/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_spec5_product49.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 04:14:17,770 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 04:14:17,776 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 04:14:17,824 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 04:14:17,824 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 04:14:17,827 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 04:14:17,828 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 04:14:17,836 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 04:14:17,838 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 04:14:17,839 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 04:14:17,840 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 04:14:17,841 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 04:14:17,841 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 04:14:17,847 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 04:14:17,848 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 04:14:17,850 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 04:14:17,851 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 04:14:17,855 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 04:14:17,857 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 04:14:17,862 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 04:14:17,866 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 04:14:17,868 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 04:14:17,869 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 04:14:17,870 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 04:14:17,875 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 04:14:17,876 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 04:14:17,876 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 04:14:17,879 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 04:14:17,879 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 04:14:17,881 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 04:14:17,882 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-09-25 04:14:17,883 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 04:14:17,884 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 04:14:17,886 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 04:14:17,886 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 04:14:17,887 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 04:14:17,887 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 04:14:17,887 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-25 04:14:17,890 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 04:14:17,891 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 04:14:17,944 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 04:14:17,944 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 04:14:17,946 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 04:14:17,947 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 04:14:17,947 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 04:14:17,947 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 04:14:17,948 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 04:14:17,948 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 04:14:17,948 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 04:14:17,948 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 04:14:17,949 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 04:14:17,950 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 04:14:17,950 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 04:14:17,950 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 04:14:17,950 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 04:14:17,951 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 04:14:17,951 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 04:14:17,951 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 04:14:17,951 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 04:14:17,952 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 04:14:17,952 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 04:14:17,952 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 04:14:17,952 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 04:14:17,952 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 04:14:17,953 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 04:14:17,953 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 04:14:17,953 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 04:14:17,953 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 04:14:17,953 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 04:14:17,954 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 04:14:18,399 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 04:14:18,418 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 04:14:18,422 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 04:14:18,424 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 04:14:18,425 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 04:14:18,426 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c
[2020-09-25 04:14:18,526 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f38e7656c/0d04e29b346b4e148bf665ec881f3d98/FLAG2e15f395d
[2020-09-25 04:14:19,131 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 04:14:19,132 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c
[2020-09-25 04:14:19,147 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f38e7656c/0d04e29b346b4e148bf665ec881f3d98/FLAG2e15f395d
[2020-09-25 04:14:19,421 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f38e7656c/0d04e29b346b4e148bf665ec881f3d98
[2020-09-25 04:14:19,438 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 04:14:19,444 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 04:14:19,449 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 04:14:19,449 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 04:14:19,453 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 04:14:19,455 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,459 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19, skipping insertion in model container
[2020-09-25 04:14:19,460 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,470 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 04:14:19,553 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 04:14:19,996 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:14:20,011 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 04:14:20,194 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:14:20,235 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 04:14:20,235 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20 WrapperNode
[2020-09-25 04:14:20,236 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 04:14:20,237 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 04:14:20,237 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 04:14:20,237 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 04:14:20,253 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (1/1) ...
[2020-09-25 04:14:20,253 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (1/1) ...
[2020-09-25 04:14:20,275 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (1/1) ...
[2020-09-25 04:14:20,276 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (1/1) ...
[2020-09-25 04:14:20,311 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (1/1) ...
[2020-09-25 04:14:20,323 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (1/1) ...
[2020-09-25 04:14:20,329 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (1/1) ...
[2020-09-25 04:14:20,338 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 04:14:20,338 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 04:14:20,338 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 04:14:20,339 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 04:14:20,340 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (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 04:14:20,442 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 04:14:20,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 04:14:20,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:14:20,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 04:14:20,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 04:14:20,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 04:14:20,444 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 04:14:20,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 04:14:20,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 04:14:20,445 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 04:14:20,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 04:14:20,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 04:14:20,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 04:14:20,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 04:14:20,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 04:14:20,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 04:14:20,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 04:14:20,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 04:14:20,448 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 04:14:20,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 04:14:20,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 04:14:20,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 04:14:20,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 04:14:20,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 04:14:20,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 04:14:20,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 04:14:20,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 04:14:20,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 04:14:20,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 04:14:20,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 04:14:20,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 04:14:20,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 04:14:20,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 04:14:20,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 04:14:20,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 04:14:20,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:14:20,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 04:14:20,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 04:14:20,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 04:14:20,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-25 04:14:20,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-25 04:14:20,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-25 04:14:20,454 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 04:14:20,454 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 04:14:20,455 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 04:14:20,455 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 04:14:20,455 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 04:14:20,455 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 04:14:20,455 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 04:14:20,456 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 04:14:20,456 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 04:14:20,456 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 04:14:20,457 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 04:14:20,457 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 04:14:20,457 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 04:14:20,457 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-25 04:14:20,457 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-25 04:14:20,458 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 04:14:20,458 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 04:14:20,458 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 04:14:20,458 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 04:14:20,458 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 04:14:20,459 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 04:14:20,459 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 04:14:20,459 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 04:14:20,459 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 04:14:20,459 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 04:14:20,460 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 04:14:20,460 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 04:14:20,461 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 04:14:20,461 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 04:14:20,463 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 04:14:20,463 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-25 04:14:20,463 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 04:14:20,463 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 04:14:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 04:14:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 04:14:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 04:14:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 04:14:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 04:14:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 04:14:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 04:14:20,466 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 04:14:20,466 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 04:14:20,466 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 04:14:20,466 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 04:14:20,466 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 04:14:20,467 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 04:14:20,467 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 04:14:20,467 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:14:20,467 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:14:20,467 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 04:14:20,467 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 04:14:20,467 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 04:14:20,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 04:14:20,468 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 04:14:20,468 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 04:14:20,468 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 04:14:21,812 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 04:14:21,812 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 04:14:21,820 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:21 BoogieIcfgContainer
[2020-09-25 04:14:21,820 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 04:14:21,822 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 04:14:21,822 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 04:14:21,826 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 04:14:21,826 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:14:19" (1/3) ...
[2020-09-25 04:14:21,827 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e7914d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:21, skipping insertion in model container
[2020-09-25 04:14:21,827 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:20" (2/3) ...
[2020-09-25 04:14:21,828 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e7914d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:21, skipping insertion in model container
[2020-09-25 04:14:21,828 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:21" (3/3) ...
[2020-09-25 04:14:21,830 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c
[2020-09-25 04:14:21,842 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 04:14:21,853 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 04:14:21,874 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 04:14:21,906 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 04:14:21,907 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 04:14:21,907 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 04:14:21,907 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 04:14:21,907 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 04:14:21,907 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 04:14:21,907 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 04:14:21,907 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 04:14:21,937 INFO  L276                IsEmpty]: Start isEmpty. Operand 325 states.
[2020-09-25 04:14:21,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 04:14:21,959 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:21,960 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:14:21,961 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:21,968 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:21,969 INFO  L82        PathProgramCache]: Analyzing trace with hash -1798805574, now seen corresponding path program 1 times
[2020-09-25 04:14:21,980 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:21,980 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501481399]
[2020-09-25 04:14:21,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:22,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:22,510 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:22,716 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:23,307 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:23,560 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:25,286 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,402 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,403 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-25 04:14:27,404 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 04:14:27,404 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5054
[2020-09-25 04:14:27,409 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,418 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,418 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,419 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 136
[2020-09-25 04:14:27,420 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,420 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 15
[2020-09-25 04:14:27,867 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:27,876 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:27,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,918 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,038 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,038 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:28,039 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,039 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 131
[2020-09-25 04:14:28,039 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,039 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:28,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,040 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,125 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:28,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,128 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,133 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,133 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:28,133 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,133 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 04:14:28,134 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,134 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:28,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,135 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,138 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:28,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,141 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,143 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,143 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:28,144 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,144 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:28,144 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,144 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,145 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,145 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:28,145 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,145 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,148 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:28,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,152 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,156 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,156 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:28,157 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,157 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 04:14:28,157 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,157 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,158 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:28,158 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,158 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,160 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:28,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,164 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,166 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,167 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:28,167 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,167 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:28,167 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,167 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,168 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,168 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:28,168 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,168 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,179 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:28,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,182 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,184 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,190 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:28,190 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,191 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:28,191 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,191 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,191 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:28,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,192 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,194 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 04:14:28,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,199 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,204 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,205 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:28,205 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,205 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 04:14:28,206 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,206 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,207 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,207 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 04:14:28,207 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,208 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,213 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:28,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,216 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,227 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,227 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:28,228 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,228 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 04:14:28,229 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,229 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,230 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:28,230 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,230 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,234 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 04:14:28,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,246 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,250 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,251 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:28,251 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,251 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:14:28,252 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,252 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,253 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:28,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,255 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:14:28,257 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 04:14:28,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:28,260 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:28,263 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:28,263 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:28,268 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:28,269 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:28,270 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:28,270 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:28,271 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:28,271 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:28,271 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:28,271 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:28,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:28,353 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501481399]
[2020-09-25 04:14:28,357 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:28,357 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 04:14:28,358 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609814701]
[2020-09-25 04:14:28,370 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 04:14:28,370 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:28,393 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 04:14:28,395 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 04:14:28,399 INFO  L87              Difference]: Start difference. First operand 325 states. Second operand 4 states.
[2020-09-25 04:14:29,885 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:29,886 INFO  L93              Difference]: Finished difference Result 507 states and 593 transitions.
[2020-09-25 04:14:29,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 04:14:29,889 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-09-25 04:14:29,891 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:29,920 INFO  L225             Difference]: With dead ends: 507
[2020-09-25 04:14:29,921 INFO  L226             Difference]: Without dead ends: 318
[2020-09-25 04:14:29,930 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 04:14:29,954 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2020-09-25 04:14:30,068 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274.
[2020-09-25 04:14:30,069 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 274 states.
[2020-09-25 04:14:30,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 298 transitions.
[2020-09-25 04:14:30,074 INFO  L78                 Accepts]: Start accepts. Automaton has 274 states and 298 transitions. Word has length 160
[2020-09-25 04:14:30,075 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:30,075 INFO  L479      AbstractCegarLoop]: Abstraction has 274 states and 298 transitions.
[2020-09-25 04:14:30,075 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 04:14:30,075 INFO  L276                IsEmpty]: Start isEmpty. Operand 274 states and 298 transitions.
[2020-09-25 04:14:30,079 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 04:14:30,080 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:30,080 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:14:30,080 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 04:14:30,081 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:30,081 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:30,081 INFO  L82        PathProgramCache]: Analyzing trace with hash 547733544, now seen corresponding path program 1 times
[2020-09-25 04:14:30,081 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:30,082 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993521205]
[2020-09-25 04:14:30,082 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:30,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:30,199 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:30,301 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:30,763 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:30,933 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:33,071 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,165 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,165 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 198
[2020-09-25 04:14:35,165 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 04:14:35,166 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5019
[2020-09-25 04:14:35,166 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,167 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 04:14:35,168 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 86
[2020-09-25 04:14:35,168 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,575 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:35,576 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:35,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,667 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,856 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,856 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:35,857 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,857 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 231
[2020-09-25 04:14:35,857 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,857 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,857 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,858 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,858 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 04:14:35,858 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,902 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:35,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,904 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,908 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,908 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:35,908 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,908 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:35,909 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,909 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:14:35,910 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:35,911 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:35,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,913 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,916 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,916 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:35,916 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,916 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:35,916 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,917 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,917 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,917 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,917 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:14:35,918 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,921 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:35,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,924 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,932 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,932 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,932 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,932 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 04:14:35,933 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,933 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,933 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,936 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,937 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:14:35,937 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 04:14:35,939 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:35,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,943 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,946 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,946 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:35,946 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,947 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:35,947 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,947 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,947 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,947 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:14:35,948 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:35,960 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:35,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,962 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,965 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,965 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:35,965 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,965 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:35,965 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,966 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,966 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,966 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,966 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 04:14:35,966 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,969 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 04:14:35,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,973 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,975 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,976 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:35,976 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,976 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:35,976 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,977 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,977 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:35,977 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,977 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 04:14:35,977 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,979 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:35,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,981 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,982 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,983 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,983 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,983 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:35,983 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,984 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,984 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,986 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 04:14:35,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,988 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,989 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,989 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,990 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,990 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:35,990 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,990 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,991 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,991 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:35,991 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,991 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,992 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 04:14:35,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,995 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,996 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,997 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,997 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,997 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:35,997 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,997 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,998 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,998 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:35,998 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,998 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:36,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:36,031 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993521205]
[2020-09-25 04:14:36,032 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:36,032 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 04:14:36,032 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14075836]
[2020-09-25 04:14:36,035 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 04:14:36,036 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:36,036 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 04:14:36,036 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 04:14:36,036 INFO  L87              Difference]: Start difference. First operand 274 states and 298 transitions. Second operand 5 states.
[2020-09-25 04:14:36,637 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 04:14:37,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:37,719 INFO  L93              Difference]: Finished difference Result 477 states and 545 transitions.
[2020-09-25 04:14:37,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 04:14:37,720 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 161
[2020-09-25 04:14:37,721 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:37,725 INFO  L225             Difference]: With dead ends: 477
[2020-09-25 04:14:37,725 INFO  L226             Difference]: Without dead ends: 318
[2020-09-25 04:14:37,727 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 04:14:37,728 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2020-09-25 04:14:37,778 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274.
[2020-09-25 04:14:37,779 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 274 states.
[2020-09-25 04:14:37,781 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 297 transitions.
[2020-09-25 04:14:37,781 INFO  L78                 Accepts]: Start accepts. Automaton has 274 states and 297 transitions. Word has length 161
[2020-09-25 04:14:37,782 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:37,782 INFO  L479      AbstractCegarLoop]: Abstraction has 274 states and 297 transitions.
[2020-09-25 04:14:37,782 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 04:14:37,782 INFO  L276                IsEmpty]: Start isEmpty. Operand 274 states and 297 transitions.
[2020-09-25 04:14:37,785 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-09-25 04:14:37,785 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:37,786 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:14:37,786 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 04:14:37,786 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:37,786 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:37,787 INFO  L82        PathProgramCache]: Analyzing trace with hash -719060444, now seen corresponding path program 1 times
[2020-09-25 04:14:37,787 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:37,787 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251925578]
[2020-09-25 04:14:37,787 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:37,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:37,894 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:37,986 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:38,146 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:38,551 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,312 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,500 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,617 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,866 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,866 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 217
[2020-09-25 04:14:42,866 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 04:14:42,867 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5024
[2020-09-25 04:14:42,867 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,867 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:42,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 04:14:42,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 04:14:42,868 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:43,213 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:43,214 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:43,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,231 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,322 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,322 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:43,322 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,323 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 98
[2020-09-25 04:14:43,323 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,323 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,324 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,324 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,357 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:43,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,359 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,360 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,360 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:43,360 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,360 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:43,361 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,361 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,361 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,361 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,361 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,362 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:43,363 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:43,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,364 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,365 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,365 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:43,365 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,366 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:43,366 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,366 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,366 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,366 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,367 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,367 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:43,368 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:43,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,369 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,372 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,373 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:43,373 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,373 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:43,373 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,373 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,374 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:43,376 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:43,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,377 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,378 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,378 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:43,378 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,379 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:43,379 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,379 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,379 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,379 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,380 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,380 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:43,391 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:43,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,393 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,395 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,395 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:43,395 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,395 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:43,396 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,396 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,397 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,397 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,399 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 04:14:43,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,402 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,404 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,404 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:43,404 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,404 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:43,405 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,405 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,405 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,405 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 04:14:43,405 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,406 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,407 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:43,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,409 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,411 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,412 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:43,412 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,412 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:43,412 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,412 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,413 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,425 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 04:14:43,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,429 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,433 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,448 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,448 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 04:14:43,448 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 04:14:43,449 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 04:14:43,449 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,449 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,449 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,449 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 19
[2020-09-25 04:14:43,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,450 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,451 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:14:43,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,454 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,458 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,459 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 04:14:43,459 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,459 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:14:43,460 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,460 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,462 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,463 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:14:43,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,465 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,468 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,469 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:43,469 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,470 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:43,470 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,470 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,471 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,471 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:43,472 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,472 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,474 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 04:14:43,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,476 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,477 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,478 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:43,478 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,479 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:43,479 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,479 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:43,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,480 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,482 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2020-09-25 04:14:43,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:43,485 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:43,493 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:43,493 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:43,494 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:43,494 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 04:14:43,494 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:43,495 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:43,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:43,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:43,496 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:43,496 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:43,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:43,563 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251925578]
[2020-09-25 04:14:43,563 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:43,564 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 04:14:43,564 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897783306]
[2020-09-25 04:14:43,566 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 04:14:43,566 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:43,566 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 04:14:43,569 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 04:14:43,569 INFO  L87              Difference]: Start difference. First operand 274 states and 297 transitions. Second operand 6 states.
[2020-09-25 04:14:44,497 WARN  L193               SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:14:45,619 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:45,619 INFO  L93              Difference]: Finished difference Result 460 states and 524 transitions.
[2020-09-25 04:14:45,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-09-25 04:14:45,620 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 174
[2020-09-25 04:14:45,620 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:45,623 INFO  L225             Difference]: With dead ends: 460
[2020-09-25 04:14:45,623 INFO  L226             Difference]: Without dead ends: 331
[2020-09-25 04:14:45,625 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2020-09-25 04:14:45,625 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 331 states.
[2020-09-25 04:14:45,664 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 264.
[2020-09-25 04:14:45,664 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 264 states.
[2020-09-25 04:14:45,666 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 284 transitions.
[2020-09-25 04:14:45,666 INFO  L78                 Accepts]: Start accepts. Automaton has 264 states and 284 transitions. Word has length 174
[2020-09-25 04:14:45,667 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:45,667 INFO  L479      AbstractCegarLoop]: Abstraction has 264 states and 284 transitions.
[2020-09-25 04:14:45,667 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 04:14:45,667 INFO  L276                IsEmpty]: Start isEmpty. Operand 264 states and 284 transitions.
[2020-09-25 04:14:45,669 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2020-09-25 04:14:45,670 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:45,670 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:14:45,670 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 04:14:45,670 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:45,671 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:45,671 INFO  L82        PathProgramCache]: Analyzing trace with hash 714961541, now seen corresponding path program 1 times
[2020-09-25 04:14:45,671 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:45,671 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618893346]
[2020-09-25 04:14:45,672 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:45,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:45,766 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:45,947 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:46,135 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:47,510 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:47,646 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:48,147 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:49,720 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:50,058 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:50,724 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:50,725 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 224
[2020-09-25 04:14:50,725 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 8
[2020-09-25 04:14:50,725 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5006
[2020-09-25 04:14:50,725 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:50,725 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:50,725 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 04:14:50,725 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 175
[2020-09-25 04:14:50,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 04:14:50,726 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:51,110 WARN  L193               SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:51,112 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:51,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,132 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,240 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,240 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:51,240 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,241 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 116
[2020-09-25 04:14:51,241 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,242 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,243 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,279 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:51,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,281 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,282 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,282 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:51,282 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,282 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:51,283 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,283 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,283 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,283 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,283 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,284 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,285 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:51,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,287 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,288 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,288 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:51,289 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,289 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,289 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,290 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,290 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,291 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,292 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:51,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,294 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,298 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,298 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,299 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,299 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:51,299 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,300 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,300 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,300 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,301 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,304 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:51,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,306 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,308 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,308 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:51,308 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,309 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,309 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,309 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,311 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,321 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:51,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,323 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,325 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,326 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:51,326 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,326 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,327 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,327 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,327 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,328 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,328 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,328 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,330 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 04:14:51,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,333 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,334 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,335 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:51,335 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,336 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,336 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,336 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,337 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,337 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,337 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,338 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,340 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:51,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,343 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,344 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,345 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,345 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,345 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,346 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,346 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,346 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,347 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,361 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 04:14:51,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,366 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,375 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,376 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 04:14:51,376 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,376 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 04:14:51,377 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,377 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,377 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 04:14:51,377 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 4
[2020-09-25 04:14:51,378 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 04:14:51,378 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,394 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:14:51,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,398 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,412 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,412 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 04:14:51,413 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,413 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 04:14:51,413 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,416 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,416 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 04:14:51,417 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 04:14:51,417 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 04:14:51,417 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 04:14:51,438 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:14:51,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,440 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,443 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,443 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:51,444 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,444 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:51,444 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,445 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:51,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:14:51,446 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,448 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 04:14:51,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,453 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,455 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,455 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,455 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,456 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:51,456 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,456 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:51,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,457 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,463 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2020-09-25 04:14:51,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,466 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,467 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,468 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,468 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,468 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,469 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,469 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,469 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,470 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:51,470 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,470 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,523 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:51,524 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618893346]
[2020-09-25 04:14:51,524 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:51,525 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 04:14:51,525 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788301369]
[2020-09-25 04:14:51,526 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 04:14:51,526 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:51,527 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 04:14:51,527 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 04:14:51,527 INFO  L87              Difference]: Start difference. First operand 264 states and 284 transitions. Second operand 7 states.
[2020-09-25 04:14:52,173 WARN  L193               SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 04:14:54,064 WARN  L193               SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:14:54,814 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:54,814 INFO  L93              Difference]: Finished difference Result 596 states and 684 transitions.
[2020-09-25 04:14:54,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-09-25 04:14:54,815 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 183
[2020-09-25 04:14:54,816 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:54,819 INFO  L225             Difference]: With dead ends: 596
[2020-09-25 04:14:54,819 INFO  L226             Difference]: Without dead ends: 447
[2020-09-25 04:14:54,820 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272
[2020-09-25 04:14:54,822 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 447 states.
[2020-09-25 04:14:54,873 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 379.
[2020-09-25 04:14:54,873 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 379 states.
[2020-09-25 04:14:54,876 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 411 transitions.
[2020-09-25 04:14:54,876 INFO  L78                 Accepts]: Start accepts. Automaton has 379 states and 411 transitions. Word has length 183
[2020-09-25 04:14:54,877 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:54,877 INFO  L479      AbstractCegarLoop]: Abstraction has 379 states and 411 transitions.
[2020-09-25 04:14:54,877 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 04:14:54,877 INFO  L276                IsEmpty]: Start isEmpty. Operand 379 states and 411 transitions.
[2020-09-25 04:14:54,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2020-09-25 04:14:54,880 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:54,881 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:14:54,881 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 04:14:54,881 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:54,881 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:54,882 INFO  L82        PathProgramCache]: Analyzing trace with hash -79943243, now seen corresponding path program 1 times
[2020-09-25 04:14:54,882 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:54,882 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392012124]
[2020-09-25 04:14:54,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:54,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:54,982 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:55,142 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:55,299 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:55,898 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,070 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,930 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,930 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 252
[2020-09-25 04:14:59,930 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 04:14:59,930 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4999
[2020-09-25 04:14:59,931 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,931 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:14:59,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 180
[2020-09-25 04:14:59,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 67
[2020-09-25 04:14:59,931 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,270 WARN  L193               SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:15:00,271 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:15:00,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,286 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,366 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,366 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:15:00,367 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,367 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 87
[2020-09-25 04:15:00,367 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,367 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,368 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,368 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,368 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,368 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:00,392 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:15:00,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,393 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,394 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,394 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:15:00,395 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,395 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:00,395 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,395 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,396 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:00,397 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:15:00,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,398 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,399 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,399 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:15:00,400 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,400 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:00,400 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,400 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,400 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,400 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,401 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,401 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,402 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:15:00,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,403 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,406 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,406 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:00,407 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,407 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:15:00,407 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,407 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,407 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,408 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,408 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,408 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,409 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:15:00,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,410 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,411 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,412 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:15:00,412 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,412 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:00,412 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,412 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,413 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,426 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:15:00,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,429 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,430 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,430 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,431 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,432 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 04:15:00,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,435 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,436 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,437 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:15:00,437 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,437 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:15:00,437 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,437 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,437 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,437 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,438 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,438 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,442 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:15:00,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,443 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,444 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,444 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:00,444 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,444 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:00,445 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,445 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,445 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,463 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 04:15:00,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,471 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,480 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,525 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,526 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 04:15:00,526 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 04:15:00,526 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 57
[2020-09-25 04:15:00,526 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,526 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:15:00,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 04:15:00,527 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,530 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:15:00,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,535 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,548 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,548 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 04:15:00,549 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,549 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 04:15:00,549 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,549 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,549 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:15:00,549 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,549 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 04:15:00,550 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,553 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:15:00,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,558 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,568 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,568 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 04:15:00,568 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,568 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 04:15:00,569 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,569 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:15:00,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,570 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 04:15:00,570 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:00,573 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 04:15:00,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,577 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,578 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 04:15:00,578 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,578 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:15:00,578 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,579 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:00,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:00,579 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:00,581 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 04:15:00,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,583 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,584 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,585 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:15:00,585 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,585 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:15:00,585 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,586 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,586 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:15:00,586 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,586 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:15:00,586 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:00,589 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2020-09-25 04:15:00,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,591 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,593 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,593 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:00,594 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,594 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:15:00,594 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,594 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,594 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:15:00,595 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,595 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:15:00,595 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,597 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194
[2020-09-25 04:15:00,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:00,599 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:00,604 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:00,604 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:00,604 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:00,604 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:15:00,605 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:00,605 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:00,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 04:15:00,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:00,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:15:00,606 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:00,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-09-25 04:15:00,666 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392012124]
[2020-09-25 04:15:00,666 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:15:00,666 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 04:15:00,666 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333965051]
[2020-09-25 04:15:00,667 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 04:15:00,667 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:15:00,667 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 04:15:00,667 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 04:15:00,667 INFO  L87              Difference]: Start difference. First operand 379 states and 411 transitions. Second operand 10 states.
[2020-09-25 04:15:01,322 WARN  L193               SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 04:15:02,326 WARN  L193               SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:15:02,727 WARN  L193               SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 04:15:03,819 WARN  L193               SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 04:15:04,209 WARN  L193               SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:15:04,636 WARN  L193               SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:15:05,293 WARN  L193               SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:15:05,686 WARN  L193               SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 04:15:06,012 WARN  L193               SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:15:06,800 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:15:06,800 INFO  L93              Difference]: Finished difference Result 710 states and 806 transitions.
[2020-09-25 04:15:06,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 04:15:06,801 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 207
[2020-09-25 04:15:06,802 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:15:06,805 INFO  L225             Difference]: With dead ends: 710
[2020-09-25 04:15:06,806 INFO  L226             Difference]: Without dead ends: 446
[2020-09-25 04:15:06,807 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-25 04:15:06,808 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 446 states.
[2020-09-25 04:15:06,851 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 378.
[2020-09-25 04:15:06,852 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 378 states.
[2020-09-25 04:15:06,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 408 transitions.
[2020-09-25 04:15:06,854 INFO  L78                 Accepts]: Start accepts. Automaton has 378 states and 408 transitions. Word has length 207
[2020-09-25 04:15:06,855 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:15:06,855 INFO  L479      AbstractCegarLoop]: Abstraction has 378 states and 408 transitions.
[2020-09-25 04:15:06,855 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 04:15:06,855 INFO  L276                IsEmpty]: Start isEmpty. Operand 378 states and 408 transitions.
[2020-09-25 04:15:06,857 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2020-09-25 04:15:06,857 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:15:06,857 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 04:15:06,858 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 04:15:06,858 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:15:06,858 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:15:06,858 INFO  L82        PathProgramCache]: Analyzing trace with hash -1901048636, now seen corresponding path program 1 times
[2020-09-25 04:15:06,858 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:15:06,859 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045284319]
[2020-09-25 04:15:06,859 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:15:06,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:06,946 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:07,576 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:07,577 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 253
[2020-09-25 04:15:07,577 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:07,577 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 673
[2020-09-25 04:15:07,577 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:07,577 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:07,578 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:15:07,578 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 200
[2020-09-25 04:15:07,578 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:15:07,578 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:07,952 WARN  L193               SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:15:07,953 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:15:07,959 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:07,968 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,042 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,042 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 82
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,043 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,062 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:15:08,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,063 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,064 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,064 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:15:08,064 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,065 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:08,065 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,065 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,065 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,066 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:15:08,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,067 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,068 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,068 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:15:08,068 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,068 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:08,068 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,069 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,069 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,070 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:15:08,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,071 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,074 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,074 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:08,074 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,074 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:15:08,074 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,074 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,074 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,075 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,076 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:15:08,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,077 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,078 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,078 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:15:08,078 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,078 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:08,078 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,078 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,078 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,079 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,086 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:15:08,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,088 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,090 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,090 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:15:08,090 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,090 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:15:08,090 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,090 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,090 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,091 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,092 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 04:15:08,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,093 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,095 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,095 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:15:08,095 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,095 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:15:08,095 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,095 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,096 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,096 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,096 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,096 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,097 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:15:08,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,098 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,099 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,100 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:08,100 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,100 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:08,100 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,100 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,101 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,101 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,101 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,110 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 04:15:08,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,121 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,175 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,175 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-25 04:15:08,175 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,176 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 58
[2020-09-25 04:15:08,176 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,176 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:15:08,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 04:15:08,177 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:15:08,177 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,181 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:15:08,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,188 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,241 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,242 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 04:15:08,242 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,242 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 56
[2020-09-25 04:15:08,242 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,242 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:15:08,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 04:15:08,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:15:08,243 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,302 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:15:08,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,319 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,374 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,375 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 04:15:08,375 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,375 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 61
[2020-09-25 04:15:08,375 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,375 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,376 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 04:15:08,376 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,376 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 04:15:08,376 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:08,418 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 04:15:08,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,420 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,424 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,424 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 04:15:08,424 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,425 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:15:08,425 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,425 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,425 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,425 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:15:08,426 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,426 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:08,428 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 04:15:08,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,429 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,431 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,432 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:15:08,432 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,432 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:15:08,432 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,432 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 04:15:08,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,433 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:15:08,436 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2020-09-25 04:15:08,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,438 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,439 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,440 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:08,440 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,440 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:15:08,440 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,440 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,440 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,441 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:15:08,441 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,441 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:15:08,442 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195
[2020-09-25 04:15:08,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:08,444 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:15:08,445 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:15:08,445 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:15:08,445 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:15:08,446 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:15:08,446 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:15:08,446 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:15:08,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:15:08,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:15:08,447 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:15:08,447 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0