/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=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 07:38:14,796 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 07:38:14,801 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 07:38:14,849 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 07:38:14,849 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 07:38:14,860 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 07:38:14,861 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 07:38:14,865 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 07:38:14,868 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 07:38:14,870 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 07:38:14,871 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 07:38:14,873 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 07:38:14,873 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 07:38:14,877 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 07:38:14,879 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 07:38:14,881 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 07:38:14,883 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 07:38:14,884 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 07:38:14,886 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 07:38:14,893 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 07:38:14,895 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 07:38:14,897 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 07:38:14,898 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 07:38:14,899 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 07:38:14,903 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 07:38:14,904 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 07:38:14,904 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 07:38:14,908 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 07:38:14,908 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 07:38:14,911 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 07:38:14,911 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-09-25 07:38:14,913 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 07:38:14,914 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 07:38:14,915 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 07:38:14,916 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 07:38:14,916 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-09-25 07:38:14,917 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 07:38:14,918 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 07:38:14,920 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 07:38:14,921 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 07:38:14,970 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 07:38:14,970 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 07:38:14,972 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 07:38:14,973 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 07:38:14,973 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 07:38:14,973 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 07:38:14,974 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 07:38:14,974 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 07:38:14,974 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 07:38:14,974 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 07:38:14,975 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 07:38:14,976 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 07:38:14,976 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 07:38:14,976 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 07:38:14,977 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 07:38:14,977 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 07:38:14,977 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 07:38:14,977 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 07:38:14,977 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 07:38:14,978 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 07:38:14,978 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 07:38:14,978 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:38:14,978 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 07:38:14,978 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 07:38:14,979 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 07:38:14,979 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 07:38:14,979 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 07:38:14,979 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 07:38:14,979 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 07:38:14,980 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true;
[2020-09-25 07:38:15,443 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 07:38:15,467 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 07:38:15,472 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 07:38:15,474 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 07:38:15,475 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 07:38:15,476 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c
[2020-09-25 07:38:15,561 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c18a76d0/bc6ebca5be7a43bcbe3b53185fcfb1d4/FLAG8fd2e6dbe
[2020-09-25 07:38:16,186 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 07:38:16,187 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c
[2020-09-25 07:38:16,201 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c18a76d0/bc6ebca5be7a43bcbe3b53185fcfb1d4/FLAG8fd2e6dbe
[2020-09-25 07:38:16,450 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c18a76d0/bc6ebca5be7a43bcbe3b53185fcfb1d4
[2020-09-25 07:38:16,465 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 07:38:16,472 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 07:38:16,473 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 07:38:16,474 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 07:38:16,478 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 07:38:16,480 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:38:16" (1/1) ...
[2020-09-25 07:38:16,484 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:16, skipping insertion in model container
[2020-09-25 07:38:16,484 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:38:16" (1/1) ...
[2020-09-25 07:38:16,494 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 07:38:16,567 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 07:38:16,950 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:38:17,055 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 07:38:17,149 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:38:17,199 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 07:38:17,199 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17 WrapperNode
[2020-09-25 07:38:17,200 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 07:38:17,201 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 07:38:17,201 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 07:38:17,201 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 07:38:17,218 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (1/1) ...
[2020-09-25 07:38:17,218 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (1/1) ...
[2020-09-25 07:38:17,239 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (1/1) ...
[2020-09-25 07:38:17,240 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (1/1) ...
[2020-09-25 07:38:17,274 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (1/1) ...
[2020-09-25 07:38:17,286 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (1/1) ...
[2020-09-25 07:38:17,291 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (1/1) ...
[2020-09-25 07:38:17,299 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 07:38:17,300 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 07:38:17,300 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 07:38:17,300 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 07:38:17,301 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (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 07:38:17,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 07:38:17,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 07:38:17,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:38:17,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 07:38:17,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 07:38:17,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 07:38:17,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 07:38:17,381 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 07:38:17,381 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 07:38:17,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 07:38:17,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 07:38:17,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 07:38:17,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 07:38:17,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 07:38:17,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 07:38:17,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 07:38:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 07:38:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 07:38:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 07:38:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 07:38:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 07:38:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-09-25 07:38:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 07:38:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 07:38:17,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 07:38:17,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 07:38:17,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 07:38:17,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 07:38:17,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 07:38:17,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 07:38:17,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 07:38:17,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:38:17,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 07:38:17,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 07:38:17,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 07:38:17,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-25 07:38:17,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-25 07:38:17,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-25 07:38:17,388 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 07:38:17,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 07:38:17,390 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 07:38:17,391 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 07:38:17,391 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 07:38:17,391 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 07:38:17,391 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 07:38:17,393 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 07:38:17,393 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 07:38:17,393 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 07:38:17,393 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 07:38:17,394 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 07:38:17,394 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 07:38:17,394 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 07:38:17,394 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 07:38:17,394 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 07:38:17,395 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-25 07:38:17,395 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 07:38:17,395 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 07:38:17,395 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 07:38:17,395 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 07:38:17,395 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 07:38:17,396 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 07:38:17,396 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 07:38:17,396 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 07:38:17,396 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 07:38:17,396 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 07:38:17,396 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 07:38:17,396 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-25 07:38:17,397 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-25 07:38:17,397 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 07:38:17,397 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-09-25 07:38:17,397 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 07:38:17,398 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 07:38:17,398 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 07:38:17,398 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 07:38:17,398 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 07:38:17,398 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 07:38:17,399 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 07:38:17,399 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 07:38:17,399 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 07:38:17,399 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 07:38:17,399 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 07:38:17,399 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:38:17,400 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:38:17,400 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 07:38:17,400 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 07:38:17,400 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 07:38:17,400 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 07:38:17,400 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 07:38:17,401 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 07:38:17,401 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 07:38:18,508 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 07:38:18,509 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 07:38:18,518 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:38:18 BoogieIcfgContainer
[2020-09-25 07:38:18,519 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 07:38:18,521 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 07:38:18,521 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 07:38:18,525 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 07:38:18,525 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:38:16" (1/3) ...
[2020-09-25 07:38:18,526 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9955f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:38:18, skipping insertion in model container
[2020-09-25 07:38:18,527 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:17" (2/3) ...
[2020-09-25 07:38:18,527 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9955f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:38:18, skipping insertion in model container
[2020-09-25 07:38:18,528 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:38:18" (3/3) ...
[2020-09-25 07:38:18,530 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c
[2020-09-25 07:38:18,542 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 07:38:18,556 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 07:38:18,579 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 07:38:18,619 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 07:38:18,619 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 07:38:18,620 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 07:38:18,620 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 07:38:18,620 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 07:38:18,620 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 07:38:18,620 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 07:38:18,620 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 07:38:18,659 INFO  L276                IsEmpty]: Start isEmpty. Operand 263 states.
[2020-09-25 07:38:18,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 07:38:18,677 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:38:18,678 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:38:18,679 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:38:18,687 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:38:18,687 INFO  L82        PathProgramCache]: Analyzing trace with hash -130072577, now seen corresponding path program 1 times
[2020-09-25 07:38:18,699 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:38:18,699 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38271554]
[2020-09-25 07:38:18,700 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:38:19,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:19,247 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:19,453 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:21,272 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:21,705 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:23,466 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,050 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,051 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-25 07:38:24,051 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 07:38:24,052 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-25 07:38:24,058 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,058 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,059 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,059 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 136
[2020-09-25 07:38:24,060 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,060 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 07:38:24,611 WARN  L193               SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:38:24,613 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:24,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,636 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,749 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,749 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:38:24,750 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,750 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 122
[2020-09-25 07:38:24,750 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,750 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:24,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,751 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:24,814 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:38:24,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,816 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,818 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,818 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:24,819 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,819 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:24,819 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,819 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:24,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,820 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:24,821 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:38:24,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,823 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,825 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,826 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:24,826 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,826 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:24,826 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,827 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:24,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,828 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:24,829 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:38:24,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,831 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,836 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,836 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:24,836 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,837 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:38:24,837 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,837 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,838 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:24,838 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,838 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:24,840 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:38:24,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,844 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,847 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,847 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:24,848 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,848 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:38:24,849 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,849 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,849 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,850 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:24,850 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,850 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:24,883 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:38:24,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,886 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,889 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,889 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:38:24,889 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,890 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:38:24,890 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,891 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:24,892 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,892 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:38:24,894 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 07:38:24,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,899 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,903 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,903 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:38:24,903 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,904 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:38:24,904 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,905 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,905 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,905 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 07:38:24,906 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,906 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:38:24,909 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:24,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,912 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,915 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,915 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:24,916 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,916 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:24,917 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,917 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,917 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,918 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:24,918 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,919 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:38:24,921 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 07:38:24,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,924 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,927 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,928 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:24,928 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,929 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:38:24,929 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,930 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,930 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,930 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:38:24,930 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,931 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:24,933 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 07:38:24,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:24,936 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:24,939 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:24,939 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:24,940 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:24,940 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:38:24,941 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:24,941 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:24,941 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:24,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:38:24,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:24,942 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:24,994 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:38:24,996 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38271554]
[2020-09-25 07:38:24,998 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:38:24,999 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 07:38:25,000 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067241612]
[2020-09-25 07:38:25,008 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 07:38:25,009 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:38:25,030 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 07:38:25,031 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 07:38:25,035 INFO  L87              Difference]: Start difference. First operand 263 states. Second operand 4 states.
[2020-09-25 07:38:26,240 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:38:26,241 INFO  L93              Difference]: Finished difference Result 382 states and 453 transitions.
[2020-09-25 07:38:26,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 07:38:26,244 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-09-25 07:38:26,245 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:38:26,268 INFO  L225             Difference]: With dead ends: 382
[2020-09-25 07:38:26,268 INFO  L226             Difference]: Without dead ends: 255
[2020-09-25 07:38:26,275 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 07:38:26,307 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 255 states.
[2020-09-25 07:38:26,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 212.
[2020-09-25 07:38:26,386 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 212 states.
[2020-09-25 07:38:26,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 228 transitions.
[2020-09-25 07:38:26,391 INFO  L78                 Accepts]: Start accepts. Automaton has 212 states and 228 transitions. Word has length 160
[2020-09-25 07:38:26,392 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:38:26,393 INFO  L479      AbstractCegarLoop]: Abstraction has 212 states and 228 transitions.
[2020-09-25 07:38:26,393 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 07:38:26,393 INFO  L276                IsEmpty]: Start isEmpty. Operand 212 states and 228 transitions.
[2020-09-25 07:38:26,398 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 07:38:26,398 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:38:26,399 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:38:26,399 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 07:38:26,400 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:38:26,400 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:38:26,400 INFO  L82        PathProgramCache]: Analyzing trace with hash -1182588233, now seen corresponding path program 1 times
[2020-09-25 07:38:26,401 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:38:26,401 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484043543]
[2020-09-25 07:38:26,401 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:38:26,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:26,549 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:26,670 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:28,278 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:28,739 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:29,543 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:31,540 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:31,540 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 198
[2020-09-25 07:38:31,541 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 07:38:31,541 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5061
[2020-09-25 07:38:31,541 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:31,541 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:31,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:31,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 07:38:31,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 07:38:31,542 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:31,853 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:38:31,854 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:31,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:31,872 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:31,979 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:31,980 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:38:31,980 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:31,980 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 116
[2020-09-25 07:38:31,980 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:31,981 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:31,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:31,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:31,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:31,982 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:32,026 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:38:32,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,031 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,032 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,033 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:32,033 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,034 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:32,034 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,034 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,035 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,035 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:32,036 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,036 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:38:32,037 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:38:32,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,039 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,041 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,041 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:32,041 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,041 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:32,042 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,042 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:32,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,043 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:32,044 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:38:32,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,046 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,050 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,051 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:32,051 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,051 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:38:32,052 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,052 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,052 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,052 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:32,053 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,053 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:32,055 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:38:32,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,057 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,058 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,058 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:32,058 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,061 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:38:32,061 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,062 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:32,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,066 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 07:38:32,075 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:38:32,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,077 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,078 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,079 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:38:32,079 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,079 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:32,079 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,079 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:32,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,083 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 07:38:32,085 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 07:38:32,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,088 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,089 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,090 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:38:32,090 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,090 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:32,090 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,091 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 07:38:32,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,092 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:32,093 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:32,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,096 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,098 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,098 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:32,098 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,099 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:32,099 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,099 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:32,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,100 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:32,102 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 07:38:32,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,104 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,105 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,106 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:32,106 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,106 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:32,106 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,107 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:38:32,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,107 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:32,109 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 07:38:32,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:32,111 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:32,113 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:32,113 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:32,113 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:32,113 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:32,114 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:32,114 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:32,114 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:32,114 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:38:32,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:32,115 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:32,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:38:32,151 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484043543]
[2020-09-25 07:38:32,151 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:38:32,151 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:38:32,151 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921361803]
[2020-09-25 07:38:32,155 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:38:32,155 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:38:32,155 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:38:32,155 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:38:32,156 INFO  L87              Difference]: Start difference. First operand 212 states and 228 transitions. Second operand 5 states.
[2020-09-25 07:38:32,922 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:38:33,491 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:38:33,492 INFO  L93              Difference]: Finished difference Result 302 states and 339 transitions.
[2020-09-25 07:38:33,492 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 07:38:33,492 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 161
[2020-09-25 07:38:33,493 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:38:33,499 INFO  L225             Difference]: With dead ends: 302
[2020-09-25 07:38:33,500 INFO  L226             Difference]: Without dead ends: 244
[2020-09-25 07:38:33,504 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:38:33,505 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 244 states.
[2020-09-25 07:38:33,561 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 202.
[2020-09-25 07:38:33,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 202 states.
[2020-09-25 07:38:33,562 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 215 transitions.
[2020-09-25 07:38:33,563 INFO  L78                 Accepts]: Start accepts. Automaton has 202 states and 215 transitions. Word has length 161
[2020-09-25 07:38:33,563 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:38:33,563 INFO  L479      AbstractCegarLoop]: Abstraction has 202 states and 215 transitions.
[2020-09-25 07:38:33,563 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:38:33,564 INFO  L276                IsEmpty]: Start isEmpty. Operand 202 states and 215 transitions.
[2020-09-25 07:38:33,571 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-25 07:38:33,571 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:38:33,571 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:38:33,571 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 07:38:33,572 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:38:33,572 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:38:33,572 INFO  L82        PathProgramCache]: Analyzing trace with hash -1254300313, now seen corresponding path program 1 times
[2020-09-25 07:38:33,572 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:38:33,573 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391582211]
[2020-09-25 07:38:33,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:38:33,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:33,673 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:34,240 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:34,514 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:35,603 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:38,647 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:38,648 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-25 07:38:38,649 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 07:38:38,649 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5022
[2020-09-25 07:38:38,649 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:38,650 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:38,650 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 07:38:38,650 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 07:38:38,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 90
[2020-09-25 07:38:38,651 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:38,980 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:38:38,981 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:39,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,041 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,238 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,238 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:38:39,239 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,239 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 228
[2020-09-25 07:38:39,239 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,239 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:39,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 07:38:39,241 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,333 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:38:39,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,336 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,338 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,338 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:39,339 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,339 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:39,339 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,339 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:39,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:38:39,341 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,342 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:38:39,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,344 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,347 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,347 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:39,347 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,348 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:39,348 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,348 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,348 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:39,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:38:39,349 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,351 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:38:39,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,353 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,361 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,362 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:39,362 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,362 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 07:38:39,363 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,363 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,363 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:39,363 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,364 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:38:39,364 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,366 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:38:39,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,368 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,372 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,372 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:39,373 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,373 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:38:39,373 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,374 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:39,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:38:39,375 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,386 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:38:39,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,389 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,391 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,391 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:38:39,392 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,392 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:39,392 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,393 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,393 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:39,393 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,393 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 07:38:39,421 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 29
[2020-09-25 07:38:39,428 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 07:38:39,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,431 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,434 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,434 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:38:39,434 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,435 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:38:39,435 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,435 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,435 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:39,436 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,436 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 07:38:39,436 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,438 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:39,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,440 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,441 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,441 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:39,442 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,442 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:39,442 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,442 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,443 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:39,443 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:39,443 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:39,443 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,445 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 07:38:39,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,447 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,448 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,448 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:39,449 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,449 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:39,449 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,449 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,449 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:39,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:38:39,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:39,450 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,451 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2020-09-25 07:38:39,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:39,453 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:39,454 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:39,455 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:39,455 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:39,455 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:39,455 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:39,456 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:39,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:39,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:38:39,456 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:39,456 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:39,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:38:39,499 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391582211]
[2020-09-25 07:38:39,499 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:38:39,499 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:38:39,500 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472158146]
[2020-09-25 07:38:39,501 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:38:39,501 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:38:39,501 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:38:39,503 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:38:39,503 INFO  L87              Difference]: Start difference. First operand 202 states and 215 transitions. Second operand 5 states.
[2020-09-25 07:38:39,971 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:41,028 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:38:41,028 INFO  L93              Difference]: Finished difference Result 422 states and 481 transitions.
[2020-09-25 07:38:41,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 07:38:41,029 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 170
[2020-09-25 07:38:41,030 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:38:41,034 INFO  L225             Difference]: With dead ends: 422
[2020-09-25 07:38:41,034 INFO  L226             Difference]: Without dead ends: 335
[2020-09-25 07:38:41,035 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:38:41,036 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 335 states.
[2020-09-25 07:38:41,081 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 277.
[2020-09-25 07:38:41,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 277 states.
[2020-09-25 07:38:41,083 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 302 transitions.
[2020-09-25 07:38:41,084 INFO  L78                 Accepts]: Start accepts. Automaton has 277 states and 302 transitions. Word has length 170
[2020-09-25 07:38:41,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:38:41,084 INFO  L479      AbstractCegarLoop]: Abstraction has 277 states and 302 transitions.
[2020-09-25 07:38:41,084 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:38:41,084 INFO  L276                IsEmpty]: Start isEmpty. Operand 277 states and 302 transitions.
[2020-09-25 07:38:41,086 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2020-09-25 07:38:41,087 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:38:41,087 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:38:41,087 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 07:38:41,087 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:38:41,088 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:38:41,088 INFO  L82        PathProgramCache]: Analyzing trace with hash -2095154272, now seen corresponding path program 1 times
[2020-09-25 07:38:41,088 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:38:41,088 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900624715]
[2020-09-25 07:38:41,089 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:38:41,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:41,219 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:41,354 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:42,519 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,158 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,158 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 210
[2020-09-25 07:38:46,159 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:38:46,159 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5023
[2020-09-25 07:38:46,159 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,159 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,159 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 07:38:46,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 160
[2020-09-25 07:38:46,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 46
[2020-09-25 07:38:46,160 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:38:46,552 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:38:46,553 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:46,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,596 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,700 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,700 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:38:46,700 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,701 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 119
[2020-09-25 07:38:46,701 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,701 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,702 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:46,702 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,703 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:46,703 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,746 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:38:46,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,748 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,749 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,749 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:46,750 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,750 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:46,750 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,751 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:46,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:46,752 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,753 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:38:46,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,754 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,755 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,756 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:46,756 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,756 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:38:46,756 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,757 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,757 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:46,757 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,757 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:46,757 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:38:46,759 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:38:46,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,761 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,765 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,765 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:46,766 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,766 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:38:46,766 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,766 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,767 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:46,767 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,767 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:46,768 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,769 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:38:46,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,771 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,773 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,773 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:46,773 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,774 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:46,774 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,775 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:46,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:46,776 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,793 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:38:46,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,795 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,797 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,797 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:38:46,797 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,798 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:38:46,798 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,798 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,799 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:38:46,799 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,799 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:38:46,800 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,802 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 07:38:46,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,806 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,813 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,813 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:38:46,814 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,814 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 07:38:46,814 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,815 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,815 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:38:46,815 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,816 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:38:46,816 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,840 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:38:46,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,843 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,848 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,849 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:46,849 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,850 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 07:38:46,850 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,850 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 07:38:46,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 07:38:46,852 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,890 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 07:38:46,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,892 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,895 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,896 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:38:46,896 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,896 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:38:46,897 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,897 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,897 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:46,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:38:46,898 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,900 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 07:38:46,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,903 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,910 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,910 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:46,911 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,911 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 07:38:46,911 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,912 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,912 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:38:46,912 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,913 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:38:46,913 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,915 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 07:38:46,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:38:46,918 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:38:46,928 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:38:46,929 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:38:46,929 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:38:46,930 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 07:38:46,930 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:38:46,930 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:38:46,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:38:46,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:38:46,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:38:46,932 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:38:46,989 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:38:46,990 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900624715]
[2020-09-25 07:38:46,990 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:38:46,991 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 07:38:46,991 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22300329]
[2020-09-25 07:38:46,992 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 07:38:46,992 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:38:46,993 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 07:38:46,994 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2020-09-25 07:38:46,994 INFO  L87              Difference]: Start difference. First operand 277 states and 302 transitions. Second operand 11 states.
[2020-09-25 07:38:48,282 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:48,617 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 07:38:48,982 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:49,415 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:38:49,710 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:38:50,459 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:38:50,795 WARN  L193               SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 07:38:51,221 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:38:51,562 WARN  L193               SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 07:38:51,929 WARN  L193               SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 198
[2020-09-25 07:38:52,282 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 07:38:52,612 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:38:52,953 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 07:38:53,290 WARN  L193               SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 07:38:53,660 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 198
[2020-09-25 07:38:54,609 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 07:38:54,952 WARN  L193               SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:38:55,291 WARN  L193               SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 197
[2020-09-25 07:38:55,676 WARN  L193               SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:38:56,096 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:38:56,546 WARN  L193               SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 07:38:57,026 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:38:57,027 INFO  L93              Difference]: Finished difference Result 725 states and 866 transitions.
[2020-09-25 07:38:57,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2020-09-25 07:38:57,028 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 173
[2020-09-25 07:38:57,031 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:38:57,031 INFO  L225             Difference]: With dead ends: 725
[2020-09-25 07:38:57,031 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 07:38:57,036 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332
[2020-09-25 07:38:57,036 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 07:38:57,037 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 07:38:57,037 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 07:38:57,037 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 07:38:57,037 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173
[2020-09-25 07:38:57,037 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:38:57,037 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 07:38:57,037 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 07:38:57,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 07:38:57,038 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 07:38:57,038 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 07:38:57,040 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 07:38:57,236 WARN  L193               SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:57,410 WARN  L193               SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:38:57,579 WARN  L193               SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:38:57,746 WARN  L193               SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:38:57,914 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:38:58,077 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:58,230 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:58,362 WARN  L193               SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 17
[2020-09-25 07:38:58,634 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 196
[2020-09-25 07:38:58,784 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:59,044 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 196
[2020-09-25 07:38:59,194 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:59,343 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:38:59,493 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:38:59,648 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:38:59,804 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:38:59,953 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:39:00,123 WARN  L193               SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:00,275 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:39:00,437 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:00,591 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:39:00,761 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:00,917 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:01,065 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:39:01,214 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:39:01,377 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:01,532 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:01,681 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:39:01,841 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:01,993 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:39:02,153 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:02,309 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:39:02,469 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:02,625 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:02,783 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:02,945 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:03,105 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:03,266 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:03,411 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:39:03,559 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:39:03,670 WARN  L193               SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 11
[2020-09-25 07:39:03,819 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:39:03,967 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:39:04,123 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:04,276 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:39:04,428 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 07:39:04,576 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:39:04,724 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:39:04,885 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:05,039 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:39:05,187 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:39:05,357 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:05,517 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:05,669 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:39:05,824 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:39:05,977 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 07:39:06,130 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:39:06,280 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:39:06,424 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:39:06,580 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:39:06,728 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:39:06,888 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:07,036 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:39:07,196 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:39:07,352 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 194