/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 06:26:49,011 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 06:26:49,015 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 06:26:49,041 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 06:26:49,041 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 06:26:49,042 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 06:26:49,044 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 06:26:49,046 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 06:26:49,047 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 06:26:49,048 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 06:26:49,050 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 06:26:49,051 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 06:26:49,051 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 06:26:49,052 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 06:26:49,054 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 06:26:49,055 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 06:26:49,056 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 06:26:49,057 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 06:26:49,059 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 06:26:49,060 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 06:26:49,062 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 06:26:49,063 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 06:26:49,064 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 06:26:49,066 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 06:26:49,070 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 06:26:49,071 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 06:26:49,071 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 06:26:49,074 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 06:26:49,075 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 06:26:49,076 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 06:26:49,076 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 06:26:49,079 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 06:26:49,080 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 06:26:49,080 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 06:26:49,081 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 06:26:49,082 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 06:26:49,083 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 06:26:49,083 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 06:26:49,083 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 06:26:49,085 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 06:26:49,087 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 06:26:49,088 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 06:26:49,145 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 06:26:49,146 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 06:26:49,147 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 06:26:49,148 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 06:26:49,148 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 06:26:49,148 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 06:26:49,148 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 06:26:49,148 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 06:26:49,149 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 06:26:49,149 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 06:26:49,149 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 06:26:49,149 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 06:26:49,150 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 06:26:49,150 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 06:26:49,150 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 06:26:49,150 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 06:26:49,150 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 06:26:49,151 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 06:26:49,151 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 06:26:49,151 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 06:26:49,151 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 06:26:49,151 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:26:49,153 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 06:26:49,154 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 06:26:49,154 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 06:26:49,154 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 06:26:49,154 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 06:26:49,154 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 06:26:49,155 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 06:26:49,155 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 -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
[2020-09-25 06:26:49,626 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 06:26:49,641 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 06:26:49,645 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 06:26:49,646 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 06:26:49,647 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 06:26:49,648 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c
[2020-09-25 06:26:49,729 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b611eae0a/c6f3ee8e6c6d4a849aa7cc30199c2703/FLAGe95e69afe
[2020-09-25 06:26:50,324 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 06:26:50,325 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c
[2020-09-25 06:26:50,341 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b611eae0a/c6f3ee8e6c6d4a849aa7cc30199c2703/FLAGe95e69afe
[2020-09-25 06:26:50,613 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b611eae0a/c6f3ee8e6c6d4a849aa7cc30199c2703
[2020-09-25 06:26:50,624 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 06:26:50,630 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 06:26:50,633 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 06:26:50,633 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 06:26:50,637 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 06:26:50,638 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:50" (1/1) ...
[2020-09-25 06:26:50,643 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483c82f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:50, skipping insertion in model container
[2020-09-25 06:26:50,643 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:50" (1/1) ...
[2020-09-25 06:26:50,652 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 06:26:50,726 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 06:26:51,157 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:26:51,173 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 06:26:51,257 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:26:51,295 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 06:26:51,296 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51 WrapperNode
[2020-09-25 06:26:51,296 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 06:26:51,297 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 06:26:51,297 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 06:26:51,297 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 06:26:51,313 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
[2020-09-25 06:26:51,313 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
[2020-09-25 06:26:51,335 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
[2020-09-25 06:26:51,336 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
[2020-09-25 06:26:51,371 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
[2020-09-25 06:26:51,383 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
[2020-09-25 06:26:51,389 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
[2020-09-25 06:26:51,397 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 06:26:51,398 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 06:26:51,398 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 06:26:51,398 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 06:26:51,399 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-25 06:26:51,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 06:26:51,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 06:26:51,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:26:51,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-09-25 06:26:51,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 06:26:51,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 06:26:51,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 06:26:51,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 06:26:51,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 06:26:51,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 06:26:51,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 06:26:51,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 06:26:51,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 06:26:51,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 06:26:51,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 06:26:51,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 06:26:51,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 06:26:51,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 06:26:51,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 06:26:51,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 06:26:51,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 06:26:51,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 06:26:51,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 06:26:51,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:26:51,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 06:26:51,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 06:26:51,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 06:26:51,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 06:26:51,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 06:26:51,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 06:26:51,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 06:26:51,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 06:26:51,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 06:26:51,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 06:26:51,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 06:26:51,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 06:26:51,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 06:26:51,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 06:26:51,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 06:26:51,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 06:26:51,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 06:26:51,504 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 06:26:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 06:26:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 06:26:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 06:26:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 06:26:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 06:26:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-09-25 06:26:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 06:26:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 06:26:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 06:26:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 06:26:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 06:26:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 06:26:51,507 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 06:26:51,507 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 06:26:51,507 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 06:26:51,507 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 06:26:51,507 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 06:26:51,507 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 06:26:51,507 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 06:26:51,508 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 06:26:51,508 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 06:26:51,508 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 06:26:51,508 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 06:26:51,508 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 06:26:51,509 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 06:26:51,509 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 06:26:51,509 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 06:26:51,509 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 06:26:51,509 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 06:26:51,510 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 06:26:51,510 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 06:26:51,510 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 06:26:51,510 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 06:26:51,510 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 06:26:51,510 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 06:26:51,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:26:51,511 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:26:51,511 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 06:26:51,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 06:26:51,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 06:26:51,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 06:26:51,512 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 06:26:51,512 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 06:26:51,512 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 06:26:51,512 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 06:26:51,512 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 06:26:51,512 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 06:26:51,513 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 06:26:51,513 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 06:26:51,513 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 06:26:51,513 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 06:26:51,513 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 06:26:51,514 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 06:26:51,514 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 06:26:52,787 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 06:26:52,787 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 06:26:52,798 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:52 BoogieIcfgContainer
[2020-09-25 06:26:52,799 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 06:26:52,800 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 06:26:52,800 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 06:26:52,805 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 06:26:52,805 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:26:50" (1/3) ...
[2020-09-25 06:26:52,806 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f01cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:52, skipping insertion in model container
[2020-09-25 06:26:52,806 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:51" (2/3) ...
[2020-09-25 06:26:52,807 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f01cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:52, skipping insertion in model container
[2020-09-25 06:26:52,808 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:52" (3/3) ...
[2020-09-25 06:26:52,810 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c
[2020-09-25 06:26:52,822 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 06:26:52,837 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 06:26:52,861 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 06:26:52,906 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 06:26:52,906 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 06:26:52,906 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 06:26:52,906 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 06:26:52,906 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 06:26:52,907 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 06:26:52,907 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 06:26:52,908 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 06:26:52,951 INFO  L276                IsEmpty]: Start isEmpty. Operand 320 states.
[2020-09-25 06:26:52,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 06:26:52,988 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:26:52,989 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:26:52,991 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:26:53,000 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:26:53,001 INFO  L82        PathProgramCache]: Analyzing trace with hash -29194710, now seen corresponding path program 1 times
[2020-09-25 06:26:53,017 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:26:53,018 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578724248]
[2020-09-25 06:26:53,018 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:26:53,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:53,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:53,750 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:55,201 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:56,170 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:58,463 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:58,463 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 06:26:58,464 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 06:26:58,464 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5024
[2020-09-25 06:26:58,469 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:58,469 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:58,469 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:58,470 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 06:26:58,479 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:58,479 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 14
[2020-09-25 06:26:58,996 WARN  L193               SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:26:58,999 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:26:59,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:59,043 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:59,169 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:59,169 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:26:59,169 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:26:59,169 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 139
[2020-09-25 06:26:59,170 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:59,170 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:59,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:59,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:26:59,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:59,171 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:26:59,261 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:26:59,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:59,267 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:59,271 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:59,272 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:26:59,273 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:26:59,273 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:26:59,274 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:59,274 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:59,275 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:59,275 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:26:59,275 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:59,276 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:26:59,279 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:26:59,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:59,284 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:59,286 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:59,286 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:26:59,286 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:26:59,287 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:26:59,287 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:59,287 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:59,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:59,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:26:59,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:59,288 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:26:59,290 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:26:59,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:59,294 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:59,300 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:59,300 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:26:59,300 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:26:59,301 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:26:59,301 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:59,302 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:59,302 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:59,302 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:26:59,303 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:59,303 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:26:59,305 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:26:59,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:59,308 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:59,310 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:59,310 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:26:59,310 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:26:59,311 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:26:59,311 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:59,311 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:59,312 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:59,312 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:26:59,312 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:59,312 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:26:59,313 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 06:26:59,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:59,319 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:59,321 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:59,322 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:26:59,322 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:26:59,322 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:26:59,322 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:59,323 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:59,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:59,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:26:59,324 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:59,324 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:26:59,326 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 06:26:59,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:26:59,332 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:26:59,335 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:26:59,335 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:26:59,336 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:26:59,336 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:26:59,337 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:26:59,337 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:26:59,337 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:26:59,338 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:26:59,338 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:26:59,339 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:26:59,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:26:59,437 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578724248]
[2020-09-25 06:26:59,445 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:26:59,445 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 06:26:59,446 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863727258]
[2020-09-25 06:26:59,461 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 06:26:59,462 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:26:59,484 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 06:26:59,485 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 06:26:59,489 INFO  L87              Difference]: Start difference. First operand 320 states. Second operand 3 states.
[2020-09-25 06:27:01,003 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:27:01,004 INFO  L93              Difference]: Finished difference Result 488 states and 583 transitions.
[2020-09-25 06:27:01,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 06:27:01,006 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-09-25 06:27:01,007 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:27:01,026 INFO  L225             Difference]: With dead ends: 488
[2020-09-25 06:27:01,026 INFO  L226             Difference]: Without dead ends: 303
[2020-09-25 06:27:01,033 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 06:27:01,055 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 303 states.
[2020-09-25 06:27:01,134 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259.
[2020-09-25 06:27:01,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 259 states.
[2020-09-25 06:27:01,142 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions.
[2020-09-25 06:27:01,146 INFO  L78                 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142
[2020-09-25 06:27:01,147 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:27:01,147 INFO  L479      AbstractCegarLoop]: Abstraction has 259 states and 282 transitions.
[2020-09-25 06:27:01,147 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 06:27:01,147 INFO  L276                IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions.
[2020-09-25 06:27:01,153 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-09-25 06:27:01,153 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:27:01,153 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:27:01,154 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 06:27:01,155 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:27:01,155 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:27:01,155 INFO  L82        PathProgramCache]: Analyzing trace with hash -1893464465, now seen corresponding path program 1 times
[2020-09-25 06:27:01,158 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:27:01,158 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515931438]
[2020-09-25 06:27:01,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:27:01,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:01,268 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:01,362 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:02,730 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:03,139 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:04,062 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,228 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,228 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 174
[2020-09-25 06:27:06,228 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 06:27:06,228 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5008
[2020-09-25 06:27:06,229 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,229 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:27:06,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 06:27:06,230 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 06:27:06,230 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,531 WARN  L193               SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:27:06,532 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:27:06,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:06,549 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,633 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,633 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:27:06,633 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:06,634 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 92
[2020-09-25 06:27:06,634 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,634 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,634 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:06,635 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:06,635 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:06,635 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,677 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:27:06,678 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:06,679 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,680 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,680 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:06,680 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:06,681 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:27:06,681 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,681 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,681 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:06,681 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:06,682 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:06,682 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,685 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:27:06,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:06,687 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,688 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,688 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:06,688 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:06,688 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:27:06,689 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,689 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,689 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:06,689 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:06,690 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:06,690 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,693 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:27:06,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:06,695 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,699 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,699 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:06,699 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:06,699 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:27:06,699 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,700 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:06,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:06,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:06,700 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,702 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:27:06,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:06,703 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,705 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,705 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:06,705 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:06,706 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:27:06,706 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,706 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,706 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:06,706 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:06,707 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:06,707 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,708 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 06:27:06,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:06,710 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,711 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,711 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:06,711 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:06,711 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:27:06,712 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,712 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,712 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:06,712 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:27:06,712 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:06,713 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,714 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 06:27:06,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:06,716 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:06,717 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:06,718 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:06,718 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:06,718 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:27:06,718 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:06,718 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:06,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:06,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:27:06,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:06,719 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:06,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:27:06,744 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515931438]
[2020-09-25 06:27:06,744 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:27:06,744 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 06:27:06,744 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453679213]
[2020-09-25 06:27:06,749 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 06:27:06,749 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:27:06,750 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 06:27:06,750 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 06:27:06,750 INFO  L87              Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 4 states.
[2020-09-25 06:27:07,402 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:27:08,407 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:27:08,407 INFO  L93              Difference]: Finished difference Result 395 states and 446 transitions.
[2020-09-25 06:27:08,409 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 06:27:08,409 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-09-25 06:27:08,410 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:27:08,413 INFO  L225             Difference]: With dead ends: 395
[2020-09-25 06:27:08,414 INFO  L226             Difference]: Without dead ends: 286
[2020-09-25 06:27:08,421 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:27:08,422 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2020-09-25 06:27:08,477 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 249.
[2020-09-25 06:27:08,477 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 249 states.
[2020-09-25 06:27:08,479 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions.
[2020-09-25 06:27:08,480 INFO  L78                 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 143
[2020-09-25 06:27:08,480 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:27:08,480 INFO  L479      AbstractCegarLoop]: Abstraction has 249 states and 269 transitions.
[2020-09-25 06:27:08,480 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 06:27:08,481 INFO  L276                IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions.
[2020-09-25 06:27:08,483 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2020-09-25 06:27:08,483 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:27:08,483 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:27:08,484 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 06:27:08,484 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:27:08,484 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:27:08,484 INFO  L82        PathProgramCache]: Analyzing trace with hash -1620953734, now seen corresponding path program 1 times
[2020-09-25 06:27:08,484 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:27:08,485 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301514067]
[2020-09-25 06:27:08,485 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:27:08,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:08,578 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:08,796 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:09,579 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:10,868 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:13,540 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:13,541 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 06:27:13,541 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 06:27:13,541 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5007
[2020-09-25 06:27:13,542 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:13,542 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:13,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:27:13,543 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 06:27:13,543 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 06:27:13,543 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:13,890 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:27:13,891 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:27:13,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:13,906 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:13,982 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:13,982 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:27:13,983 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:13,983 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 83
[2020-09-25 06:27:13,983 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:13,983 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:13,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:13,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:13,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:13,984 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:14,021 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:27:14,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:14,022 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:14,023 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:14,024 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:14,024 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:14,024 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:27:14,024 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:14,024 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:14,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:14,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:14,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:14,025 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:14,026 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:27:14,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:14,027 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:14,030 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:14,031 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:14,032 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:14,032 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:27:14,032 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:14,032 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:14,032 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:14,033 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:14,033 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:14,033 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:27:14,034 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:27:14,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:14,035 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:14,040 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:14,041 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:14,041 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:14,041 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:27:14,041 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:14,042 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:14,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:14,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:14,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:14,043 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:14,044 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:27:14,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:14,046 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:14,047 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:14,048 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:14,048 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:14,048 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:27:14,048 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:14,049 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:14,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:14,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:14,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:14,050 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:14,058 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 06:27:14,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:14,061 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:14,063 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:14,063 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:27:14,065 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:14,065 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:27:14,065 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:14,065 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:14,066 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:27:14,066 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:14,066 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 06:27:14,066 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:14,078 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 06:27:14,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:14,083 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:14,085 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:14,085 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:14,085 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:14,085 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:27:14,086 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:14,087 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:14,087 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:14,087 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:27:14,087 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:14,087 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:14,089 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 06:27:14,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:14,091 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:14,092 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:14,092 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:14,093 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:14,093 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:27:14,093 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:14,093 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:14,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:14,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:27:14,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:14,094 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:14,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:27:14,119 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301514067]
[2020-09-25 06:27:14,119 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:27:14,119 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:27:14,120 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407650628]
[2020-09-25 06:27:14,121 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:27:14,121 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:27:14,121 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:27:14,122 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:27:14,123 INFO  L87              Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states.
[2020-09-25 06:27:14,778 WARN  L193               SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:16,956 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:27:16,956 INFO  L93              Difference]: Finished difference Result 597 states and 694 transitions.
[2020-09-25 06:27:16,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 06:27:16,957 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 156
[2020-09-25 06:27:16,958 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:27:16,965 INFO  L225             Difference]: With dead ends: 597
[2020-09-25 06:27:16,965 INFO  L226             Difference]: Without dead ends: 458
[2020-09-25 06:27:16,966 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:27:16,967 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 458 states.
[2020-09-25 06:27:17,049 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378.
[2020-09-25 06:27:17,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 378 states.
[2020-09-25 06:27:17,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions.
[2020-09-25 06:27:17,052 INFO  L78                 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 156
[2020-09-25 06:27:17,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:27:17,053 INFO  L479      AbstractCegarLoop]: Abstraction has 378 states and 419 transitions.
[2020-09-25 06:27:17,053 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:27:17,053 INFO  L276                IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions.
[2020-09-25 06:27:17,056 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 06:27:17,056 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:27:17,056 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:27:17,057 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 06:27:17,057 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:27:17,057 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:27:17,057 INFO  L82        PathProgramCache]: Analyzing trace with hash -1603328841, now seen corresponding path program 1 times
[2020-09-25 06:27:17,057 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:27:17,058 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926155535]
[2020-09-25 06:27:17,058 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:27:17,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:17,146 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:17,958 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:18,190 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:20,283 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,123 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,124 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 192
[2020-09-25 06:27:22,124 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 06:27:22,124 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5022
[2020-09-25 06:27:22,124 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,125 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,125 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 06:27:22,125 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 150
[2020-09-25 06:27:22,125 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-25 06:27:22,125 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:22,430 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:27:22,431 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:27:22,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,447 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,525 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,526 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:27:22,526 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,526 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 86
[2020-09-25 06:27:22,526 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,527 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:22,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:22,528 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:22,554 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:27:22,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,555 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,557 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,557 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:22,557 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,557 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:27:22,557 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,558 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,558 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:22,558 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,558 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:22,558 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:22,559 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:27:22,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,561 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,562 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,562 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:22,562 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,562 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:27:22,563 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,563 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,563 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:22,563 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,564 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:22,564 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:22,565 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:27:22,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,567 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,570 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,570 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:22,570 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,571 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:27:22,571 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,571 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,571 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:22,571 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,572 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:22,572 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:22,573 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:27:22,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,576 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,576 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:27:22,576 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,576 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:27:22,577 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,577 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,577 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:27:22,577 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,577 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:27:22,578 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:22,590 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 06:27:22,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,592 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,596 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,596 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 06:27:22,596 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,597 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:27:22,597 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,597 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,597 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:27:22,597 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,598 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 06:27:22,598 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:27:22,600 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 06:27:22,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,602 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,604 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,605 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:22,605 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,605 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:27:22,605 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,605 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,606 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:27:22,606 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,606 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:27:22,606 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:27:22,608 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-25 06:27:22,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:27:22,611 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:27:22,617 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:27:22,618 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:27:22,618 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:27:22,618 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:27:22,618 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:27:22,619 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:27:22,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 06:27:22,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:27:22,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:27:22,619 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:27:22,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:27:22,678 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926155535]
[2020-09-25 06:27:22,678 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:27:22,678 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 06:27:22,679 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56032750]
[2020-09-25 06:27:22,679 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 06:27:22,680 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:27:22,680 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 06:27:22,680 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 06:27:22,680 INFO  L87              Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states.
[2020-09-25 06:27:23,174 WARN  L193               SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:24,343 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:24,653 WARN  L193               SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:27:24,954 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:25,270 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:27:25,574 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:25,821 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:27:25,822 INFO  L93              Difference]: Finished difference Result 587 states and 686 transitions.
[2020-09-25 06:27:25,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 06:27:25,822 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 161
[2020-09-25 06:27:25,824 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:27:25,824 INFO  L225             Difference]: With dead ends: 587
[2020-09-25 06:27:25,824 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 06:27:25,827 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2020-09-25 06:27:25,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 06:27:25,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 06:27:25,827 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 06:27:25,827 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 06:27:25,828 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161
[2020-09-25 06:27:25,828 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:27:25,828 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 06:27:25,828 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 06:27:25,828 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 06:27:25,828 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 06:27:25,828 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 06:27:25,831 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 06:27:26,041 WARN  L193               SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:26,217 WARN  L193               SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:26,388 WARN  L193               SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:26,729 WARN  L193               SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6
[2020-09-25 06:27:26,886 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:27,053 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:27,209 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:27,331 WARN  L193               SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6
[2020-09-25 06:27:27,480 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:27,635 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:27,753 WARN  L193               SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6
[2020-09-25 06:27:28,079 WARN  L193               SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 06:27:28,393 WARN  L193               SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 06:27:28,706 WARN  L193               SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 06:27:28,940 WARN  L193               SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186
[2020-09-25 06:27:29,256 WARN  L193               SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187
[2020-09-25 06:27:29,565 WARN  L193               SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187
[2020-09-25 06:27:29,869 WARN  L193               SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187
[2020-09-25 06:27:30,021 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:30,161 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:27:30,309 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:30,454 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:30,602 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:30,752 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:30,899 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:31,047 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:31,191 WARN  L193               SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:31,342 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:31,497 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:31,641 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:31,795 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:31,938 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:32,086 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:32,234 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:32,381 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:32,532 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:32,681 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:32,829 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:32,972 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:33,117 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:33,265 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:33,418 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:33,564 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:33,820 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:33,968 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:34,114 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:34,264 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:34,418 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:34,564 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:34,720 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:34,827 WARN  L193               SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6
[2020-09-25 06:27:34,984 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:35,232 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:35,379 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:35,690 WARN  L193               SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 06:27:36,000 WARN  L193               SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 06:27:36,310 WARN  L193               SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 06:27:36,540 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186
[2020-09-25 06:27:36,689 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:36,846 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:36,995 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:27:37,142 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:37,289 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:37,436 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:27:37,870 WARN  L193               SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7
[2020-09-25 06:27:38,053 WARN  L193               SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20
[2020-09-25 06:27:38,265 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1
[2020-09-25 06:27:38,675 WARN  L193               SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7
[2020-09-25 06:27:39,086 WARN  L193               SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11
[2020-09-25 06:27:39,268 WARN  L193               SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8
[2020-09-25 06:27:39,437 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20
[2020-09-25 06:27:39,656 WARN  L193               SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:27:39,877 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20
[2020-09-25 06:27:40,070 WARN  L193               SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1
[2020-09-25 06:27:40,454 WARN  L193               SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11
[2020-09-25 06:27:40,657 WARN  L193               SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1