoop]: Abstraction has 984 states and 1170 transitions.
[2020-07-21 01:26:29,996 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-21 01:26:29,997 INFO  L276                IsEmpty]: Start isEmpty. Operand 984 states and 1170 transitions.
[2020-07-21 01:26:30,001 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2020-07-21 01:26:30,001 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:30,001 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:30,215 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:30,216 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:30,216 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:30,217 INFO  L82        PathProgramCache]: Analyzing trace with hash 84176453, now seen corresponding path program 1 times
[2020-07-21 01:26:30,217 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:30,218 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215719384]
[2020-07-21 01:26:30,218 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
[2020-07-21 01:26:30,377 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 01:26:30,378 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:30,379 INFO  L263         TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-21 01:26:30,383 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:30,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:30,428 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:30,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:30,498 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215719384]
[2020-07-21 01:26:30,498 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:30,499 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-21 01:26:30,499 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453785224]
[2020-07-21 01:26:30,500 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-21 01:26:30,500 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:30,500 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-21 01:26:30,501 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-21 01:26:30,501 INFO  L87              Difference]: Start difference. First operand 984 states and 1170 transitions. Second operand 7 states.
[2020-07-21 01:26:31,205 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:31,206 INFO  L93              Difference]: Finished difference Result 2543 states and 3209 transitions.
[2020-07-21 01:26:31,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 01:26:31,210 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 192
[2020-07-21 01:26:31,211 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:31,221 INFO  L225             Difference]: With dead ends: 2543
[2020-07-21 01:26:31,222 INFO  L226             Difference]: Without dead ends: 1619
[2020-07-21 01:26:31,227 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-07-21 01:26:31,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1619 states.
[2020-07-21 01:26:31,274 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1585.
[2020-07-21 01:26:31,275 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1585 states.
[2020-07-21 01:26:31,283 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 1888 transitions.
[2020-07-21 01:26:31,284 INFO  L78                 Accepts]: Start accepts. Automaton has 1585 states and 1888 transitions. Word has length 192
[2020-07-21 01:26:31,284 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:31,284 INFO  L479      AbstractCegarLoop]: Abstraction has 1585 states and 1888 transitions.
[2020-07-21 01:26:31,285 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-21 01:26:31,285 INFO  L276                IsEmpty]: Start isEmpty. Operand 1585 states and 1888 transitions.
[2020-07-21 01:26:31,294 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2020-07-21 01:26:31,294 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:31,295 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:31,508 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:31,509 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:31,509 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:31,509 INFO  L82        PathProgramCache]: Analyzing trace with hash 381722178, now seen corresponding path program 1 times
[2020-07-21 01:26:31,509 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:31,510 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300737764]
[2020-07-21 01:26:31,510 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
[2020-07-21 01:26:31,646 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 01:26:31,647 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:31,648 INFO  L263         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-21 01:26:31,658 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:31,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:31,750 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:31,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:31,833 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300737764]
[2020-07-21 01:26:31,834 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:31,834 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-21 01:26:31,834 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670979501]
[2020-07-21 01:26:31,835 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-21 01:26:31,835 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:31,835 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-21 01:26:31,836 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-21 01:26:31,836 INFO  L87              Difference]: Start difference. First operand 1585 states and 1888 transitions. Second operand 7 states.
[2020-07-21 01:26:32,958 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:32,958 INFO  L93              Difference]: Finished difference Result 3555 states and 4284 transitions.
[2020-07-21 01:26:32,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-21 01:26:32,958 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 206
[2020-07-21 01:26:32,959 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:32,969 INFO  L225             Difference]: With dead ends: 3555
[2020-07-21 01:26:32,969 INFO  L226             Difference]: Without dead ends: 2030
[2020-07-21 01:26:32,974 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 407 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2020-07-21 01:26:32,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2030 states.
[2020-07-21 01:26:33,018 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 2016.
[2020-07-21 01:26:33,019 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2016 states.
[2020-07-21 01:26:33,025 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2224 transitions.
[2020-07-21 01:26:33,026 INFO  L78                 Accepts]: Start accepts. Automaton has 2016 states and 2224 transitions. Word has length 206
[2020-07-21 01:26:33,027 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:33,027 INFO  L479      AbstractCegarLoop]: Abstraction has 2016 states and 2224 transitions.
[2020-07-21 01:26:33,027 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-21 01:26:33,027 INFO  L276                IsEmpty]: Start isEmpty. Operand 2016 states and 2224 transitions.
[2020-07-21 01:26:33,034 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2020-07-21 01:26:33,034 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:33,035 INFO  L422         BasicCegarLoop]: trace histogram [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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:33,248 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:33,249 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:33,249 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:33,249 INFO  L82        PathProgramCache]: Analyzing trace with hash -686923797, now seen corresponding path program 1 times
[2020-07-21 01:26:33,249 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:33,250 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339943005]
[2020-07-21 01:26:33,250 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
[2020-07-21 01:26:33,365 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 01:26:33,365 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:33,367 INFO  L263         TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-21 01:26:33,371 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:33,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 178 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2020-07-21 01:26:33,458 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:33,560 INFO  L134       CoverageAnalysis]: Checked inductivity of 178 backedges. 152 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2020-07-21 01:26:33,560 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339943005]
[2020-07-21 01:26:33,560 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:33,561 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-21 01:26:33,561 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020835622]
[2020-07-21 01:26:33,562 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-21 01:26:33,562 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:33,562 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-21 01:26:33,563 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-21 01:26:33,563 INFO  L87              Difference]: Start difference. First operand 2016 states and 2224 transitions. Second operand 7 states.
[2020-07-21 01:26:34,524 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:34,525 INFO  L93              Difference]: Finished difference Result 4584 states and 5063 transitions.
[2020-07-21 01:26:34,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-21 01:26:34,526 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 269
[2020-07-21 01:26:34,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:34,537 INFO  L225             Difference]: With dead ends: 4584
[2020-07-21 01:26:34,537 INFO  L226             Difference]: Without dead ends: 2628
[2020-07-21 01:26:34,543 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-07-21 01:26:34,546 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2628 states.
[2020-07-21 01:26:34,630 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2617.
[2020-07-21 01:26:34,630 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2617 states.
[2020-07-21 01:26:34,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 2825 transitions.
[2020-07-21 01:26:34,638 INFO  L78                 Accepts]: Start accepts. Automaton has 2617 states and 2825 transitions. Word has length 269
[2020-07-21 01:26:34,638 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:34,638 INFO  L479      AbstractCegarLoop]: Abstraction has 2617 states and 2825 transitions.
[2020-07-21 01:26:34,639 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-21 01:26:34,639 INFO  L276                IsEmpty]: Start isEmpty. Operand 2617 states and 2825 transitions.
[2020-07-21 01:26:34,647 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 287
[2020-07-21 01:26:34,648 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:34,648 INFO  L422         BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:34,862 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:34,863 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:34,863 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:34,863 INFO  L82        PathProgramCache]: Analyzing trace with hash -352519467, now seen corresponding path program 1 times
[2020-07-21 01:26:34,863 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:34,864 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999738463]
[2020-07-21 01:26:34,864 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
[2020-07-21 01:26:35,006 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 01:26:35,007 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:35,008 INFO  L263         TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-21 01:26:35,014 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:35,083 INFO  L134       CoverageAnalysis]: Checked inductivity of 212 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked.
[2020-07-21 01:26:35,083 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 01:26:35,084 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999738463]
[2020-07-21 01:26:35,084 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 01:26:35,084 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 01:26:35,084 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803636545]
[2020-07-21 01:26:35,085 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 01:26:35,085 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:35,086 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 01:26:35,086 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 01:26:35,086 INFO  L87              Difference]: Start difference. First operand 2617 states and 2825 transitions. Second operand 3 states.
[2020-07-21 01:26:35,593 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:35,593 INFO  L93              Difference]: Finished difference Result 5610 states and 6131 transitions.
[2020-07-21 01:26:35,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 01:26:35,596 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 286
[2020-07-21 01:26:35,596 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:35,606 INFO  L225             Difference]: With dead ends: 5610
[2020-07-21 01:26:35,607 INFO  L226             Difference]: Without dead ends: 2755
[2020-07-21 01:26:35,613 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 01:26:35,616 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2755 states.
[2020-07-21 01:26:35,664 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2753.
[2020-07-21 01:26:35,664 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2753 states.
[2020-07-21 01:26:35,669 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 2958 transitions.
[2020-07-21 01:26:35,669 INFO  L78                 Accepts]: Start accepts. Automaton has 2753 states and 2958 transitions. Word has length 286
[2020-07-21 01:26:35,670 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:35,670 INFO  L479      AbstractCegarLoop]: Abstraction has 2753 states and 2958 transitions.
[2020-07-21 01:26:35,670 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 01:26:35,670 INFO  L276                IsEmpty]: Start isEmpty. Operand 2753 states and 2958 transitions.
[2020-07-21 01:26:35,680 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 308
[2020-07-21 01:26:35,680 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 01:26:35,681 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:35,895 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:35,896 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:35,896 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:35,896 INFO  L82        PathProgramCache]: Analyzing trace with hash 371940754, now seen corresponding path program 1 times
[2020-07-21 01:26:35,896 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:35,897 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146238482]
[2020-07-21 01:26:35,897 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
[2020-07-21 01:26:36,052 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 01:26:36,052 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:36,054 INFO  L263         TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-21 01:26:36,063 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:36,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 280 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked.
[2020-07-21 01:26:36,167 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:36,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 280 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked.
[2020-07-21 01:26:36,256 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146238482]
[2020-07-21 01:26:36,256 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:36,257 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-21 01:26:36,257 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669369819]
[2020-07-21 01:26:36,257 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-21 01:26:36,257 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:36,258 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-21 01:26:36,258 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-21 01:26:36,258 INFO  L87              Difference]: Start difference. First operand 2753 states and 2958 transitions. Second operand 7 states.
[2020-07-21 01:26:37,075 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:37,075 INFO  L93              Difference]: Finished difference Result 3191 states and 3422 transitions.
[2020-07-21 01:26:37,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 01:26:37,076 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 307
[2020-07-21 01:26:37,076 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:37,076 INFO  L225             Difference]: With dead ends: 3191
[2020-07-21 01:26:37,077 INFO  L226             Difference]: Without dead ends: 0
[2020-07-21 01:26:37,083 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-07-21 01:26:37,083 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-21 01:26:37,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-21 01:26:37,083 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-21 01:26:37,083 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-21 01:26:37,084 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307
[2020-07-21 01:26:37,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:37,084 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-21 01:26:37,084 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-21 01:26:37,084 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-21 01:26:37,084 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-21 01:26:37,298 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:37,301 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-21 01:26:39,002 WARN  L193               SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 144 DAG size of output: 105
[2020-07-21 01:26:39,432 WARN  L193               SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 54
[2020-07-21 01:26:39,853 WARN  L193               SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 65
[2020-07-21 01:26:39,857 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 01:26:39,858 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|))
[2020-07-21 01:26:39,858 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 01:26:39,858 INFO  L268        CegarLoopResult]: For program point  L564-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,859 INFO  L268        CegarLoopResult]: For program point  L531-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,859 INFO  L268        CegarLoopResult]: For program point  L498-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,859 INFO  L268        CegarLoopResult]: For program point  L465-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,859 INFO  L268        CegarLoopResult]: For program point  L432-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,859 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,860 INFO  L268        CegarLoopResult]: For program point  L69(lines 69 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,860 INFO  L268        CegarLoopResult]: For program point  L565(line 565)  no Hoare annotation was computed.
[2020-07-21 01:26:39,860 INFO  L268        CegarLoopResult]: For program point  L532(line 532)  no Hoare annotation was computed.
[2020-07-21 01:26:39,860 INFO  L268        CegarLoopResult]: For program point  L499(line 499)  no Hoare annotation was computed.
[2020-07-21 01:26:39,860 INFO  L268        CegarLoopResult]: For program point  L466(line 466)  no Hoare annotation was computed.
[2020-07-21 01:26:39,860 INFO  L268        CegarLoopResult]: For program point  L433(line 433)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L202(lines 202 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L169(lines 169 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L368(lines 368 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 210)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 210)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L38(lines 38 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L567-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L534-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,861 INFO  L268        CegarLoopResult]: For program point  L501-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L468-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L435-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L237(lines 237 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L568(line 568)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L535(line 535)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L502(line 502)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L469(line 469)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L436(line 436)  no Hoare annotation was computed.
[2020-07-21 01:26:39,862 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L238(lines 238 246)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L238-2(lines 238 246)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L139(lines 139 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L106(lines 106 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L404(lines 404 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L338(lines 338 347)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L338-2(lines 338 347)  no Hoare annotation was computed.
[2020-07-21 01:26:39,863 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  L570-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  L537-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  L504-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  L471-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  L438-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 80)  no Hoare annotation was computed.
[2020-07-21 01:26:39,864 INFO  L268        CegarLoopResult]: For program point  L42(lines 42 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L75-2(lines 75 80)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L571(line 571)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L538(line 538)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L505(line 505)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L472(line 472)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L439(line 439)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L175(lines 175 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,865 INFO  L268        CegarLoopResult]: For program point  L407(lines 407 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L143(lines 143 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L573-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L540-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L507-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L474-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L441-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,866 INFO  L268        CegarLoopResult]: For program point  L309(lines 309 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L276(lines 276 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L574(line 574)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L541(line 541)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L508(line 508)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L475(line 475)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L442(line 442)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L409(lines 409 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L212(lines 212 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,867 INFO  L268        CegarLoopResult]: For program point  L179(lines 179 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L113(lines 113 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L47(lines 47 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L576-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L543-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L510-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L477-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L444-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,868 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L577(line 577)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L544(line 544)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L511(line 511)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L478(line 478)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L445(line 445)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L280(lines 280 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L148(lines 148 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L82(lines 82 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L380(lines 380 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L314(lines 314 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L248(lines 248 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,869 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L83(lines 83 89)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L50(lines 50 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L83-2(lines 83 89)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L579-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L546-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L513-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L480-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 416)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L447-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L381(lines 381 387)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L414-2(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L315(lines 315 326)  no Hoare annotation was computed.
[2020-07-21 01:26:39,870 INFO  L268        CegarLoopResult]: For program point  L381-2(lines 381 387)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  L315-2(lines 315 326)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  L580(line 580)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  L547(line 547)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  L514(line 514)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  L481(line 481)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  L448(line 448)  no Hoare annotation was computed.
[2020-07-21 01:26:39,871 INFO  L268        CegarLoopResult]: For program point  L415(line 415)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L349(lines 349 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L185(lines 185 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L582-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L549-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,872 INFO  L268        CegarLoopResult]: For program point  L516-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L483-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L450-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L417-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L54(lines 54 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L583(line 583)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L550(line 550)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L517(line 517)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L484(line 484)  no Hoare annotation was computed.
[2020-07-21 01:26:39,873 INFO  L268        CegarLoopResult]: For program point  L451(line 451)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L418(line 418)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L253(lines 253 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L187(lines 187 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L154(lines 154 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L585-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L552-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,874 INFO  L268        CegarLoopResult]: For program point  L519-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L486-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L453-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L420-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L586(line 586)  no Hoare annotation was computed.
[2020-07-21 01:26:39,875 INFO  L268        CegarLoopResult]: For program point  L553(line 553)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L520(line 520)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L487(line 487)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L454(line 454)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L421(line 421)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L91(lines 91 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L389(lines 389 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L191(lines 191 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,876 INFO  L268        CegarLoopResult]: For program point  L59(lines 59 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,877 INFO  L268        CegarLoopResult]: For program point  L588-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,877 INFO  L268        CegarLoopResult]: For program point  L555-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,877 INFO  L268        CegarLoopResult]: For program point  L522-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,877 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 29 598)  the Hoare annotation is:  (let ((.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse25 (= ~a11~0 |old(~a11~0)|)) (.cse20 (<= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse6 (< ~a17~0 9)) (.cse7 (<= |old(~a28~0)| ~a28~0)) (.cse18 (= 1 ~a25~0)) (.cse26 (= 1 |old(~a25~0)|))) (let ((.cse12 (= 1 ~a19~0)) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse15 (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|)))) (.cse14 (= 8 ~a17~0)) (.cse13 (<= ~a11~0 |old(~a11~0)|)) (.cse17 (not (<= |old(~a17~0)| 7))) (.cse4 (= 1 ~a11~0)) (.cse3 (and .cse26 (not (< 9 |old(~a28~0)|)))) (.cse10 (not (= 1 |old(~a11~0)|))) (.cse24 (and .cse25 .cse20 .cse5 .cse6 .cse7 .cse18)) (.cse21 (not (< |old(~a28~0)| 11))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse22 (not (<= |old(~a28~0)| 7))) (.cse19 (not .cse26)) (.cse1 (not (<= |old(~a28~0)| 9))) (.cse2 (not (< |old(~a17~0)| 9))) (.cse23 (and .cse20 .cse25 .cse5 .cse6 .cse7 .cse8)) (.cse9 (not (= 1 ~a21~0))) (.cse16 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (<= ~a28~0 9) .cse5 .cse6 .cse7 .cse8) (not (< 8 |old(~a28~0)|)) .cse9 .cse10) (or .cse0 (not (= 10 |old(~a28~0)|)) .cse11 (and .cse12 .cse13 (= 10 ~a28~0) .cse14) .cse15 .cse9 .cse16) (or (and (<= ~a17~0 |old(~a17~0)|) .cse7 .cse8) .cse17 .cse9) (or .cse0 (and .cse12 .cse4 (= 9 ~a28~0) .cse14 .cse18) .cse11 .cse19 .cse9 (not (= 9 |old(~a28~0)|)) .cse10) (or .cse0 .cse11 (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) .cse15 .cse9 .cse14 .cse16) (or .cse13 .cse17 .cse9 .cse16) (or .cse0 (and .cse20 .cse4 .cse5 .cse6 .cse7 .cse18) .cse19 .cse2 .cse3 .cse9 .cse21 .cse10) (or .cse22 .cse2 .cse23 .cse9 .cse10) (or .cse0 .cse24 .cse19 .cse2 .cse9 .cse16) (or .cse24 .cse19 .cse2 .cse9 .cse16 .cse21) (or .cse0 .cse22 .cse19 .cse2 (and .cse20 .cse5 .cse6 .cse7 .cse18) .cse9) (or .cse1 .cse2 .cse23 .cse9 .cse16))))
[2020-07-21 01:26:39,877 INFO  L268        CegarLoopResult]: For program point  L489-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L456-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L423-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L159(lines 159 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L589(line 589)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L556(line 556)  no Hoare annotation was computed.
[2020-07-21 01:26:39,878 INFO  L268        CegarLoopResult]: For program point  L523(line 523)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L490(line 490)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L457(line 457)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L424(line 424)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L259(lines 259 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L293(lines 293 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L95(lines 95 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L591-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L558-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,879 INFO  L268        CegarLoopResult]: For program point  L525-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L492-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L459-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L426-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L30(lines 30 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L592(line 592)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L559(line 559)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L526(line 526)  no Hoare annotation was computed.
[2020-07-21 01:26:39,880 INFO  L268        CegarLoopResult]: For program point  L493(line 493)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L460(line 460)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L427(line 427)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L328(lines 328 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L262(lines 262 274)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L262-2(lines 262 274)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,881 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L594-1(lines 594 596)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L561-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L528-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L495-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L462-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L429-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L297(lines 297 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L198(lines 198 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,882 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L99(lines 99 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L595(line 595)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L562(line 562)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L529(line 529)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L496(line 496)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L463(line 463)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L430(line 430)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L331(lines 331 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,883 INFO  L268        CegarLoopResult]: For program point  L298(lines 298 307)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  L232(lines 232 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  L298-2(lines 298 307)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  L332(lines 332 335)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  L332-2(lines 332 335)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  L134(lines 134 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  L35(lines 35 413)  no Hoare annotation was computed.
[2020-07-21 01:26:39,884 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 01:26:39,885 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0))
[2020-07-21 01:26:39,885 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-21 01:26:39,885 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 01:26:39,885 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 600 617)  the Hoare annotation is:  (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 |old(~a11~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)))
[2020-07-21 01:26:39,885 INFO  L264        CegarLoopResult]: At program point  L606-2(lines 606 616)  the Hoare annotation is:  (let ((.cse6 (= 8 ~a17~0)) (.cse1 (= 1 ~a11~0)) (.cse0 (= 1 ~a19~0)) (.cse7 (<= ~a28~0 7)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse2 (< ~a28~0 11)) (.cse3 (< ~a17~0 9)) (.cse4 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (< 8 ~a28~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse5 (<= ~a28~0 9) .cse3) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 (<= ~a11~0 0) (= 10 ~a28~0) .cse6) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse1 (= 9 ~a28~0) .cse6) (<= ~a17~0 7) (and .cse1 .cse3 .cse7) (and .cse0 .cse3 .cse7 .cse4) (and .cse5 .cse2 .cse3 .cse4)))
[2020-07-21 01:26:39,885 INFO  L268        CegarLoopResult]: For program point  L606-3(lines 600 617)  no Hoare annotation was computed.
[2020-07-21 01:26:39,886 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 600 617)  no Hoare annotation was computed.
[2020-07-21 01:26:39,886 INFO  L264        CegarLoopResult]: At program point  L614(line 614)  the Hoare annotation is:  (let ((.cse6 (= 8 ~a17~0)) (.cse1 (= 1 ~a11~0)) (.cse0 (= 1 ~a19~0)) (.cse7 (<= ~a28~0 7)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse2 (< ~a28~0 11)) (.cse3 (< ~a17~0 9)) (.cse4 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (< 8 ~a28~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse5 (<= ~a28~0 9) .cse3) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse1 (= 9 ~a28~0) .cse6) (and .cse0 (<= ~a11~0 0) (= 10 ~a28~0) .cse6 (or (= 1 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0))) (<= ~a17~0 7) (and .cse1 .cse3 .cse7) (and .cse0 .cse3 .cse7 .cse4) (and .cse5 .cse2 .cse3 .cse4)))
[2020-07-21 01:26:39,886 INFO  L268        CegarLoopResult]: For program point  L614-1(line 614)  no Hoare annotation was computed.
[2020-07-21 01:26:39,886 INFO  L268        CegarLoopResult]: For program point  L611(line 611)  no Hoare annotation was computed.
[2020-07-21 01:26:39,913 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:26:39 BoogieIcfgContainer
[2020-07-21 01:26:39,913 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 01:26:39,917 INFO  L168              Benchmark]: Toolchain (without parser) took 25112.73 ms. Allocated memory was 138.9 MB in the beginning and 537.4 MB in the end (delta: 398.5 MB). Free memory was 101.6 MB in the beginning and 155.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 416.1 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:39,918 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-21 01:26:39,921 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 671.66 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:39,927 INFO  L168              Benchmark]: Boogie Preprocessor took 93.11 ms. Allocated memory is still 205.0 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:39,928 INFO  L168              Benchmark]: RCFGBuilder took 1261.78 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.7 MB in the beginning and 181.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:39,931 INFO  L168              Benchmark]: TraceAbstraction took 23078.91 ms. Allocated memory was 238.6 MB in the beginning and 537.4 MB in the end (delta: 298.8 MB). Free memory was 181.8 MB in the beginning and 155.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 396.7 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:39,937 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 671.66 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 93.11 ms. Allocated memory is still 205.0 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1261.78 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.7 MB in the beginning and 181.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 23078.91 ms. Allocated memory was 238.6 MB in the beginning and 537.4 MB in the end (delta: 298.8 MB). Free memory was 181.8 MB in the beginning and 155.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 396.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 586]: 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: 606]: Loop Invariant
    Derived loop invariant: (((((((((((((!(1 == \old(a19)) || (((((1 == a19 && 8 < a28) && 1 == a11) && a28 < 11) && a17 < 9) && 1 == a25)) || (((1 == a19 && a11 == \old(a11)) && a17 < 9) && 1 == a25)) || !(7 == \old(a28))) || ((a11 == \old(a11) && a28 <= 9) && a17 < 9)) || !(1 == a21)) || !(\old(a11) <= 0)) || (((1 == a19 && a11 <= 0) && 10 == a28) && 8 == a17)) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || (((1 == a19 && 1 == a11) && 9 == a28) && 8 == a17)) || a17 <= 7) || ((1 == a11 && a17 < 9) && a28 <= 7)) || (((1 == a19 && a17 < 9) && a28 <= 7) && 1 == a25)) || (((a11 == \old(a11) && a28 < 11) && a17 < 9) && 1 == a25)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 806 SDtfs, 5807 SDslu, 791 SDs, 0 SdLazy, 9543 SolverSat, 1183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3630 GetRequests, 3517 SyntacticMatches, 5 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2753occurred in iteration=9, 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, 10 MinimizatonAttempts, 123 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 103 PreInvPairs, 149 NumberOfFragments, 837 HoareAnnotationTreeSize, 103 FomulaSimplifications, 1703 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3199 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2097 NumberOfCodeBlocks, 1234 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3561 ConstructedInterpolants, 0 QuantifiedInterpolants, 2622466 SizeOfPredicates, 47 NumberOfNonLiveVariables, 3712 ConjunctsInSsa, 165 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1606/1648 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...