/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_spec4_product63.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:19:53,705 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:19:53,710 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:19:53,755 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:19:53,756 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:19:53,763 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:19:53,766 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:19:53,770 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:19:53,773 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:19:53,776 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:19:53,777 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:19:53,778 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:19:53,778 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:19:53,781 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:19:53,784 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:19:53,786 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:19:53,788 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:19:53,789 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:19:53,790 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:19:53,799 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:19:53,801 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:19:53,802 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:19:53,804 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:19:53,805 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:19:53,817 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:19:53,823 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:19:53,823 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:19:53,824 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:19:53,825 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:19:53,826 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:19:53,829 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:19:53,830 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:19:53,831 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:19:53,835 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:19:53,836 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:19:53,836 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:19:53,837 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:19:53,837 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:19:53,838 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:19:53,839 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:19:53,840 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:19:53,841 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 05:19:53,866 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 05:19:53,867 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:19:53,868 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:19:53,868 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 05:19:53,869 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 05:19:53,869 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:19:53,869 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 05:19:53,869 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 05:19:53,870 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 05:19:53,870 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 05:19:53,870 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:19:53,870 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:19:53,870 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:19:53,871 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 05:19:53,871 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 05:19:53,871 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 05:19:53,871 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:19:53,871 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:19:53,872 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 05:19:53,872 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 05:19:53,872 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 05:19:53,872 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:19:53,873 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:19:53,873 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:19:53,873 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:19:53,873 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 05:19:53,873 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:19:53,873 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:19:53,874 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 05:19:53,874 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 05:19:54,358 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:19:54,377 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:19:54,381 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:19:54,383 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 05:19:54,383 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 05:19:54,385 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c
[2020-09-25 05:19:54,479 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/223e52c33/4450bf0001d148b1b0a5260e0be3e274/FLAG97ea8530a
[2020-09-25 05:19:55,072 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 05:19:55,073 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c
[2020-09-25 05:19:55,090 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/223e52c33/4450bf0001d148b1b0a5260e0be3e274/FLAG97ea8530a
[2020-09-25 05:19:55,454 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/223e52c33/4450bf0001d148b1b0a5260e0be3e274
[2020-09-25 05:19:55,470 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:19:55,477 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:19:55,479 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:19:55,479 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:19:55,483 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:19:55,484 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:19:55" (1/1) ...
[2020-09-25 05:19:55,489 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e65116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:55, skipping insertion in model container
[2020-09-25 05:19:55,489 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:19:55" (1/1) ...
[2020-09-25 05:19:55,498 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 05:19:55,547 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:19:56,029 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:19:56,044 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 05:19:56,159 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:19:56,209 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 05:19:56,209 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56 WrapperNode
[2020-09-25 05:19:56,210 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:19:56,211 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:19:56,211 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:19:56,211 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:19:56,227 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ...
[2020-09-25 05:19:56,228 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ...
[2020-09-25 05:19:56,248 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ...
[2020-09-25 05:19:56,249 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ...
[2020-09-25 05:19:56,284 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ...
[2020-09-25 05:19:56,297 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ...
[2020-09-25 05:19:56,302 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ...
[2020-09-25 05:19:56,310 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:19:56,311 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:19:56,311 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:19:56,311 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:19:56,313 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (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 05:19:56,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:19:56,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:19:56,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:19:56,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 05:19:56,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 05:19:56,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:19:56,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 05:19:56,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 05:19:56,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 05:19:56,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 05:19:56,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 05:19:56,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 05:19:56,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 05:19:56,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:19:56,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 05:19:56,404 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 05:19:56,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 05:19:56,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 05:19:56,405 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-09-25 05:19:56,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 05:19:56,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 05:19:56,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 05:19:56,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 05:19:56,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 05:19:56,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 05:19:56,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 05:19:56,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 05:19:56,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 05:19:56,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 05:19:56,408 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 05:19:56,408 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 05:19:56,408 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 05:19:56,408 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 05:19:56,408 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 05:19:56,408 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 05:19:56,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 05:19:56,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 05:19:56,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 05:19:56,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 05:19:56,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 05:19:56,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 05:19:56,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 05:19:56,410 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 05:19:56,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:19:56,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:19:56,410 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 05:19:56,410 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 05:19:56,410 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:19:56,411 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:19:56,411 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 05:19:56,411 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:19:56,411 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:19:56,411 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:19:56,411 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:19:56,412 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 05:19:56,412 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:19:56,412 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:19:56,412 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:19:56,412 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:19:56,412 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 05:19:56,413 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 05:19:56,413 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:19:56,413 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 05:19:56,413 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 05:19:56,413 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 05:19:56,413 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 05:19:56,414 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 05:19:56,414 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 05:19:56,414 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 05:19:56,414 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 05:19:56,414 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 05:19:56,414 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 05:19:56,414 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 05:19:56,415 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 05:19:56,415 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 05:19:56,415 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:19:56,415 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 05:19:56,415 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 05:19:56,415 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 05:19:56,416 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 05:19:56,416 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-09-25 05:19:56,416 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 05:19:56,416 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 05:19:56,416 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 05:19:56,416 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 05:19:56,417 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 05:19:56,417 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 05:19:56,417 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 05:19:56,417 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 05:19:56,417 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 05:19:56,417 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 05:19:56,417 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 05:19:56,418 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 05:19:56,418 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 05:19:56,418 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 05:19:56,418 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 05:19:56,418 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 05:19:56,418 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:19:56,419 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 05:19:56,419 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:19:57,747 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:19:57,748 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 05:19:57,756 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:19:57 BoogieIcfgContainer
[2020-09-25 05:19:57,756 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:19:57,757 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:19:57,758 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:19:57,761 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:19:57,762 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:19:55" (1/3) ...
[2020-09-25 05:19:57,762 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:19:57, skipping insertion in model container
[2020-09-25 05:19:57,763 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (2/3) ...
[2020-09-25 05:19:57,763 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:19:57, skipping insertion in model container
[2020-09-25 05:19:57,763 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:19:57" (3/3) ...
[2020-09-25 05:19:57,765 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c
[2020-09-25 05:19:57,777 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:19:57,789 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:19:57,812 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:19:57,846 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:19:57,846 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 05:19:57,846 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:19:57,846 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:19:57,847 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:19:57,847 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 05:19:57,847 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:19:57,847 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:19:57,876 INFO  L276                IsEmpty]: Start isEmpty. Operand 352 states.
[2020-09-25 05:19:57,895 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 05:19:57,896 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:19:57,897 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 05:19:57,898 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:19:57,905 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:19:57,906 INFO  L82        PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times
[2020-09-25 05:19:57,915 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:19:57,916 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389886281]
[2020-09-25 05:19:57,916 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:19:58,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:58,414 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:58,681 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:00,297 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:01,272 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:03,269 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:03,269 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 05:20:03,270 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:20:03,270 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5004
[2020-09-25 05:20:03,285 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:03,287 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:03,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:03,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 05:20:03,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:03,288 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 8
[2020-09-25 05:20:03,739 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:20:03,743 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:20:03,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:03,787 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:03,898 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:03,898 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:20:03,899 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:03,899 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 123
[2020-09-25 05:20:03,899 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:03,899 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:03,900 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:03,900 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:03,900 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:03,901 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:03,993 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:20:03,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:03,996 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:03,998 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:03,998 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:03,998 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:03,998 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:03,999 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:03,999 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:03,999 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:03,999 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:04,000 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:04,000 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:04,005 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:20:04,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:04,010 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:04,012 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:04,012 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:04,012 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:04,013 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:04,013 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:04,013 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:04,013 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:04,014 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:04,014 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:04,014 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:04,016 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:20:04,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:04,019 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:04,024 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:04,024 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:04,024 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:04,025 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:20:04,025 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:04,025 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:04,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:04,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:04,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:04,026 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:04,028 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:20:04,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:04,030 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:04,033 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:04,033 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:04,033 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:04,035 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:04,035 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:04,035 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:04,036 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:04,036 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:04,036 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:04,036 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:04,038 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 05:20:04,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:04,040 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:04,042 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:04,043 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:04,043 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:04,043 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:04,044 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:04,044 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:04,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:04,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:20:04,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:04,045 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:04,047 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 05:20:04,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:04,051 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:04,053 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:04,054 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:04,054 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:04,054 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:04,054 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:04,054 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:04,055 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:04,055 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:20:04,055 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:04,055 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:04,121 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 05:20:04,122 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389886281]
[2020-09-25 05:20:04,125 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:20:04,125 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:20:04,126 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475300281]
[2020-09-25 05:20:04,136 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:20:04,137 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:20:04,156 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:20:04,157 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:20:04,160 INFO  L87              Difference]: Start difference. First operand 352 states. Second operand 3 states.
[2020-09-25 05:20:05,900 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:20:05,901 INFO  L93              Difference]: Finished difference Result 575 states and 684 transitions.
[2020-09-25 05:20:05,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 05:20:05,903 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-09-25 05:20:05,904 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:20:05,929 INFO  L225             Difference]: With dead ends: 575
[2020-09-25 05:20:05,929 INFO  L226             Difference]: Without dead ends: 348
[2020-09-25 05:20:05,936 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:20:05,960 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 348 states.
[2020-09-25 05:20:06,051 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 301.
[2020-09-25 05:20:06,052 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 301 states.
[2020-09-25 05:20:06,055 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 331 transitions.
[2020-09-25 05:20:06,058 INFO  L78                 Accepts]: Start accepts. Automaton has 301 states and 331 transitions. Word has length 142
[2020-09-25 05:20:06,058 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:20:06,059 INFO  L479      AbstractCegarLoop]: Abstraction has 301 states and 331 transitions.
[2020-09-25 05:20:06,059 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:20:06,059 INFO  L276                IsEmpty]: Start isEmpty. Operand 301 states and 331 transitions.
[2020-09-25 05:20:06,064 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-09-25 05:20:06,064 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:20:06,064 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 05:20:06,065 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:20:06,065 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:20:06,065 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:20:06,066 INFO  L82        PathProgramCache]: Analyzing trace with hash 999725193, now seen corresponding path program 1 times
[2020-09-25 05:20:06,066 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:20:06,066 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758105902]
[2020-09-25 05:20:06,067 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:20:06,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:06,173 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:06,309 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:07,761 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:08,238 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:09,191 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,147 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,148 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 174
[2020-09-25 05:20:11,148 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 05:20:11,148 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5025
[2020-09-25 05:20:11,149 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,149 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:11,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 05:20:11,150 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:20:11,151 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:11,464 WARN  L193               SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:20:11,465 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:20:11,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:11,488 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,580 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,581 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:20:11,581 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:11,581 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 100
[2020-09-25 05:20:11,581 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,582 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,582 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:11,582 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:11,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:11,583 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:11,621 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:20:11,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:11,623 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,624 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,624 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:11,625 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:11,625 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:11,625 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,625 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,625 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:11,626 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:11,626 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:11,626 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:11,632 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:20:11,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:11,634 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,637 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,637 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:11,638 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:11,638 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:11,638 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,638 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:11,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:11,639 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:11,639 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:11,643 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:20:11,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:11,645 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,647 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,648 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:11,648 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:11,648 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:11,649 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,649 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,649 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:11,649 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:11,650 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:11,650 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:11,652 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:20:11,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:11,653 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,655 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,655 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:11,656 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:11,656 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:11,656 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,656 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,657 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:11,657 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:11,657 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:11,657 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:11,658 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 05:20:11,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:11,660 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,662 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,662 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:11,662 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:11,662 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:11,663 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,663 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,663 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:11,664 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:20:11,664 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:11,664 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:11,666 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:20:11,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:11,668 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:11,670 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:11,670 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:11,670 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:11,671 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:11,671 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:11,671 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:11,671 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:11,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:20:11,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:11,674 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 05:20:11,754 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 05:20:11,754 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758105902]
[2020-09-25 05:20:11,755 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:20:11,755 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:20:11,755 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418094693]
[2020-09-25 05:20:11,761 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:20:11,762 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:20:11,762 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:20:11,762 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:20:11,763 INFO  L87              Difference]: Start difference. First operand 301 states and 331 transitions. Second operand 4 states.
[2020-09-25 05:20:12,442 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:20:13,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:20:13,917 INFO  L93              Difference]: Finished difference Result 486 states and 551 transitions.
[2020-09-25 05:20:13,922 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 05:20:13,922 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-09-25 05:20:13,923 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:20:13,927 INFO  L225             Difference]: With dead ends: 486
[2020-09-25 05:20:13,928 INFO  L226             Difference]: Without dead ends: 331
[2020-09-25 05:20:13,930 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:20:13,931 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 331 states.
[2020-09-25 05:20:13,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291.
[2020-09-25 05:20:13,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 291 states.
[2020-09-25 05:20:13,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 318 transitions.
[2020-09-25 05:20:13,983 INFO  L78                 Accepts]: Start accepts. Automaton has 291 states and 318 transitions. Word has length 143
[2020-09-25 05:20:13,984 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:20:13,984 INFO  L479      AbstractCegarLoop]: Abstraction has 291 states and 318 transitions.
[2020-09-25 05:20:13,984 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:20:13,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions.
[2020-09-25 05:20:13,987 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2020-09-25 05:20:13,987 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:20:13,987 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]
[2020-09-25 05:20:13,988 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:20:13,988 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:20:13,988 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:20:13,988 INFO  L82        PathProgramCache]: Analyzing trace with hash 1892651662, now seen corresponding path program 1 times
[2020-09-25 05:20:13,988 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:20:13,989 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239511610]
[2020-09-25 05:20:13,989 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:20:14,036 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:14,088 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:14,657 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:15,096 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,038 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,039 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 181
[2020-09-25 05:20:19,039 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 05:20:19,039 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5000
[2020-09-25 05:20:19,040 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,040 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 05:20:19,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 05:20:19,041 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 66
[2020-09-25 05:20:19,041 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,367 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:20:19,368 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:20:19,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:19,456 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,681 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,682 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:20:19,682 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:19,683 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 262
[2020-09-25 05:20:19,683 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,684 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,684 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:19,684 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:19,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 05:20:19,685 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,770 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:20:19,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:19,773 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,776 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,776 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:19,777 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:19,777 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:20:19,777 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,778 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,778 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:19,778 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:19,778 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:20:19,779 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,781 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:20:19,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:19,783 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,786 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,786 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:19,787 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:19,788 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:20:19,788 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,788 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,789 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:19,789 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:19,789 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:20:19,790 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,791 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:20:19,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:19,795 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,803 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,803 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:19,804 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:19,804 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 05:20:19,804 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,805 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,805 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:19,806 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:19,806 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:20:19,806 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,808 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:20:19,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:19,812 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,816 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,817 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:19,817 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:19,818 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:20:19,818 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,818 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:19,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:19,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:20:19,820 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,821 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 05:20:19,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:19,824 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,827 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,827 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:19,828 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:19,832 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:20:19,833 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,833 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:19,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:20:19,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:19,835 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,837 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 05:20:19,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:19,839 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:19,841 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:19,842 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:19,842 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:19,842 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:19,843 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:19,843 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:19,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:19,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:20:19,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:19,845 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:19,902 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 05:20:19,903 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239511610]
[2020-09-25 05:20:19,904 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:20:19,904 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 05:20:19,905 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404820901]
[2020-09-25 05:20:19,906 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 05:20:19,907 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:20:19,908 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 05:20:19,909 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:20:19,909 INFO  L87              Difference]: Start difference. First operand 291 states and 318 transitions. Second operand 5 states.
[2020-09-25 05:20:20,619 WARN  L193               SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:20:21,393 WARN  L193               SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:20:23,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:20:23,728 INFO  L93              Difference]: Finished difference Result 792 states and 915 transitions.
[2020-09-25 05:20:23,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 05:20:23,729 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 152
[2020-09-25 05:20:23,730 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:20:23,736 INFO  L225             Difference]: With dead ends: 792
[2020-09-25 05:20:23,736 INFO  L226             Difference]: Without dead ends: 611
[2020-09-25 05:20:23,738 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:20:23,739 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 611 states.
[2020-09-25 05:20:23,826 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 536.
[2020-09-25 05:20:23,826 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 536 states.
[2020-09-25 05:20:23,830 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 604 transitions.
[2020-09-25 05:20:23,830 INFO  L78                 Accepts]: Start accepts. Automaton has 536 states and 604 transitions. Word has length 152
[2020-09-25 05:20:23,830 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:20:23,831 INFO  L479      AbstractCegarLoop]: Abstraction has 536 states and 604 transitions.
[2020-09-25 05:20:23,831 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 05:20:23,831 INFO  L276                IsEmpty]: Start isEmpty. Operand 536 states and 604 transitions.
[2020-09-25 05:20:23,834 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 05:20:23,834 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:20:23,834 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]
[2020-09-25 05:20:23,834 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:20:23,834 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:20:23,835 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:20:23,835 INFO  L82        PathProgramCache]: Analyzing trace with hash -200869376, now seen corresponding path program 1 times
[2020-09-25 05:20:23,835 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:20:23,836 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655084953]
[2020-09-25 05:20:23,836 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:20:23,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:23,943 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:24,855 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:25,201 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:25,620 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:28,925 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:28,925 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 192
[2020-09-25 05:20:28,926 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:20:28,926 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5031
[2020-09-25 05:20:28,926 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:28,926 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:28,927 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 05:20:28,927 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 150
[2020-09-25 05:20:28,927 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-25 05:20:28,927 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:20:29,277 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:20:29,278 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:20:29,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,300 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,394 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,394 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:20:29,395 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,395 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 102
[2020-09-25 05:20:29,395 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,395 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:29,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:29,396 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,440 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:20:29,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,442 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,444 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,444 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:29,445 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,445 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:29,445 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,445 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:29,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:29,446 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,448 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:20:29,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,449 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,451 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,451 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:29,452 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,452 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:29,452 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,452 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,452 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:29,453 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,453 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:29,453 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,454 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:20:29,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,456 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,460 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,461 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:29,461 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,461 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:20:29,461 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,462 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:29,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,462 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:29,462 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,464 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:20:29,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,466 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,467 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,467 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:29,468 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,468 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:29,468 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,468 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,468 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:29,469 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,469 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:29,469 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,484 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 05:20:29,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,487 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,494 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,494 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:20:29,494 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,494 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:20:29,495 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,495 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:29,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,496 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 05:20:29,496 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,500 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 05:20:29,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,503 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,509 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,510 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:29,510 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,510 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:20:29,510 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,510 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,511 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:20:29,511 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,511 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:20:29,512 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,515 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-25 05:20:29,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:29,520 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:29,531 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:29,531 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:29,532 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:29,532 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 05:20:29,533 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:29,533 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:29,533 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:20:29,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:29,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:20:29,534 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:29,641 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 05:20:29,642 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655084953]
[2020-09-25 05:20:29,643 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:20:29,643 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 05:20:29,644 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240649030]
[2020-09-25 05:20:29,646 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 05:20:29,646 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:20:29,646 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 05:20:29,647 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 05:20:29,647 INFO  L87              Difference]: Start difference. First operand 536 states and 604 transitions. Second operand 9 states.
[2020-09-25 05:20:30,291 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:20:31,770 WARN  L193               SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 05:20:32,080 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 05:20:32,460 WARN  L193               SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:20:32,774 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 05:20:33,084 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 05:20:33,998 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:20:34,294 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:20:34,652 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:20:35,826 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:20:35,826 INFO  L93              Difference]: Finished difference Result 1252 states and 1493 transitions.
[2020-09-25 05:20:35,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 05:20:35,827 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 161
[2020-09-25 05:20:35,828 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:20:35,834 INFO  L225             Difference]: With dead ends: 1252
[2020-09-25 05:20:35,835 INFO  L226             Difference]: Without dead ends: 826
[2020-09-25 05:20:35,837 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 05:20:35,838 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 826 states.
[2020-09-25 05:20:35,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 745.
[2020-09-25 05:20:35,947 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 745 states.
[2020-09-25 05:20:35,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 844 transitions.
[2020-09-25 05:20:35,953 INFO  L78                 Accepts]: Start accepts. Automaton has 745 states and 844 transitions. Word has length 161
[2020-09-25 05:20:35,953 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:20:35,953 INFO  L479      AbstractCegarLoop]: Abstraction has 745 states and 844 transitions.
[2020-09-25 05:20:35,954 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 05:20:35,954 INFO  L276                IsEmpty]: Start isEmpty. Operand 745 states and 844 transitions.
[2020-09-25 05:20:35,957 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 218
[2020-09-25 05:20:35,957 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:20:35,958 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, 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 05:20:35,958 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:20:35,958 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:20:35,958 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:20:35,959 INFO  L82        PathProgramCache]: Analyzing trace with hash -1008542969, now seen corresponding path program 1 times
[2020-09-25 05:20:35,959 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:20:35,959 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874289603]
[2020-09-25 05:20:35,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:20:36,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:36,065 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:36,512 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:41,021 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:41,021 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 264
[2020-09-25 05:20:41,021 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:20:41,021 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5009
[2020-09-25 05:20:41,022 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:41,022 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:41,022 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 05:20:41,022 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 182
[2020-09-25 05:20:41,022 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 05:20:41,023 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:20:41,286 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:20:41,287 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:20:41,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:41,311 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:41,407 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:41,407 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:20:41,408 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:41,408 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 104
[2020-09-25 05:20:41,408 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:41,409 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:41,409 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:41,409 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:41,410 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:41,410 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:41,450 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:20:41,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:41,461 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:41,463 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:41,463 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:41,463 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:41,464 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:41,464 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:41,465 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:41,465 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:41,465 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:41,466 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:41,466 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:41,467 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:20:41,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:41,469 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:41,471 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:41,471 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:41,471 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:41,472 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:20:41,472 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:41,472 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:41,472 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:41,473 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:41,473 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:41,473 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:41,474 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:20:41,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:41,476 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:41,479 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:41,479 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:20:41,479 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:41,479 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:20:41,480 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:41,480 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:41,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:41,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:41,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:41,482 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:41,483 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:20:41,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:41,485 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:41,487 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:41,487 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:20:41,487 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:41,488 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:20:41,488 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:41,489 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:41,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:20:41,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:20:41,490 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:20:41,490 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:41,503 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 05:20:41,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:41,521 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:20:41,613 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:20:41,614 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 05:20:41,614 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:20:41,614 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 99
[2020-09-25 05:20:41,614 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:20:41,615 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:20:41,615 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 05:20:41,615 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 05:20:41,615 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 05:20:41,615 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:20:41,623 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:20:41,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:20:41,643 FATAL L256   erpolLogProxyWrapper]: Now shrinking...