/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_product57.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 06:31:58,666 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 06:31:58,671 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 06:31:58,719 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 06:31:58,720 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 06:31:58,732 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 06:31:58,734 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 06:31:58,737 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 06:31:58,740 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 06:31:58,741 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 06:31:58,743 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 06:31:58,746 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 06:31:58,746 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 06:31:58,750 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 06:31:58,754 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 06:31:58,756 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 06:31:58,758 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 06:31:58,759 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 06:31:58,761 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 06:31:58,768 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 06:31:58,772 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 06:31:58,773 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 06:31:58,774 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 06:31:58,775 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 06:31:58,780 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 06:31:58,781 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 06:31:58,781 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 06:31:58,784 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 06:31:58,785 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 06:31:58,787 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 06:31:58,787 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 06:31:58,788 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 06:31:58,789 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 06:31:58,790 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 06:31:58,792 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 06:31:58,792 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 06:31:58,793 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 06:31:58,793 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 06:31:58,794 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 06:31:58,795 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 06:31:58,796 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 06:31:58,797 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 06:31:58,848 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 06:31:58,849 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 06:31:58,851 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 06:31:58,852 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 06:31:58,852 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 06:31:58,852 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 06:31:58,853 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 06:31:58,853 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 06:31:58,853 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 06:31:58,853 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 06:31:58,854 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 06:31:58,854 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 06:31:58,855 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 06:31:58,855 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 06:31:58,855 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 06:31:58,855 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 06:31:58,856 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 06:31:58,856 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 06:31:58,856 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 06:31:58,856 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 06:31:58,857 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 06:31:58,857 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:31:58,857 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 06:31:58,857 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 06:31:58,857 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 06:31:58,858 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 06:31:58,858 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 06:31:58,858 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 06:31:58,858 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 06:31:58,858 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 06:31:59,313 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 06:31:59,343 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 06:31:59,349 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 06:31:59,351 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 06:31:59,351 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 06:31:59,352 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c
[2020-09-25 06:31:59,453 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbd86e6ee/bf6790de42364a37adac89cda99db3aa/FLAG140a8ddd9
[2020-09-25 06:32:00,085 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 06:32:00,086 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c
[2020-09-25 06:32:00,100 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbd86e6ee/bf6790de42364a37adac89cda99db3aa/FLAG140a8ddd9
[2020-09-25 06:32:00,346 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbd86e6ee/bf6790de42364a37adac89cda99db3aa
[2020-09-25 06:32:00,360 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 06:32:00,365 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 06:32:00,366 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 06:32:00,366 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 06:32:00,371 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 06:32:00,372 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:00" (1/1) ...
[2020-09-25 06:32:00,377 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:00, skipping insertion in model container
[2020-09-25 06:32:00,377 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:32:00" (1/1) ...
[2020-09-25 06:32:00,387 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 06:32:00,439 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 06:32:01,058 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:32:01,079 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 06:32:01,156 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:32:01,212 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 06:32:01,213 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01 WrapperNode
[2020-09-25 06:32:01,213 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 06:32:01,214 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 06:32:01,214 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 06:32:01,214 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 06:32:01,230 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (1/1) ...
[2020-09-25 06:32:01,230 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (1/1) ...
[2020-09-25 06:32:01,255 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (1/1) ...
[2020-09-25 06:32:01,256 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (1/1) ...
[2020-09-25 06:32:01,294 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (1/1) ...
[2020-09-25 06:32:01,305 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (1/1) ...
[2020-09-25 06:32:01,310 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (1/1) ...
[2020-09-25 06:32:01,318 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 06:32:01,319 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 06:32:01,319 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 06:32:01,319 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 06:32:01,321 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (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 06:32:01,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 06:32:01,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 06:32:01,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:32:01,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 06:32:01,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 06:32:01,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 06:32:01,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 06:32:01,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 06:32:01,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 06:32:01,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 06:32:01,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 06:32:01,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 06:32:01,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 06:32:01,399 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 06:32:01,399 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 06:32:01,399 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 06:32:01,399 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 06:32:01,399 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 06:32:01,400 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 06:32:01,400 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 06:32:01,400 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 06:32:01,400 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 06:32:01,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 06:32:01,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:32:01,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 06:32:01,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 06:32:01,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 06:32:01,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-25 06:32:01,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-25 06:32:01,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-25 06:32:01,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 06:32:01,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 06:32:01,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 06:32:01,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 06:32:01,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 06:32:01,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 06:32:01,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 06:32:01,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 06:32:01,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 06:32:01,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 06:32:01,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 06:32:01,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 06:32:01,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 06:32:01,404 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 06:32:01,404 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 06:32:01,404 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 06:32:01,404 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 06:32:01,405 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 06:32:01,405 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 06:32:01,405 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 06:32:01,405 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 06:32:01,405 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 06:32:01,406 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 06:32:01,406 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 06:32:01,406 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 06:32:01,406 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 06:32:01,406 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 06:32:01,406 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 06:32:01,406 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-25 06:32:01,407 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 06:32:01,407 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 06:32:01,407 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 06:32:01,407 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 06:32:01,407 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 06:32:01,407 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 06:32:01,408 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 06:32:01,408 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 06:32:01,408 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 06:32:01,408 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 06:32:01,408 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 06:32:01,408 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 06:32:01,409 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 06:32:01,409 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 06:32:01,409 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 06:32:01,409 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 06:32:01,409 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 06:32:01,409 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 06:32:01,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 06:32:01,410 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 06:32:01,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:32:01,410 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:32:01,410 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 06:32:01,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 06:32:01,411 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 06:32:01,411 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 06:32:01,411 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 06:32:01,411 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-25 06:32:01,411 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-25 06:32:01,411 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 06:32:01,411 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 06:32:01,412 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 06:32:01,412 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 06:32:01,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 06:32:01,412 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 06:32:01,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 06:32:01,412 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 06:32:01,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 06:32:01,413 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 06:32:01,413 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 06:32:01,413 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 06:32:02,630 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 06:32:02,630 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 06:32:02,639 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:02 BoogieIcfgContainer
[2020-09-25 06:32:02,639 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 06:32:02,641 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 06:32:02,641 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 06:32:02,645 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 06:32:02,645 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:32:00" (1/3) ...
[2020-09-25 06:32:02,646 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d4234f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:02, skipping insertion in model container
[2020-09-25 06:32:02,646 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:32:01" (2/3) ...
[2020-09-25 06:32:02,647 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d4234f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:02, skipping insertion in model container
[2020-09-25 06:32:02,647 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:02" (3/3) ...
[2020-09-25 06:32:02,649 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c
[2020-09-25 06:32:02,661 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 06:32:02,672 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 06:32:02,694 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 06:32:02,725 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 06:32:02,726 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 06:32:02,726 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 06:32:02,726 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 06:32:02,726 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 06:32:02,727 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 06:32:02,727 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 06:32:02,727 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 06:32:02,756 INFO  L276                IsEmpty]: Start isEmpty. Operand 347 states.
[2020-09-25 06:32:02,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 06:32:02,774 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:02,776 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 06:32:02,777 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:02,785 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:02,786 INFO  L82        PathProgramCache]: Analyzing trace with hash 1833758350, now seen corresponding path program 1 times
[2020-09-25 06:32:02,798 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:02,798 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690145712]
[2020-09-25 06:32:02,799 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:03,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:03,357 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:03,525 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:04,073 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:04,362 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:06,146 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:08,225 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:08,226 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-25 06:32:08,226 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 06:32:08,235 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5047
[2020-09-25 06:32:08,240 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:08,240 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:08,241 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:08,241 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 136
[2020-09-25 06:32:08,241 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:08,241 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 06:32:08,681 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:08,686 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:08,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:08,727 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:08,856 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:08,856 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:08,856 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:08,857 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 140
[2020-09-25 06:32:08,857 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:08,857 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:08,857 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:08,858 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:08,858 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:08,858 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:08,938 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:08,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:08,940 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:08,944 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:08,944 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:08,945 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:08,945 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:08,945 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:08,946 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:08,946 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:08,947 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:08,947 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:08,947 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:08,951 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:08,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:08,954 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:08,957 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:08,958 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:08,958 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:08,958 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:08,959 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:08,959 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:08,960 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:08,960 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:08,960 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:08,961 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:08,963 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:08,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:08,967 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:08,972 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:08,973 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:08,973 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:08,974 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:32:08,974 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:08,974 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:08,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:08,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:08,976 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:08,976 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:08,978 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:08,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:08,982 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:08,986 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:08,986 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:08,987 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:08,987 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:08,988 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:08,988 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:08,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:08,989 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:08,989 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:08,990 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:09,004 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:09,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:09,007 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:09,014 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:09,017 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:09,017 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:09,018 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 06:32:09,018 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:09,018 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:09,019 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:09,019 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:09,020 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:09,022 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 06:32:09,024 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 06:32:09,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:09,033 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:09,042 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:09,042 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:09,042 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:09,043 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 06:32:09,044 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:09,045 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:09,045 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:09,045 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 06:32:09,045 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:09,046 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:09,048 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:09,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:09,051 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:09,054 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:09,054 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:09,055 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:09,055 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:09,055 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:09,056 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:09,056 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:09,057 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:09,057 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:09,057 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:09,065 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 06:32:09,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:09,071 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:09,074 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:09,075 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:09,075 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:09,076 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:09,076 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:09,077 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:09,077 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:09,077 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:09,078 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:09,078 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:09,082 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 06:32:09,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:09,086 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:09,089 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:09,089 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:09,090 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:09,090 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:09,090 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:09,091 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:09,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:09,092 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:09,092 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:09,092 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:09,215 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 06:32:09,216 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690145712]
[2020-09-25 06:32:09,219 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:09,220 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 06:32:09,221 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800841166]
[2020-09-25 06:32:09,231 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 06:32:09,231 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:09,250 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 06:32:09,251 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 06:32:09,255 INFO  L87              Difference]: Start difference. First operand 347 states. Second operand 4 states.
[2020-09-25 06:32:10,895 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:10,895 INFO  L93              Difference]: Finished difference Result 553 states and 641 transitions.
[2020-09-25 06:32:10,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 06:32:10,898 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-09-25 06:32:10,899 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:10,934 INFO  L225             Difference]: With dead ends: 553
[2020-09-25 06:32:10,934 INFO  L226             Difference]: Without dead ends: 342
[2020-09-25 06:32:10,944 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 06:32:10,969 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 342 states.
[2020-09-25 06:32:11,158 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296.
[2020-09-25 06:32:11,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 296 states.
[2020-09-25 06:32:11,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 321 transitions.
[2020-09-25 06:32:11,169 INFO  L78                 Accepts]: Start accepts. Automaton has 296 states and 321 transitions. Word has length 160
[2020-09-25 06:32:11,171 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:11,172 INFO  L479      AbstractCegarLoop]: Abstraction has 296 states and 321 transitions.
[2020-09-25 06:32:11,172 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 06:32:11,172 INFO  L276                IsEmpty]: Start isEmpty. Operand 296 states and 321 transitions.
[2020-09-25 06:32:11,191 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 06:32:11,191 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:11,192 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 06:32:11,193 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 06:32:11,193 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:11,193 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:11,194 INFO  L82        PathProgramCache]: Analyzing trace with hash -1480505140, now seen corresponding path program 1 times
[2020-09-25 06:32:11,194 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:11,194 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539622731]
[2020-09-25 06:32:11,195 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:11,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:11,326 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:11,435 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:11,942 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:12,158 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:14,103 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:16,279 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:16,280 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 198
[2020-09-25 06:32:16,280 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 06:32:16,280 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5013
[2020-09-25 06:32:16,280 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:16,280 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:16,281 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:16,281 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 83
[2020-09-25 06:32:16,281 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 81
[2020-09-25 06:32:16,281 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:16,631 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:16,632 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:16,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:16,710 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:16,942 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:16,942 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:16,942 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:16,942 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 268
[2020-09-25 06:32:16,943 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:16,943 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:16,943 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:16,943 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:16,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 79
[2020-09-25 06:32:16,944 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:16,992 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:16,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:16,994 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,008 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,008 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:17,009 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,009 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 06:32:17,009 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,009 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:17,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:17,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:32:17,010 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,012 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:17,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,014 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,017 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,017 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:17,017 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,017 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:17,018 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,018 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,018 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:17,018 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:17,019 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:32:17,019 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,022 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:17,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,025 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,032 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,032 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:17,032 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,033 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 06:32:17,033 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,037 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,037 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:17,038 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:17,038 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:32:17,038 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 06:32:17,041 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:17,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,043 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,046 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,046 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:17,046 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,046 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:17,046 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,047 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,047 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:17,047 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:17,047 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:32:17,048 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,057 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:17,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,060 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,063 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,063 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:17,064 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,064 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:17,064 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,065 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:17,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:17,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 06:32:17,065 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,068 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 06:32:17,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,073 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,077 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,077 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:17,077 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,078 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:17,078 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,078 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,078 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:17,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:17,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 06:32:17,079 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,081 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:17,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,083 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,085 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,085 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:17,085 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,085 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:17,086 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,086 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:17,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:17,087 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:17,087 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,089 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 06:32:17,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,091 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,094 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,094 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:17,094 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,094 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:17,095 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,095 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:17,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:17,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:17,096 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,097 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 06:32:17,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:17,100 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:17,101 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:17,101 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:17,101 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:17,102 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:17,102 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:17,102 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:17,102 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:17,102 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:17,103 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:17,103 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:17,137 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 06:32:17,138 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539622731]
[2020-09-25 06:32:17,138 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:17,138 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:32:17,139 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384350965]
[2020-09-25 06:32:17,142 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:32:17,142 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:17,142 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:32:17,143 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:32:17,143 INFO  L87              Difference]: Start difference. First operand 296 states and 321 transitions. Second operand 5 states.
[2020-09-25 06:32:17,644 WARN  L193               SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 06:32:18,531 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:18,531 INFO  L93              Difference]: Finished difference Result 523 states and 593 transitions.
[2020-09-25 06:32:18,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 06:32:18,537 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 161
[2020-09-25 06:32:18,538 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:18,545 INFO  L225             Difference]: With dead ends: 523
[2020-09-25 06:32:18,545 INFO  L226             Difference]: Without dead ends: 342
[2020-09-25 06:32:18,548 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 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 06:32:18,551 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 342 states.
[2020-09-25 06:32:18,606 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296.
[2020-09-25 06:32:18,606 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 296 states.
[2020-09-25 06:32:18,608 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 320 transitions.
[2020-09-25 06:32:18,608 INFO  L78                 Accepts]: Start accepts. Automaton has 296 states and 320 transitions. Word has length 161
[2020-09-25 06:32:18,609 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:18,609 INFO  L479      AbstractCegarLoop]: Abstraction has 296 states and 320 transitions.
[2020-09-25 06:32:18,609 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:32:18,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 296 states and 320 transitions.
[2020-09-25 06:32:18,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-09-25 06:32:18,612 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:18,612 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 06:32:18,612 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 06:32:18,613 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:18,613 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:18,613 INFO  L82        PathProgramCache]: Analyzing trace with hash 1356156807, now seen corresponding path program 1 times
[2020-09-25 06:32:18,613 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:18,614 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99476814]
[2020-09-25 06:32:18,614 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:18,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:18,720 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:18,829 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:18,993 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:19,409 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:23,330 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:23,509 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:23,622 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:23,702 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:23,703 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 217
[2020-09-25 06:32:23,703 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 06:32:23,703 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5035
[2020-09-25 06:32:23,703 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:23,703 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:23,704 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:23,707 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 06:32:23,707 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 06:32:23,707 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 06:32:24,011 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:24,013 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:24,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,030 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,118 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,119 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:24,119 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,119 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 97
[2020-09-25 06:32:24,120 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,120 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,121 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,160 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:24,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,161 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,163 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,163 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:24,163 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,164 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:24,164 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,164 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,164 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,164 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,165 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:24,166 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:24,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,167 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,169 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,170 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:24,170 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,170 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:24,170 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,170 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,171 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,172 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:24,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,174 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,178 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,178 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:24,178 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,178 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:24,179 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,179 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,180 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,181 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:24,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,183 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,185 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,185 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:24,185 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,186 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:24,186 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,186 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,186 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,186 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,187 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,187 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,196 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:24,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,198 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,200 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,200 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:24,200 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,201 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:24,201 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,201 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,201 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,201 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,203 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,203 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:32:24,204 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 06:32:24,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,211 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,214 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,214 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:24,214 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,215 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:24,215 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,215 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,216 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,216 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 06:32:24,216 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,217 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,219 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:24,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,225 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,228 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,228 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:24,229 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,229 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:24,229 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,230 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,230 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,230 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,231 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,231 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,245 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 06:32:24,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,251 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,265 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,272 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,273 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 06:32:24,273 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:32:24,273 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 24
[2020-09-25 06:32:24,274 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,274 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,274 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,275 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 19
[2020-09-25 06:32:24,275 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,275 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,278 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:32:24,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,280 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,284 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,285 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 06:32:24,285 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,286 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:24,286 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,286 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,288 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,289 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:32:24,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,293 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,294 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,294 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:24,295 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,295 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:24,295 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,296 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,296 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,297 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:24,297 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,297 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,299 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 06:32:24,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,302 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,304 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,305 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:24,305 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,305 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:24,306 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,306 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,306 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,307 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:24,307 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,307 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,309 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2020-09-25 06:32:24,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:24,312 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:24,314 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:24,315 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:24,315 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:24,315 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:24,316 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:24,316 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:24,316 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:24,317 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:24,317 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:24,317 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:24,373 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 06:32:24,374 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99476814]
[2020-09-25 06:32:24,375 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:24,375 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 06:32:24,375 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862500137]
[2020-09-25 06:32:24,377 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 06:32:24,377 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:24,378 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 06:32:24,380 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 06:32:24,380 INFO  L87              Difference]: Start difference. First operand 296 states and 320 transitions. Second operand 6 states.
[2020-09-25 06:32:25,234 WARN  L193               SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:32:26,410 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:26,411 INFO  L93              Difference]: Finished difference Result 506 states and 572 transitions.
[2020-09-25 06:32:26,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-09-25 06:32:26,413 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 174
[2020-09-25 06:32:26,414 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:26,418 INFO  L225             Difference]: With dead ends: 506
[2020-09-25 06:32:26,418 INFO  L226             Difference]: Without dead ends: 355
[2020-09-25 06:32:26,419 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2020-09-25 06:32:26,420 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 355 states.
[2020-09-25 06:32:26,458 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 286.
[2020-09-25 06:32:26,458 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 286 states.
[2020-09-25 06:32:26,460 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 307 transitions.
[2020-09-25 06:32:26,460 INFO  L78                 Accepts]: Start accepts. Automaton has 286 states and 307 transitions. Word has length 174
[2020-09-25 06:32:26,461 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:26,461 INFO  L479      AbstractCegarLoop]: Abstraction has 286 states and 307 transitions.
[2020-09-25 06:32:26,461 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 06:32:26,461 INFO  L276                IsEmpty]: Start isEmpty. Operand 286 states and 307 transitions.
[2020-09-25 06:32:26,464 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2020-09-25 06:32:26,464 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:26,464 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]
[2020-09-25 06:32:26,464 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 06:32:26,465 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:26,465 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:26,465 INFO  L82        PathProgramCache]: Analyzing trace with hash 861738255, now seen corresponding path program 1 times
[2020-09-25 06:32:26,465 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:26,466 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606190767]
[2020-09-25 06:32:26,466 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:26,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:26,563 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:26,761 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:26,970 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:28,375 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:28,509 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:29,023 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:30,823 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,200 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:31,523 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:31,523 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 224
[2020-09-25 06:32:31,523 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 8
[2020-09-25 06:32:31,523 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5008
[2020-09-25 06:32:31,524 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:31,524 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:31,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:32:31,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 169
[2020-09-25 06:32:31,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 06:32:31,524 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:31,903 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:31,905 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:31,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:31,936 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,036 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,036 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:32,037 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,037 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 109
[2020-09-25 06:32:32,037 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,038 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,038 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,038 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,039 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,039 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,083 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:32,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,085 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,091 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,091 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:32,091 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,092 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:32,092 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,092 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,094 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,095 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:32,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,097 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,099 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,099 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:32,100 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,100 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:32,100 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,101 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,101 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,101 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,102 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,102 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,103 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:32,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,105 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,109 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,109 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:32,110 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,110 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:32:32,110 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,111 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,112 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,114 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:32,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,116 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,118 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,118 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:32,118 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,118 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:32,119 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,119 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,119 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,119 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,120 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,140 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:32,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,143 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,145 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,145 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:32,145 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,146 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:32,146 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,146 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,148 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,150 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 06:32:32,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,153 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,154 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,155 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:32,155 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,155 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:32,156 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,156 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,158 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,160 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:32,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,162 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,164 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,165 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:32,165 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,166 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:32,166 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,166 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,168 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,183 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 06:32:32,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,189 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,199 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,206 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,206 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 06:32:32,207 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:32:32,207 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 06:32:32,207 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,208 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,208 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:32:32,208 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 06:32:32,209 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 06:32:32,209 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,227 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:32:32,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,231 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,237 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,237 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 06:32:32,238 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,238 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:32:32,238 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,238 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 06:32:32,239 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 06:32:32,239 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 06:32:32,240 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,246 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:32:32,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,255 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,260 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,260 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:32,260 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,261 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:32,261 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,261 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,262 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:32,262 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:32,262 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:32:32,263 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,265 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 06:32:32,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,269 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,271 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,271 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:32,271 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,272 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:32,272 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,272 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,272 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,273 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:32,273 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,273 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,275 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2020-09-25 06:32:32,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:32,278 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:32,280 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:32,280 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:32,280 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:32,281 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:32,281 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:32,281 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:32,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:32,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:32:32,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:32,282 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:32,349 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 06:32:32,351 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606190767]
[2020-09-25 06:32:32,351 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:32,351 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 06:32:32,352 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179144947]
[2020-09-25 06:32:32,352 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 06:32:32,352 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:32,353 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 06:32:32,353 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:32:32,353 INFO  L87              Difference]: Start difference. First operand 286 states and 307 transitions. Second operand 7 states.
[2020-09-25 06:32:32,919 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:32:34,822 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:32:35,501 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:35,501 INFO  L93              Difference]: Finished difference Result 642 states and 732 transitions.
[2020-09-25 06:32:35,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 06:32:35,502 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 183
[2020-09-25 06:32:35,503 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:35,506 INFO  L225             Difference]: With dead ends: 642
[2020-09-25 06:32:35,506 INFO  L226             Difference]: Without dead ends: 471
[2020-09-25 06:32:35,507 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240
[2020-09-25 06:32:35,508 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 471 states.
[2020-09-25 06:32:35,553 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 403.
[2020-09-25 06:32:35,553 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 403 states.
[2020-09-25 06:32:35,555 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 436 transitions.
[2020-09-25 06:32:35,556 INFO  L78                 Accepts]: Start accepts. Automaton has 403 states and 436 transitions. Word has length 183
[2020-09-25 06:32:35,556 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:35,556 INFO  L479      AbstractCegarLoop]: Abstraction has 403 states and 436 transitions.
[2020-09-25 06:32:35,556 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 06:32:35,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 403 states and 436 transitions.
[2020-09-25 06:32:35,559 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2020-09-25 06:32:35,559 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:35,560 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]
[2020-09-25 06:32:35,560 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 06:32:35,560 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:35,560 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:35,560 INFO  L82        PathProgramCache]: Analyzing trace with hash 1687407280, now seen corresponding path program 1 times
[2020-09-25 06:32:35,561 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:35,561 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384494805]
[2020-09-25 06:32:35,561 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:35,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:35,656 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:35,794 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:35,980 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:36,466 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:39,605 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:40,609 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:40,609 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 252
[2020-09-25 06:32:40,609 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 06:32:40,609 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5000
[2020-09-25 06:32:40,610 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:40,610 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:40,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 06:32:40,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 175
[2020-09-25 06:32:40,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 72
[2020-09-25 06:32:40,610 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:40,926 WARN  L193               SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:32:40,926 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:40,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:40,943 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,049 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,050 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 06:32:41,050 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,050 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 115
[2020-09-25 06:32:41,050 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,051 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,051 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,051 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,051 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,051 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,087 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 06:32:41,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,090 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,092 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,092 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:41,092 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,092 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:41,093 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,093 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,093 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,093 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:41,095 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 06:32:41,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,097 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,098 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,099 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:41,099 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,099 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:41,099 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,100 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,100 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,101 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 06:32:41,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,103 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,106 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,106 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:41,107 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,107 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:41,107 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,107 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,108 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:41,110 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 06:32:41,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,112 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,113 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,113 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:41,113 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,114 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:32:41,114 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,114 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,114 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,114 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,115 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,126 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 06:32:41,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,128 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,129 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,130 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:32:41,130 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,130 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:32:41,130 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,131 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,131 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,131 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,131 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,131 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,133 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 06:32:41,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,135 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,141 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,141 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 06:32:41,141 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,142 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:32:41,142 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,142 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,142 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,142 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,143 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,143 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,145 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:32:41,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,146 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,148 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,149 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:41,149 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,149 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:41,150 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,150 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,151 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,162 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 06:32:41,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,169 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,175 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,238 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,238 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 06:32:41,239 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:32:41,239 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 72
[2020-09-25 06:32:41,239 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,239 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,239 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:41,239 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 06:32:41,240 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:41,244 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:32:41,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,249 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,264 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,265 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 06:32:41,265 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,265 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 06:32:41,265 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,265 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,265 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:41,266 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,266 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 06:32:41,266 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:41,269 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:32:41,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,274 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,284 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,284 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 06:32:41,284 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,285 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 06:32:41,285 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,285 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:41,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 06:32:41,286 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,288 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 06:32:41,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,290 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,293 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,293 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:32:41,293 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,293 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:41,294 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,294 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:32:41,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,295 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:32:41,295 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:32:41,296 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 06:32:41,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,298 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,300 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,300 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:32:41,300 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,301 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:32:41,301 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,301 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:41,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:32:41,301 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:41,304 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2020-09-25 06:32:41,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,307 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,309 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,309 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:41,309 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,309 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:32:41,309 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,310 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:32:41,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:32:41,310 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:41,312 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194
[2020-09-25 06:32:41,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:41,314 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:32:41,319 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:32:41,319 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:32:41,320 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:32:41,320 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:32:41,320 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:32:41,320 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:32:41,320 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 06:32:41,320 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:32:41,321 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:32:41,321 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:32:41,384 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 06:32:41,385 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384494805]
[2020-09-25 06:32:41,385 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:32:41,385 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 06:32:41,385 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635330437]
[2020-09-25 06:32:41,386 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 06:32:41,386 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:32:41,386 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 06:32:41,386 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 06:32:41,386 INFO  L87              Difference]: Start difference. First operand 403 states and 436 transitions. Second operand 10 states.
[2020-09-25 06:32:41,996 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 06:32:43,197 WARN  L193               SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191
[2020-09-25 06:32:43,786 WARN  L193               SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193
[2020-09-25 06:32:45,116 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 06:32:45,458 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 06:32:45,830 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:32:46,373 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 06:32:46,716 WARN  L193               SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 06:32:47,043 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 06:32:47,834 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:32:47,834 INFO  L93              Difference]: Finished difference Result 758 states and 856 transitions.
[2020-09-25 06:32:47,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2020-09-25 06:32:47,836 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 207
[2020-09-25 06:32:47,836 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:32:47,841 INFO  L225             Difference]: With dead ends: 758
[2020-09-25 06:32:47,841 INFO  L226             Difference]: Without dead ends: 470
[2020-09-25 06:32:47,842 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600
[2020-09-25 06:32:47,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 470 states.
[2020-09-25 06:32:47,889 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 402.
[2020-09-25 06:32:47,889 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 402 states.
[2020-09-25 06:32:47,892 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 433 transitions.
[2020-09-25 06:32:47,892 INFO  L78                 Accepts]: Start accepts. Automaton has 402 states and 433 transitions. Word has length 207
[2020-09-25 06:32:47,893 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:32:47,893 INFO  L479      AbstractCegarLoop]: Abstraction has 402 states and 433 transitions.
[2020-09-25 06:32:47,893 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 06:32:47,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 402 states and 433 transitions.
[2020-09-25 06:32:47,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 231
[2020-09-25 06:32:47,897 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:32:47,898 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]
[2020-09-25 06:32:47,898 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 06:32:47,898 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:32:47,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:32:47,898 INFO  L82        PathProgramCache]: Analyzing trace with hash -1406999212, now seen corresponding path program 1 times
[2020-09-25 06:32:47,899 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:32:47,899 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739721917]
[2020-09-25 06:32:47,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:32:47,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:32:47,997 FATAL L256   erpolLogProxyWrapper]: Now shrinking...