/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 17:27:13,957 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 17:27:13,960 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 17:27:13,979 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 17:27:13,980 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 17:27:13,982 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 17:27:13,984 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-07-20 17:27:14,008 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-07-20 17:27:14,011 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 17:27:14,012 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 17:27:14,015 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 17:27:14,016 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 17:27:14,018 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 17:27:14,020 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 17:27:14,022 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 17:27:14,023 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 17:27:14,024 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 17:27:14,025 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 17:27:14,027 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 17:27:14,027 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 17:27:14,028 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-07-20 17:27:14,029 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-07-20 17:27:14,034 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 17:27:14,035 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-07-20 17:27:14,035 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 17:27:14,037 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 17:27:14,038 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 17:27:14,053 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 17:27:14,053 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 17:27:14,054 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 17:27:14,055 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 17:27:14,055 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 17:27:14,055 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 17:27:14,055 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 17:27:14,056 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 17:27:14,056 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 17:27:14,056 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 17:27:14,056 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 17:27:14,056 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 17:27:14,056 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 17:27:14,057 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 17:27:14,057 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 17:27:14,057 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 17:27:14,057 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 17:27:14,057 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 17:27:14,058 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 17:27:14,058 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 17:27:14,058 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 17:27:14,058 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:27:14,059 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 17:27:14,059 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 17:27:14,059 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 17:27:14,059 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 17:27:14,059 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:14,060 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 17:27:14,060 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 17:27:14,060 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 17:27:14,362 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 17:27:14,381 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 17:27:14,387 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 17:27:14,388 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 17:27:14,389 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 17:27:14,391 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c
[2020-07-20 17:27:14,473 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a423a30/aa967be5d020425aba2608c03efb8e37/FLAGd39359784
[2020-07-20 17:27:15,022 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 17:27:15,023 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label22.c
[2020-07-20 17:27:15,046 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a423a30/aa967be5d020425aba2608c03efb8e37/FLAGd39359784
[2020-07-20 17:27:15,289 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a423a30/aa967be5d020425aba2608c03efb8e37
[2020-07-20 17:27:15,297 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 17:27:15,300 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 17:27:15,301 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 17:27:15,302 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 17:27:15,305 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 17:27:15,306 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:15" (1/1) ...
[2020-07-20 17:27:15,309 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79435af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:15, skipping insertion in model container
[2020-07-20 17:27:15,309 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:15" (1/1) ...
[2020-07-20 17:27:15,317 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 17:27:15,380 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 17:27:15,827 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:27:15,833 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 17:27:16,064 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:27:16,087 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 17:27:16,088 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16 WrapperNode
[2020-07-20 17:27:16,088 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 17:27:16,088 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 17:27:16,089 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 17:27:16,089 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 17:27:16,105 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
[2020-07-20 17:27:16,105 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
[2020-07-20 17:27:16,124 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
[2020-07-20 17:27:16,124 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
[2020-07-20 17:27:16,162 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
[2020-07-20 17:27:16,179 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
[2020-07-20 17:27:16,184 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
[2020-07-20 17:27:16,193 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 17:27:16,193 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 17:27:16,193 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 17:27:16,194 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 17:27:16,195 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:27:16,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 17:27:16,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 17:27:16,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 17:27:16,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 17:27:16,278 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 17:27:16,278 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 17:27:16,278 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 17:27:16,278 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 17:27:16,279 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 17:27:16,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 17:27:16,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 17:27:17,470 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 17:27:17,471 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 17:27:17,481 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:27:17 BoogieIcfgContainer
[2020-07-20 17:27:17,481 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 17:27:17,486 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 17:27:17,487 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 17:27:17,490 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 17:27:17,491 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:27:15" (1/3) ...
[2020-07-20 17:27:17,492 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5715e877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:27:17, skipping insertion in model container
[2020-07-20 17:27:17,492 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:16" (2/3) ...
[2020-07-20 17:27:17,493 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5715e877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:27:17, skipping insertion in model container
[2020-07-20 17:27:17,493 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:27:17" (3/3) ...
[2020-07-20 17:27:17,497 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem02_label22.c
[2020-07-20 17:27:17,510 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 17:27:17,522 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 17:27:17,538 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 17:27:17,570 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 17:27:17,570 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 17:27:17,570 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 17:27:17,571 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 17:27:17,571 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 17:27:17,571 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 17:27:17,571 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 17:27:17,572 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 17:27:17,599 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states.
[2020-07-20 17:27:17,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2020-07-20 17:27:17,622 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:27:17,623 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]
[2020-07-20 17:27:17,624 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:27:17,630 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:27:17,630 INFO  L82        PathProgramCache]: Analyzing trace with hash -1125290487, now seen corresponding path program 1 times
[2020-07-20 17:27:17,640 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:27:17,640 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447314355]
[2020-07-20 17:27:17,641 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:17,831 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:27:17,831 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:27:17,834 INFO  L263         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 17:27:17,844 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:27:17,934 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:27:17,935 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:27:17,936 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447314355]
[2020-07-20 17:27:17,937 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:27:17,937 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:27:17,938 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500806176]
[2020-07-20 17:27:17,943 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:27:17,944 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:27:17,958 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:27:17,959 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:17,961 INFO  L87              Difference]: Start difference. First operand 236 states. Second operand 3 states.
[2020-07-20 17:27:18,979 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:27:18,980 INFO  L93              Difference]: Finished difference Result 615 states and 1053 transitions.
[2020-07-20 17:27:18,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:27:18,982 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 103
[2020-07-20 17:27:18,983 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:27:19,007 INFO  L225             Difference]: With dead ends: 615
[2020-07-20 17:27:19,010 INFO  L226             Difference]: Without dead ends: 317
[2020-07-20 17:27:19,022 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:19,046 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 317 states.
[2020-07-20 17:27:19,115 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317.
[2020-07-20 17:27:19,116 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 317 states.
[2020-07-20 17:27:19,120 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions.
[2020-07-20 17:27:19,122 INFO  L78                 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 103
[2020-07-20 17:27:19,123 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:27:19,123 INFO  L479      AbstractCegarLoop]: Abstraction has 317 states and 478 transitions.
[2020-07-20 17:27:19,123 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:27:19,123 INFO  L276                IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions.
[2020-07-20 17:27:19,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2020-07-20 17:27:19,129 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:27:19,129 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]
[2020-07-20 17:27:19,343 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:19,343 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:27:19,344 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:27:19,344 INFO  L82        PathProgramCache]: Analyzing trace with hash 1652959172, now seen corresponding path program 1 times
[2020-07-20 17:27:19,345 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:27:19,345 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287701817]
[2020-07-20 17:27:19,346 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:19,446 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:27:19,446 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:27:19,448 INFO  L263         TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:27:19,453 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:27:19,514 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 17:27:19,514 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:27:19,515 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287701817]
[2020-07-20 17:27:19,516 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:27:19,516 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:27:19,516 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420319906]
[2020-07-20 17:27:19,518 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:27:19,518 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:27:19,518 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:27:19,519 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:19,519 INFO  L87              Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states.
[2020-07-20 17:27:20,118 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:27:20,119 INFO  L93              Difference]: Finished difference Result 919 states and 1406 transitions.
[2020-07-20 17:27:20,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:27:20,122 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 118
[2020-07-20 17:27:20,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:27:20,136 INFO  L225             Difference]: With dead ends: 919
[2020-07-20 17:27:20,137 INFO  L226             Difference]: Without dead ends: 608
[2020-07-20 17:27:20,141 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:20,143 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 608 states.
[2020-07-20 17:27:20,195 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462.
[2020-07-20 17:27:20,195 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 462 states.
[2020-07-20 17:27:20,198 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions.
[2020-07-20 17:27:20,198 INFO  L78                 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 118
[2020-07-20 17:27:20,199 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:27:20,199 INFO  L479      AbstractCegarLoop]: Abstraction has 462 states and 642 transitions.
[2020-07-20 17:27:20,199 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:27:20,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions.
[2020-07-20 17:27:20,204 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2020-07-20 17:27:20,204 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:27:20,205 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]
[2020-07-20 17:27:20,417 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:20,418 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:27:20,419 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:27:20,419 INFO  L82        PathProgramCache]: Analyzing trace with hash 553113585, now seen corresponding path program 1 times
[2020-07-20 17:27:20,420 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:27:20,420 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769993072]
[2020-07-20 17:27:20,421 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:20,513 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:27:20,514 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:27:20,515 INFO  L263         TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:27:20,520 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:27:20,577 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 17:27:20,577 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:27:20,577 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769993072]
[2020-07-20 17:27:20,578 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:27:20,578 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:27:20,578 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487459107]
[2020-07-20 17:27:20,579 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:27:20,579 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:27:20,579 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:27:20,579 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:20,580 INFO  L87              Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 3 states.
[2020-07-20 17:27:21,201 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:27:21,202 INFO  L93              Difference]: Finished difference Result 1209 states and 1740 transitions.
[2020-07-20 17:27:21,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:27:21,207 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 125
[2020-07-20 17:27:21,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:27:21,214 INFO  L225             Difference]: With dead ends: 1209
[2020-07-20 17:27:21,215 INFO  L226             Difference]: Without dead ends: 753
[2020-07-20 17:27:21,216 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:21,218 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 753 states.
[2020-07-20 17:27:21,247 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 609.
[2020-07-20 17:27:21,248 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 609 states.
[2020-07-20 17:27:21,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 820 transitions.
[2020-07-20 17:27:21,257 INFO  L78                 Accepts]: Start accepts. Automaton has 609 states and 820 transitions. Word has length 125
[2020-07-20 17:27:21,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:27:21,259 INFO  L479      AbstractCegarLoop]: Abstraction has 609 states and 820 transitions.
[2020-07-20 17:27:21,259 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:27:21,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 609 states and 820 transitions.
[2020-07-20 17:27:21,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-20 17:27:21,268 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:27:21,268 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]
[2020-07-20 17:27:21,469 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:21,470 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:27:21,471 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:27:21,471 INFO  L82        PathProgramCache]: Analyzing trace with hash 299140729, now seen corresponding path program 1 times
[2020-07-20 17:27:21,472 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:27:21,472 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941853749]
[2020-07-20 17:27:21,473 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:21,587 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:27:21,587 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:27:21,588 INFO  L263         TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:27:21,597 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:27:21,662 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 17:27:21,665 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:27:21,666 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941853749]
[2020-07-20 17:27:21,666 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:27:21,666 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:27:21,666 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634887370]
[2020-07-20 17:27:21,667 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:27:21,667 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:27:21,667 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:27:21,668 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:21,668 INFO  L87              Difference]: Start difference. First operand 609 states and 820 transitions. Second operand 3 states.
[2020-07-20 17:27:22,346 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:27:22,346 INFO  L93              Difference]: Finished difference Result 1505 states and 2105 transitions.
[2020-07-20 17:27:22,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:27:22,352 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 129
[2020-07-20 17:27:22,353 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:27:22,358 INFO  L225             Difference]: With dead ends: 1505
[2020-07-20 17:27:22,359 INFO  L226             Difference]: Without dead ends: 902
[2020-07-20 17:27:22,361 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:22,362 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 902 states.
[2020-07-20 17:27:22,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 756.
[2020-07-20 17:27:22,384 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 756 states.
[2020-07-20 17:27:22,388 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 988 transitions.
[2020-07-20 17:27:22,388 INFO  L78                 Accepts]: Start accepts. Automaton has 756 states and 988 transitions. Word has length 129
[2020-07-20 17:27:22,389 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:27:22,389 INFO  L479      AbstractCegarLoop]: Abstraction has 756 states and 988 transitions.
[2020-07-20 17:27:22,389 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:27:22,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 756 states and 988 transitions.
[2020-07-20 17:27:22,392 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-07-20 17:27:22,392 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:27:22,393 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:27:22,606 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:22,607 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:27:22,607 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:27:22,607 INFO  L82        PathProgramCache]: Analyzing trace with hash 434774726, now seen corresponding path program 1 times
[2020-07-20 17:27:22,608 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:27:22,608 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054134340]
[2020-07-20 17:27:22,608 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:22,781 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:27:22,781 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:27:22,783 INFO  L263         TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:27:22,796 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:27:22,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:27:22,854 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:27:23,020 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:27:23,021 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054134340]
[2020-07-20 17:27:23,021 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 17:27:23,021 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 17:27:23,022 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887772971]
[2020-07-20 17:27:23,022 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 17:27:23,023 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:27:23,023 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 17:27:23,023 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-20 17:27:23,023 INFO  L87              Difference]: Start difference. First operand 756 states and 988 transitions. Second operand 7 states.
[2020-07-20 17:27:24,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:27:24,080 INFO  L93              Difference]: Finished difference Result 1824 states and 2492 transitions.
[2020-07-20 17:27:24,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 17:27:24,082 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 154
[2020-07-20 17:27:24,082 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:27:24,089 INFO  L225             Difference]: With dead ends: 1824
[2020-07-20 17:27:24,090 INFO  L226             Difference]: Without dead ends: 1074
[2020-07-20 17:27:24,093 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 302 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 17:27:24,095 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1074 states.
[2020-07-20 17:27:24,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1064.
[2020-07-20 17:27:24,144 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1064 states.
[2020-07-20 17:27:24,150 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1394 transitions.
[2020-07-20 17:27:24,150 INFO  L78                 Accepts]: Start accepts. Automaton has 1064 states and 1394 transitions. Word has length 154
[2020-07-20 17:27:24,150 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:27:24,151 INFO  L479      AbstractCegarLoop]: Abstraction has 1064 states and 1394 transitions.
[2020-07-20 17:27:24,151 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 17:27:24,151 INFO  L276                IsEmpty]: Start isEmpty. Operand 1064 states and 1394 transitions.
[2020-07-20 17:27:24,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-07-20 17:27:24,162 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:27:24,162 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:27:24,376 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:24,377 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:27:24,377 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:27:24,379 INFO  L82        PathProgramCache]: Analyzing trace with hash -144950901, now seen corresponding path program 1 times
[2020-07-20 17:27:24,379 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:27:24,380 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881348954]
[2020-07-20 17:27:24,380 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:24,550 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:27:24,550 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:27:24,552 INFO  L263         TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:27:24,557 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:27:24,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 83 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2020-07-20 17:27:24,596 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:27:24,596 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881348954]
[2020-07-20 17:27:24,597 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:27:24,597 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:27:24,597 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805145800]
[2020-07-20 17:27:24,598 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:27:24,598 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:27:24,598 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:27:24,598 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:24,599 INFO  L87              Difference]: Start difference. First operand 1064 states and 1394 transitions. Second operand 3 states.
[2020-07-20 17:27:25,210 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:27:25,211 INFO  L93              Difference]: Finished difference Result 2123 states and 2794 transitions.
[2020-07-20 17:27:25,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:27:25,214 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 162
[2020-07-20 17:27:25,215 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:27:25,220 INFO  L225             Difference]: With dead ends: 2123
[2020-07-20 17:27:25,220 INFO  L226             Difference]: Without dead ends: 1065
[2020-07-20 17:27:25,224 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:27:25,225 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1065 states.
[2020-07-20 17:27:25,247 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 916.
[2020-07-20 17:27:25,247 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 916 states.
[2020-07-20 17:27:25,251 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1125 transitions.
[2020-07-20 17:27:25,251 INFO  L78                 Accepts]: Start accepts. Automaton has 916 states and 1125 transitions. Word has length 162
[2020-07-20 17:27:25,252 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:27:25,252 INFO  L479      AbstractCegarLoop]: Abstraction has 916 states and 1125 transitions.
[2020-07-20 17:27:25,252 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:27:25,252 INFO  L276                IsEmpty]: Start isEmpty. Operand 916 states and 1125 transitions.
[2020-07-20 17:27:25,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2020-07-20 17:27:25,256 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:27:25,257 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:27:25,470 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:25,471 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:27:25,471 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:27:25,472 INFO  L82        PathProgramCache]: Analyzing trace with hash 1780199134, now seen corresponding path program 1 times
[2020-07-20 17:27:25,472 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:27:25,473 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208306182]
[2020-07-20 17:27:25,473 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:25,580 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:27:25,580 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:27:25,582 INFO  L263         TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:27:25,585 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:27:25,658 INFO  L134       CoverageAnalysis]: Checked inductivity of 74 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:27:25,659 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:27:25,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 74 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:27:25,744 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208306182]
[2020-07-20 17:27:25,744 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 17:27:25,744 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 17:27:25,744 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767585166]
[2020-07-20 17:27:25,745 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 17:27:25,745 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:27:25,746 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 17:27:25,746 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 17:27:25,746 INFO  L87              Difference]: Start difference. First operand 916 states and 1125 transitions. Second operand 6 states.
[2020-07-20 17:27:26,282 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:27:26,282 INFO  L93              Difference]: Finished difference Result 1690 states and 2128 transitions.
[2020-07-20 17:27:26,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 17:27:26,283 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 166
[2020-07-20 17:27:26,284 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:27:26,284 INFO  L225             Difference]: With dead ends: 1690
[2020-07-20 17:27:26,284 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 17:27:26,290 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-20 17:27:26,290 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 17:27:26,290 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 17:27:26,291 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 17:27:26,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 17:27:26,291 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166
[2020-07-20 17:27:26,291 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:27:26,291 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 17:27:26,292 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 17:27:26,292 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 17:27:26,292 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 17:27:26,506 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:27:26,509 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 17:27:26,893 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40
[2020-07-20 17:27:27,005 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:27:27,005 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)|))
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L564-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L531-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L498-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L465-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L432-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L69(lines 69 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,006 INFO  L268        CegarLoopResult]: For program point  L565(line 565)  no Hoare annotation was computed.
[2020-07-20 17:27:27,007 INFO  L268        CegarLoopResult]: For program point  L532(line 532)  no Hoare annotation was computed.
[2020-07-20 17:27:27,007 INFO  L268        CegarLoopResult]: For program point  L499(line 499)  no Hoare annotation was computed.
[2020-07-20 17:27:27,007 INFO  L268        CegarLoopResult]: For program point  L466(line 466)  no Hoare annotation was computed.
[2020-07-20 17:27:27,007 INFO  L268        CegarLoopResult]: For program point  L433(line 433)  no Hoare annotation was computed.
[2020-07-20 17:27:27,007 INFO  L268        CegarLoopResult]: For program point  L202(lines 202 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,007 INFO  L268        CegarLoopResult]: For program point  L169(lines 169 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,007 INFO  L268        CegarLoopResult]: For program point  L368(lines 368 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,008 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 17:27:27,008 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 210)  no Hoare annotation was computed.
[2020-07-20 17:27:27,008 INFO  L268        CegarLoopResult]: For program point  L38(lines 38 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,008 INFO  L268        CegarLoopResult]: For program point  L567-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,008 INFO  L268        CegarLoopResult]: For program point  L534-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,008 INFO  L268        CegarLoopResult]: For program point  L501-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,008 INFO  L268        CegarLoopResult]: For program point  L468-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,009 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,009 INFO  L268        CegarLoopResult]: For program point  L435-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,009 INFO  L268        CegarLoopResult]: For program point  L237(lines 237 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,009 INFO  L268        CegarLoopResult]: For program point  L568(line 568)  no Hoare annotation was computed.
[2020-07-20 17:27:27,009 INFO  L268        CegarLoopResult]: For program point  L535(line 535)  no Hoare annotation was computed.
[2020-07-20 17:27:27,009 INFO  L268        CegarLoopResult]: For program point  L502(line 502)  no Hoare annotation was computed.
[2020-07-20 17:27:27,009 INFO  L268        CegarLoopResult]: For program point  L469(line 469)  no Hoare annotation was computed.
[2020-07-20 17:27:27,010 INFO  L268        CegarLoopResult]: For program point  L436(line 436)  no Hoare annotation was computed.
[2020-07-20 17:27:27,010 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,010 INFO  L268        CegarLoopResult]: For program point  L238(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 17:27:27,010 INFO  L268        CegarLoopResult]: For program point  L238-2(lines 238 246)  no Hoare annotation was computed.
[2020-07-20 17:27:27,010 INFO  L268        CegarLoopResult]: For program point  L139(lines 139 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,010 INFO  L268        CegarLoopResult]: For program point  L106(lines 106 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,010 INFO  L268        CegarLoopResult]: For program point  L404(lines 404 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,011 INFO  L268        CegarLoopResult]: For program point  L338(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 17:27:27,011 INFO  L268        CegarLoopResult]: For program point  L338-2(lines 338 347)  no Hoare annotation was computed.
[2020-07-20 17:27:27,011 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,011 INFO  L268        CegarLoopResult]: For program point  L570-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,011 INFO  L268        CegarLoopResult]: For program point  L537-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,011 INFO  L268        CegarLoopResult]: For program point  L504-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,011 INFO  L268        CegarLoopResult]: For program point  L471-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,012 INFO  L268        CegarLoopResult]: For program point  L438-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,012 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463)  no Hoare annotation was computed.
[2020-07-20 17:27:27,012 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 17:27:27,012 INFO  L268        CegarLoopResult]: For program point  L42(lines 42 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,012 INFO  L268        CegarLoopResult]: For program point  L75-2(lines 75 80)  no Hoare annotation was computed.
[2020-07-20 17:27:27,012 INFO  L268        CegarLoopResult]: For program point  L571(line 571)  no Hoare annotation was computed.
[2020-07-20 17:27:27,012 INFO  L268        CegarLoopResult]: For program point  L538(line 538)  no Hoare annotation was computed.
[2020-07-20 17:27:27,013 INFO  L268        CegarLoopResult]: For program point  L505(line 505)  no Hoare annotation was computed.
[2020-07-20 17:27:27,013 INFO  L268        CegarLoopResult]: For program point  L472(line 472)  no Hoare annotation was computed.
[2020-07-20 17:27:27,013 INFO  L268        CegarLoopResult]: For program point  L439(line 439)  no Hoare annotation was computed.
[2020-07-20 17:27:27,013 INFO  L268        CegarLoopResult]: For program point  L175(lines 175 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,013 INFO  L268        CegarLoopResult]: For program point  L407(lines 407 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,013 INFO  L268        CegarLoopResult]: For program point  L143(lines 143 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,013 INFO  L268        CegarLoopResult]: For program point  L573-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,014 INFO  L268        CegarLoopResult]: For program point  L540-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,014 INFO  L268        CegarLoopResult]: For program point  L507-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,014 INFO  L268        CegarLoopResult]: For program point  L474-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,014 INFO  L268        CegarLoopResult]: For program point  L441-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,014 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,014 INFO  L268        CegarLoopResult]: For program point  L309(lines 309 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,014 INFO  L268        CegarLoopResult]: For program point  L276(lines 276 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,015 INFO  L268        CegarLoopResult]: For program point  L574(line 574)  no Hoare annotation was computed.
[2020-07-20 17:27:27,015 INFO  L268        CegarLoopResult]: For program point  L541(line 541)  no Hoare annotation was computed.
[2020-07-20 17:27:27,015 INFO  L268        CegarLoopResult]: For program point  L508(line 508)  no Hoare annotation was computed.
[2020-07-20 17:27:27,015 INFO  L268        CegarLoopResult]: For program point  L475(line 475)  no Hoare annotation was computed.
[2020-07-20 17:27:27,015 INFO  L268        CegarLoopResult]: For program point  L442(line 442)  no Hoare annotation was computed.
[2020-07-20 17:27:27,015 INFO  L268        CegarLoopResult]: For program point  L409(lines 409 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,015 INFO  L268        CegarLoopResult]: For program point  L212(lines 212 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L179(lines 179 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L113(lines 113 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L47(lines 47 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L576-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L543-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L510-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L477-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,016 INFO  L268        CegarLoopResult]: For program point  L444-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,017 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,017 INFO  L268        CegarLoopResult]: For program point  L577(line 577)  no Hoare annotation was computed.
[2020-07-20 17:27:27,017 INFO  L268        CegarLoopResult]: For program point  L544(line 544)  no Hoare annotation was computed.
[2020-07-20 17:27:27,017 INFO  L268        CegarLoopResult]: For program point  L511(line 511)  no Hoare annotation was computed.
[2020-07-20 17:27:27,017 INFO  L268        CegarLoopResult]: For program point  L478(line 478)  no Hoare annotation was computed.
[2020-07-20 17:27:27,017 INFO  L268        CegarLoopResult]: For program point  L445(line 445)  no Hoare annotation was computed.
[2020-07-20 17:27:27,017 INFO  L268        CegarLoopResult]: For program point  L280(lines 280 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L148(lines 148 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L82(lines 82 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L380(lines 380 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L314(lines 314 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L248(lines 248 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L83(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 17:27:27,018 INFO  L268        CegarLoopResult]: For program point  L50(lines 50 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,019 INFO  L268        CegarLoopResult]: For program point  L83-2(lines 83 89)  no Hoare annotation was computed.
[2020-07-20 17:27:27,019 INFO  L268        CegarLoopResult]: For program point  L579-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,019 INFO  L268        CegarLoopResult]: For program point  L546-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,019 INFO  L268        CegarLoopResult]: For program point  L513-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,019 INFO  L268        CegarLoopResult]: For program point  L480-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,019 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 416)  no Hoare annotation was computed.
[2020-07-20 17:27:27,019 INFO  L268        CegarLoopResult]: For program point  L447-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  L381(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  L414-2(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  L315(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  L381-2(lines 381 387)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  L315-2(lines 315 326)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,020 INFO  L268        CegarLoopResult]: For program point  L580(line 580)  no Hoare annotation was computed.
[2020-07-20 17:27:27,021 INFO  L268        CegarLoopResult]: For program point  L547(line 547)  no Hoare annotation was computed.
[2020-07-20 17:27:27,021 INFO  L268        CegarLoopResult]: For program point  L514(line 514)  no Hoare annotation was computed.
[2020-07-20 17:27:27,021 INFO  L268        CegarLoopResult]: For program point  L481(line 481)  no Hoare annotation was computed.
[2020-07-20 17:27:27,021 INFO  L268        CegarLoopResult]: For program point  L448(line 448)  no Hoare annotation was computed.
[2020-07-20 17:27:27,021 INFO  L268        CegarLoopResult]: For program point  L415(line 415)  no Hoare annotation was computed.
[2020-07-20 17:27:27,021 INFO  L268        CegarLoopResult]: For program point  L349(lines 349 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,021 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L185(lines 185 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L582-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L549-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L516-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L483-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,022 INFO  L268        CegarLoopResult]: For program point  L450-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,023 INFO  L268        CegarLoopResult]: For program point  L417-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,023 INFO  L268        CegarLoopResult]: For program point  L54(lines 54 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,023 INFO  L268        CegarLoopResult]: For program point  L583(line 583)  no Hoare annotation was computed.
[2020-07-20 17:27:27,023 INFO  L268        CegarLoopResult]: For program point  L550(line 550)  no Hoare annotation was computed.
[2020-07-20 17:27:27,023 INFO  L268        CegarLoopResult]: For program point  L517(line 517)  no Hoare annotation was computed.
[2020-07-20 17:27:27,023 INFO  L268        CegarLoopResult]: For program point  L484(line 484)  no Hoare annotation was computed.
[2020-07-20 17:27:27,023 INFO  L268        CegarLoopResult]: For program point  L451(line 451)  no Hoare annotation was computed.
[2020-07-20 17:27:27,024 INFO  L268        CegarLoopResult]: For program point  L418(line 418)  no Hoare annotation was computed.
[2020-07-20 17:27:27,024 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,024 INFO  L268        CegarLoopResult]: For program point  L253(lines 253 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,024 INFO  L268        CegarLoopResult]: For program point  L187(lines 187 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,024 INFO  L268        CegarLoopResult]: For program point  L154(lines 154 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,024 INFO  L268        CegarLoopResult]: For program point  L585-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,024 INFO  L268        CegarLoopResult]: For program point  L552-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L519-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L486-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L453-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L420-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,025 INFO  L268        CegarLoopResult]: For program point  L586(line 586)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L553(line 553)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L520(line 520)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L487(line 487)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L454(line 454)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L421(line 421)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L91(lines 91 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,026 INFO  L268        CegarLoopResult]: For program point  L389(lines 389 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,027 INFO  L268        CegarLoopResult]: For program point  L191(lines 191 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,027 INFO  L268        CegarLoopResult]: For program point  L59(lines 59 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,027 INFO  L268        CegarLoopResult]: For program point  L588-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,027 INFO  L268        CegarLoopResult]: For program point  L555-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,027 INFO  L268        CegarLoopResult]: For program point  L522-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,027 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 29 598)  the Hoare annotation is:  (let ((.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (<= ~a28~0 |old(~a28~0)|)) (.cse0 (not (<= |old(~a17~0)| 8)))) (and (or (and (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 8)) (not (<= |old(~a28~0)| 8)) (not (<= 8 |old(~a17~0)|)) .cse0) (or (not (<= 9 |old(~a28~0)|)) (and .cse1 .cse2 (<= 9 ~a28~0)) .cse0) (or (not (<= 10 |old(~a28~0)|)) (<= 10 ~a28~0) .cse0) (or (not (<= |old(~a28~0)| 7)) (and .cse1 .cse2) .cse0) (or (not (<= 11 |old(~a28~0)|)) .cse0 (<= 11 ~a28~0))))
[2020-07-20 17:27:27,027 INFO  L268        CegarLoopResult]: For program point  L489-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L456-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L423-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L159(lines 159 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L589(line 589)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L556(line 556)  no Hoare annotation was computed.
[2020-07-20 17:27:27,028 INFO  L268        CegarLoopResult]: For program point  L523(line 523)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L490(line 490)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L457(line 457)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L424(line 424)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L259(lines 259 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L293(lines 293 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L95(lines 95 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,029 INFO  L268        CegarLoopResult]: For program point  L591-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L558-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L525-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L492-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L459-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L426-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L30(lines 30 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,030 INFO  L268        CegarLoopResult]: For program point  L592(line 592)  no Hoare annotation was computed.
[2020-07-20 17:27:27,031 INFO  L268        CegarLoopResult]: For program point  L559(line 559)  no Hoare annotation was computed.
[2020-07-20 17:27:27,031 INFO  L268        CegarLoopResult]: For program point  L526(line 526)  no Hoare annotation was computed.
[2020-07-20 17:27:27,031 INFO  L268        CegarLoopResult]: For program point  L493(line 493)  no Hoare annotation was computed.
[2020-07-20 17:27:27,031 INFO  L268        CegarLoopResult]: For program point  L460(line 460)  no Hoare annotation was computed.
[2020-07-20 17:27:27,031 INFO  L268        CegarLoopResult]: For program point  L427(line 427)  no Hoare annotation was computed.
[2020-07-20 17:27:27,031 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,031 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L328(lines 328 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L262(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L262-2(lines 262 274)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L594-1(lines 594 596)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L561-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,032 INFO  L268        CegarLoopResult]: For program point  L528-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,033 INFO  L268        CegarLoopResult]: For program point  L495-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,033 INFO  L268        CegarLoopResult]: For program point  L462-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,033 INFO  L268        CegarLoopResult]: For program point  L429-1(lines 29 598)  no Hoare annotation was computed.
[2020-07-20 17:27:27,033 INFO  L268        CegarLoopResult]: For program point  L297(lines 297 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,033 INFO  L268        CegarLoopResult]: For program point  L198(lines 198 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,033 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,033 INFO  L268        CegarLoopResult]: For program point  L99(lines 99 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L595(line 595)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L562(line 562)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L529(line 529)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L496(line 496)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L463(line 463)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L430(line 430)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L331(lines 331 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,034 INFO  L268        CegarLoopResult]: For program point  L298(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  L232(lines 232 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  L298-2(lines 298 307)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  L332(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  L332-2(lines 332 335)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  L134(lines 134 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  L35(lines 35 413)  no Hoare annotation was computed.
[2020-07-20 17:27:27,035 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:27:27,036 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7))
[2020-07-20 17:27:27,036 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 17:27:27,036 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:27:27,036 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 600 617)  the Hoare annotation is:  (or (not (<= |old(~a28~0)| 7)) (and (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)))
[2020-07-20 17:27:27,036 INFO  L264        CegarLoopResult]: At program point  L606-2(lines 606 616)  the Hoare annotation is:  (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= 9 ~a28~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0))))
[2020-07-20 17:27:27,036 INFO  L268        CegarLoopResult]: For program point  L606-3(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 17:27:27,036 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 600 617)  no Hoare annotation was computed.
[2020-07-20 17:27:27,037 INFO  L264        CegarLoopResult]: At program point  L614(line 614)  the Hoare annotation is:  (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= 9 ~a28~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0))))
[2020-07-20 17:27:27,037 INFO  L268        CegarLoopResult]: For program point  L614-1(line 614)  no Hoare annotation was computed.
[2020-07-20 17:27:27,037 INFO  L268        CegarLoopResult]: For program point  L611(line 611)  no Hoare annotation was computed.
[2020-07-20 17:27:27,055 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:27:27 BoogieIcfgContainer
[2020-07-20 17:27:27,056 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 17:27:27,058 INFO  L168              Benchmark]: Toolchain (without parser) took 11758.79 ms. Allocated memory was 137.4 MB in the beginning and 373.8 MB in the end (delta: 236.5 MB). Free memory was 100.9 MB in the beginning and 140.9 MB in the end (delta: -40.0 MB). Peak memory consumption was 196.5 MB. Max. memory is 7.1 GB.
[2020-07-20 17:27:27,059 INFO  L168              Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 17:27:27,060 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 786.76 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.5 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB.
[2020-07-20 17:27:27,060 INFO  L168              Benchmark]: Boogie Preprocessor took 104.36 ms. Allocated memory is still 203.4 MB. Free memory was 170.6 MB in the beginning and 165.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:27:27,061 INFO  L168              Benchmark]: RCFGBuilder took 1290.50 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 180.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
[2020-07-20 17:27:27,062 INFO  L168              Benchmark]: TraceAbstraction took 9569.49 ms. Allocated memory was 234.9 MB in the beginning and 373.8 MB in the end (delta: 138.9 MB). Free memory was 180.7 MB in the beginning and 140.9 MB in the end (delta: 39.8 MB). Peak memory consumption was 178.7 MB. Max. memory is 7.1 GB.
[2020-07-20 17:27:27,066 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.61 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 786.76 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.5 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 104.36 ms. Allocated memory is still 203.4 MB. Free memory was 170.6 MB in the beginning and 165.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1290.50 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 180.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 9569.49 ms. Allocated memory was 234.9 MB in the beginning and 373.8 MB in the end (delta: 138.9 MB). Free memory was 180.7 MB in the beginning and 140.9 MB in the end (delta: 39.8 MB). Peak memory consumption was 178.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 463]: 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: (((((a17 <= 8 && 9 <= a28) || !(\old(a28) <= 7)) || (a17 <= 8 && a28 <= 7)) || !(8 <= \old(a17))) || !(\old(a17) <= 8)) || (a17 <= 8 && 8 <= a17)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.9s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1044 SDtfs, 1262 SDslu, 222 SDs, 0 SdLazy, 3077 SolverSat, 653 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1275 GetRequests, 1255 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 595 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 44 PreInvPairs, 64 NumberOfFragments, 192 HoareAnnotationTreeSize, 44 FomulaSimplifications, 430 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 165 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 398610 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2527 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 401/409 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...