/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_spec1_product29.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:12:29,975 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:12:29,979 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:12:30,007 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:12:30,007 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:12:30,009 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:12:30,010 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:12:30,012 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:12:30,014 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:12:30,015 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:12:30,016 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:12:30,017 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:12:30,017 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:12:30,018 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:12:30,019 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:12:30,020 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:12:30,022 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:12:30,023 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:12:30,024 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:12:30,027 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:12:30,028 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:12:30,029 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:12:30,031 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:12:30,032 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:12:30,034 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:12:30,035 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:12:30,035 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:12:30,036 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:12:30,036 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:12:30,037 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:12:30,037 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:12:30,038 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:12:30,039 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:12:30,040 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:12:30,041 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:12:30,041 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:12:30,042 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:12:30,042 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:12:30,043 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:12:30,044 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:12:30,044 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:12:30,045 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 14:12:30,078 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 14:12:30,078 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:12:30,081 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:12:30,081 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 14:12:30,083 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 14:12:30,083 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:12:30,083 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 14:12:30,083 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 14:12:30,084 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 14:12:30,084 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 14:12:30,084 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:12:30,084 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:12:30,084 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:12:30,086 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 14:12:30,086 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 14:12:30,086 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 14:12:30,087 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:12:30,087 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:12:30,088 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 14:12:30,088 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 14:12:30,088 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 14:12:30,088 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:12:30,089 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:12:30,089 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:12:30,089 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:12:30,090 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 14:12:30,090 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:12:30,090 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:12:30,090 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 14:12:30,091 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:12:30,565 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:12:30,583 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:12:30,587 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:12:30,589 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 14:12:30,590 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 14:12:30,591 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c
[2020-09-25 14:12:30,684 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/268228a5d/97c177d513e94fb0a39d9417f3e07c1b/FLAG41c368db4
[2020-09-25 14:12:31,265 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 14:12:31,266 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c
[2020-09-25 14:12:31,283 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/268228a5d/97c177d513e94fb0a39d9417f3e07c1b/FLAG41c368db4
[2020-09-25 14:12:31,530 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/268228a5d/97c177d513e94fb0a39d9417f3e07c1b
[2020-09-25 14:12:31,545 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:12:31,552 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:12:31,553 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:12:31,553 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:12:31,559 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:12:31,560 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:12:31" (1/1) ...
[2020-09-25 14:12:31,565 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:31, skipping insertion in model container
[2020-09-25 14:12:31,565 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:12:31" (1/1) ...
[2020-09-25 14:12:31,575 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 14:12:31,652 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:12:32,131 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:12:32,145 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 14:12:32,236 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:12:32,281 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 14:12:32,282 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32 WrapperNode
[2020-09-25 14:12:32,282 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:12:32,283 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:12:32,283 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:12:32,283 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:12:32,297 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (1/1) ...
[2020-09-25 14:12:32,298 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (1/1) ...
[2020-09-25 14:12:32,318 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (1/1) ...
[2020-09-25 14:12:32,319 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (1/1) ...
[2020-09-25 14:12:32,353 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (1/1) ...
[2020-09-25 14:12:32,371 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (1/1) ...
[2020-09-25 14:12:32,381 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (1/1) ...
[2020-09-25 14:12:32,393 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:12:32,398 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:12:32,398 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:12:32,398 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:12:32,400 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (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 14:12:32,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:12:32,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:12:32,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:12:32,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 14:12:32,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 14:12:32,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 14:12:32,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 14:12:32,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 14:12:32,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 14:12:32,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 14:12:32,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 14:12:32,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 14:12:32,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 14:12:32,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 14:12:32,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 14:12:32,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 14:12:32,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 14:12:32,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 14:12:32,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 14:12:32,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:12:32,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 14:12:32,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 14:12:32,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 14:12:32,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 14:12:32,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 14:12:32,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 14:12:32,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 14:12:32,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:12:32,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 14:12:32,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 14:12:32,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 14:12:32,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 14:12:32,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 14:12:32,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 14:12:32,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 14:12:32,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 14:12:32,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 14:12:32,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 14:12:32,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 14:12:32,510 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:12:32,510 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 14:12:32,511 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 14:12:32,511 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 14:12:32,511 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 14:12:32,511 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 14:12:32,511 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 14:12:32,511 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 14:12:32,512 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 14:12:32,512 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 14:12:32,512 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 14:12:32,512 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 14:12:32,512 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 14:12:32,513 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 14:12:32,513 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 14:12:32,513 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 14:12:32,513 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 14:12:32,514 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 14:12:32,514 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 14:12:32,514 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:12:32,514 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 14:12:32,514 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 14:12:32,514 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 14:12:32,515 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 14:12:32,515 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 14:12:32,515 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 14:12:32,515 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 14:12:32,515 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 14:12:32,516 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 14:12:32,516 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 14:12:32,516 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:12:32,517 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 14:12:32,518 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 14:12:32,518 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 14:12:32,518 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 14:12:32,519 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 14:12:32,519 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 14:12:32,519 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 14:12:32,519 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 14:12:32,519 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:12:32,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 14:12:32,519 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 14:12:32,520 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:12:32,521 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:12:32,521 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:12:32,521 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:12:32,522 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 14:12:32,522 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 14:12:32,522 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 14:12:32,522 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 14:12:32,524 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:12:32,524 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 14:12:32,524 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:12:33,773 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:12:33,773 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 14:12:33,780 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:12:33 BoogieIcfgContainer
[2020-09-25 14:12:33,781 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:12:33,782 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:12:33,782 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:12:33,786 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:12:33,786 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:12:31" (1/3) ...
[2020-09-25 14:12:33,787 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ab7c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:12:33, skipping insertion in model container
[2020-09-25 14:12:33,787 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:32" (2/3) ...
[2020-09-25 14:12:33,788 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ab7c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:12:33, skipping insertion in model container
[2020-09-25 14:12:33,788 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:12:33" (3/3) ...
[2020-09-25 14:12:33,790 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c
[2020-09-25 14:12:33,804 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:12:33,816 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:12:33,842 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:12:33,877 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:12:33,877 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 14:12:33,878 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:12:33,878 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:12:33,878 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:12:33,878 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 14:12:33,878 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:12:33,878 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:12:33,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 305 states.
[2020-09-25 14:12:33,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 14:12:33,927 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:12:33,929 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 14:12:33,930 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:12:33,937 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:12:33,938 INFO  L82        PathProgramCache]: Analyzing trace with hash -992728366, now seen corresponding path program 1 times
[2020-09-25 14:12:33,951 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:12:33,952 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741687247]
[2020-09-25 14:12:33,952 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:12:34,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:34,458 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:34,688 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:35,128 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:36,025 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:36,216 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:39,366 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:39,367 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 14:12:39,367 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 14:12:39,368 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5029
[2020-09-25 14:12:39,372 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:39,373 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:39,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:39,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 14:12:39,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 62
[2020-09-25 14:12:39,374 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 14:12:39,932 WARN  L193               SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:12:39,934 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:12:39,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:40,052 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:40,428 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:40,429 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:12:40,429 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:40,430 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 431
[2020-09-25 14:12:40,430 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:40,430 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:40,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:40,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:40,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 14:12:40,432 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:40,514 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:12:40,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:40,517 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:40,521 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:40,521 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:12:40,521 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:40,522 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:12:40,522 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:40,522 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:40,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:40,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:40,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:12:40,523 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:40,525 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:12:40,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:40,527 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:40,531 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:40,531 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:12:40,531 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:40,532 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:12:40,532 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:40,532 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:40,532 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:40,533 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:40,533 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:12:40,533 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:40,534 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:12:40,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:40,539 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:40,548 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:40,549 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:12:40,549 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:40,550 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 14:12:40,550 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:40,551 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:40,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:40,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:40,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:12:40,552 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 14:12:40,555 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:12:40,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:40,557 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:40,560 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:40,561 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:12:40,561 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:40,561 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:12:40,562 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:40,562 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:40,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:40,563 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:40,563 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:12:40,563 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:40,565 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 14:12:40,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:40,568 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:40,570 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:40,571 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:12:40,571 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:40,571 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:12:40,572 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:40,572 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:40,572 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:12:40,573 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:12:40,573 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:12:40,573 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:40,575 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 14:12:40,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:40,578 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:40,580 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:40,581 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:12:40,581 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:40,581 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:12:40,582 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:40,582 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:40,582 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:12:40,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:12:40,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:12:40,583 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:40,629 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 14:12:40,630 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741687247]
[2020-09-25 14:12:40,633 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:12:40,634 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 14:12:40,635 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451730118]
[2020-09-25 14:12:40,643 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 14:12:40,644 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:12:40,670 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 14:12:40,671 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 14:12:40,675 INFO  L87              Difference]: Start difference. First operand 305 states. Second operand 4 states.
[2020-09-25 14:12:41,311 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:12:42,389 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:12:42,390 INFO  L93              Difference]: Finished difference Result 455 states and 546 transitions.
[2020-09-25 14:12:42,391 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 14:12:42,392 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 142
[2020-09-25 14:12:42,393 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:12:42,424 INFO  L225             Difference]: With dead ends: 455
[2020-09-25 14:12:42,424 INFO  L226             Difference]: Without dead ends: 285
[2020-09-25 14:12:42,432 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 14:12:42,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2020-09-25 14:12:42,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 244.
[2020-09-25 14:12:42,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 244 states.
[2020-09-25 14:12:42,563 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 265 transitions.
[2020-09-25 14:12:42,565 INFO  L78                 Accepts]: Start accepts. Automaton has 244 states and 265 transitions. Word has length 142
[2020-09-25 14:12:42,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:12:42,566 INFO  L479      AbstractCegarLoop]: Abstraction has 244 states and 265 transitions.
[2020-09-25 14:12:42,566 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 14:12:42,566 INFO  L276                IsEmpty]: Start isEmpty. Operand 244 states and 265 transitions.
[2020-09-25 14:12:42,571 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2020-09-25 14:12:42,571 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:12:42,571 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, 1, 1, 1, 1]
[2020-09-25 14:12:42,572 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:12:42,572 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:12:42,572 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:12:42,572 INFO  L82        PathProgramCache]: Analyzing trace with hash 404214418, now seen corresponding path program 1 times
[2020-09-25 14:12:42,573 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:12:42,573 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265871522]
[2020-09-25 14:12:42,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:12:42,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:42,728 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:43,626 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:43,900 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:44,408 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:45,120 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:47,698 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:47,699 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 14:12:47,699 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 14:12:47,699 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5026
[2020-09-25 14:12:47,699 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:47,700 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:47,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 14:12:47,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 14:12:47,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 102
[2020-09-25 14:12:47,700 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,046 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:12:48,047 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:12:48,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,116 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,320 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,321 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:12:48,321 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,321 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 237
[2020-09-25 14:12:48,322 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,322 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:48,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 14:12:48,324 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 14:12:48,373 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:12:48,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,376 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,380 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,380 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:12:48,380 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,381 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:12:48,381 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,381 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,381 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:48,382 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,382 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:12:48,382 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,384 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:12:48,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,387 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,390 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,391 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:12:48,391 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,392 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:12:48,394 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,394 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:48,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:12:48,396 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 14:12:48,397 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:12:48,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,401 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,407 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,407 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:12:48,408 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,408 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 14:12:48,409 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,409 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,410 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:48,410 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,411 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:12:48,411 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 14:12:48,414 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:12:48,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,416 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,419 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,420 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:12:48,420 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,420 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:12:48,421 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,421 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,421 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:48,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:12:48,422 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,436 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 14:12:48,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,441 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,444 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,445 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 14:12:48,445 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,445 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:12:48,445 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,446 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:12:48,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 14:12:48,446 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,448 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:12:48,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,450 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,452 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,452 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 14:12:48,452 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,453 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:12:48,453 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,453 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,453 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:12:48,454 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,454 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:12:48,454 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,456 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:12:48,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,458 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,464 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,464 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:12:48,464 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,465 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 14:12:48,465 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,465 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,465 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:12:48,466 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,466 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:12:48,466 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,467 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2020-09-25 14:12:48,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,470 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,477 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,477 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:12:48,477 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,486 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 14:12:48,487 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,487 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,487 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:12:48,488 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:12:48,488 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:12:48,488 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,513 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2020-09-25 14:12:48,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:48,515 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:48,517 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:48,517 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:12:48,517 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:12:48,517 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:12:48,518 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:48,518 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:48,518 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:12:48,519 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:12:48,519 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:12:48,519 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:48,598 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 14:12:48,598 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265871522]
[2020-09-25 14:12:48,599 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:12:48,599 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 14:12:48,599 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973620629]
[2020-09-25 14:12:48,603 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 14:12:48,603 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:12:48,603 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 14:12:48,604 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 14:12:48,604 INFO  L87              Difference]: Start difference. First operand 244 states and 265 transitions. Second operand 9 states.
[2020-09-25 14:12:49,118 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:12:50,180 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:12:50,515 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:12:51,205 WARN  L193               SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:12:51,487 WARN  L193               SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:12:52,420 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:12:52,725 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:12:53,028 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:12:53,655 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:12:54,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:12:54,487 INFO  L93              Difference]: Finished difference Result 621 states and 764 transitions.
[2020-09-25 14:12:54,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 14:12:54,488 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 165
[2020-09-25 14:12:54,489 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:12:54,497 INFO  L225             Difference]: With dead ends: 621
[2020-09-25 14:12:54,501 INFO  L226             Difference]: Without dead ends: 463
[2020-09-25 14:12:54,504 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 14:12:54,508 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 463 states.
[2020-09-25 14:12:54,603 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 353.
[2020-09-25 14:12:54,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 353 states.
[2020-09-25 14:12:54,606 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 391 transitions.
[2020-09-25 14:12:54,607 INFO  L78                 Accepts]: Start accepts. Automaton has 353 states and 391 transitions. Word has length 165
[2020-09-25 14:12:54,608 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:12:54,608 INFO  L479      AbstractCegarLoop]: Abstraction has 353 states and 391 transitions.
[2020-09-25 14:12:54,608 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 14:12:54,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 353 states and 391 transitions.
[2020-09-25 14:12:54,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-25 14:12:54,612 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:12:54,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:12:54,613 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:12:54,613 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:12:54,613 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:12:54,614 INFO  L82        PathProgramCache]: Analyzing trace with hash 1057721220, now seen corresponding path program 1 times
[2020-09-25 14:12:54,614 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:12:54,614 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555803461]
[2020-09-25 14:12:54,614 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:12:54,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:12:54,724 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:54,875 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:55,392 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:55,485 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:12:59,616 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:12:59,617 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 207
[2020-09-25 14:12:59,617 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 14:12:59,617 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4951
[2020-09-25 14:12:59,617 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:12:59,618 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:12:59,618 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 18
[2020-09-25 14:12:59,618 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 14:12:59,618 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 126
[2020-09-25 14:12:59,619 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:12:59,943 WARN  L193               SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:12:59,944 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:12:59,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,007 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,190 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,190 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:13:00,190 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,191 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 216
[2020-09-25 14:13:00,191 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,191 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,191 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 14:13:00,192 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,229 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:13:00,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,232 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,234 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,234 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:13:00,234 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,235 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:13:00,235 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,235 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,235 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:13:00,236 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,237 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:13:00,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,239 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,241 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,241 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:13:00,241 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,242 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:13:00,242 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,242 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:13:00,243 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,244 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:13:00,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,246 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,253 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,253 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:13:00,253 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,254 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 14:13:00,254 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,254 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:13:00,255 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,257 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:13:00,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,258 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,261 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,261 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:13:00,261 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,261 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:13:00,262 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,262 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,262 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,262 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,262 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:13:00,263 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,274 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 14:13:00,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,276 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,282 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,282 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 14:13:00,282 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,282 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 14:13:00,282 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,283 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,283 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,283 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,283 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 14:13:00,284 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,297 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 14:13:00,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,301 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,305 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,312 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,316 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,316 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 14:13:00,317 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:13:00,317 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 14:13:00,317 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,317 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,318 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 14:13:00,318 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 14:13:00,318 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 14:13:00,318 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,360 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:13:00,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,364 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,371 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,374 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,374 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 14:13:00,375 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:13:00,375 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 14:13:00,375 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,375 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,376 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 14:13:00,376 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 14:13:00,376 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 14:13:00,376 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,380 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:13:00,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,382 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,384 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,384 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:13:00,385 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,385 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:13:00,385 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,385 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,386 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,386 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,386 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:13:00,386 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,388 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 14:13:00,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,391 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,393 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,394 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:13:00,394 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,394 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:13:00,394 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,395 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:13:00,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:13:00,396 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,397 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-25 14:13:00,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:13:00,403 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:13:00,410 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:13:00,410 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:13:00,410 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:13:00,411 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 14:13:00,411 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:13:00,411 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:13:00,411 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:13:00,411 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:13:00,412 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:13:00,412 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:13:00,474 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 14:13:00,474 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555803461]
[2020-09-25 14:13:00,475 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:13:00,475 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 14:13:00,475 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581218575]
[2020-09-25 14:13:00,476 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 14:13:00,476 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:13:00,477 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 14:13:00,477 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:13:00,477 INFO  L87              Difference]: Start difference. First operand 353 states and 391 transitions. Second operand 11 states.
[2020-09-25 14:13:01,235 WARN  L193               SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:13:02,456 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:02,785 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:13:03,121 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:03,458 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:13:03,778 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:04,048 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:13:04,048 INFO  L93              Difference]: Finished difference Result 543 states and 630 transitions.
[2020-09-25 14:13:04,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-09-25 14:13:04,049 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 170
[2020-09-25 14:13:04,050 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:13:04,050 INFO  L225             Difference]: With dead ends: 543
[2020-09-25 14:13:04,050 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 14:13:04,052 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420
[2020-09-25 14:13:04,053 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 14:13:04,053 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 14:13:04,053 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 14:13:04,053 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 14:13:04,054 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170
[2020-09-25 14:13:04,054 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:13:04,054 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 14:13:04,054 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 14:13:04,054 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 14:13:04,054 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 14:13:04,055 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 14:13:04,057 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 14:13:04,248 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:04,422 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:04,700 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 13
[2020-09-25 14:13:04,859 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:05,133 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190
[2020-09-25 14:13:05,411 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190
[2020-09-25 14:13:05,785 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190
[2020-09-25 14:13:06,151 WARN  L193               SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:06,801 WARN  L193               SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:07,157 WARN  L193               SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:07,306 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:07,459 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:07,613 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:07,765 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:07,919 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:08,074 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:08,213 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:13:08,366 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:08,527 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:08,675 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:08,828 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:08,976 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:09,125 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:09,273 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:09,421 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:09,571 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:09,724 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:09,877 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:10,026 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:10,181 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:10,330 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:10,484 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:10,638 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:10,791 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:10,941 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:11,094 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:11,249 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:11,403 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:11,556 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:11,708 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:11,966 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 9
[2020-09-25 14:13:12,121 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:12,270 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:12,418 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:12,567 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:12,830 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190
[2020-09-25 14:13:13,092 WARN  L193               SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190
[2020-09-25 14:13:13,442 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190
[2020-09-25 14:13:13,708 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:14,232 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:14,486 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:14,640 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:14,792 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:14,954 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:15,107 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:15,285 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:15,438 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:15,597 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:15,853 WARN  L193               SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 9
[2020-09-25 14:13:16,005 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:16,158 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:16,305 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:16,453 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:16,603 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:16,751 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:16,903 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:17,056 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:17,590 WARN  L193               SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:17,837 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:18,369 WARN  L193               SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 14:13:18,608 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:18,756 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:18,905 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:19,057 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:19,209 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:19,358 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:13:19,604 WARN  L193               SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 9
[2020-09-25 14:13:19,756 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:19,910 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:13:20,158 WARN  L193               SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 9
[2020-09-25 14:13:20,538 WARN  L193               SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11
[2020-09-25 14:13:20,753 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20
[2020-09-25 14:13:21,171 WARN  L193               SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15
[2020-09-25 14:13:21,373 WARN  L193               SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1
[2020-09-25 14:13:21,779 WARN  L193               SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11
[2020-09-25 14:13:22,013 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20
[2020-09-25 14:13:22,271 WARN  L193               SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:13:22,827 WARN  L193               SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20
[2020-09-25 14:13:23,261 WARN  L193               SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12
[2020-09-25 14:13:23,674 WARN  L193               SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11
[2020-09-25 14:13:24,113 WARN  L193               SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12
[2020-09-25 14:13:24,378 WARN  L193               SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20