/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_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 14:07:20,975 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 14:07:20,977 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 14:07:20,991 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 14:07:20,991 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 14:07:20,992 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 14:07:20,994 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 14:07:20,996 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-07-20 14:07:21,002 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 14:07:21,003 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 14:07:21,004 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 14:07:21,006 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 14:07:21,006 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 14:07:21,007 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 14:07:21,009 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 14:07:21,012 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 14:07:21,013 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 14:07:21,015 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 14:07:21,017 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 14:07:21,021 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 14:07:21,028 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 14:07:21,028 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 14:07:21,028 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 14:07:21,030 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 14:07:21,030 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 14:07:21,033 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 14:07:21,033 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-07-20 14:07:21,037 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 14:07:21,037 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 14:07:21,038 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 14:07:21,039 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 14:07:21,043 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-07-20 14:07:21,044 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 14:07:21,046 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 14:07:21,048 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 14:07:21,075 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 14:07:21,075 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 14:07:21,077 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 14:07:21,077 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 14:07:21,078 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 14:07:21,078 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 14:07:21,078 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 14:07:21,078 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 14:07:21,078 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 14:07:21,079 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 14:07:21,080 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 14:07:21,080 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 14:07:21,080 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 14:07:21,081 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 14:07:21,081 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 14:07:21,081 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 14:07:21,081 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 14:07:21,081 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 14:07:21,082 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 14:07:21,082 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 14:07:21,082 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 14:07:21,083 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 14:07:21,083 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 14:07:21,083 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 14:07:21,083 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 14:07:21,083 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 14:07:21,084 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:21,084 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 14:07:21,084 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 14:07:21,084 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_FUNCTIONS
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 14:07:21,360 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 14:07:21,374 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 14:07:21,377 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 14:07:21,379 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 14:07:21,379 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 14:07:21,380 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29.c
[2020-07-20 14:07:21,448 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b715472f5/1adb3f35fe7246b58290626e899ed4a6/FLAGb2463eff2
[2020-07-20 14:07:22,068 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 14:07:22,069 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label29.c
[2020-07-20 14:07:22,083 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b715472f5/1adb3f35fe7246b58290626e899ed4a6/FLAGb2463eff2
[2020-07-20 14:07:22,268 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b715472f5/1adb3f35fe7246b58290626e899ed4a6
[2020-07-20 14:07:22,283 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 14:07:22,287 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 14:07:22,292 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 14:07:22,292 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 14:07:22,296 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 14:07:22,298 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:07:22" (1/1) ...
[2020-07-20 14:07:22,302 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90713e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:22, skipping insertion in model container
[2020-07-20 14:07:22,303 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:07:22" (1/1) ...
[2020-07-20 14:07:22,312 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 14:07:22,383 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 14:07:22,845 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:07:22,850 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 14:07:23,095 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:07:23,119 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 14:07:23,120 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23 WrapperNode
[2020-07-20 14:07:23,120 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 14:07:23,121 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 14:07:23,121 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 14:07:23,121 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 14:07:23,147 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (1/1) ...
[2020-07-20 14:07:23,149 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (1/1) ...
[2020-07-20 14:07:23,181 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (1/1) ...
[2020-07-20 14:07:23,181 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (1/1) ...
[2020-07-20 14:07:23,246 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (1/1) ...
[2020-07-20 14:07:23,261 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (1/1) ...
[2020-07-20 14:07:23,266 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (1/1) ...
[2020-07-20 14:07:23,273 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 14:07:23,274 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 14:07:23,274 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 14:07:23,274 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 14:07:23,275 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (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 14:07:23,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 14:07:23,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 14:07:23,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 14:07:23,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 14:07:23,343 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 14:07:23,343 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 14:07:23,343 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 14:07:23,343 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 14:07:23,344 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 14:07:23,344 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 14:07:23,344 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 14:07:24,547 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 14:07:24,548 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 14:07:24,554 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:07:24 BoogieIcfgContainer
[2020-07-20 14:07:24,555 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 14:07:24,556 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 14:07:24,556 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 14:07:24,560 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 14:07:24,560 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:07:22" (1/3) ...
[2020-07-20 14:07:24,561 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8063ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:07:24, skipping insertion in model container
[2020-07-20 14:07:24,561 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:07:23" (2/3) ...
[2020-07-20 14:07:24,562 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8063ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:07:24, skipping insertion in model container
[2020-07-20 14:07:24,562 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:07:24" (3/3) ...
[2020-07-20 14:07:24,564 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem02_label29.c
[2020-07-20 14:07:24,575 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 14:07:24,583 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 14:07:24,598 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 14:07:24,625 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 14:07:24,626 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 14:07:24,626 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 14:07:24,626 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 14:07:24,626 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 14:07:24,627 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 14:07:24,627 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 14:07:24,627 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 14:07:24,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states.
[2020-07-20 14:07:24,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2020-07-20 14:07:24,665 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:24,666 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:07:24,667 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:24,673 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:24,673 INFO  L82        PathProgramCache]: Analyzing trace with hash 370140070, now seen corresponding path program 1 times
[2020-07-20 14:07:24,683 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:24,683 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581533061]
[2020-07-20 14:07:24,684 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 14:07:24,863 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:24,864 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:24,867 INFO  L263         TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:07:24,878 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:24,974 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 14:07:24,975 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:07:24,976 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581533061]
[2020-07-20 14:07:24,977 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:07:24,977 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:07:24,978 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295016746]
[2020-07-20 14:07:24,986 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:07:24,987 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:25,001 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:07:25,002 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:07:25,004 INFO  L87              Difference]: Start difference. First operand 236 states. Second operand 3 states.
[2020-07-20 14:07:25,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:25,995 INFO  L93              Difference]: Finished difference Result 615 states and 1053 transitions.
[2020-07-20 14:07:25,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:07:25,997 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 108
[2020-07-20 14:07:25,998 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:26,018 INFO  L225             Difference]: With dead ends: 615
[2020-07-20 14:07:26,018 INFO  L226             Difference]: Without dead ends: 317
[2020-07-20 14:07:26,026 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 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 14:07:26,048 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 317 states.
[2020-07-20 14:07:26,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317.
[2020-07-20 14:07:26,123 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 317 states.
[2020-07-20 14:07:26,126 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions.
[2020-07-20 14:07:26,128 INFO  L78                 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 108
[2020-07-20 14:07:26,129 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:26,129 INFO  L479      AbstractCegarLoop]: Abstraction has 317 states and 478 transitions.
[2020-07-20 14:07:26,130 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:07:26,130 INFO  L276                IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions.
[2020-07-20 14:07:26,142 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2020-07-20 14:07:26,142 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:26,143 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:07:26,357 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:26,358 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:26,358 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:26,359 INFO  L82        PathProgramCache]: Analyzing trace with hash 521995979, now seen corresponding path program 1 times
[2020-07-20 14:07:26,359 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:26,359 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174384324]
[2020-07-20 14:07:26,359 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 14:07:26,491 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:26,492 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:26,493 INFO  L263         TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:07:26,505 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:26,579 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:07:26,579 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:07:26,580 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174384324]
[2020-07-20 14:07:26,580 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:07:26,580 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 14:07:26,581 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306930927]
[2020-07-20 14:07:26,582 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 14:07:26,583 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:26,583 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 14:07:26,584 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:07:26,584 INFO  L87              Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 5 states.
[2020-07-20 14:07:27,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:27,066 INFO  L93              Difference]: Finished difference Result 629 states and 962 transitions.
[2020-07-20 14:07:27,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 14:07:27,068 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 123
[2020-07-20 14:07:27,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:27,072 INFO  L225             Difference]: With dead ends: 629
[2020-07-20 14:07:27,072 INFO  L226             Difference]: Without dead ends: 318
[2020-07-20 14:07:27,074 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 14:07:27,075 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2020-07-20 14:07:27,094 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 308.
[2020-07-20 14:07:27,095 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 308 states.
[2020-07-20 14:07:27,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 435 transitions.
[2020-07-20 14:07:27,097 INFO  L78                 Accepts]: Start accepts. Automaton has 308 states and 435 transitions. Word has length 123
[2020-07-20 14:07:27,097 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:27,097 INFO  L479      AbstractCegarLoop]: Abstraction has 308 states and 435 transitions.
[2020-07-20 14:07:27,098 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 14:07:27,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 308 states and 435 transitions.
[2020-07-20 14:07:27,099 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 131
[2020-07-20 14:07:27,100 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:27,100 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:07:27,314 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:27,315 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:27,317 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:27,317 INFO  L82        PathProgramCache]: Analyzing trace with hash 1627613886, now seen corresponding path program 1 times
[2020-07-20 14:07:27,318 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:27,318 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709151460]
[2020-07-20 14:07:27,318 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 14:07:27,421 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:27,422 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:27,424 INFO  L263         TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:07:27,427 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:27,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:07:27,469 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:07:27,470 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709151460]
[2020-07-20 14:07:27,470 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:07:27,470 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 14:07:27,471 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006870027]
[2020-07-20 14:07:27,471 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 14:07:27,472 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:27,472 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 14:07:27,472 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:07:27,472 INFO  L87              Difference]: Start difference. First operand 308 states and 435 transitions. Second operand 5 states.
[2020-07-20 14:07:28,361 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:28,361 INFO  L93              Difference]: Finished difference Result 923 states and 1328 transitions.
[2020-07-20 14:07:28,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 14:07:28,361 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 130
[2020-07-20 14:07:28,362 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:28,366 INFO  L225             Difference]: With dead ends: 923
[2020-07-20 14:07:28,366 INFO  L226             Difference]: Without dead ends: 621
[2020-07-20 14:07:28,368 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-20 14:07:28,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 621 states.
[2020-07-20 14:07:28,404 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 605.
[2020-07-20 14:07:28,404 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 605 states.
[2020-07-20 14:07:28,407 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 764 transitions.
[2020-07-20 14:07:28,408 INFO  L78                 Accepts]: Start accepts. Automaton has 605 states and 764 transitions. Word has length 130
[2020-07-20 14:07:28,408 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:28,408 INFO  L479      AbstractCegarLoop]: Abstraction has 605 states and 764 transitions.
[2020-07-20 14:07:28,408 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 14:07:28,409 INFO  L276                IsEmpty]: Start isEmpty. Operand 605 states and 764 transitions.
[2020-07-20 14:07:28,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2020-07-20 14:07:28,411 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:28,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:28,624 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:28,625 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:28,626 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:28,626 INFO  L82        PathProgramCache]: Analyzing trace with hash 1828098358, now seen corresponding path program 1 times
[2020-07-20 14:07:28,627 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:28,627 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558089224]
[2020-07-20 14:07:28,628 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 14:07:28,728 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:28,728 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:28,731 INFO  L263         TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 14:07:28,734 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:28,810 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:07:28,810 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:07:28,810 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558089224]
[2020-07-20 14:07:28,811 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:07:28,811 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 14:07:28,813 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117295209]
[2020-07-20 14:07:28,838 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 14:07:28,838 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:28,839 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 14:07:28,839 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:07:28,839 INFO  L87              Difference]: Start difference. First operand 605 states and 764 transitions. Second operand 5 states.
[2020-07-20 14:07:29,695 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:29,696 INFO  L93              Difference]: Finished difference Result 1682 states and 2209 transitions.
[2020-07-20 14:07:29,697 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 14:07:29,697 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 134
[2020-07-20 14:07:29,698 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:29,704 INFO  L225             Difference]: With dead ends: 1682
[2020-07-20 14:07:29,704 INFO  L226             Difference]: Without dead ends: 1083
[2020-07-20 14:07:29,706 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-07-20 14:07:29,707 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1083 states.
[2020-07-20 14:07:29,747 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 919.
[2020-07-20 14:07:29,748 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 919 states.
[2020-07-20 14:07:29,752 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1162 transitions.
[2020-07-20 14:07:29,753 INFO  L78                 Accepts]: Start accepts. Automaton has 919 states and 1162 transitions. Word has length 134
[2020-07-20 14:07:29,753 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:29,753 INFO  L479      AbstractCegarLoop]: Abstraction has 919 states and 1162 transitions.
[2020-07-20 14:07:29,754 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 14:07:29,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 919 states and 1162 transitions.
[2020-07-20 14:07:29,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2020-07-20 14:07:29,757 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:29,757 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:29,971 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:29,972 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:29,973 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:29,973 INFO  L82        PathProgramCache]: Analyzing trace with hash -586371217, now seen corresponding path program 1 times
[2020-07-20 14:07:29,974 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:29,974 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540069735]
[2020-07-20 14:07:29,975 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 14:07:30,071 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:30,072 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:30,074 INFO  L263         TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:07:30,077 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:30,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:07:30,138 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:07:30,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:07:30,228 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540069735]
[2020-07-20 14:07:30,229 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 14:07:30,229 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 14:07:30,229 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853340767]
[2020-07-20 14:07:30,230 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 14:07:30,230 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:30,230 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 14:07:30,230 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 14:07:30,231 INFO  L87              Difference]: Start difference. First operand 919 states and 1162 transitions. Second operand 6 states.
[2020-07-20 14:07:31,030 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:31,031 INFO  L93              Difference]: Finished difference Result 1994 states and 2547 transitions.
[2020-07-20 14:07:31,031 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 14:07:31,032 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 139
[2020-07-20 14:07:31,032 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:31,038 INFO  L225             Difference]: With dead ends: 1994
[2020-07-20 14:07:31,038 INFO  L226             Difference]: Without dead ends: 1081
[2020-07-20 14:07:31,041 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 272 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-20 14:07:31,043 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1081 states.
[2020-07-20 14:07:31,073 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1075.
[2020-07-20 14:07:31,073 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1075 states.
[2020-07-20 14:07:31,079 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1322 transitions.
[2020-07-20 14:07:31,080 INFO  L78                 Accepts]: Start accepts. Automaton has 1075 states and 1322 transitions. Word has length 139
[2020-07-20 14:07:31,080 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:31,080 INFO  L479      AbstractCegarLoop]: Abstraction has 1075 states and 1322 transitions.
[2020-07-20 14:07:31,081 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 14:07:31,081 INFO  L276                IsEmpty]: Start isEmpty. Operand 1075 states and 1322 transitions.
[2020-07-20 14:07:31,084 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-07-20 14:07:31,084 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:31,085 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:07:31,298 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:31,299 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:31,299 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:31,299 INFO  L82        PathProgramCache]: Analyzing trace with hash 897370087, now seen corresponding path program 1 times
[2020-07-20 14:07:31,300 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:31,300 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468100829]
[2020-07-20 14:07:31,300 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 14:07:31,407 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:31,407 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:31,409 INFO  L263         TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:07:31,412 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:31,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-07-20 14:07:31,494 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:07:31,494 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468100829]
[2020-07-20 14:07:31,495 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:07:31,495 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:07:31,495 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365418008]
[2020-07-20 14:07:31,496 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:07:31,497 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:31,497 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:07:31,498 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:07:31,499 INFO  L87              Difference]: Start difference. First operand 1075 states and 1322 transitions. Second operand 3 states.
[2020-07-20 14:07:32,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:32,066 INFO  L93              Difference]: Finished difference Result 2588 states and 3274 transitions.
[2020-07-20 14:07:32,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:07:32,067 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 143
[2020-07-20 14:07:32,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:32,075 INFO  L225             Difference]: With dead ends: 2588
[2020-07-20 14:07:32,075 INFO  L226             Difference]: Without dead ends: 1219
[2020-07-20 14:07:32,079 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 14:07:32,081 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1219 states.
[2020-07-20 14:07:32,113 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1073.
[2020-07-20 14:07:32,113 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1073 states.
[2020-07-20 14:07:32,119 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1227 transitions.
[2020-07-20 14:07:32,119 INFO  L78                 Accepts]: Start accepts. Automaton has 1073 states and 1227 transitions. Word has length 143
[2020-07-20 14:07:32,120 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:32,120 INFO  L479      AbstractCegarLoop]: Abstraction has 1073 states and 1227 transitions.
[2020-07-20 14:07:32,121 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:07:32,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 1073 states and 1227 transitions.
[2020-07-20 14:07:32,126 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-07-20 14:07:32,126 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:32,126 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:07:32,339 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:32,340 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:32,340 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:32,340 INFO  L82        PathProgramCache]: Analyzing trace with hash -1617922124, now seen corresponding path program 1 times
[2020-07-20 14:07:32,341 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:32,341 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805915494]
[2020-07-20 14:07:32,341 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 14:07:32,500 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:32,500 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:32,502 INFO  L263         TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:07:32,506 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:32,600 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2020-07-20 14:07:32,601 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 14:07:32,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2020-07-20 14:07:32,708 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805915494]
[2020-07-20 14:07:32,709 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 14:07:32,709 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 14:07:32,709 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083599174]
[2020-07-20 14:07:32,710 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 14:07:32,710 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:32,710 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 14:07:32,711 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-20 14:07:32,711 INFO  L87              Difference]: Start difference. First operand 1073 states and 1227 transitions. Second operand 7 states.
[2020-07-20 14:07:33,565 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:33,565 INFO  L93              Difference]: Finished difference Result 2444 states and 2851 transitions.
[2020-07-20 14:07:33,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 14:07:33,568 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 200
[2020-07-20 14:07:33,569 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:33,578 INFO  L225             Difference]: With dead ends: 2444
[2020-07-20 14:07:33,579 INFO  L226             Difference]: Without dead ends: 1377
[2020-07-20 14:07:33,582 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2020-07-20 14:07:33,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1377 states.
[2020-07-20 14:07:33,634 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1367.
[2020-07-20 14:07:33,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1367 states.
[2020-07-20 14:07:33,642 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1576 transitions.
[2020-07-20 14:07:33,643 INFO  L78                 Accepts]: Start accepts. Automaton has 1367 states and 1576 transitions. Word has length 200
[2020-07-20 14:07:33,643 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:33,643 INFO  L479      AbstractCegarLoop]: Abstraction has 1367 states and 1576 transitions.
[2020-07-20 14:07:33,643 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 14:07:33,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 1367 states and 1576 transitions.
[2020-07-20 14:07:33,649 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2020-07-20 14:07:33,649 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 14:07:33,649 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:07:33,862 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:33,863 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:07:33,863 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:07:33,863 INFO  L82        PathProgramCache]: Analyzing trace with hash 1965496510, now seen corresponding path program 1 times
[2020-07-20 14:07:33,864 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:07:33,864 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007430544]
[2020-07-20 14:07:33,865 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 14:07:33,986 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:07:33,986 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:07:33,988 INFO  L263         TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:07:33,993 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:07:34,074 INFO  L134       CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.
[2020-07-20 14:07:34,074 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:07:34,075 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007430544]
[2020-07-20 14:07:34,075 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:07:34,075 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:07:34,075 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464989372]
[2020-07-20 14:07:34,076 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:07:34,076 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:07:34,076 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:07:34,077 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:07:34,077 INFO  L87              Difference]: Start difference. First operand 1367 states and 1576 transitions. Second operand 3 states.
[2020-07-20 14:07:34,574 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:07:34,574 INFO  L93              Difference]: Finished difference Result 2727 states and 3154 transitions.
[2020-07-20 14:07:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 14:07:34,577 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 214
[2020-07-20 14:07:34,578 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:07:34,578 INFO  L225             Difference]: With dead ends: 2727
[2020-07-20 14:07:34,578 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 14:07:34,587 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 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 14:07:34,587 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 14:07:34,589 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 14:07:34,592 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 14:07:34,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 14:07:34,593 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214
[2020-07-20 14:07:34,593 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:07:34,593 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 14:07:34,593 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:07:34,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 14:07:34,593 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 14:07:34,807 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:07:34,812 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 14:07:35,581 WARN  L193               SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49
[2020-07-20 14:07:35,719 WARN  L193               SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31
[2020-07-20 14:07:35,840 WARN  L193               SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31
[2020-07-20 14:07:35,844 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 14:07:35,844 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|))
[2020-07-20 14:07:35,844 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 14:07:35,844 INFO  L268        CegarLoopResult]: For program point  L564-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L531-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L498-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L465-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L432-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L69(lines 69 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L565(line 565)  no Hoare annotation was computed.
[2020-07-20 14:07:35,845 INFO  L268        CegarLoopResult]: For program point  L532(line 532)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L499(line 499)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L466(line 466)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L433(line 433)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L202(lines 202 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L169(lines 169 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L368(lines 368 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 14:07:35,846 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 14:07:35,847 INFO  L268        CegarLoopResult]: For program point  L38(lines 38 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,847 INFO  L268        CegarLoopResult]: For program point  L567-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,847 INFO  L268        CegarLoopResult]: For program point  L534-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,847 INFO  L268        CegarLoopResult]: For program point  L501-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,847 INFO  L268        CegarLoopResult]: For program point  L468-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,847 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L435-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L237(lines 237 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L568(line 568)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L535(line 535)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L502(line 502)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L469(line 469)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L436(line 436)  no Hoare annotation was computed.
[2020-07-20 14:07:35,848 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L238(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L238-2(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L139(lines 139 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L106(lines 106 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L404(lines 404 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L338(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L338-2(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 14:07:35,849 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,850 INFO  L268        CegarLoopResult]: For program point  L570-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,850 INFO  L268        CegarLoopResult]: For program point  L537-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,850 INFO  L268        CegarLoopResult]: For program point  L504-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,850 INFO  L268        CegarLoopResult]: For program point  L471-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,850 INFO  L268        CegarLoopResult]: For program point  L438-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,850 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 478)  no Hoare annotation was computed.
[2020-07-20 14:07:35,850 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L42(lines 42 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L75-2(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L571(line 571)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L538(line 538)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L505(line 505)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L472(line 472)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L439(line 439)  no Hoare annotation was computed.
[2020-07-20 14:07:35,851 INFO  L268        CegarLoopResult]: For program point  L175(lines 175 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L407(lines 407 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L143(lines 143 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L573-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L540-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L507-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L474-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L441-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,852 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L309(lines 309 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L276(lines 276 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L574(line 574)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L541(line 541)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L508(line 508)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L475(line 475)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L442(line 442)  no Hoare annotation was computed.
[2020-07-20 14:07:35,853 INFO  L268        CegarLoopResult]: For program point  L409(lines 409 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L212(lines 212 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L179(lines 179 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L113(lines 113 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L47(lines 47 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L576-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L543-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L510-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,854 INFO  L268        CegarLoopResult]: For program point  L477-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L444-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L577(line 577)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L544(line 544)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L511(line 511)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L478(line 478)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L445(line 445)  no Hoare annotation was computed.
[2020-07-20 14:07:35,855 INFO  L268        CegarLoopResult]: For program point  L280(lines 280 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L148(lines 148 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L82(lines 82 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L380(lines 380 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L314(lines 314 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L248(lines 248 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L83(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 14:07:35,856 INFO  L268        CegarLoopResult]: For program point  L50(lines 50 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L83-2(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L579-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L546-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L513-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L480-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 416)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L447-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L381(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 14:07:35,857 INFO  L268        CegarLoopResult]: For program point  L414-2(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  L315(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  L381-2(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  L315-2(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  L580(line 580)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  L547(line 547)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  L514(line 514)  no Hoare annotation was computed.
[2020-07-20 14:07:35,858 INFO  L268        CegarLoopResult]: For program point  L481(line 481)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L448(line 448)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L415(line 415)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L349(lines 349 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L185(lines 185 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,859 INFO  L268        CegarLoopResult]: For program point  L582-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L549-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L516-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L483-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L450-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L417-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L54(lines 54 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L583(line 583)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L550(line 550)  no Hoare annotation was computed.
[2020-07-20 14:07:35,860 INFO  L268        CegarLoopResult]: For program point  L517(line 517)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L484(line 484)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L451(line 451)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L418(line 418)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L253(lines 253 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L187(lines 187 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L154(lines 154 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L585-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,861 INFO  L268        CegarLoopResult]: For program point  L552-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L519-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L486-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L453-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L420-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L586(line 586)  no Hoare annotation was computed.
[2020-07-20 14:07:35,862 INFO  L268        CegarLoopResult]: For program point  L553(line 553)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L520(line 520)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L487(line 487)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L454(line 454)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L421(line 421)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L91(lines 91 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L389(lines 389 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,863 INFO  L268        CegarLoopResult]: For program point  L191(lines 191 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,864 INFO  L268        CegarLoopResult]: For program point  L59(lines 59 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,864 INFO  L268        CegarLoopResult]: For program point  L588-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,864 INFO  L268        CegarLoopResult]: For program point  L555-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,864 INFO  L268        CegarLoopResult]: For program point  L522-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,864 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 29 598)  the Hoare annotation is:  (let ((.cse4 (not (= 1 |old(~a19~0)|))) (.cse1 (<= 8 ~a17~0)) (.cse9 (<= ~a17~0 8)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse5 (not (<= |old(~a28~0)| 7))) (.cse7 (<= ~a28~0 |old(~a28~0)|)) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse11 (not (<= 10 |old(~a28~0)|))) (.cse10 (<= 10 ~a28~0)) (.cse3 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (and .cse6 .cse7 .cse8)) (or .cse4 .cse2 (and .cse7 .cse9 .cse1 .cse10 .cse8) .cse11 .cse3) (or (not (<= |old(~a28~0)| 8)) .cse2 (and .cse9 (<= ~a28~0 8) .cse8) .cse3) (or .cse0 (not (<= 9 |old(~a28~0)|)) (and .cse6 .cse7 .cse8 (<= 9 ~a28~0)) .cse3) (or .cse5 .cse7 .cse2 .cse3) (or .cse0 .cse11 .cse10 .cse3)))
[2020-07-20 14:07:35,864 INFO  L268        CegarLoopResult]: For program point  L489-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L456-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L423-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L159(lines 159 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L589(line 589)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L556(line 556)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L523(line 523)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L490(line 490)  no Hoare annotation was computed.
[2020-07-20 14:07:35,865 INFO  L268        CegarLoopResult]: For program point  L457(line 457)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L424(line 424)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L259(lines 259 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L293(lines 293 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L95(lines 95 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L591-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L558-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L525-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,866 INFO  L268        CegarLoopResult]: For program point  L492-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L459-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L426-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L30(lines 30 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L592(line 592)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L559(line 559)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L526(line 526)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L493(line 493)  no Hoare annotation was computed.
[2020-07-20 14:07:35,867 INFO  L268        CegarLoopResult]: For program point  L460(line 460)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L427(line 427)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L328(lines 328 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L262(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L262-2(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L594-1(lines 594 596)  no Hoare annotation was computed.
[2020-07-20 14:07:35,868 INFO  L268        CegarLoopResult]: For program point  L561-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L528-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L495-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L462-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L429-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L297(lines 297 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L198(lines 198 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L99(lines 99 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,869 INFO  L268        CegarLoopResult]: For program point  L595(line 595)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L562(line 562)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L529(line 529)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L496(line 496)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L463(line 463)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L430(line 430)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L331(lines 331 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L298(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L232(lines 232 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L298-2(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 14:07:35,870 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,871 INFO  L268        CegarLoopResult]: For program point  L332(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 14:07:35,871 INFO  L268        CegarLoopResult]: For program point  L332-2(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 14:07:35,871 INFO  L268        CegarLoopResult]: For program point  L134(lines 134 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,871 INFO  L268        CegarLoopResult]: For program point  L35(lines 35 413)  no Hoare annotation was computed.
[2020-07-20 14:07:35,871 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 14:07:35,871 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7))
[2020-07-20 14:07:35,871 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 14:07:35,871 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 14:07:35,872 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 600 617)  the Hoare annotation is:  (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a17~0)| 8)))
[2020-07-20 14:07:35,872 INFO  L264        CegarLoopResult]: At program point  L606-2(lines 606 616)  the Hoare annotation is:  (let ((.cse2 (<= 8 ~a17~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 (<= ~a28~0 8)) (not (<= |old(~a28~0)| 7)) (and .cse1 (<= ~a28~0 10) (<= 9 ~a28~0)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 (<= ~a28~0 7)) (not (<= |old(~a17~0)| 8))))
[2020-07-20 14:07:35,872 INFO  L268        CegarLoopResult]: For program point  L606-3(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 14:07:35,872 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 14:07:35,872 INFO  L264        CegarLoopResult]: At program point  L614(line 614)  the Hoare annotation is:  (let ((.cse2 (<= 8 ~a17~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 (<= ~a28~0 8)) (not (<= |old(~a28~0)| 7)) (and .cse1 (<= ~a28~0 10) (<= 9 ~a28~0)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 (<= ~a28~0 7)) (not (<= |old(~a17~0)| 8))))
[2020-07-20 14:07:35,872 INFO  L268        CegarLoopResult]: For program point  L614-1(line 614)  no Hoare annotation was computed.
[2020-07-20 14:07:35,873 INFO  L268        CegarLoopResult]: For program point  L611(line 611)  no Hoare annotation was computed.
[2020-07-20 14:07:35,894 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:07:35 BoogieIcfgContainer
[2020-07-20 14:07:35,894 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 14:07:35,896 INFO  L168              Benchmark]: Toolchain (without parser) took 13611.03 ms. Allocated memory was 137.9 MB in the beginning and 419.4 MB in the end (delta: 281.5 MB). Free memory was 101.8 MB in the beginning and 344.5 MB in the end (delta: -242.7 MB). Peak memory consumption was 252.0 MB. Max. memory is 7.1 GB.
[2020-07-20 14:07:35,897 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-20 14:07:35,898 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 829.20 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 101.3 MB in the beginning and 171.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB.
[2020-07-20 14:07:35,899 INFO  L168              Benchmark]: Boogie Preprocessor took 152.50 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
[2020-07-20 14:07:35,900 INFO  L168              Benchmark]: RCFGBuilder took 1280.77 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.5 MB in the beginning and 181.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
[2020-07-20 14:07:35,901 INFO  L168              Benchmark]: TraceAbstraction took 11337.83 ms. Allocated memory was 235.9 MB in the beginning and 419.4 MB in the end (delta: 183.5 MB). Free memory was 181.5 MB in the beginning and 344.5 MB in the end (delta: -163.0 MB). Peak memory consumption was 233.7 MB. Max. memory is 7.1 GB.
[2020-07-20 14:07:35,905 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 829.20 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 101.3 MB in the beginning and 171.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 152.50 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1280.77 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.5 MB in the beginning and 181.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 11337.83 ms. Allocated memory was 235.9 MB in the beginning and 419.4 MB in the end (delta: 183.5 MB). Free memory was 181.5 MB in the beginning and 344.5 MB in the end (delta: -163.0 MB). Peak memory consumption was 233.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 478]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 606]: Loop Invariant
    Derived loop invariant: ((((((!(1 == \old(a19)) || ((1 == a19 && a17 <= 8) && 8 <= a17)) || ((a17 <= 8 && 8 <= a17) && a28 <= 8)) || !(\old(a28) <= 7)) || ((a17 <= 8 && a28 <= 10) && 9 <= a28)) || !(8 <= \old(a17))) || ((1 == a19 && a17 <= 8) && a28 <= 7)) || !(\old(a17) <= 8)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 660 SDtfs, 3089 SDslu, 303 SDs, 0 SdLazy, 3945 SolverSat, 794 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1537 GetRequests, 1501 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1367occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 352 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 55 PreInvPairs, 77 NumberOfFragments, 322 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1782 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 976 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1191 NumberOfCodeBlocks, 1191 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1520 ConstructedInterpolants, 0 QuantifiedInterpolants, 427662 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3081 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 656/664 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...