/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 06:32:20,922 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 06:32:20,926 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 06:32:20,966 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 06:32:20,970 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 06:32:20,971 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 06:32:20,977 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 06:32:20,981 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 06:32:20,986 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 06:32:20,991 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 06:32:20,992 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 06:32:20,996 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 06:32:20,996 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 06:32:20,999 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 06:32:21,001 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 06:32:21,004 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 06:32:21,005 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 06:32:21,007 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 06:32:21,011 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 06:32:21,014 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 06:32:21,020 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 06:32:21,026 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 06:32:21,028 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 06:32:21,029 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 06:32:21,032 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 06:32:21,033 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 06:32:21,033 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 06:32:21,037 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 06:32:21,037 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 06:32:21,040 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 06:32:21,040 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 06:32:21,041 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 06:32:21,042 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 06:32:21,043 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 06:32:21,044 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 06:32:21,044 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 06:32:21,045 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 06:32:21,046 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 06:32:21,046 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 06:32:21,047 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 06:32:21,049 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 06:32:21,050 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 06:32:21,098 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 06:32:21,098 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 06:32:21,100 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 06:32:21,101 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 06:32:21,101 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 06:32:21,101 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 06:32:21,102 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 06:32:21,102 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 06:32:21,102 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 06:32:21,102 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 06:32:21,103 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 06:32:21,104 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 06:32:21,104 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 06:32:21,105 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 06:32:21,105 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 06:32:21,105 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 06:32:21,105 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 06:32:21,106 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 06:32:21,106 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 06:32:21,106 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 06:32:21,106 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 06:32:21,106 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:32:21,107 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 06:32:21,107 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 06:32:21,107 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 06:32:21,107 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 06:32:21,107 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 06:32:21,108 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 06:32:21,108 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 06:32:21,108 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
[2020-09-25 06:32:21,555 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 06:32:21,573 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 06:32:21,578 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 06:32:21,580 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 06:32:21,581 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 06:32:21,582 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c
[2020-09-25 06:32:21,665 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8837faaf3/cb7eb6fa45684721bdafeda165dcf3c0/FLAGc9fc374e7
[2020-09-25 06:32:22,283 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 06:32:22,284 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c
[2020-09-25 06:32:22,301 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8837faaf3/cb7eb6fa45684721bdafeda165dcf3c0/FLAGc9fc374e7
[2020-09-25 06:32:22,545 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8837faaf3/cb7eb6fa45684721bdafeda165dcf3c0
[2020-09-25 06:32:22,561 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 06:32:22,567 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 06:32:22,568 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 06:32:22,568 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 06:32:22,572 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 06:32:22,574 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:22" (1/1) ...
[2020-09-25 06:32:22,578 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 06:32:22, skipping insertion in model container
[2020-09-25 06:32:22,579 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:22" (1/1) ...
[2020-09-25 06:32:22,586 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 06:32:22,646 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 06:32:23,049 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:32:23,176 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 06:32:23,290 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:32:23,333 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 06:32:23,334 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23 WrapperNode
[2020-09-25 06:32:23,334 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 06:32:23,335 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 06:32:23,335 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 06:32:23,336 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 06:32:23,355 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
[2020-09-25 06:32:23,356 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
[2020-09-25 06:32:23,378 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
[2020-09-25 06:32:23,379 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
[2020-09-25 06:32:23,412 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
[2020-09-25 06:32:23,425 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
[2020-09-25 06:32:23,430 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
[2020-09-25 06:32:23,438 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 06:32:23,439 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 06:32:23,439 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 06:32:23,439 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 06:32:23,441 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:32:23,526 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 06:32:23,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 06:32:23,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:32:23,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-25 06:32:23,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-25 06:32:23,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-25 06:32:23,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 06:32:23,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 06:32:23,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 06:32:23,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 06:32:23,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 06:32:23,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 06:32:23,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 06:32:23,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 06:32:23,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 06:32:23,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 06:32:23,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 06:32:23,532 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 06:32:23,532 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 06:32:23,532 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 06:32:23,532 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 06:32:23,533 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 06:32:23,533 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 06:32:23,533 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 06:32:23,533 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 06:32:23,534 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 06:32:23,534 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 06:32:23,535 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 06:32:23,535 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 06:32:23,535 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 06:32:23,535 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 06:32:23,535 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 06:32:23,535 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 06:32:23,536 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 06:32:23,536 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 06:32:23,536 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 06:32:23,536 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 06:32:23,536 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 06:32:23,536 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 06:32:23,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 06:32:23,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 06:32:23,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 06:32:23,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:32:23,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 06:32:23,539 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 06:32:23,539 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 06:32:23,539 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 06:32:23,539 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 06:32:23,539 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 06:32:23,540 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 06:32:23,540 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 06:32:23,540 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 06:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-25 06:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-25 06:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-25 06:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 06:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 06:32:23,541 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 06:32:23,542 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 06:32:23,542 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 06:32:23,542 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 06:32:23,542 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 06:32:23,542 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 06:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 06:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 06:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 06:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 06:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 06:32:23,543 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 06:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 06:32:23,544 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 06:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 06:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 06:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 06:32:23,546 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 06:32:23,547 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 06:32:23,547 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 06:32:23,547 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 06:32:23,547 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 06:32:23,547 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 06:32:23,547 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 06:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 06:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 06:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 06:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 06:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 06:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 06:32:23,548 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 06:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 06:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 06:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 06:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 06:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 06:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 06:32:23,549 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 06:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 06:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 06:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 06:32:23,550 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 06:32:23,551 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 06:32:23,551 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 06:32:23,551 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 06:32:23,551 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 06:32:23,551 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 06:32:24,787 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 06:32:24,788 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 06:32:24,796 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:24 BoogieIcfgContainer
[2020-09-25 06:32:24,796 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 06:32:24,798 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 06:32:24,798 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 06:32:24,802 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 06:32:24,802 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:32:22" (1/3) ...
[2020-09-25 06:32:24,803 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e25b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:24, skipping insertion in model container
[2020-09-25 06:32:24,803 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:23" (2/3) ...
[2020-09-25 06:32:24,803 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e25b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:24, skipping insertion in model container
[2020-09-25 06:32:24,804 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:24" (3/3) ...
[2020-09-25 06:32:24,806 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c
[2020-09-25 06:32:24,818 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 06:32:24,828 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 06:32:24,849 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 06:32:24,878 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 06:32:24,879 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 06:32:24,879 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 06:32:24,879 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 06:32:24,879 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 06:32:24,879 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 06:32:24,879 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 06:32:24,880 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 06:32:24,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 369 states.
[2020-09-25 06:32:24,930 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 06:32:24,931 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:24,933 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:32:24,933 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:24,941 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:24,942 INFO  L82        PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times
[2020-09-25 06:32:24,955 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:24,955 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923370467]
[2020-09-25 06:32:24,956 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:25,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:25,472 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:25,660 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:27,079 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:27,203 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:30,387 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:30,388 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-25 06:32:30,388 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 06:32:30,389 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5041
[2020-09-25 06:32:30,394 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:30,394 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:30,394 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:30,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 136
[2020-09-25 06:32:30,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:30,396 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 06:32:30,817 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:30,820 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:30,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:30,848 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:30,955 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:30,955 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:30,956 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:30,956 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 117
[2020-09-25 06:32:30,956 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:30,957 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:30,957 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:30,957 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:30,957 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:30,958 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,037 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:31,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,041 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,044 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,045 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:31,045 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,045 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 06:32:31,045 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,045 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,046 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,046 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:31,046 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,046 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,050 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:31,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,052 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,053 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,054 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:31,054 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,054 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:31,054 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,055 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,055 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,055 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:31,055 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,056 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,061 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:31,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,063 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,068 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,068 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:31,069 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,069 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:31,069 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,070 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,071 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:31,071 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,071 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,074 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:31,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,077 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,079 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,079 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:31,079 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,080 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:31,080 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,080 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,080 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,080 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:31,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,081 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,092 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:31,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,094 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,096 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,097 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:31,097 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,098 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:31,098 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,098 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:31,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,100 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,103 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 06:32:31,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,112 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,114 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,115 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:31,115 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,115 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:31,116 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,116 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 06:32:31,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,118 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:32:31,124 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:31,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,127 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,130 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,131 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:31,131 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,132 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:31,133 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,138 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:31,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,139 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 06:32:31,151 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 06:32:31,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,154 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,156 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,157 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:31,157 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,157 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:31,157 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,158 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,158 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,158 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:31,158 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,159 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,160 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 06:32:31,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,163 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,165 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,166 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:31,166 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:31,166 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:31,166 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,167 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:31,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:31,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:31,168 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:31,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 06:32:31,249 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923370467]
[2020-09-25 06:32:31,251 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:31,252 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 06:32:31,253 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102764768]
[2020-09-25 06:32:31,264 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 06:32:31,265 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:31,284 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 06:32:31,285 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 06:32:31,288 INFO  L87              Difference]: Start difference. First operand 369 states. Second operand 4 states.
[2020-09-25 06:32:33,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:33,003 INFO  L93              Difference]: Finished difference Result 604 states and 711 transitions.
[2020-09-25 06:32:33,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 06:32:33,005 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-09-25 06:32:33,006 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:33,026 INFO  L225             Difference]: With dead ends: 604
[2020-09-25 06:32:33,026 INFO  L226             Difference]: Without dead ends: 371
[2020-09-25 06:32:33,033 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 06:32:33,056 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 371 states.
[2020-09-25 06:32:33,147 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 318.
[2020-09-25 06:32:33,148 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 318 states.
[2020-09-25 06:32:33,151 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 350 transitions.
[2020-09-25 06:32:33,153 INFO  L78                 Accepts]: Start accepts. Automaton has 318 states and 350 transitions. Word has length 160
[2020-09-25 06:32:33,154 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:33,155 INFO  L479      AbstractCegarLoop]: Abstraction has 318 states and 350 transitions.
[2020-09-25 06:32:33,155 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 06:32:33,155 INFO  L276                IsEmpty]: Start isEmpty. Operand 318 states and 350 transitions.
[2020-09-25 06:32:33,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 06:32:33,160 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:33,161 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:32:33,161 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 06:32:33,161 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:33,162 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:33,162 INFO  L82        PathProgramCache]: Analyzing trace with hash -1396350800, now seen corresponding path program 1 times
[2020-09-25 06:32:33,162 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:33,162 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921392767]
[2020-09-25 06:32:33,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:33,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:33,273 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:33,375 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:35,024 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:35,472 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:36,503 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,249 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,249 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 198
[2020-09-25 06:32:38,249 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 06:32:38,250 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5028
[2020-09-25 06:32:38,250 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,250 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,250 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:38,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 06:32:38,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 06:32:38,251 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,535 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:38,537 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:38,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,558 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,649 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,649 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:38,650 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,650 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 99
[2020-09-25 06:32:38,650 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,650 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:38,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,651 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,682 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:38,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,684 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,685 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,686 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:38,686 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,686 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:38,686 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,687 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,687 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,687 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:38,687 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,688 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,689 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:38,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,690 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,691 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,691 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:38,692 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,692 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:32:38,692 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,696 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,696 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,696 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:38,696 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,697 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 06:32:38,698 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:38,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,701 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,709 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,709 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:38,709 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,710 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 06:32:38,710 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,710 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:38,711 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,711 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,713 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:38,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,715 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,716 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,716 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:38,716 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,716 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:32:38,720 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,720 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,720 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,721 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:38,721 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,721 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,729 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:38,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,731 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,732 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,733 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:38,733 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,733 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:38,733 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,734 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,735 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,735 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:38,735 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,735 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,737 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 06:32:38,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,740 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,742 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,742 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:38,742 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,742 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:38,743 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,743 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,743 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,743 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 06:32:38,743 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,744 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:38,745 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:38,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,747 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,749 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,749 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:38,749 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,750 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:38,750 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,750 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,750 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,750 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:38,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,751 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,752 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 06:32:38,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,755 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,756 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,757 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:38,757 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,757 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:38,757 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,757 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:38,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,758 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:38,760 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 06:32:38,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:38,762 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:38,763 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:38,764 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:38,764 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:38,764 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:38,764 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:38,764 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:38,765 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:38,765 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:38,765 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:38,765 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:38,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 06:32:38,795 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921392767]
[2020-09-25 06:32:38,796 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:38,796 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:32:38,796 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144244845]
[2020-09-25 06:32:38,800 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:32:38,800 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:38,801 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:32:38,801 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:32:38,801 INFO  L87              Difference]: Start difference. First operand 318 states and 350 transitions. Second operand 5 states.
[2020-09-25 06:32:39,516 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:32:41,075 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:41,075 INFO  L93              Difference]: Finished difference Result 523 states and 595 transitions.
[2020-09-25 06:32:41,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 06:32:41,076 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 161
[2020-09-25 06:32:41,077 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:41,082 INFO  L225             Difference]: With dead ends: 523
[2020-09-25 06:32:41,082 INFO  L226             Difference]: Without dead ends: 360
[2020-09-25 06:32:41,088 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:32:41,089 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2020-09-25 06:32:41,140 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 308.
[2020-09-25 06:32:41,140 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 308 states.
[2020-09-25 06:32:41,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions.
[2020-09-25 06:32:41,143 INFO  L78                 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 161
[2020-09-25 06:32:41,144 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:41,144 INFO  L479      AbstractCegarLoop]: Abstraction has 308 states and 337 transitions.
[2020-09-25 06:32:41,144 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:32:41,144 INFO  L276                IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions.
[2020-09-25 06:32:41,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-09-25 06:32:41,147 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:41,147 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:32:41,148 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 06:32:41,148 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:41,148 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:41,148 INFO  L82        PathProgramCache]: Analyzing trace with hash -877752548, now seen corresponding path program 1 times
[2020-09-25 06:32:41,149 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:41,149 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879913411]
[2020-09-25 06:32:41,149 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:41,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,295 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,518 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,704 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:43,567 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,249 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,250 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 211
[2020-09-25 06:32:46,250 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 06:32:46,250 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5048
[2020-09-25 06:32:46,250 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,251 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:46,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 153
[2020-09-25 06:32:46,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 06:32:46,251 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,580 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:46,582 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:46,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,599 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,691 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,691 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:46,691 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,692 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 100
[2020-09-25 06:32:46,692 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,692 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,693 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,693 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,760 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:46,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,762 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,763 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,763 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:46,764 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,764 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:32:46,764 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,764 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,764 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,765 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,765 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,765 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,766 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:46,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,768 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,769 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,769 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:46,769 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,770 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:32:46,770 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,770 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,770 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,770 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,771 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,772 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:46,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,774 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,778 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,779 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:46,779 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,779 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:46,779 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,780 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,780 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,782 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:46,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,784 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,785 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,785 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:46,785 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,785 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:32:46,786 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,786 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,786 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,786 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,786 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,787 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,800 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:46,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,802 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,803 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,803 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:46,803 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,804 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:46,804 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,804 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,804 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,804 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,805 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,805 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,814 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 06:32:46,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,817 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,819 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,819 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:46,820 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,820 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:46,820 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,820 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:46,821 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,821 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 06:32:46,821 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,824 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 06:32:46,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,828 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,831 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,832 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:46,832 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,832 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:46,832 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,832 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:46,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 06:32:46,833 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,836 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:46,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,837 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,839 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,839 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:46,839 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,839 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:46,840 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,840 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,840 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,840 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:46,840 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,841 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,842 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 06:32:46,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,845 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,846 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,847 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:46,847 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,847 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:46,847 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,847 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,848 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,848 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:46,848 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,848 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,850 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2020-09-25 06:32:46,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:46,852 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:46,854 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:46,854 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:46,854 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:46,855 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:46,855 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:46,855 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:46,855 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:46,855 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:46,856 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:46,856 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:46,934 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 06:32:46,935 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879913411]
[2020-09-25 06:32:46,935 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:46,935 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 06:32:46,936 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532714644]
[2020-09-25 06:32:46,936 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 06:32:46,937 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:46,937 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 06:32:46,937 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 06:32:46,937 INFO  L87              Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 6 states.
[2020-09-25 06:32:47,479 WARN  L193               SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 06:32:50,145 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:50,145 INFO  L93              Difference]: Finished difference Result 780 states and 907 transitions.
[2020-09-25 06:32:50,146 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 06:32:50,146 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 174
[2020-09-25 06:32:50,147 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:50,153 INFO  L225             Difference]: With dead ends: 780
[2020-09-25 06:32:50,153 INFO  L226             Difference]: Without dead ends: 587
[2020-09-25 06:32:50,154 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-09-25 06:32:50,155 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 587 states.
[2020-09-25 06:32:50,234 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 491.
[2020-09-25 06:32:50,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 491 states.
[2020-09-25 06:32:50,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 550 transitions.
[2020-09-25 06:32:50,238 INFO  L78                 Accepts]: Start accepts. Automaton has 491 states and 550 transitions. Word has length 174
[2020-09-25 06:32:50,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:50,239 INFO  L479      AbstractCegarLoop]: Abstraction has 491 states and 550 transitions.
[2020-09-25 06:32:50,239 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 06:32:50,239 INFO  L276                IsEmpty]: Start isEmpty. Operand 491 states and 550 transitions.
[2020-09-25 06:32:50,242 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2020-09-25 06:32:50,242 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:50,242 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:32:50,243 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 06:32:50,243 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:50,243 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:50,243 INFO  L82        PathProgramCache]: Analyzing trace with hash -827236399, now seen corresponding path program 1 times
[2020-09-25 06:32:50,244 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:50,244 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296796483]
[2020-09-25 06:32:50,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:50,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:50,349 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:50,562 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:51,050 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:53,339 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:55,333 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:55,333 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 216
[2020-09-25 06:32:55,333 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 06:32:55,333 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5037
[2020-09-25 06:32:55,334 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:55,334 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:55,334 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 06:32:55,334 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 157
[2020-09-25 06:32:55,334 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 54
[2020-09-25 06:32:55,335 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:55,784 WARN  L193               SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:55,789 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:55,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:55,837 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:55,951 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:55,952 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:55,952 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:55,953 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 133
[2020-09-25 06:32:55,953 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:55,953 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:55,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:55,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:55,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:55,954 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:55,996 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:55,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:55,998 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,000 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,000 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:56,000 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,001 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:56,001 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,002 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,002 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:56,002 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,003 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:56,003 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,004 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:56,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,006 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,008 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,008 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:56,009 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,009 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:56,009 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,010 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:56,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:56,011 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,012 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:56,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,014 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,017 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,017 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:56,017 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,018 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:56,018 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,018 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,019 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:56,019 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,019 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:56,020 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,022 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:56,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,024 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,026 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,026 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:56,026 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,027 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:56,027 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,027 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:56,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:56,029 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,045 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:56,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,047 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,049 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,049 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:56,050 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,050 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:56,051 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,051 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,051 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:56,052 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,052 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:56,052 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,075 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-09-25 06:32:56,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,079 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,084 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,084 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 06:32:56,084 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,085 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 06:32:56,085 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,085 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,085 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:56,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 06:32:56,086 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,088 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 06:32:56,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,096 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,105 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,105 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:56,105 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,106 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 06:32:56,106 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,107 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:56,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 06:32:56,108 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,111 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:56,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,113 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,115 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,115 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:56,116 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,116 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:56,117 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,117 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:56,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:56,118 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,121 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 06:32:56,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,124 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,127 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,128 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:56,128 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,129 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:56,129 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,129 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,130 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:56,130 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,130 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:32:56,131 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,133 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166
[2020-09-25 06:32:56,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:56,138 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:56,147 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:56,147 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:56,147 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:56,148 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 06:32:56,148 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:56,148 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:56,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 06:32:56,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:56,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:32:56,149 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:56,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-09-25 06:32:56,239 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296796483]
[2020-09-25 06:32:56,239 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:56,240 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 06:32:56,240 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981131726]
[2020-09-25 06:32:56,241 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 06:32:56,241 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:56,242 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 06:32:56,243 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 06:32:56,244 INFO  L87              Difference]: Start difference. First operand 491 states and 550 transitions. Second operand 10 states.
[2020-09-25 06:32:57,049 WARN  L193               SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 06:32:58,058 WARN  L193               SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 06:32:58,387 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 06:32:59,873 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 06:33:00,178 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 06:33:00,571 WARN  L193               SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 06:33:01,385 WARN  L193               SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 06:33:01,722 WARN  L193               SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 197
[2020-09-25 06:33:02,071 WARN  L193               SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 06:33:03,048 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:33:03,048 INFO  L93              Difference]: Finished difference Result 1184 states and 1411 transitions.
[2020-09-25 06:33:03,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 06:33:03,049 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 179
[2020-09-25 06:33:03,049 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:33:03,056 INFO  L225             Difference]: With dead ends: 1184
[2020-09-25 06:33:03,056 INFO  L226             Difference]: Without dead ends: 808
[2020-09-25 06:33:03,058 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-25 06:33:03,060 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 808 states.
[2020-09-25 06:33:03,150 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 721.
[2020-09-25 06:33:03,150 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 721 states.
[2020-09-25 06:33:03,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 810 transitions.
[2020-09-25 06:33:03,156 INFO  L78                 Accepts]: Start accepts. Automaton has 721 states and 810 transitions. Word has length 179
[2020-09-25 06:33:03,156 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:33:03,157 INFO  L479      AbstractCegarLoop]: Abstraction has 721 states and 810 transitions.
[2020-09-25 06:33:03,157 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 06:33:03,157 INFO  L276                IsEmpty]: Start isEmpty. Operand 721 states and 810 transitions.
[2020-09-25 06:33:03,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2020-09-25 06:33:03,161 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:33:03,161 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:33:03,162 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 06:33:03,162 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:33:03,162 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:33:03,162 INFO  L82        PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times
[2020-09-25 06:33:03,163 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:33:03,163 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509836301]
[2020-09-25 06:33:03,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:33:03,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:03,283 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,069 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,069 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 294
[2020-09-25 06:33:04,069 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,069 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 845
[2020-09-25 06:33:04,070 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,070 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:33:04,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 211
[2020-09-25 06:33:04,071 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 06:33:04,071 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,401 WARN  L193               SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:33:04,402 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:33:04,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,422 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,512 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,513 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:33:04,513 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,513 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 99
[2020-09-25 06:33:04,513 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,514 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,514 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:33:04,549 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:33:04,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,550 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,551 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,552 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:33:04,552 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,552 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:33:04,552 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,553 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,553 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,554 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:33:04,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,556 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,557 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,558 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:33:04,558 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,558 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:04,559 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,559 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,559 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,560 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,562 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:33:04,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,564 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,567 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,568 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:33:04,568 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,568 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:33:04,569 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,569 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,570 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,570 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,570 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,572 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:33:04,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,576 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,576 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:33:04,576 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,576 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:04,577 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,577 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,577 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,577 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,578 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,578 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,585 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:33:04,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,588 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,589 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,590 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:33:04,590 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,590 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:04,590 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,591 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,591 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,599 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 06:33:04,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,601 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,603 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,603 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:33:04,604 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,604 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:04,604 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,604 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,605 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,606 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 06:33:04,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,609 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,610 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,610 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:33:04,610 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,611 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:04,611 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,611 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,612 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,612 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,612 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,612 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,614 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:33:04,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,616 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,617 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,618 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:33:04,618 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,618 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:04,619 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,619 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:04,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:04,620 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:04,620 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,631 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 06:33:04,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,650 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,747 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,747 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:33:04,748 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,748 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 109
[2020-09-25 06:33:04,748 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,748 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,748 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:33:04,749 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 06:33:04,749 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 06:33:04,749 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,757 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:33:04,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,770 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,862 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,863 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 79
[2020-09-25 06:33:04,863 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,863 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 99
[2020-09-25 06:33:04,863 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,863 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,864 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:33:04,864 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 06:33:04,864 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 06:33:04,864 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,871 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:33:04,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:04,883 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:04,969 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:04,970 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 06:33:04,970 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:04,970 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 93
[2020-09-25 06:33:04,971 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:04,971 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:04,971 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:33:04,971 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 06:33:04,971 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 06:33:04,972 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:04,994 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:33:04,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,000 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,025 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,026 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 06:33:05,026 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,026 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-25 06:33:05,026 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,026 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,027 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 06:33:05,027 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:05,027 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 06:33:05,027 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,097 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 06:33:05,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,100 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,105 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,105 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:33:05,105 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,106 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 06:33:05,106 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,106 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,106 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:05,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:05,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:05,107 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,110 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 06:33:05,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,117 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,129 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,129 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 06:33:05,129 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,130 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 16
[2020-09-25 06:33:05,130 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,130 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,130 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:05,130 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 06:33:05,131 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:05,131 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,134 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 06:33:05,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,137 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,139 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,139 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 06:33:05,139 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,139 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:05,140 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,140 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:05,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:05,141 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:05,141 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,143 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 06:33:05,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,146 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,148 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,148 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:33:05,149 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,149 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:33:05,149 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,149 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:05,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:05,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:05,150 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,154 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-25 06:33:05,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,156 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,158 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,158 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:33:05,158 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,158 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:05,159 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,159 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,159 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:05,159 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:33:05,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:05,160 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,170 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216
[2020-09-25 06:33:05,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,172 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,174 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,174 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:33:05,175 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,175 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:05,175 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,175 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,175 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:05,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:33:05,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:05,176 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,177 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226
[2020-09-25 06:33:05,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:33:05,180 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:33:05,181 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:33:05,182 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:33:05,182 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:33:05,182 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:33:05,182 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:33:05,183 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:33:05,183 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:33:05,183 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:33:05,183 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:33:05,183 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:33:05,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 06:33:05,234 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509836301]
[2020-09-25 06:33:05,234 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:33:05,234 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 06:33:05,235 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497530654]
[2020-09-25 06:33:05,235 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 06:33:05,236 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:33:05,236 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 06:33:05,236 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-09-25 06:33:05,236 INFO  L87              Difference]: Start difference. First operand 721 states and 810 transitions. Second operand 11 states.
[2020-09-25 06:33:07,059 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 06:33:07,422 WARN  L193               SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 06:33:07,836 WARN  L193               SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 197
[2020-09-25 06:33:08,163 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:33:08,496 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 06:33:08,789 WARN  L193               SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190