/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 04:10:08,277 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 04:10:08,280 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 04:10:08,308 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 04:10:08,309 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 04:10:08,310 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 04:10:08,312 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 04:10:08,314 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 04:10:08,316 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 04:10:08,317 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 04:10:08,319 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 04:10:08,320 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 04:10:08,321 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 04:10:08,322 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 04:10:08,323 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 04:10:08,325 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 04:10:08,326 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 04:10:08,327 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 04:10:08,329 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 04:10:08,333 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 04:10:08,337 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 04:10:08,338 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 04:10:08,342 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 04:10:08,344 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 04:10:08,346 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 04:10:08,347 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 04:10:08,350 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 04:10:08,351 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 04:10:08,351 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 04:10:08,355 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 04:10:08,355 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 04:10:08,356 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 04:10:08,358 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 04:10:08,360 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 04:10:08,362 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 04:10:08,362 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 04:10:08,363 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 04:10:08,363 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 04:10:08,363 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 04:10:08,365 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 04:10:08,367 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 04:10:08,368 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 04:10:08,432 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 04:10:08,432 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 04:10:08,437 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 04:10:08,437 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 04:10:08,437 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 04:10:08,437 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 04:10:08,438 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 04:10:08,440 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 04:10:08,440 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 04:10:08,440 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 04:10:08,440 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 04:10:08,441 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 04:10:08,441 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 04:10:08,441 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 04:10:08,442 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 04:10:08,442 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 04:10:08,442 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 04:10:08,442 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 04:10:08,442 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 04:10:08,443 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 04:10:08,443 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 04:10:08,443 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 04:10:08,443 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 04:10:08,443 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 04:10:08,444 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 04:10:08,444 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 04:10:08,444 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 04:10:08,444 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 04:10:08,445 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 04:10:08,445 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true;
[2020-09-25 04:10:08,933 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 04:10:08,958 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 04:10:08,963 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 04:10:08,965 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 04:10:08,967 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 04:10:08,968 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c
[2020-09-25 04:10:09,048 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fec4ac7d6/55a941cb42884688b8082d8931551973/FLAG2cd51aff3
[2020-09-25 04:10:09,675 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 04:10:09,676 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c
[2020-09-25 04:10:09,694 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fec4ac7d6/55a941cb42884688b8082d8931551973/FLAG2cd51aff3
[2020-09-25 04:10:09,964 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fec4ac7d6/55a941cb42884688b8082d8931551973
[2020-09-25 04:10:09,977 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 04:10:09,983 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 04:10:09,987 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 04:10:09,987 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 04:10:09,991 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 04:10:09,993 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:10:09" (1/1) ...
[2020-09-25 04:10:09,997 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a098cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:09, skipping insertion in model container
[2020-09-25 04:10:09,998 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:10:09" (1/1) ...
[2020-09-25 04:10:10,008 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 04:10:10,063 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 04:10:10,436 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:10:10,455 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 04:10:10,741 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:10:10,785 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 04:10:10,787 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10 WrapperNode
[2020-09-25 04:10:10,787 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 04:10:10,787 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 04:10:10,788 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 04:10:10,788 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 04:10:10,803 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (1/1) ...
[2020-09-25 04:10:10,804 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (1/1) ...
[2020-09-25 04:10:10,830 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (1/1) ...
[2020-09-25 04:10:10,831 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (1/1) ...
[2020-09-25 04:10:10,866 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (1/1) ...
[2020-09-25 04:10:10,876 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (1/1) ...
[2020-09-25 04:10:10,881 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (1/1) ...
[2020-09-25 04:10:10,889 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 04:10:10,889 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 04:10:10,889 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 04:10:10,890 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 04:10:10,895 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (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 04:10:11,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 04:10:11,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 04:10:11,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:10:11,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 04:10:11,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 04:10:11,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 04:10:11,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 04:10:11,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 04:10:11,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 04:10:11,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 04:10:11,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 04:10:11,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 04:10:11,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 04:10:11,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 04:10:11,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 04:10:11,009 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 04:10:11,009 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 04:10:11,009 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 04:10:11,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 04:10:11,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 04:10:11,010 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 04:10:11,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 04:10:11,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 04:10:11,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 04:10:11,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 04:10:11,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 04:10:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 04:10:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 04:10:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 04:10:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 04:10:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 04:10:11,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 04:10:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 04:10:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:10:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 04:10:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 04:10:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 04:10:11,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-09-25 04:10:11,014 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 04:10:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 04:10:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 04:10:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 04:10:11,016 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 04:10:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 04:10:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 04:10:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 04:10:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 04:10:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 04:10:11,017 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 04:10:11,018 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 04:10:11,018 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 04:10:11,018 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 04:10:11,019 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 04:10:11,019 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 04:10:11,019 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 04:10:11,019 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 04:10:11,019 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 04:10:11,019 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 04:10:11,020 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-09-25 04:10:11,020 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 04:10:11,020 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 04:10:11,020 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 04:10:11,020 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 04:10:11,021 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 04:10:11,021 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 04:10:11,021 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 04:10:11,021 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 04:10:11,021 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 04:10:11,021 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 04:10:11,022 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 04:10:11,022 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 04:10:11,024 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 04:10:11,024 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 04:10:11,024 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 04:10:11,024 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 04:10:11,025 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 04:10:11,025 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 04:10:11,025 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 04:10:11,025 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 04:10:11,025 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 04:10:11,025 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 04:10:11,025 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:10:11,026 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:10:11,026 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 04:10:11,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 04:10:11,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 04:10:11,026 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 04:10:11,026 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 04:10:11,026 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 04:10:11,027 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 04:10:12,273 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 04:10:12,274 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 04:10:12,289 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:10:12 BoogieIcfgContainer
[2020-09-25 04:10:12,289 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 04:10:12,296 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 04:10:12,296 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 04:10:12,300 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 04:10:12,301 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:10:09" (1/3) ...
[2020-09-25 04:10:12,302 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c374dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:10:12, skipping insertion in model container
[2020-09-25 04:10:12,302 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:10" (2/3) ...
[2020-09-25 04:10:12,303 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c374dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:10:12, skipping insertion in model container
[2020-09-25 04:10:12,303 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:10:12" (3/3) ...
[2020-09-25 04:10:12,306 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c
[2020-09-25 04:10:12,321 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 04:10:12,335 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 04:10:12,361 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 04:10:12,411 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 04:10:12,411 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 04:10:12,411 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 04:10:12,411 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 04:10:12,411 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 04:10:12,412 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 04:10:12,412 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 04:10:12,412 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 04:10:12,455 INFO  L276                IsEmpty]: Start isEmpty. Operand 306 states.
[2020-09-25 04:10:12,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 04:10:12,490 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:10:12,492 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:10:12,493 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:10:12,503 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:10:12,503 INFO  L82        PathProgramCache]: Analyzing trace with hash 1997357688, now seen corresponding path program 1 times
[2020-09-25 04:10:12,516 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:10:12,516 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346152800]
[2020-09-25 04:10:12,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:10:12,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:13,050 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:13,252 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:13,740 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:14,974 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:15,202 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:17,982 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:17,983 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 04:10:17,983 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 04:10:17,984 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5058
[2020-09-25 04:10:17,989 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:17,989 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:17,989 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:17,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 04:10:17,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:17,991 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 04:10:18,555 WARN  L193               SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:10:18,558 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:10:18,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:18,587 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:18,725 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:18,726 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:10:18,726 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:18,727 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 149
[2020-09-25 04:10:18,727 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:18,728 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:18,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:18,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:18,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:18,729 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:18,807 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:10:18,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:18,810 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:18,813 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:18,813 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:18,813 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:18,814 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:18,814 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:18,815 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:18,815 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:18,815 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:18,816 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:18,816 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:18,818 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:10:18,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:18,820 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:18,821 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:18,822 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:18,822 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:18,823 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:18,823 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:18,823 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:18,824 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:18,824 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:18,825 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:18,825 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:18,827 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:10:18,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:18,830 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:18,835 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:18,836 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:18,836 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:18,836 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 04:10:18,836 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:18,837 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:18,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:18,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:18,838 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:18,838 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:18,841 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:10:18,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:18,844 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:18,846 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:18,846 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:18,847 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:18,847 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:18,848 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:18,848 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:18,849 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:18,849 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:18,849 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:18,850 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:18,851 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 04:10:18,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:18,855 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:18,857 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:18,858 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:18,858 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:18,859 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:18,859 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:18,859 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:18,860 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:18,860 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:18,861 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:18,861 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:18,863 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 04:10:18,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:18,867 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:18,869 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:18,870 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:18,870 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:18,871 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:10:18,871 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:18,871 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:18,872 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:18,872 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:18,873 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:18,873 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:18,920 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 04:10:18,922 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346152800]
[2020-09-25 04:10:18,925 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:10:18,926 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 04:10:18,927 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770799698]
[2020-09-25 04:10:18,937 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 04:10:18,937 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:10:18,963 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 04:10:18,964 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 04:10:18,967 INFO  L87              Difference]: Start difference. First operand 306 states. Second operand 3 states.
[2020-09-25 04:10:20,646 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:10:20,647 INFO  L93              Difference]: Finished difference Result 477 states and 566 transitions.
[2020-09-25 04:10:20,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 04:10:20,649 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-09-25 04:10:20,650 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:10:20,670 INFO  L225             Difference]: With dead ends: 477
[2020-09-25 04:10:20,670 INFO  L226             Difference]: Without dead ends: 296
[2020-09-25 04:10:20,677 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 04:10:20,700 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 296 states.
[2020-09-25 04:10:20,785 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 255.
[2020-09-25 04:10:20,787 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 255 states.
[2020-09-25 04:10:20,789 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 276 transitions.
[2020-09-25 04:10:20,792 INFO  L78                 Accepts]: Start accepts. Automaton has 255 states and 276 transitions. Word has length 142
[2020-09-25 04:10:20,793 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:10:20,793 INFO  L479      AbstractCegarLoop]: Abstraction has 255 states and 276 transitions.
[2020-09-25 04:10:20,793 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 04:10:20,793 INFO  L276                IsEmpty]: Start isEmpty. Operand 255 states and 276 transitions.
[2020-09-25 04:10:20,797 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-09-25 04:10:20,797 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:10:20,797 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:10:20,798 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 04:10:20,798 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:10:20,798 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:10:20,798 INFO  L82        PathProgramCache]: Analyzing trace with hash -233302428, now seen corresponding path program 1 times
[2020-09-25 04:10:20,799 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:10:20,799 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049455380]
[2020-09-25 04:10:20,799 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:10:20,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:20,913 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:21,018 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:21,484 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:22,500 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:23,049 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:25,923 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:25,924 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 174
[2020-09-25 04:10:25,924 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 04:10:25,924 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5063
[2020-09-25 04:10:25,924 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:25,925 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:25,925 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:25,925 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 04:10:25,925 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 63
[2020-09-25 04:10:25,926 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,214 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:10:26,215 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:10:26,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:26,276 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:26,479 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:26,480 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:10:26,480 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:26,480 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 235
[2020-09-25 04:10:26,481 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:26,481 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:26,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:26,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:26,482 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 04:10:26,482 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,525 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:10:26,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:26,528 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:26,530 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:26,531 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:26,531 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:26,531 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:26,531 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:26,532 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:26,532 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:26,532 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:26,532 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:10:26,533 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,534 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:10:26,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:26,536 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:26,538 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:26,539 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:26,539 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:26,539 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:26,539 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:26,540 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:26,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:26,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:26,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:10:26,541 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,542 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:10:26,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:26,545 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:26,552 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:26,552 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:26,552 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:26,552 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 04:10:26,553 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:26,553 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:26,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:26,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:26,554 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:10:26,554 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,556 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:10:26,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:26,558 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:26,560 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:26,560 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:26,561 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:26,561 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:26,561 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:26,561 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:26,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:26,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:26,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:10:26,562 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,564 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 04:10:26,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:26,566 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:26,567 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:26,568 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:26,568 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:26,568 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:26,568 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:26,568 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:26,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:26,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:26,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:26,569 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,571 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 04:10:26,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:26,572 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:26,574 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:26,574 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:26,574 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:26,574 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:26,575 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:26,575 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:26,575 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:26,575 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:26,575 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:26,576 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:26,601 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 04:10:26,602 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049455380]
[2020-09-25 04:10:26,602 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:10:26,602 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 04:10:26,603 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209385549]
[2020-09-25 04:10:26,605 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 04:10:26,605 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:10:26,606 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 04:10:26,606 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 04:10:26,606 INFO  L87              Difference]: Start difference. First operand 255 states and 276 transitions. Second operand 4 states.
[2020-09-25 04:10:27,091 WARN  L193               SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 04:10:27,937 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:10:27,938 INFO  L93              Difference]: Finished difference Result 441 states and 507 transitions.
[2020-09-25 04:10:27,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 04:10:27,939 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-09-25 04:10:27,940 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:10:27,943 INFO  L225             Difference]: With dead ends: 441
[2020-09-25 04:10:27,943 INFO  L226             Difference]: Without dead ends: 296
[2020-09-25 04:10:27,945 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 04:10:27,946 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 296 states.
[2020-09-25 04:10:27,997 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 255.
[2020-09-25 04:10:27,998 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 255 states.
[2020-09-25 04:10:28,003 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 275 transitions.
[2020-09-25 04:10:28,004 INFO  L78                 Accepts]: Start accepts. Automaton has 255 states and 275 transitions. Word has length 143
[2020-09-25 04:10:28,006 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:10:28,007 INFO  L479      AbstractCegarLoop]: Abstraction has 255 states and 275 transitions.
[2020-09-25 04:10:28,007 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 04:10:28,007 INFO  L276                IsEmpty]: Start isEmpty. Operand 255 states and 275 transitions.
[2020-09-25 04:10:28,013 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2020-09-25 04:10:28,013 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:10:28,014 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:10:28,014 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 04:10:28,014 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:10:28,014 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:10:28,014 INFO  L82        PathProgramCache]: Analyzing trace with hash 525505504, now seen corresponding path program 1 times
[2020-09-25 04:10:28,015 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:10:28,015 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571676389]
[2020-09-25 04:10:28,015 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:10:28,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:28,109 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:28,233 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:28,757 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:30,177 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:31,133 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:31,283 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:32,218 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,065 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,066 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 04:10:33,066 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 04:10:33,067 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-25 04:10:33,067 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,067 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,068 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 04:10:33,068 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 152
[2020-09-25 04:10:33,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 04:10:33,069 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,415 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:10:33,416 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:10:33,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,432 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,525 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,526 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:10:33,526 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,526 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 101
[2020-09-25 04:10:33,526 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,527 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:33,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:33,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:33,527 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,556 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:10:33,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,558 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,559 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,559 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:33,559 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,559 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:10:33,560 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,560 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:33,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:33,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:33,561 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:33,562 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:10:33,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,564 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,565 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,565 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:33,565 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,566 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:10:33,566 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,566 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:33,566 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:33,567 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:33,567 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,568 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:10:33,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,570 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,572 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,572 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:33,572 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,572 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:33,573 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,573 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,573 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:33,573 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:33,574 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:33,574 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,576 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:10:33,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,578 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,579 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,579 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:33,579 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:10:33,579 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,580 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:33,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:33,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:33,582 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,592 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 04:10:33,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,596 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,604 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,604 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 04:10:33,604 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,605 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 04:10:33,605 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,605 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 04:10:33,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 4
[2020-09-25 04:10:33,606 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 04:10:33,606 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,623 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:10:33,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,626 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,632 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,632 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 04:10:33,632 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,633 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 04:10:33,633 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,633 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 04:10:33,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 04:10:33,634 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 04:10:33,634 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,703 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:10:33,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,706 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,710 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,710 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:33,711 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,711 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:10:33,711 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,711 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,712 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:33,712 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:33,712 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:10:33,712 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,714 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2020-09-25 04:10:33,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,716 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,718 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,718 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:33,719 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,719 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:33,719 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,719 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,720 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:33,720 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:33,720 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:33,720 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,722 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2020-09-25 04:10:33,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:33,735 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:33,737 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:33,737 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:33,737 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:33,737 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:10:33,738 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:33,738 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:33,738 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:33,738 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:33,738 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:33,739 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:33,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 04:10:33,802 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571676389]
[2020-09-25 04:10:33,802 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:10:33,802 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 04:10:33,802 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208010690]
[2020-09-25 04:10:33,804 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 04:10:33,804 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:10:33,805 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 04:10:33,806 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 04:10:33,806 INFO  L87              Difference]: Start difference. First operand 255 states and 275 transitions. Second operand 7 states.
[2020-09-25 04:10:34,301 WARN  L193               SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 04:10:35,843 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:10:37,268 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:10:37,268 INFO  L93              Difference]: Finished difference Result 606 states and 728 transitions.
[2020-09-25 04:10:37,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 04:10:37,269 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 165
[2020-09-25 04:10:37,270 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:10:37,275 INFO  L225             Difference]: With dead ends: 606
[2020-09-25 04:10:37,276 INFO  L226             Difference]: Without dead ends: 461
[2020-09-25 04:10:37,278 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2020-09-25 04:10:37,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 461 states.
[2020-09-25 04:10:37,335 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 378.
[2020-09-25 04:10:37,336 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 378 states.
[2020-09-25 04:10:37,338 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 420 transitions.
[2020-09-25 04:10:37,339 INFO  L78                 Accepts]: Start accepts. Automaton has 378 states and 420 transitions. Word has length 165
[2020-09-25 04:10:37,339 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:10:37,339 INFO  L479      AbstractCegarLoop]: Abstraction has 378 states and 420 transitions.
[2020-09-25 04:10:37,339 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 04:10:37,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 378 states and 420 transitions.
[2020-09-25 04:10:37,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2020-09-25 04:10:37,342 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:10:37,343 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:10:37,343 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 04:10:37,343 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:10:37,343 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:10:37,344 INFO  L82        PathProgramCache]: Analyzing trace with hash -764606084, now seen corresponding path program 1 times
[2020-09-25 04:10:37,344 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:10:37,344 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012460533]
[2020-09-25 04:10:37,344 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:10:37,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:37,445 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:38,430 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:38,537 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:39,141 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:39,331 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:42,401 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:42,402 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 228
[2020-09-25 04:10:42,402 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 04:10:42,402 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5005
[2020-09-25 04:10:42,402 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:42,402 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:42,403 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:10:42,403 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 157
[2020-09-25 04:10:42,403 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 67
[2020-09-25 04:10:42,403 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:42,805 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:10:42,807 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:10:42,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:42,826 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:42,929 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:42,929 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:10:42,929 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:42,930 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 111
[2020-09-25 04:10:42,930 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:42,930 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:42,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:42,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:42,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:42,932 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:42,974 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:10:42,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:42,976 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:42,978 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:42,978 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:42,979 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:42,979 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:42,979 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:42,980 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:42,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:42,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:42,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:42,981 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:42,982 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:10:42,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:42,984 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:42,986 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:42,986 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:42,987 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:42,987 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:42,987 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:42,988 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:42,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:42,988 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:42,989 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:42,989 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:42,990 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:10:42,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:42,993 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:42,995 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:42,995 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:42,995 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:42,996 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:42,996 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:42,996 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:42,997 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:42,997 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:42,998 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:42,998 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:43,000 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:10:43,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,002 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,003 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,004 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:43,004 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:43,004 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:43,005 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,005 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,005 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:43,006 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,006 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:43,006 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:43,022 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 04:10:43,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,029 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,037 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,119 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,120 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 04:10:43,120 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 04:10:43,121 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 93
[2020-09-25 04:10:43,121 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,122 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,122 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:43,122 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,123 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 04:10:43,123 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:43,129 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:10:43,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,136 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,155 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,155 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 04:10:43,156 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:43,156 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 04:10:43,157 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,157 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:43,158 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,158 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 04:10:43,159 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:43,166 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:10:43,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,172 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,187 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,187 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 04:10:43,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:43,188 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 04:10:43,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,189 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:43,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 04:10:43,191 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:43,195 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 04:10:43,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,197 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,199 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,200 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 04:10:43,200 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:43,201 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:43,201 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,202 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:43,203 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,203 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:43,203 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:43,206 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 04:10:43,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,209 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,212 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,212 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:43,213 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:43,213 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:43,213 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,214 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,214 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:43,215 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,215 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:10:43,216 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:10:43,222 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2020-09-25 04:10:43,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,225 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,229 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,229 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:43,229 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:43,230 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:10:43,230 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,231 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,231 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:10:43,231 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:10:43,232 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:43,234 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2020-09-25 04:10:43,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:43,238 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:43,246 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:43,246 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:43,247 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:43,247 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 04:10:43,247 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:43,248 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:43,248 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 04:10:43,249 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:43,249 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:10:43,249 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:43,347 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 04:10:43,348 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012460533]
[2020-09-25 04:10:43,348 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:10:43,348 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 04:10:43,349 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368422172]
[2020-09-25 04:10:43,350 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 04:10:43,350 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:10:43,351 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 04:10:43,351 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 04:10:43,351 INFO  L87              Difference]: Start difference. First operand 378 states and 420 transitions. Second operand 9 states.
[2020-09-25 04:10:44,047 WARN  L193               SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:10:45,497 WARN  L193               SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 04:10:45,775 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 04:10:46,109 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:10:46,417 WARN  L193               SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 04:10:46,736 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:10:47,109 WARN  L193               SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 04:10:47,447 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:10:47,779 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 04:10:48,781 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:10:48,781 INFO  L93              Difference]: Finished difference Result 454 states and 528 transitions.
[2020-09-25 04:10:48,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 04:10:48,782 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 189
[2020-09-25 04:10:48,783 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:10:48,787 INFO  L225             Difference]: With dead ends: 454
[2020-09-25 04:10:48,787 INFO  L226             Difference]: Without dead ends: 451
[2020-09-25 04:10:48,788 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 04:10:48,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2020-09-25 04:10:48,835 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 378.
[2020-09-25 04:10:48,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 378 states.
[2020-09-25 04:10:48,838 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions.
[2020-09-25 04:10:48,838 INFO  L78                 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 189
[2020-09-25 04:10:48,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:10:48,839 INFO  L479      AbstractCegarLoop]: Abstraction has 378 states and 419 transitions.
[2020-09-25 04:10:48,839 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 04:10:48,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions.
[2020-09-25 04:10:48,842 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 04:10:48,842 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:10:48,842 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:10:48,842 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 04:10:48,843 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:10:48,843 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:10:48,843 INFO  L82        PathProgramCache]: Analyzing trace with hash -971340205, now seen corresponding path program 1 times
[2020-09-25 04:10:48,843 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:10:48,844 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431433506]
[2020-09-25 04:10:48,844 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:10:48,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:48,943 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:49,369 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:53,909 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:53,910 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 04:10:53,910 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 04:10:53,910 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5017
[2020-09-25 04:10:53,911 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:53,911 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:53,911 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:10:53,911 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 177
[2020-09-25 04:10:53,911 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:10:53,911 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:54,210 WARN  L193               SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:10:54,211 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:10:54,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,227 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,310 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,310 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:10:54,310 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,310 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 90
[2020-09-25 04:10:54,311 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,311 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,311 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,311 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:54,311 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,311 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:54,346 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:10:54,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,348 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,349 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,349 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:54,349 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,349 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:10:54,349 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,350 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:54,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,351 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:54,352 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:10:54,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,354 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,355 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,356 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:54,356 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,356 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:54,356 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,357 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:54,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,357 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:54,359 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:10:54,359 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,362 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,365 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,365 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:54,366 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,366 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:10:54,366 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,366 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,366 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,367 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:54,367 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,367 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:54,369 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:10:54,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,371 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,372 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,372 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:10:54,372 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,372 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:10:54,373 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,373 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:54,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,374 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:54,383 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 04:10:54,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,392 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,461 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,461 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-25 04:10:54,461 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,461 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 73
[2020-09-25 04:10:54,461 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,462 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:10:54,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 04:10:54,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:10:54,462 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:54,467 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:10:54,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,478 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,525 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,525 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 04:10:54,525 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,526 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 51
[2020-09-25 04:10:54,526 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,526 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,526 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:10:54,526 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 04:10:54,526 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:10:54,526 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:54,547 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:10:54,550 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,553 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,578 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,578 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 04:10:54,579 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 27
[2020-09-25 04:10:54,579 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,579 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 04:10:54,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:54,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 04:10:54,580 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:54,640 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 04:10:54,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,642 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,645 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,645 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 04:10:54,646 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,646 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:54,646 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,646 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,646 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,646 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:10:54,647 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,647 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:54,649 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 04:10:54,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,651 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,653 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,653 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:10:54,653 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,653 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:10:54,654 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,654 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,654 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,654 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 04:10:54,655 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,655 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:10:54,658 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 04:10:54,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,661 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,662 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,662 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:54,662 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,663 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:54,663 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,663 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,663 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,663 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:54,664 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,664 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:54,665 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 04:10:54,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:10:54,667 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:10:54,668 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:10:54,669 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:10:54,669 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:10:54,669 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:10:54,669 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:10:54,669 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:10:54,669 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:10:54,670 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:10:54,670 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:10:54,670 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:10:54,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 04:10:54,728 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431433506]
[2020-09-25 04:10:54,728 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:10:54,728 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 04:10:54,728 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998164257]
[2020-09-25 04:10:54,729 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 04:10:54,729 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:10:54,730 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 04:10:54,730 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 04:10:54,730 INFO  L87              Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states.
[2020-09-25 04:10:56,078 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 04:10:56,395 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:10:56,738 WARN  L193               SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194