/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:09:32,742 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:09:32,746 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:09:32,773 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:09:32,774 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:09:32,775 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:09:32,776 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:09:32,778 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:09:32,780 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:09:32,781 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:09:32,782 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:09:32,784 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:09:32,784 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:09:32,785 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:09:32,786 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:09:32,788 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:09:32,789 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:09:32,790 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:09:32,792 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:09:32,793 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:09:32,797 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:09:32,801 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:09:32,803 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:09:32,805 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:09:32,807 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:09:32,810 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:09:32,810 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:09:32,812 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:09:32,812 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:09:32,815 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:09:32,815 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:09:32,817 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:09:32,818 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:09:32,818 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:09:32,820 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:09:32,820 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:09:32,821 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:09:32,821 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:09:32,821 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:09:32,832 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:09:32,833 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:09:32,837 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 05:09:32,889 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 05:09:32,889 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:09:32,890 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:09:32,891 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 05:09:32,891 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 05:09:32,891 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:09:32,891 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 05:09:32,892 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 05:09:32,892 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 05:09:32,892 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 05:09:32,892 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:09:32,892 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:09:32,892 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:09:32,893 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 05:09:32,894 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 05:09:32,894 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 05:09:32,895 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:09:32,895 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:09:32,895 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 05:09:32,895 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 05:09:32,895 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 05:09:32,896 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:09:32,896 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:09:32,896 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:09:32,896 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:09:32,896 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 05:09:32,897 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:09:32,897 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:09:32,898 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 05:09:32,898 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true;
[2020-09-25 05:09:33,369 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:09:33,395 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:09:33,401 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:09:33,402 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 05:09:33,403 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 05:09:33,404 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c
[2020-09-25 05:09:33,495 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc99a4d21/e735e903d1ef45429defd1f2d42daad8/FLAG0167c5d1e
[2020-09-25 05:09:34,116 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 05:09:34,117 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c
[2020-09-25 05:09:34,133 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc99a4d21/e735e903d1ef45429defd1f2d42daad8/FLAG0167c5d1e
[2020-09-25 05:09:34,392 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc99a4d21/e735e903d1ef45429defd1f2d42daad8
[2020-09-25 05:09:34,406 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:09:34,411 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:09:34,412 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:09:34,413 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:09:34,417 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:09:34,418 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:34" (1/1) ...
[2020-09-25 05:09:34,423 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34, skipping insertion in model container
[2020-09-25 05:09:34,423 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:34" (1/1) ...
[2020-09-25 05:09:34,432 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 05:09:34,484 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:09:34,836 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:09:34,857 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 05:09:35,040 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:09:35,097 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 05:09:35,098 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35 WrapperNode
[2020-09-25 05:09:35,099 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:09:35,100 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:09:35,100 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:09:35,100 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:09:35,116 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (1/1) ...
[2020-09-25 05:09:35,117 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (1/1) ...
[2020-09-25 05:09:35,155 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (1/1) ...
[2020-09-25 05:09:35,156 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (1/1) ...
[2020-09-25 05:09:35,187 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (1/1) ...
[2020-09-25 05:09:35,198 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (1/1) ...
[2020-09-25 05:09:35,204 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (1/1) ...
[2020-09-25 05:09:35,211 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:09:35,212 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:09:35,212 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:09:35,212 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:09:35,214 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (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 05:09:35,289 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:09:35,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:09:35,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:09:35,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 05:09:35,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 05:09:35,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 05:09:35,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 05:09:35,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 05:09:35,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 05:09:35,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 05:09:35,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 05:09:35,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 05:09:35,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 05:09:35,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 05:09:35,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 05:09:35,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 05:09:35,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 05:09:35,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 05:09:35,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 05:09:35,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 05:09:35,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:09:35,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 05:09:35,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 05:09:35,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 05:09:35,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 05:09:35,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 05:09:35,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 05:09:35,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 05:09:35,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 05:09:35,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 05:09:35,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 05:09:35,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 05:09:35,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 05:09:35,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 05:09:35,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 05:09:35,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 05:09:35,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:09:35,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 05:09:35,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 05:09:35,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 05:09:35,297 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:09:35,297 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:09:35,297 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 05:09:35,297 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 05:09:35,297 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 05:09:35,298 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 05:09:35,298 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 05:09:35,298 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 05:09:35,298 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 05:09:35,298 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 05:09:35,299 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 05:09:35,299 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 05:09:35,299 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 05:09:35,299 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 05:09:35,299 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 05:09:35,299 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 05:09:35,299 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 05:09:35,300 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 05:09:35,300 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 05:09:35,300 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 05:09:35,300 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 05:09:35,300 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 05:09:35,301 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 05:09:35,301 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 05:09:35,301 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:09:35,301 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 05:09:35,301 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 05:09:35,301 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 05:09:35,302 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 05:09:35,302 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 05:09:35,302 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 05:09:35,302 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:09:35,302 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 05:09:35,302 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 05:09:35,303 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 05:09:35,303 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 05:09:35,303 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:09:35,303 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:09:35,303 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 05:09:35,303 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:09:35,304 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:09:35,304 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:09:35,304 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:09:35,304 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 05:09:35,304 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:09:35,304 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:09:35,305 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:09:35,305 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:09:35,305 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 05:09:35,305 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 05:09:35,305 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 05:09:35,305 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:09:35,306 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 05:09:35,306 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:09:36,592 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:09:36,592 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 05:09:36,606 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:36 BoogieIcfgContainer
[2020-09-25 05:09:36,606 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:09:36,609 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:09:36,609 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:09:36,613 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:09:36,613 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:09:34" (1/3) ...
[2020-09-25 05:09:36,614 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5be589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:09:36, skipping insertion in model container
[2020-09-25 05:09:36,615 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:35" (2/3) ...
[2020-09-25 05:09:36,615 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5be589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:09:36, skipping insertion in model container
[2020-09-25 05:09:36,616 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:36" (3/3) ...
[2020-09-25 05:09:36,619 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c
[2020-09-25 05:09:36,632 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:09:36,647 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:09:36,671 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:09:36,717 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:09:36,717 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 05:09:36,718 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:09:36,718 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:09:36,718 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:09:36,718 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 05:09:36,718 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:09:36,719 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:09:36,764 INFO  L276                IsEmpty]: Start isEmpty. Operand 314 states.
[2020-09-25 05:09:36,802 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 05:09:36,802 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:09:36,805 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:09:36,806 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:09:36,815 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:09:36,816 INFO  L82        PathProgramCache]: Analyzing trace with hash 349586246, now seen corresponding path program 1 times
[2020-09-25 05:09:36,828 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:09:36,830 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037458907]
[2020-09-25 05:09:36,835 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:09:37,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:37,481 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:37,649 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:39,099 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:40,109 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:41,296 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:42,340 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:42,341 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 05:09:42,341 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 05:09:42,342 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5061
[2020-09-25 05:09:42,347 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:42,347 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:42,348 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:42,348 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 05:09:42,348 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:42,349 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 05:09:42,993 WARN  L193               SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:09:42,996 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:09:43,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:43,021 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:43,136 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:43,136 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:09:43,136 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:43,137 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 124
[2020-09-25 05:09:43,137 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:43,137 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:43,137 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:43,137 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:43,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:43,138 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:43,208 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:09:43,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:43,210 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:43,214 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:43,214 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:43,214 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:43,214 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:09:43,215 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:43,215 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:43,215 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:43,215 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:43,216 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:43,216 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:43,217 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:09:43,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:43,221 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:43,223 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:43,223 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:43,223 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:43,224 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:09:43,224 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:43,224 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:43,224 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:43,225 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:43,225 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:43,225 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:43,227 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:09:43,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:43,230 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:43,235 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:43,236 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:43,236 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:43,236 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:09:43,237 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:43,237 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:43,237 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:43,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:43,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:43,238 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:43,240 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:09:43,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:43,243 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:43,245 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:43,245 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:43,245 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:43,245 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:09:43,246 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:43,246 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:43,246 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:43,246 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:43,246 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:43,247 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:43,249 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 05:09:43,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:43,252 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:43,254 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:43,254 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:43,254 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:43,254 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:43,255 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:43,255 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:43,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:43,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:09:43,256 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:43,256 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:43,258 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 05:09:43,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:43,263 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:43,266 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:43,266 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:43,266 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:43,266 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:09:43,267 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:43,267 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:43,267 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:43,267 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:09:43,268 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:43,268 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:43,299 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:09:43,300 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037458907]
[2020-09-25 05:09:43,302 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:09:43,303 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:09:43,304 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666665418]
[2020-09-25 05:09:43,313 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:09:43,313 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:09:43,331 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:09:43,332 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:09:43,335 INFO  L87              Difference]: Start difference. First operand 314 states. Second operand 3 states.
[2020-09-25 05:09:45,014 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:09:45,015 INFO  L93              Difference]: Finished difference Result 496 states and 592 transitions.
[2020-09-25 05:09:45,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 05:09:45,017 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-09-25 05:09:45,019 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:09:45,039 INFO  L225             Difference]: With dead ends: 496
[2020-09-25 05:09:45,039 INFO  L226             Difference]: Without dead ends: 307
[2020-09-25 05:09:45,046 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:09:45,071 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 307 states.
[2020-09-25 05:09:45,180 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 263.
[2020-09-25 05:09:45,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 263 states.
[2020-09-25 05:09:45,185 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 287 transitions.
[2020-09-25 05:09:45,187 INFO  L78                 Accepts]: Start accepts. Automaton has 263 states and 287 transitions. Word has length 142
[2020-09-25 05:09:45,188 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:09:45,189 INFO  L479      AbstractCegarLoop]: Abstraction has 263 states and 287 transitions.
[2020-09-25 05:09:45,189 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:09:45,189 INFO  L276                IsEmpty]: Start isEmpty. Operand 263 states and 287 transitions.
[2020-09-25 05:09:45,193 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-09-25 05:09:45,193 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:09:45,194 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:09:45,194 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:09:45,194 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:09:45,195 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:09:45,195 INFO  L82        PathProgramCache]: Analyzing trace with hash 1227097800, now seen corresponding path program 1 times
[2020-09-25 05:09:45,195 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:09:45,196 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910605760]
[2020-09-25 05:09:45,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:09:45,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:45,317 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:45,422 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:46,965 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:47,564 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:48,782 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,287 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,287 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 174
[2020-09-25 05:09:50,288 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 05:09:50,288 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5026
[2020-09-25 05:09:50,288 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,288 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:09:50,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 05:09:50,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:09:50,289 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,592 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:09:50,593 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:09:50,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:50,614 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,701 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,702 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:09:50,702 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:50,702 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 95
[2020-09-25 05:09:50,702 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,702 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,703 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:50,703 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:50,703 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:50,703 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,775 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:09:50,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:50,777 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,778 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,778 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:50,779 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:50,779 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:50,779 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,779 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,779 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:50,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:50,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:50,780 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,782 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:09:50,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:50,784 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,785 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,786 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:50,786 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:50,786 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:50,786 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,787 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,787 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:50,787 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:50,787 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:50,787 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,789 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:09:50,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:50,792 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,796 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,796 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:50,797 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:50,797 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:09:50,797 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,797 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,798 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:50,798 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:50,798 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:50,798 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,800 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:09:50,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:50,802 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,803 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,803 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:50,803 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:50,804 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:09:50,804 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,804 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,804 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:50,805 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:50,805 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:50,805 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,806 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 05:09:50,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:50,808 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,810 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,810 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:50,810 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:50,810 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:50,811 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,811 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,811 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:50,811 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:09:50,811 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:50,812 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,813 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:09:50,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:50,816 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:50,817 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:50,817 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:50,818 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:50,818 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:50,818 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:50,818 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:50,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:50,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:09:50,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:50,819 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:50,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:09:50,843 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910605760]
[2020-09-25 05:09:50,844 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:09:50,844 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:09:50,844 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356269698]
[2020-09-25 05:09:50,847 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:09:50,848 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:09:50,848 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:09:50,848 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:09:50,849 INFO  L87              Difference]: Start difference. First operand 263 states and 287 transitions. Second operand 4 states.
[2020-09-25 05:09:51,429 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:09:52,568 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:09:52,568 INFO  L93              Difference]: Finished difference Result 409 states and 463 transitions.
[2020-09-25 05:09:52,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 05:09:52,569 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-09-25 05:09:52,570 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:09:52,573 INFO  L225             Difference]: With dead ends: 409
[2020-09-25 05:09:52,573 INFO  L226             Difference]: Without dead ends: 290
[2020-09-25 05:09:52,575 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:09:52,576 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 290 states.
[2020-09-25 05:09:52,620 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 253.
[2020-09-25 05:09:52,620 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 253 states.
[2020-09-25 05:09:52,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions.
[2020-09-25 05:09:52,622 INFO  L78                 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 143
[2020-09-25 05:09:52,623 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:09:52,623 INFO  L479      AbstractCegarLoop]: Abstraction has 253 states and 274 transitions.
[2020-09-25 05:09:52,623 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:09:52,624 INFO  L276                IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions.
[2020-09-25 05:09:52,626 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2020-09-25 05:09:52,626 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:09:52,626 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:09:52,627 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:09:52,627 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:09:52,627 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:09:52,627 INFO  L82        PathProgramCache]: Analyzing trace with hash 766984767, now seen corresponding path program 1 times
[2020-09-25 05:09:52,628 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:09:52,628 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390373641]
[2020-09-25 05:09:52,628 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:09:52,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:52,727 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:52,928 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:53,669 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:53,798 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:57,703 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:57,704 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 05:09:57,704 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:09:57,705 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5026
[2020-09-25 05:09:57,705 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:57,705 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:57,706 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:09:57,706 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 05:09:57,707 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 05:09:57,707 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,076 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:09:58,078 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:09:58,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,099 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,199 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,199 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:09:58,200 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,200 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 108
[2020-09-25 05:09:58,201 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,201 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,201 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:58,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:58,202 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:58,203 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,234 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:09:58,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,235 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,237 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,237 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:58,237 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,238 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:09:58,238 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,238 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:58,239 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:58,239 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:58,239 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,240 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:09:58,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,242 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,243 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,243 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:58,244 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,244 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:09:58,244 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,244 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,245 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:58,245 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:58,245 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:58,245 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,246 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:09:58,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,248 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,252 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,252 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:58,252 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,252 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:09:58,253 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,253 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,253 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:58,253 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:58,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:58,254 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,255 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:09:58,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,257 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,259 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,259 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:09:58,259 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,259 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:58,260 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,260 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,260 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:58,260 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:58,261 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:58,261 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,269 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 05:09:58,270 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,271 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,274 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,274 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:09:58,275 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,275 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:09:58,275 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,275 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,276 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:09:58,276 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:09:58,276 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 05:09:58,276 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,279 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 05:09:58,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,281 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,282 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,283 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:58,283 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,283 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:58,283 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,284 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,284 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:58,284 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:09:58,284 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:58,284 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,286 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 05:09:58,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:09:58,288 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:09:58,289 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:09:58,290 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:09:58,290 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:09:58,290 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:09:58,290 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:09:58,291 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:09:58,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:09:58,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:09:58,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:09:58,292 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:09:58,322 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:09:58,323 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390373641]
[2020-09-25 05:09:58,323 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:09:58,324 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 05:09:58,324 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223992871]
[2020-09-25 05:09:58,325 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 05:09:58,325 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:09:58,325 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 05:09:58,327 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:09:58,327 INFO  L87              Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states.
[2020-09-25 05:09:58,856 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:09:59,967 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:09:59,967 INFO  L93              Difference]: Finished difference Result 455 states and 525 transitions.
[2020-09-25 05:09:59,968 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 05:09:59,968 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 156
[2020-09-25 05:09:59,969 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:09:59,973 INFO  L225             Difference]: With dead ends: 455
[2020-09-25 05:09:59,973 INFO  L226             Difference]: Without dead ends: 312
[2020-09-25 05:09:59,974 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:09:59,975 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 312 states.
[2020-09-25 05:10:00,010 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 253.
[2020-09-25 05:10:00,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 253 states.
[2020-09-25 05:10:00,012 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 273 transitions.
[2020-09-25 05:10:00,012 INFO  L78                 Accepts]: Start accepts. Automaton has 253 states and 273 transitions. Word has length 156
[2020-09-25 05:10:00,013 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:10:00,013 INFO  L479      AbstractCegarLoop]: Abstraction has 253 states and 273 transitions.
[2020-09-25 05:10:00,013 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 05:10:00,013 INFO  L276                IsEmpty]: Start isEmpty. Operand 253 states and 273 transitions.
[2020-09-25 05:10:00,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2020-09-25 05:10:00,016 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:10:00,016 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:10:00,016 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:10:00,017 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:10:00,017 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:10:00,017 INFO  L82        PathProgramCache]: Analyzing trace with hash -270479098, now seen corresponding path program 1 times
[2020-09-25 05:10:00,017 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:10:00,017 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348099863]
[2020-09-25 05:10:00,018 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:10:00,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:00,116 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:00,262 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:00,469 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:02,462 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:03,241 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:03,373 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:03,470 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,071 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,072 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 206
[2020-09-25 05:10:05,072 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 05:10:05,072 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5005
[2020-09-25 05:10:05,072 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,072 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,073 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 05:10:05,073 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 158
[2020-09-25 05:10:05,073 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 05:10:05,073 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:10:05,450 WARN  L193               SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:10:05,451 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:10:05,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,468 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,566 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,567 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:10:05,567 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,567 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 106
[2020-09-25 05:10:05,568 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,568 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,568 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:05,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,569 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,608 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:10:05,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,610 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,612 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,612 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:05,612 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,613 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:10:05,613 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,613 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,614 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,614 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:05,614 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,615 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,616 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:10:05,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,618 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,619 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,620 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:05,620 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,621 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:10:05,621 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,621 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,622 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,622 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:05,622 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,623 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,624 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:10:05,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,626 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,630 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,631 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:10:05,631 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,631 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:10:05,632 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,632 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:05,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,634 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,635 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:10:05,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,639 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,640 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,640 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:05,641 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,641 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:10:05,642 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,642 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:05,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,644 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:10:05,654 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 05:10:05,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,656 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,659 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,659 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:10:05,659 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,660 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:10:05,660 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,660 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,661 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,661 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:05,661 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,662 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,673 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:10:05,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,677 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,684 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,685 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 05:10:05,685 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,685 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 05:10:05,686 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,686 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,686 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 05:10:05,687 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 4
[2020-09-25 05:10:05,687 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 05:10:05,688 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,702 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:10:05,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,706 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,716 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,716 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 05:10:05,716 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,717 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 05:10:05,717 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,718 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,718 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 05:10:05,718 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 05:10:05,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 05:10:05,719 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,739 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:10:05,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,741 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,744 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,744 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:05,745 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,745 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:10:05,746 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,746 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,746 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:10:05,747 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:05,747 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:10:05,748 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,749 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 05:10:05,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,752 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,754 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,754 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:10:05,754 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,755 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:10:05,755 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,755 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,756 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,756 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:10:05,756 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,757 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,758 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2020-09-25 05:10:05,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:05,761 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:05,762 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:05,763 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:10:05,763 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:05,763 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:10:05,764 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:05,764 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:05,764 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:05,765 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:10:05,765 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:05,765 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:05,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:10:05,820 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348099863]
[2020-09-25 05:10:05,821 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:10:05,821 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 05:10:05,821 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015558483]
[2020-09-25 05:10:05,822 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 05:10:05,823 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:10:05,823 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 05:10:05,823 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:10:05,824 INFO  L87              Difference]: Start difference. First operand 253 states and 273 transitions. Second operand 7 states.
[2020-09-25 05:10:06,531 WARN  L193               SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:10:08,211 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:10:09,301 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:10:09,301 INFO  L93              Difference]: Finished difference Result 643 states and 763 transitions.
[2020-09-25 05:10:09,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-09-25 05:10:09,302 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 169
[2020-09-25 05:10:09,302 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:10:09,306 INFO  L225             Difference]: With dead ends: 643
[2020-09-25 05:10:09,307 INFO  L226             Difference]: Without dead ends: 500
[2020-09-25 05:10:09,308 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210
[2020-09-25 05:10:09,309 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 500 states.
[2020-09-25 05:10:09,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 373.
[2020-09-25 05:10:09,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 373 states.
[2020-09-25 05:10:09,368 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 402 transitions.
[2020-09-25 05:10:09,369 INFO  L78                 Accepts]: Start accepts. Automaton has 373 states and 402 transitions. Word has length 169
[2020-09-25 05:10:09,369 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:10:09,369 INFO  L479      AbstractCegarLoop]: Abstraction has 373 states and 402 transitions.
[2020-09-25 05:10:09,370 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 05:10:09,370 INFO  L276                IsEmpty]: Start isEmpty. Operand 373 states and 402 transitions.
[2020-09-25 05:10:09,372 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2020-09-25 05:10:09,372 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:10:09,373 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:10:09,373 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:10:09,373 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:10:09,373 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:10:09,374 INFO  L82        PathProgramCache]: Analyzing trace with hash 527170398, now seen corresponding path program 1 times
[2020-09-25 05:10:09,374 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:10:09,374 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870660174]
[2020-09-25 05:10:09,374 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:10:09,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:09,471 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:10,154 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:10,278 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:10,730 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:10,829 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:14,422 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:14,422 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 234
[2020-09-25 05:10:14,422 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 05:10:14,422 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5000
[2020-09-25 05:10:14,423 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:14,423 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:14,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 05:10:14,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 158
[2020-09-25 05:10:14,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 72
[2020-09-25 05:10:14,423 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:10:14,780 WARN  L193               SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:10:14,781 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:10:14,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:14,814 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:14,906 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:14,906 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:10:14,907 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:14,907 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 106
[2020-09-25 05:10:14,907 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:14,907 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:14,907 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:14,908 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:14,908 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:14,908 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:10:14,939 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:10:14,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:14,941 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:14,942 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:14,943 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:14,943 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:14,943 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:10:14,943 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:14,943 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:14,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:14,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:14,944 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:14,944 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:14,946 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:10:14,946 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:14,948 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:14,950 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:14,950 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:14,951 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:14,951 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:10:14,951 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:14,951 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:14,951 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:14,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:14,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:14,952 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:10:14,953 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:10:14,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:14,955 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:14,958 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:14,959 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:10:14,959 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:14,959 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:10:14,959 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:14,960 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:14,960 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:14,960 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:14,960 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:14,960 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:14,962 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:10:14,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:14,964 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:14,965 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:14,965 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:14,965 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:14,966 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:10:14,966 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:14,966 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:14,967 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:14,967 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:14,967 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:14,967 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:14,979 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 05:10:14,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:14,981 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:14,984 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:14,985 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:10:14,985 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:14,985 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:10:14,985 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:14,985 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:14,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:14,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:14,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:14,987 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:15,000 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:10:15,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:15,008 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,021 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,109 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:15,109 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 05:10:15,110 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:10:15,110 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 106
[2020-09-25 05:10:15,110 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:15,110 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:15,110 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:10:15,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:15,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 05:10:15,111 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:15,122 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:10:15,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:15,131 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,147 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:15,148 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 05:10:15,148 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:15,148 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 05:10:15,148 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:15,148 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:15,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:10:15,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:15,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:10:15,149 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:15,155 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:10:15,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:15,165 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,179 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:15,179 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 05:10:15,179 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:15,179 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 05:10:15,179 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:15,180 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:15,180 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:10:15,180 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:15,180 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 05:10:15,181 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:15,183 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 05:10:15,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:15,185 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,188 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:15,188 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 05:10:15,189 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:15,189 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:10:15,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:15,190 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:15,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:10:15,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:15,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:10:15,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:15,193 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 05:10:15,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:15,195 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,197 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:15,197 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:10:15,198 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:15,198 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:10:15,198 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:15,198 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:15,199 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:10:15,199 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:15,199 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:10:15,199 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:10:15,203 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171
[2020-09-25 05:10:15,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:15,206 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,210 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:15,210 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:10:15,210 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:15,210 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:10:15,211 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:15,211 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:15,211 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:10:15,211 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:15,211 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:10:15,212 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:10:15,218 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181
[2020-09-25 05:10:15,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:15,224 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:15,231 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:10:15,231 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:10:15,231 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:10:15,231 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 05:10:15,232 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:10:15,232 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:10:15,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:10:15,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:10:15,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:10:15,233 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:10:15,298 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:10:15,299 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870660174]
[2020-09-25 05:10:15,299 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:10:15,299 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 05:10:15,300 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514216886]
[2020-09-25 05:10:15,300 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 05:10:15,300 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:10:15,301 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 05:10:15,302 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 05:10:15,302 INFO  L87              Difference]: Start difference. First operand 373 states and 402 transitions. Second operand 10 states.
[2020-09-25 05:10:15,868 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:10:17,588 WARN  L193               SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:10:17,883 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:10:18,270 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:10:19,247 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 05:10:19,557 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 05:10:20,002 WARN  L193               SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:10:20,329 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 05:10:20,637 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:10:21,054 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:10:21,054 INFO  L93              Difference]: Finished difference Result 503 states and 589 transitions.
[2020-09-25 05:10:21,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 05:10:21,057 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 193
[2020-09-25 05:10:21,058 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:10:21,063 INFO  L225             Difference]: With dead ends: 503
[2020-09-25 05:10:21,063 INFO  L226             Difference]: Without dead ends: 500
[2020-09-25 05:10:21,067 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-25 05:10:21,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 500 states.
[2020-09-25 05:10:21,139 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 373.
[2020-09-25 05:10:21,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 373 states.
[2020-09-25 05:10:21,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 401 transitions.
[2020-09-25 05:10:21,144 INFO  L78                 Accepts]: Start accepts. Automaton has 373 states and 401 transitions. Word has length 193
[2020-09-25 05:10:21,144 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:10:21,145 INFO  L479      AbstractCegarLoop]: Abstraction has 373 states and 401 transitions.
[2020-09-25 05:10:21,145 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 05:10:21,145 INFO  L276                IsEmpty]: Start isEmpty. Operand 373 states and 401 transitions.
[2020-09-25 05:10:21,149 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 217
[2020-09-25 05:10:21,149 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:10:21,149 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:10:21,150 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 05:10:21,150 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:10:21,150 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:10:21,150 INFO  L82        PathProgramCache]: Analyzing trace with hash -1691779612, now seen corresponding path program 1 times
[2020-09-25 05:10:21,150 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:10:21,151 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601449393]
[2020-09-25 05:10:21,151 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:10:21,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:10:21,265 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:21,724 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:10:21,858 FATAL L256   erpolLogProxyWrapper]: Now shrinking...