/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 NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 17:31:01,316 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 17:31:01,319 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 17:31:01,331 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 17:31:01,332 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 17:31:01,333 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 17:31:01,334 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-07-20 17:31:01,341 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 17:31:01,341 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-07-20 17:31:01,343 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 17:31:01,347 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 17:31:01,348 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 17:31:01,349 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 17:31:01,350 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 17:31:01,352 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 17:31:01,354 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 17:31:01,355 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 17:31:01,356 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 17:31:01,356 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 17:31:01,359 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 17:31:01,359 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 17:31:01,359 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-07-20 17:31:01,361 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-07-20 17:31:01,362 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-07-20 17:31:01,365 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-07-20 17:31:01,366 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 17:31:01,368 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 17:31:01,369 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 17:31:01,383 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 17:31:01,383 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 17:31:01,385 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 17:31:01,385 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 17:31:01,385 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 17:31:01,385 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 17:31:01,385 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 17:31:01,386 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 17:31:01,386 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 17:31:01,386 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 17:31:01,386 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 17:31:01,386 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 17:31:01,387 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 17:31:01,387 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 17:31:01,387 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 17:31:01,387 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 17:31:01,387 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 17:31:01,388 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 17:31:01,388 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 17:31:01,388 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 17:31:01,388 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 17:31:01,389 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:31:01,389 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 17:31:01,389 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 17:31:01,389 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 17:31:01,389 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 17:31:01,390 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:01,390 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 17:31:01,390 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 17:31:01,390 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 -> NUM_VARIABLES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 17:31:01,690 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 17:31:01,703 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 17:31:01,706 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 17:31:01,708 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 17:31:01,708 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 17:31:01,709 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c
[2020-07-20 17:31:01,772 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea0d008e/7dfcca9134f944569d94ee4957dd59ba/FLAG9ac24e732
[2020-07-20 17:31:02,337 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 17:31:02,338 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c
[2020-07-20 17:31:02,350 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea0d008e/7dfcca9134f944569d94ee4957dd59ba/FLAG9ac24e732
[2020-07-20 17:31:02,642 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea0d008e/7dfcca9134f944569d94ee4957dd59ba
[2020-07-20 17:31:02,651 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 17:31:02,654 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 17:31:02,655 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 17:31:02,656 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 17:31:02,659 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 17:31:02,661 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:31:02" (1/1) ...
[2020-07-20 17:31:02,664 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2043f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:02, skipping insertion in model container
[2020-07-20 17:31:02,664 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:31:02" (1/1) ...
[2020-07-20 17:31:02,672 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 17:31:02,745 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 17:31:03,289 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:31:03,301 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 17:31:03,451 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:31:03,480 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 17:31:03,480 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03 WrapperNode
[2020-07-20 17:31:03,480 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 17:31:03,481 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 17:31:03,481 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 17:31:03,481 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 17:31:03,500 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
[2020-07-20 17:31:03,500 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
[2020-07-20 17:31:03,521 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
[2020-07-20 17:31:03,522 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
[2020-07-20 17:31:03,563 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
[2020-07-20 17:31:03,580 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
[2020-07-20 17:31:03,586 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
[2020-07-20 17:31:03,594 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 17:31:03,595 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 17:31:03,595 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 17:31:03,595 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 17:31:03,596 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:31:03,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 17:31:03,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 17:31:03,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 17:31:03,708 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 17:31:03,708 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 17:31:03,709 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 17:31:03,709 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 17:31:03,709 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 17:31:03,709 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 17:31:03,709 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 17:31:03,710 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 17:31:05,276 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 17:31:05,277 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 17:31:05,283 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:31:05 BoogieIcfgContainer
[2020-07-20 17:31:05,284 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 17:31:05,285 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 17:31:05,285 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 17:31:05,289 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 17:31:05,289 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:31:02" (1/3) ...
[2020-07-20 17:31:05,290 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e599999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:31:05, skipping insertion in model container
[2020-07-20 17:31:05,291 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:31:03" (2/3) ...
[2020-07-20 17:31:05,291 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e599999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:31:05, skipping insertion in model container
[2020-07-20 17:31:05,292 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:31:05" (3/3) ...
[2020-07-20 17:31:05,294 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem10_label53.c
[2020-07-20 17:31:05,306 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 17:31:05,315 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 17:31:05,334 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 17:31:05,365 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 17:31:05,366 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 17:31:05,366 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 17:31:05,366 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 17:31:05,366 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 17:31:05,366 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 17:31:05,367 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 17:31:05,367 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 17:31:05,398 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-20 17:31:05,408 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-07-20 17:31:05,408 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:05,410 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]
[2020-07-20 17:31:05,410 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:05,418 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:05,419 INFO  L82        PathProgramCache]: Analyzing trace with hash 253834415, now seen corresponding path program 1 times
[2020-07-20 17:31:05,429 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:05,429 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945847920]
[2020-07-20 17:31:05,430 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:05,548 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:05,548 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:05,551 INFO  L263         TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 17:31:05,559 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:05,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:31:05,630 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:31:05,631 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945847920]
[2020-07-20 17:31:05,632 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:31:05,632 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:31:05,633 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151803586]
[2020-07-20 17:31:05,639 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:31:05,639 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:05,653 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:31:05,654 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:05,656 INFO  L87              Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-20 17:31:06,832 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:06,833 INFO  L93              Difference]: Finished difference Result 586 states and 1004 transitions.
[2020-07-20 17:31:06,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:31:06,837 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 48
[2020-07-20 17:31:06,838 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:06,869 INFO  L225             Difference]: With dead ends: 586
[2020-07-20 17:31:06,869 INFO  L226             Difference]: Without dead ends: 294
[2020-07-20 17:31:06,884 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:06,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-20 17:31:06,994 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-20 17:31:06,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 17:31:07,000 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions.
[2020-07-20 17:31:07,003 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 48
[2020-07-20 17:31:07,004 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:07,004 INFO  L479      AbstractCegarLoop]: Abstraction has 294 states and 426 transitions.
[2020-07-20 17:31:07,004 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:31:07,006 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions.
[2020-07-20 17:31:07,014 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2020-07-20 17:31:07,015 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:07,017 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:31:07,218 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:07,218 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:07,219 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:07,219 INFO  L82        PathProgramCache]: Analyzing trace with hash -384487862, now seen corresponding path program 1 times
[2020-07-20 17:31:07,219 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:07,220 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790452114]
[2020-07-20 17:31:07,220 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:07,324 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:07,324 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:07,326 INFO  L263         TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:31:07,331 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:07,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:31:07,373 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:31:07,374 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790452114]
[2020-07-20 17:31:07,374 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:31:07,374 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:31:07,374 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414506547]
[2020-07-20 17:31:07,376 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:31:07,377 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:07,377 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:31:07,377 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:07,377 INFO  L87              Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 3 states.
[2020-07-20 17:31:08,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:08,093 INFO  L93              Difference]: Finished difference Result 868 states and 1277 transitions.
[2020-07-20 17:31:08,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:31:08,094 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 122
[2020-07-20 17:31:08,094 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:08,099 INFO  L225             Difference]: With dead ends: 868
[2020-07-20 17:31:08,100 INFO  L226             Difference]: Without dead ends: 580
[2020-07-20 17:31:08,102 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:08,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 580 states.
[2020-07-20 17:31:08,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580.
[2020-07-20 17:31:08,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 580 states.
[2020-07-20 17:31:08,133 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 762 transitions.
[2020-07-20 17:31:08,133 INFO  L78                 Accepts]: Start accepts. Automaton has 580 states and 762 transitions. Word has length 122
[2020-07-20 17:31:08,134 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:08,134 INFO  L479      AbstractCegarLoop]: Abstraction has 580 states and 762 transitions.
[2020-07-20 17:31:08,134 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:31:08,134 INFO  L276                IsEmpty]: Start isEmpty. Operand 580 states and 762 transitions.
[2020-07-20 17:31:08,137 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2020-07-20 17:31:08,138 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:08,138 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:31:08,351 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:08,352 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:08,353 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:08,353 INFO  L82        PathProgramCache]: Analyzing trace with hash -1735493107, now seen corresponding path program 1 times
[2020-07-20 17:31:08,354 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:08,354 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667560422]
[2020-07-20 17:31:08,355 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:08,438 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:08,438 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:08,440 INFO  L263         TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:31:08,444 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:08,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:31:08,493 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:31:08,493 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667560422]
[2020-07-20 17:31:08,494 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:31:08,494 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:31:08,495 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164436708]
[2020-07-20 17:31:08,497 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:31:08,498 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:08,498 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:31:08,499 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:08,506 INFO  L87              Difference]: Start difference. First operand 580 states and 762 transitions. Second operand 3 states.
[2020-07-20 17:31:09,235 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:09,236 INFO  L93              Difference]: Finished difference Result 1440 states and 1957 transitions.
[2020-07-20 17:31:09,236 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:31:09,236 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 127
[2020-07-20 17:31:09,237 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:09,242 INFO  L225             Difference]: With dead ends: 1440
[2020-07-20 17:31:09,242 INFO  L226             Difference]: Without dead ends: 866
[2020-07-20 17:31:09,244 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:09,246 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 866 states.
[2020-07-20 17:31:09,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866.
[2020-07-20 17:31:09,274 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 866 states.
[2020-07-20 17:31:09,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1139 transitions.
[2020-07-20 17:31:09,278 INFO  L78                 Accepts]: Start accepts. Automaton has 866 states and 1139 transitions. Word has length 127
[2020-07-20 17:31:09,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:09,279 INFO  L479      AbstractCegarLoop]: Abstraction has 866 states and 1139 transitions.
[2020-07-20 17:31:09,279 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:31:09,280 INFO  L276                IsEmpty]: Start isEmpty. Operand 866 states and 1139 transitions.
[2020-07-20 17:31:09,283 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-07-20 17:31:09,283 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:09,283 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:31:09,498 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:09,499 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:09,500 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:09,500 INFO  L82        PathProgramCache]: Analyzing trace with hash -1739497747, now seen corresponding path program 1 times
[2020-07-20 17:31:09,501 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:09,501 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459532234]
[2020-07-20 17:31:09,502 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:09,610 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:09,610 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:09,612 INFO  L263         TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:31:09,616 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:09,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:31:09,653 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:31:09,654 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459532234]
[2020-07-20 17:31:09,654 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:31:09,654 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:31:09,655 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153771068]
[2020-07-20 17:31:09,655 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:31:09,655 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:09,656 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:31:09,656 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:09,656 INFO  L87              Difference]: Start difference. First operand 866 states and 1139 transitions. Second operand 3 states.
[2020-07-20 17:31:10,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:10,463 INFO  L93              Difference]: Finished difference Result 2012 states and 2717 transitions.
[2020-07-20 17:31:10,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:31:10,463 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 143
[2020-07-20 17:31:10,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:10,473 INFO  L225             Difference]: With dead ends: 2012
[2020-07-20 17:31:10,473 INFO  L226             Difference]: Without dead ends: 1152
[2020-07-20 17:31:10,476 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:10,477 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1152 states.
[2020-07-20 17:31:10,504 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1152.
[2020-07-20 17:31:10,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1152 states.
[2020-07-20 17:31:10,510 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1466 transitions.
[2020-07-20 17:31:10,511 INFO  L78                 Accepts]: Start accepts. Automaton has 1152 states and 1466 transitions. Word has length 143
[2020-07-20 17:31:10,511 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:10,511 INFO  L479      AbstractCegarLoop]: Abstraction has 1152 states and 1466 transitions.
[2020-07-20 17:31:10,511 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:31:10,512 INFO  L276                IsEmpty]: Start isEmpty. Operand 1152 states and 1466 transitions.
[2020-07-20 17:31:10,516 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-07-20 17:31:10,516 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:10,517 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 17:31:10,728 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:10,728 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:10,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:10,729 INFO  L82        PathProgramCache]: Analyzing trace with hash 520858779, now seen corresponding path program 1 times
[2020-07-20 17:31:10,730 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:10,730 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144188429]
[2020-07-20 17:31:10,731 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:10,849 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:10,850 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:10,852 INFO  L263         TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:31:10,856 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:10,932 INFO  L134       CoverageAnalysis]: Checked inductivity of 155 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:31:10,932 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:31:11,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 155 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:31:11,039 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144188429]
[2020-07-20 17:31:11,039 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 17:31:11,040 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 17:31:11,040 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060365541]
[2020-07-20 17:31:11,041 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 17:31:11,041 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:11,041 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 17:31:11,042 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 17:31:11,042 INFO  L87              Difference]: Start difference. First operand 1152 states and 1466 transitions. Second operand 7 states.
[2020-07-20 17:31:12,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:12,723 INFO  L93              Difference]: Finished difference Result 3951 states and 5238 transitions.
[2020-07-20 17:31:12,723 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-20 17:31:12,724 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 200
[2020-07-20 17:31:12,724 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:12,742 INFO  L225             Difference]: With dead ends: 3951
[2020-07-20 17:31:12,742 INFO  L226             Difference]: Without dead ends: 1921
[2020-07-20 17:31:12,749 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2020-07-20 17:31:12,752 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1921 states.
[2020-07-20 17:31:12,822 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1885.
[2020-07-20 17:31:12,823 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1885 states.
[2020-07-20 17:31:12,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2211 transitions.
[2020-07-20 17:31:12,834 INFO  L78                 Accepts]: Start accepts. Automaton has 1885 states and 2211 transitions. Word has length 200
[2020-07-20 17:31:12,835 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:12,835 INFO  L479      AbstractCegarLoop]: Abstraction has 1885 states and 2211 transitions.
[2020-07-20 17:31:12,835 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 17:31:12,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 1885 states and 2211 transitions.
[2020-07-20 17:31:12,845 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2020-07-20 17:31:12,845 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:12,846 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 17:31:13,056 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:13,057 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:13,057 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:13,057 INFO  L82        PathProgramCache]: Analyzing trace with hash 782482950, now seen corresponding path program 1 times
[2020-07-20 17:31:13,058 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:13,058 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904362663]
[2020-07-20 17:31:13,058 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:13,217 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:13,217 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:13,219 INFO  L263         TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:31:13,223 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:13,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2020-07-20 17:31:13,253 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:31:13,254 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904362663]
[2020-07-20 17:31:13,254 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:31:13,254 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:31:13,254 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775583221]
[2020-07-20 17:31:13,255 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:31:13,255 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:13,255 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:31:13,256 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:13,256 INFO  L87              Difference]: Start difference. First operand 1885 states and 2211 transitions. Second operand 3 states.
[2020-07-20 17:31:13,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:13,919 INFO  L93              Difference]: Finished difference Result 4050 states and 4819 transitions.
[2020-07-20 17:31:13,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:31:13,920 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 215
[2020-07-20 17:31:13,920 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:13,938 INFO  L225             Difference]: With dead ends: 4050
[2020-07-20 17:31:13,938 INFO  L226             Difference]: Without dead ends: 2169
[2020-07-20 17:31:13,948 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:13,951 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2169 states.
[2020-07-20 17:31:14,008 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 2024.
[2020-07-20 17:31:14,008 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2024 states.
[2020-07-20 17:31:14,016 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2390 transitions.
[2020-07-20 17:31:14,017 INFO  L78                 Accepts]: Start accepts. Automaton has 2024 states and 2390 transitions. Word has length 215
[2020-07-20 17:31:14,017 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:14,017 INFO  L479      AbstractCegarLoop]: Abstraction has 2024 states and 2390 transitions.
[2020-07-20 17:31:14,018 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:31:14,018 INFO  L276                IsEmpty]: Start isEmpty. Operand 2024 states and 2390 transitions.
[2020-07-20 17:31:14,022 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 232
[2020-07-20 17:31:14,023 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:14,023 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 17:31:14,238 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:14,239 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:14,239 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:14,240 INFO  L82        PathProgramCache]: Analyzing trace with hash -1468840372, now seen corresponding path program 1 times
[2020-07-20 17:31:14,240 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:14,241 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89317909]
[2020-07-20 17:31:14,241 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:14,384 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:14,384 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:14,385 INFO  L263         TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:31:14,389 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:14,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 159 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2020-07-20 17:31:14,459 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:31:14,459 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89317909]
[2020-07-20 17:31:14,459 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:31:14,459 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:31:14,460 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987276753]
[2020-07-20 17:31:14,460 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:31:14,460 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:14,461 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:31:14,461 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:14,461 INFO  L87              Difference]: Start difference. First operand 2024 states and 2390 transitions. Second operand 3 states.
[2020-07-20 17:31:15,019 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:15,020 INFO  L93              Difference]: Finished difference Result 2026 states and 2391 transitions.
[2020-07-20 17:31:15,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:31:15,025 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 231
[2020-07-20 17:31:15,026 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:15,036 INFO  L225             Difference]: With dead ends: 2026
[2020-07-20 17:31:15,036 INFO  L226             Difference]: Without dead ends: 2024
[2020-07-20 17:31:15,038 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:15,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2024 states.
[2020-07-20 17:31:15,098 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2024.
[2020-07-20 17:31:15,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2024 states.
[2020-07-20 17:31:15,107 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2389 transitions.
[2020-07-20 17:31:15,108 INFO  L78                 Accepts]: Start accepts. Automaton has 2024 states and 2389 transitions. Word has length 231
[2020-07-20 17:31:15,108 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:15,108 INFO  L479      AbstractCegarLoop]: Abstraction has 2024 states and 2389 transitions.
[2020-07-20 17:31:15,108 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:31:15,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 2024 states and 2389 transitions.
[2020-07-20 17:31:15,114 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2020-07-20 17:31:15,115 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:31:15,115 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 17:31:15,329 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:15,330 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:31:15,330 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:31:15,330 INFO  L82        PathProgramCache]: Analyzing trace with hash -1385670853, now seen corresponding path program 1 times
[2020-07-20 17:31:15,331 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:31:15,331 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955060033]
[2020-07-20 17:31:15,331 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:15,482 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:31:15,482 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:31:15,484 INFO  L263         TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:31:15,486 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:31:15,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 159 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2020-07-20 17:31:15,527 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:31:15,528 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955060033]
[2020-07-20 17:31:15,528 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:31:15,528 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:31:15,528 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061147436]
[2020-07-20 17:31:15,529 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:31:15,529 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:31:15,530 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:31:15,530 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:15,530 INFO  L87              Difference]: Start difference. First operand 2024 states and 2389 transitions. Second operand 3 states.
[2020-07-20 17:31:16,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:31:16,111 INFO  L93              Difference]: Finished difference Result 2024 states and 2389 transitions.
[2020-07-20 17:31:16,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:31:16,112 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 244
[2020-07-20 17:31:16,113 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:31:16,113 INFO  L225             Difference]: With dead ends: 2024
[2020-07-20 17:31:16,114 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 17:31:16,118 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:31:16,119 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 17:31:16,119 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 17:31:16,119 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 17:31:16,119 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 17:31:16,120 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244
[2020-07-20 17:31:16,120 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:31:16,120 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 17:31:16,120 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:31:16,120 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 17:31:16,121 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 17:31:16,324 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:31:16,328 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 17:31:17,086 WARN  L193               SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56
[2020-07-20 17:31:17,246 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (<= ~a19~0 |old(~a19~0)|)
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  L465(lines 465 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  L168-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  L135-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  L69-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,247 INFO  L268        CegarLoopResult]: For program point  L36-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,248 INFO  L268        CegarLoopResult]: For program point  L499(lines 499 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,248 INFO  L268        CegarLoopResult]: For program point  L301(lines 301 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,248 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-07-20 17:31:17,248 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-07-20 17:31:17,248 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-07-20 17:31:17,248 INFO  L268        CegarLoopResult]: For program point  L103(line 103)  no Hoare annotation was computed.
[2020-07-20 17:31:17,248 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-07-20 17:31:17,249 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-07-20 17:31:17,249 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L236(lines 236 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L171-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L72-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L39-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,250 INFO  L268        CegarLoopResult]: For program point  L436(lines 436 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,251 INFO  L268        CegarLoopResult]: For program point  L403(lines 403 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,251 INFO  L268        CegarLoopResult]: For program point  L370(lines 370 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,251 INFO  L268        CegarLoopResult]: For program point  L271(lines 271 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,251 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-07-20 17:31:17,251 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-07-20 17:31:17,251 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-07-20 17:31:17,252 INFO  L268        CegarLoopResult]: For program point  L73(line 73)  no Hoare annotation was computed.
[2020-07-20 17:31:17,252 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-07-20 17:31:17,252 INFO  L268        CegarLoopResult]: For program point  L569(lines 569 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,252 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,253 INFO  L268        CegarLoopResult]: For program point  L504(lines 504 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,253 INFO  L268        CegarLoopResult]: For program point  L471(lines 471 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,253 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130)  no Hoare annotation was computed.
[2020-07-20 17:31:17,253 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,253 INFO  L268        CegarLoopResult]: For program point  L174-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,254 INFO  L268        CegarLoopResult]: For program point  L141-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,254 INFO  L268        CegarLoopResult]: For program point  L108-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,254 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,254 INFO  L268        CegarLoopResult]: For program point  L42-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,254 INFO  L268        CegarLoopResult]: For program point  L340(lines 340 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,254 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 17:31:17,254 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L43(line 43)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L540(lines 540 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L210(lines 210 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,255 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,256 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,256 INFO  L268        CegarLoopResult]: For program point  L111-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,256 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,256 INFO  L268        CegarLoopResult]: For program point  L45-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,256 INFO  L268        CegarLoopResult]: For program point  L442(lines 442 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,256 INFO  L268        CegarLoopResult]: For program point  L277(lines 277 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,256 INFO  L268        CegarLoopResult]: For program point  L244(lines 244 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L178(line 178)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L509(lines 509 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L476(lines 476 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,257 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L147-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L81-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L48-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,258 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-20 17:31:17,259 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-07-20 17:31:17,259 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-07-20 17:31:17,259 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-20 17:31:17,259 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-07-20 17:31:17,259 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,259 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,259 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L249(lines 249 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L183-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L150-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L84-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L514(lines 514 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,260 INFO  L268        CegarLoopResult]: For program point  L481(lines 481 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-07-20 17:31:17,261 INFO  L268        CegarLoopResult]: For program point  L548(lines 548 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L383(lines 383 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L351(lines 351 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L153-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L120-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L87-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,262 INFO  L268        CegarLoopResult]: For program point  L21(lines 21 23)  no Hoare annotation was computed.
[2020-07-20 17:31:17,263 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,263 INFO  L268        CegarLoopResult]: For program point  L21-2(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,263 INFO  L268        CegarLoopResult]: For program point  L517(lines 517 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,263 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,263 INFO  L268        CegarLoopResult]: For program point  L220(lines 220 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,263 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-20 17:31:17,263 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L419(lines 419 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L254(lines 254 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,264 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L156-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L57-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L24-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L487(lines 487 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,265 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-07-20 17:31:17,266 INFO  L268        CegarLoopResult]: For program point  L554(lines 554 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,267 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,267 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 20 574)  the Hoare annotation is:  (let ((.cse8 (<= 9 ~a19~0)) (.cse7 (not (<= 9 |old(~a19~0)|))) (.cse5 (not (<= |old(~a19~0)| 8))) (.cse0 (<= ~a19~0 |old(~a19~0)|)) (.cse9 (not (<= |old(~a10~0)| 2))) (.cse4 (not (<= 4 |old(~a10~0)|))) (.cse6 (not (< |old(~a19~0)| 10))) (.cse1 (not (<= |old(~a1~0)| 23))) (.cse2 (<= ~a1~0 23)) (.cse3 (not (<= |old(~a10~0)| 1)))) (and (or (not (<= |old(~a19~0)| 6)) .cse0) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0) (or .cse6 .cse7 (and .cse8 (< ~a19~0 10))) (or .cse6 (<= ~a10~0 2) .cse9) (or (and .cse8 .cse0) .cse7 .cse3) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0))) (or .cse1 .cse5 .cse0) (or .cse5 .cse0 .cse9) (or .cse4 .cse6 (<= 4 ~a10~0)) (or .cse6 .cse1 .cse2) (or (<= ~a10~0 1) .cse3)))
[2020-07-20 17:31:17,267 INFO  L268        CegarLoopResult]: For program point  L357(lines 357 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,267 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,267 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,267 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,267 INFO  L268        CegarLoopResult]: For program point  L159-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L126-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L93-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L60-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L27-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L523(lines 523 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 17:31:17,268 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L61(line 61)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L557(lines 557 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L425(lines 425 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L326(lines 326 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,269 INFO  L268        CegarLoopResult]: For program point  L393(lines 393 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L360(lines 360 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L195-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L162-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L96-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L63-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L30-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L526(lines 526 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,270 INFO  L268        CegarLoopResult]: For program point  L493(lines 493 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-07-20 17:31:17,271 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L296(lines 296 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L99-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,272 INFO  L268        CegarLoopResult]: For program point  L33-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:31:17,273 INFO  L268        CegarLoopResult]: For program point  L529(lines 529 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,273 INFO  L268        CegarLoopResult]: For program point  L430(lines 430 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,273 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,273 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-07-20 17:31:17,273 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-07-20 17:31:17,273 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-07-20 17:31:17,273 INFO  L268        CegarLoopResult]: For program point  L100(line 100)  no Hoare annotation was computed.
[2020-07-20 17:31:17,274 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-07-20 17:31:17,274 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-07-20 17:31:17,274 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,274 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,274 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 572)  no Hoare annotation was computed.
[2020-07-20 17:31:17,274 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:31:17,274 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a1~0 23) (< ~a19~0 10))
[2020-07-20 17:31:17,274 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 17:31:17,275 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:31:17,275 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 576 592)  the Hoare annotation is:  (or (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a1~0 23) (< ~a19~0 10)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)))
[2020-07-20 17:31:17,275 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 17:31:17,275 INFO  L264        CegarLoopResult]: At program point  L590(line 590)  the Hoare annotation is:  (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a1~0 23)) (and .cse0 (<= ~a10~0 2)) (and (<= 9 ~a19~0) (< ~a19~0 10)) (and .cse0 (<= 4 ~a10~0))))
[2020-07-20 17:31:17,275 INFO  L268        CegarLoopResult]: For program point  L590-1(line 590)  no Hoare annotation was computed.
[2020-07-20 17:31:17,275 INFO  L268        CegarLoopResult]: For program point  L587(line 587)  no Hoare annotation was computed.
[2020-07-20 17:31:17,276 INFO  L264        CegarLoopResult]: At program point  L582-2(lines 582 591)  the Hoare annotation is:  (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a1~0 23)) (and .cse0 (<= ~a10~0 2)) (and (<= 9 ~a19~0) (< ~a19~0 10)) (and .cse0 (<= 4 ~a10~0))))
[2020-07-20 17:31:17,276 INFO  L268        CegarLoopResult]: For program point  L582-3(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 17:31:17,296 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:31:17 BoogieIcfgContainer
[2020-07-20 17:31:17,296 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 17:31:17,298 INFO  L168              Benchmark]: Toolchain (without parser) took 14645.53 ms. Allocated memory was 136.3 MB in the beginning and 402.1 MB in the end (delta: 265.8 MB). Free memory was 98.0 MB in the beginning and 188.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 175.8 MB. Max. memory is 7.1 GB.
[2020-07-20 17:31:17,299 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 17:31:17,300 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 825.39 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 97.8 MB in the beginning and 168.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB.
[2020-07-20 17:31:17,301 INFO  L168              Benchmark]: Boogie Preprocessor took 112.91 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 164.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
[2020-07-20 17:31:17,302 INFO  L168              Benchmark]: RCFGBuilder took 1689.27 ms. Allocated memory was 202.4 MB in the beginning and 230.7 MB in the end (delta: 28.3 MB). Free memory was 164.0 MB in the beginning and 179.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB.
[2020-07-20 17:31:17,302 INFO  L168              Benchmark]: TraceAbstraction took 12011.39 ms. Allocated memory was 230.7 MB in the beginning and 402.1 MB in the end (delta: 171.4 MB). Free memory was 179.4 MB in the beginning and 188.0 MB in the end (delta: -8.6 MB). Peak memory consumption was 162.8 MB. Max. memory is 7.1 GB.
[2020-07-20 17:31:17,306 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 825.39 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 97.8 MB in the beginning and 168.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 112.91 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 164.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1689.27 ms. Allocated memory was 202.4 MB in the beginning and 230.7 MB in the end (delta: 28.3 MB). Free memory was 164.0 MB in the beginning and 179.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 12011.39 ms. Allocated memory was 230.7 MB in the beginning and 402.1 MB in the end (delta: 171.4 MB). Free memory was 179.4 MB in the beginning and 188.0 MB in the end (delta: -8.6 MB). Peak memory consumption was 162.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 582]: Loop Invariant
    Derived loop invariant: ((((((((a10 <= 1 || !(\old(a19) < 10)) || !(\old(a1) <= 23)) || a19 <= 6) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a19 <= 8 && a1 <= 23)) || (a19 <= 8 && a10 <= 2)) || (9 <= a19 && a19 < 10)) || (a19 <= 8 && 4 <= a10)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 722 SDtfs, 1362 SDslu, 127 SDs, 0 SdLazy, 3570 SolverSat, 631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1529 GetRequests, 1511 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2024occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 181 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 64 PreInvPairs, 114 NumberOfFragments, 290 HoareAnnotationTreeSize, 64 FomulaSimplifications, 748 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 549 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1330 NumberOfCodeBlocks, 1330 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1521 ConstructedInterpolants, 0 QuantifiedInterpolants, 501787 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2535 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 899/903 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...