/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:23:47,559 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:23:47,563 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:23:47,599 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:23:47,600 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:23:47,608 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:23:47,610 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-09-25 05:23:47,617 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:23:47,620 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-09-25 05:23:47,622 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:23:47,623 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-09-25 05:23:47,629 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:23:47,631 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:23:47,632 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:23:47,633 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:23:47,635 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:23:47,644 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:23:47,646 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:23:47,647 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:23:47,648 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:23:47,649 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:23:47,661 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:23:47,662 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:23:47,665 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:23:47,666 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:23:47,666 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:23:47,667 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:23:47,668 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-09-25 05:23:47,669 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:23:47,673 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:23:47,674 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:23:47,674 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:23:47,675 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-09-25 05:23:47,675 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-25 05:23:47,681 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:23:47,682 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 05:23:47,722 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 05:23:47,723 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:23:47,724 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:23:47,724 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 05:23:47,725 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 05:23:47,725 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:23:47,725 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 05:23:47,725 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 05:23:47,725 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 05:23:47,726 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 05:23:47,726 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:23:47,726 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:23:47,726 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:23:47,726 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 05:23:47,727 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 05:23:47,727 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 05:23:47,727 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:23:47,727 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:23:47,727 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 05:23:47,728 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 05:23:47,728 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 05:23:47,728 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:23:47,728 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:23:47,728 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:23:47,729 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:23:47,729 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 05:23:47,729 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:23:47,729 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:23:47,729 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 05:23:47,730 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:23:48,197 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:23:48,215 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:23:48,221 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:23:48,222 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 05:23:48,223 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 05:23:48,224 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c
[2020-09-25 05:23:48,307 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/579f46844/b9870bc797c74e95aaa2d166f37297de/FLAGc025ee305
[2020-09-25 05:23:48,945 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 05:23:48,946 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c
[2020-09-25 05:23:48,964 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/579f46844/b9870bc797c74e95aaa2d166f37297de/FLAGc025ee305
[2020-09-25 05:23:49,181 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/579f46844/b9870bc797c74e95aaa2d166f37297de
[2020-09-25 05:23:49,195 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:23:49,200 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:23:49,201 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:23:49,201 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:23:49,205 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:23:49,207 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:49,211 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49, skipping insertion in model container
[2020-09-25 05:23:49,212 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:49,221 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 05:23:49,302 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:23:49,725 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:23:49,741 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 05:23:49,931 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:23:49,983 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 05:23:49,985 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49 WrapperNode
[2020-09-25 05:23:49,985 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:23:49,986 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:23:49,986 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:23:49,986 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:23:50,002 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:50,003 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:50,024 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:50,025 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:50,061 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:50,073 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:50,079 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
[2020-09-25 05:23:50,087 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:23:50,088 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:23:50,088 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:23:50,088 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:23:50,090 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:23:50,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:23:50,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:23:50,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:23:50,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-25 05:23:50,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-25 05:23:50,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-25 05:23:50,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 05:23:50,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 05:23:50,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 05:23:50,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 05:23:50,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 05:23:50,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 05:23:50,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 05:23:50,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 05:23:50,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 05:23:50,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 05:23:50,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 05:23:50,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 05:23:50,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 05:23:50,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 05:23:50,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 05:23:50,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 05:23:50,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 05:23:50,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 05:23:50,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 05:23:50,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 05:23:50,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 05:23:50,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 05:23:50,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 05:23:50,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 05:23:50,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 05:23:50,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 05:23:50,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 05:23:50,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 05:23:50,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:23:50,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 05:23:50,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 05:23:50,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 05:23:50,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 05:23:50,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 05:23:50,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 05:23:50,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 05:23:50,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:23:50,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 05:23:50,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 05:23:50,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 05:23:50,194 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:23:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:23:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 05:23:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 05:23:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 05:23:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 05:23:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-25 05:23:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-25 05:23:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-25 05:23:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 05:23:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 05:23:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 05:23:50,197 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 05:23:50,197 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 05:23:50,197 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 05:23:50,197 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 05:23:50,197 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 05:23:50,197 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 05:23:50,197 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 05:23:50,198 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 05:23:50,198 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 05:23:50,198 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 05:23:50,198 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 05:23:50,198 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 05:23:50,198 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 05:23:50,198 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 05:23:50,199 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 05:23:50,199 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 05:23:50,199 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 05:23:50,199 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 05:23:50,199 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 05:23:50,199 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 05:23:50,200 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:23:50,201 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:23:50,202 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 05:23:50,203 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:23:51,444 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:23:51,444 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 05:23:51,452 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:51 BoogieIcfgContainer
[2020-09-25 05:23:51,452 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:23:51,454 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:23:51,454 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:23:51,457 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:23:51,458 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:23:49" (1/3) ...
[2020-09-25 05:23:51,459 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dae1128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:51, skipping insertion in model container
[2020-09-25 05:23:51,459 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (2/3) ...
[2020-09-25 05:23:51,459 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dae1128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:51, skipping insertion in model container
[2020-09-25 05:23:51,460 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:51" (3/3) ...
[2020-09-25 05:23:51,462 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c
[2020-09-25 05:23:51,474 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:23:51,486 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:23:51,508 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:23:51,542 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:23:51,543 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 05:23:51,543 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:23:51,543 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:23:51,543 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:23:51,543 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 05:23:51,543 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:23:51,544 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:23:51,573 INFO  L276                IsEmpty]: Start isEmpty. Operand 369 states.
[2020-09-25 05:23:51,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 05:23:51,593 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:23:51,595 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 05:23:51,595 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:23:51,603 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:23:51,604 INFO  L82        PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times
[2020-09-25 05:23:51,615 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:23:51,616 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181670416]
[2020-09-25 05:23:51,616 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:23:52,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:52,165 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:52,356 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:53,820 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:53,956 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:57,022 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:57,023 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-25 05:23:57,023 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:23:57,023 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5002
[2020-09-25 05:23:57,028 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:57,029 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:57,029 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:57,030 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 136
[2020-09-25 05:23:57,030 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:57,030 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 05:23:57,673 WARN  L193               SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:23:57,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:23:57,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:57,747 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:57,902 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:57,902 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 05:23:57,902 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:57,903 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 177
[2020-09-25 05:23:57,903 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:57,903 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:57,903 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:57,904 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:23:57,904 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:57,904 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:57,979 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 05:23:57,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:57,982 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:57,984 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:57,984 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:23:57,984 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:57,985 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:23:57,985 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:57,985 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:57,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:57,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:23:57,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:57,986 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:57,991 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 05:23:57,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:57,997 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:57,999 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:57,999 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:23:58,000 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,000 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:23:58,000 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,000 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,001 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,001 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:23:58,001 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,001 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:58,004 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 05:23:58,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:58,007 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:58,011 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:58,012 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:23:58,012 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,012 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:23:58,013 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,013 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,013 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,013 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:23:58,013 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,014 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:58,016 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 05:23:58,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:58,022 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:58,024 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:58,025 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:23:58,025 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,025 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:23:58,025 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,026 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:23:58,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,026 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:58,041 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 05:23:58,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:58,043 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:58,045 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:58,045 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:23:58,045 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,045 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:23:58,045 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,046 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,046 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,046 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:23:58,046 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,047 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:58,049 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 05:23:58,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:58,057 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:58,060 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:58,060 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 05:23:58,060 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,061 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:23:58,061 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,061 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,061 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,061 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 05:23:58,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,063 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:58,067 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:23:58,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:58,069 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:58,072 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:58,073 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:23:58,073 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,073 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:23:58,074 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,078 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:23:58,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,079 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 05:23:58,082 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 05:23:58,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:58,086 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:58,090 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:58,090 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:23:58,090 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,090 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:23:58,091 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,091 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,091 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:23:58,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,095 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 05:23:58,097 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 05:23:58,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:23:58,100 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:23:58,114 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:23:58,114 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:23:58,115 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:23:58,115 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 05:23:58,115 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:23:58,115 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:23:58,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:23:58,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:23:58,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:23:58,116 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:23:58,192 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 05:23:58,193 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181670416]
[2020-09-25 05:23:58,196 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:23:58,197 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:23:58,198 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553515322]
[2020-09-25 05:23:58,209 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:23:58,210 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:23:58,228 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:23:58,229 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:23:58,232 INFO  L87              Difference]: Start difference. First operand 369 states. Second operand 4 states.
[2020-09-25 05:23:59,890 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:23:59,891 INFO  L93              Difference]: Finished difference Result 604 states and 711 transitions.
[2020-09-25 05:23:59,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 05:23:59,893 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-09-25 05:23:59,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:23:59,915 INFO  L225             Difference]: With dead ends: 604
[2020-09-25 05:23:59,916 INFO  L226             Difference]: Without dead ends: 371
[2020-09-25 05:23:59,923 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 05:23:59,947 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 371 states.
[2020-09-25 05:24:00,072 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 318.
[2020-09-25 05:24:00,074 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 318 states.
[2020-09-25 05:24:00,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 350 transitions.
[2020-09-25 05:24:00,080 INFO  L78                 Accepts]: Start accepts. Automaton has 318 states and 350 transitions. Word has length 160
[2020-09-25 05:24:00,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:24:00,084 INFO  L479      AbstractCegarLoop]: Abstraction has 318 states and 350 transitions.
[2020-09-25 05:24:00,084 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:24:00,084 INFO  L276                IsEmpty]: Start isEmpty. Operand 318 states and 350 transitions.
[2020-09-25 05:24:00,099 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 05:24:00,100 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:24:00,100 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 05:24:00,101 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:24:00,101 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:24:00,101 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:24:00,101 INFO  L82        PathProgramCache]: Analyzing trace with hash -1396350800, now seen corresponding path program 1 times
[2020-09-25 05:24:00,102 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:24:00,102 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427146822]
[2020-09-25 05:24:00,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:24:00,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:00,217 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:00,343 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:01,931 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:02,374 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:03,493 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,187 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,187 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 198
[2020-09-25 05:24:05,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 05:24:05,188 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5023
[2020-09-25 05:24:05,188 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,188 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:24:05,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 05:24:05,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:24:05,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,647 WARN  L193               SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:24:05,651 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:05,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,677 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,798 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,798 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 05:24:05,798 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,798 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 130
[2020-09-25 05:24:05,799 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,799 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,799 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,799 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:05,800 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,800 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,844 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 05:24:05,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,846 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,848 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,848 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:05,849 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,849 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:05,849 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,850 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,850 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,850 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:05,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,851 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,852 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 05:24:05,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,854 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,856 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,856 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:05,857 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,857 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:05,858 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,858 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,858 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,859 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:05,859 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,859 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:24:05,861 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 05:24:05,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,864 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,872 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,873 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:05,873 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,873 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 05:24:05,874 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,874 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,875 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,875 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:05,875 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,876 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,878 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 05:24:05,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,880 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,882 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,882 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:05,883 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,884 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:05,885 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,885 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,885 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,886 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:05,886 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,886 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,901 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 05:24:05,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,903 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,905 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,905 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:24:05,905 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,905 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:05,906 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,906 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,906 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,906 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:05,906 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,907 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,908 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 05:24:05,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,911 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,913 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,914 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 05:24:05,914 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,914 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:05,914 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,914 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,915 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,915 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 05:24:05,915 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,915 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,917 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:05,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,919 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,921 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,922 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:05,922 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,922 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:05,922 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,922 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,923 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,923 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:05,923 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,923 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,925 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 05:24:05,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,927 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,929 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,930 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:05,930 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,930 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:05,930 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,930 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:24:05,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,931 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:05,933 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 05:24:05,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:05,935 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:05,937 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:05,937 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:05,937 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:05,937 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:05,938 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:05,938 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:05,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:05,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:24:05,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:05,939 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:05,971 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 05:24:05,972 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427146822]
[2020-09-25 05:24:05,972 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:24:05,973 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 05:24:05,973 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635687848]
[2020-09-25 05:24:05,976 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 05:24:05,977 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:24:05,977 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 05:24:05,977 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:24:05,977 INFO  L87              Difference]: Start difference. First operand 318 states and 350 transitions. Second operand 5 states.
[2020-09-25 05:24:06,631 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:24:07,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:24:07,964 INFO  L93              Difference]: Finished difference Result 523 states and 595 transitions.
[2020-09-25 05:24:07,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 05:24:07,965 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 161
[2020-09-25 05:24:07,966 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:24:07,979 INFO  L225             Difference]: With dead ends: 523
[2020-09-25 05:24:07,979 INFO  L226             Difference]: Without dead ends: 360
[2020-09-25 05:24:07,984 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:24:07,986 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2020-09-25 05:24:08,061 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 308.
[2020-09-25 05:24:08,062 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 308 states.
[2020-09-25 05:24:08,065 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions.
[2020-09-25 05:24:08,065 INFO  L78                 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 161
[2020-09-25 05:24:08,067 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:24:08,067 INFO  L479      AbstractCegarLoop]: Abstraction has 308 states and 337 transitions.
[2020-09-25 05:24:08,068 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 05:24:08,068 INFO  L276                IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions.
[2020-09-25 05:24:08,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-09-25 05:24:08,070 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:24:08,071 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:24:08,071 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:24:08,071 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:24:08,071 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:24:08,071 INFO  L82        PathProgramCache]: Analyzing trace with hash -877752548, now seen corresponding path program 1 times
[2020-09-25 05:24:08,072 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:24:08,072 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923147716]
[2020-09-25 05:24:08,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:24:08,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:08,176 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:08,403 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:08,575 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:10,338 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,141 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,141 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 211
[2020-09-25 05:24:13,143 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:24:13,143 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5017
[2020-09-25 05:24:13,144 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,144 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:24:13,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 153
[2020-09-25 05:24:13,145 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 05:24:13,145 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,430 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:24:13,431 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:13,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,448 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,531 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,531 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 05:24:13,531 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,532 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 90
[2020-09-25 05:24:13,532 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,532 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,532 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,533 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,533 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,533 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,563 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 05:24:13,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,565 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,566 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,566 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:13,566 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,566 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:24:13,567 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,567 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,567 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,567 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,567 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,567 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:13,568 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 05:24:13,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,570 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,571 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,571 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:13,571 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,571 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:24:13,572 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,572 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,572 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,572 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,572 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,573 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,574 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 05:24:13,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,575 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,579 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,579 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:13,579 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:24:13,580 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,580 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,581 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:13,582 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 05:24:13,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,584 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,585 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,585 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:13,585 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,586 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:24:13,586 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,586 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,587 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,587 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,587 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,587 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,599 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 05:24:13,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,602 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,603 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,603 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:24:13,604 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,604 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:13,604 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,605 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,606 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,606 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,617 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 05:24:13,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,620 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,623 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,623 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:24:13,623 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,623 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:24:13,624 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,624 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,624 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:24:13,624 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,624 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 05:24:13,625 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:13,627 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 05:24:13,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,631 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,634 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,634 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 05:24:13,634 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,635 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:24:13,635 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,635 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,635 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:24:13,635 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,636 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 05:24:13,636 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,638 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:13,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,639 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,641 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,641 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:13,641 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,641 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:24:13,641 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,642 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,642 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,642 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:13,642 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,642 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,644 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 05:24:13,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,646 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,648 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,648 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:13,648 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,649 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:13,649 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,649 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,649 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,650 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:24:13,650 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,650 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,652 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2020-09-25 05:24:13,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:13,654 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:13,655 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:13,656 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:13,656 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:13,657 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:13,657 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:13,657 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:13,657 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:13,657 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:24:13,658 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:13,658 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:13,707 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 05:24:13,707 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923147716]
[2020-09-25 05:24:13,708 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:24:13,708 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 05:24:13,708 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635326936]
[2020-09-25 05:24:13,709 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 05:24:13,709 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:24:13,709 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 05:24:13,710 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 05:24:13,710 INFO  L87              Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 6 states.
[2020-09-25 05:24:14,327 WARN  L193               SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 05:24:17,171 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:24:17,171 INFO  L93              Difference]: Finished difference Result 780 states and 907 transitions.
[2020-09-25 05:24:17,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 05:24:17,172 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 174
[2020-09-25 05:24:17,173 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:24:17,177 INFO  L225             Difference]: With dead ends: 780
[2020-09-25 05:24:17,178 INFO  L226             Difference]: Without dead ends: 587
[2020-09-25 05:24:17,179 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-09-25 05:24:17,180 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 587 states.
[2020-09-25 05:24:17,261 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 491.
[2020-09-25 05:24:17,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 491 states.
[2020-09-25 05:24:17,264 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 550 transitions.
[2020-09-25 05:24:17,264 INFO  L78                 Accepts]: Start accepts. Automaton has 491 states and 550 transitions. Word has length 174
[2020-09-25 05:24:17,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:24:17,265 INFO  L479      AbstractCegarLoop]: Abstraction has 491 states and 550 transitions.
[2020-09-25 05:24:17,265 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 05:24:17,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 491 states and 550 transitions.
[2020-09-25 05:24:17,268 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2020-09-25 05:24:17,268 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:24:17,268 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:24:17,268 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:24:17,269 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:24:17,269 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:24:17,269 INFO  L82        PathProgramCache]: Analyzing trace with hash -827236399, now seen corresponding path program 1 times
[2020-09-25 05:24:17,269 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:24:17,270 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246637941]
[2020-09-25 05:24:17,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:24:17,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:17,369 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:17,587 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:18,047 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:20,359 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,329 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,329 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 216
[2020-09-25 05:24:22,329 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:24:22,330 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5008
[2020-09-25 05:24:22,330 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,330 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,330 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 05:24:22,331 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 157
[2020-09-25 05:24:22,331 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 54
[2020-09-25 05:24:22,331 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:22,742 WARN  L193               SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:24:22,744 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:22,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,762 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,847 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,847 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 05:24:22,847 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,847 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 05:24:22,848 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,848 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,848 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:22,848 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,848 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:22,848 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:22,879 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 05:24:22,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,881 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,883 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,883 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:22,883 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,883 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:22,884 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,884 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,884 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:22,884 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,885 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:22,885 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:22,886 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 05:24:22,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,888 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,889 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,889 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:22,890 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,890 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:22,890 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,890 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:22,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:22,891 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:22,892 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 05:24:22,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,894 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,896 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,896 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:22,896 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,896 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:22,897 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,897 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,897 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:22,897 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,897 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:22,898 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:22,899 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 05:24:22,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,901 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,902 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,902 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:22,902 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,902 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:24:22,903 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,903 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,903 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:22,903 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,904 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:22,904 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:22,919 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 05:24:22,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,921 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,922 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,923 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:24:22,923 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,923 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:24:22,923 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,923 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:22,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:22,924 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:22,939 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-09-25 05:24:22,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,942 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,946 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,946 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:24:22,947 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,947 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:24:22,947 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,947 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,947 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:24:22,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 05:24:22,948 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:22,950 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 05:24:22,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,954 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,961 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,962 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 05:24:22,962 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,962 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 05:24:22,962 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,963 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,963 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:24:22,963 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,963 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 05:24:22,964 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:22,967 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:22,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,969 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,971 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,971 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:22,972 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,972 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:22,973 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,973 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,973 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:22,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:22,974 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:22,976 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 05:24:22,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,980 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:22,983 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:22,983 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:22,984 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:22,984 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:24:22,984 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:22,985 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:22,985 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:24:22,985 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:22,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:24:22,986 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:22,988 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166
[2020-09-25 05:24:22,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:22,993 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:23,003 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:23,004 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:23,004 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:23,005 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 05:24:23,005 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:23,005 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:23,006 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:24:23,006 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:23,006 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:24:23,007 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:23,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-09-25 05:24:23,140 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246637941]
[2020-09-25 05:24:23,140 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:24:23,141 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 05:24:23,141 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715244256]
[2020-09-25 05:24:23,142 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 05:24:23,142 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:24:23,142 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 05:24:23,143 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 05:24:23,144 INFO  L87              Difference]: Start difference. First operand 491 states and 550 transitions. Second operand 10 states.
[2020-09-25 05:24:23,854 WARN  L193               SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 05:24:24,816 WARN  L193               SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 05:24:25,198 WARN  L193               SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 05:24:26,793 WARN  L193               SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:24:27,140 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 05:24:27,514 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 05:24:28,252 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 05:24:28,597 WARN  L193               SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 197
[2020-09-25 05:24:28,919 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 05:24:29,891 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:24:29,892 INFO  L93              Difference]: Finished difference Result 1184 states and 1411 transitions.
[2020-09-25 05:24:29,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 05:24:29,893 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 179
[2020-09-25 05:24:29,893 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:24:29,900 INFO  L225             Difference]: With dead ends: 1184
[2020-09-25 05:24:29,901 INFO  L226             Difference]: Without dead ends: 808
[2020-09-25 05:24:29,903 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-25 05:24:29,904 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 808 states.
[2020-09-25 05:24:29,993 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 721.
[2020-09-25 05:24:29,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 721 states.
[2020-09-25 05:24:29,998 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 810 transitions.
[2020-09-25 05:24:29,998 INFO  L78                 Accepts]: Start accepts. Automaton has 721 states and 810 transitions. Word has length 179
[2020-09-25 05:24:29,999 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:24:29,999 INFO  L479      AbstractCegarLoop]: Abstraction has 721 states and 810 transitions.
[2020-09-25 05:24:29,999 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 05:24:30,000 INFO  L276                IsEmpty]: Start isEmpty. Operand 721 states and 810 transitions.
[2020-09-25 05:24:30,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2020-09-25 05:24:30,004 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:24:30,004 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:24:30,004 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:24:30,005 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:24:30,005 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:24:30,005 INFO  L82        PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times
[2020-09-25 05:24:30,005 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:24:30,006 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349370600]
[2020-09-25 05:24:30,006 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:24:30,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:30,117 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:30,882 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:30,882 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 294
[2020-09-25 05:24:30,882 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:30,883 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 818
[2020-09-25 05:24:30,883 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:30,883 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:30,883 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 05:24:30,884 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 211
[2020-09-25 05:24:30,884 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 05:24:30,884 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,266 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:24:31,267 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:31,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,287 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,387 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,387 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 05:24:31,387 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,387 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 108
[2020-09-25 05:24:31,388 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,388 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,388 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:31,419 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 05:24:31,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,421 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,424 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,424 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:31,424 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,424 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:31,425 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,425 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,425 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,426 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,426 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,426 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,427 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 05:24:31,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,429 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,431 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,431 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:31,431 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,431 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:31,432 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,432 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,432 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,432 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,432 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,433 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,434 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 05:24:31,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,435 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,439 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,439 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:31,440 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,440 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:24:31,440 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,440 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,440 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,441 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,441 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,441 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,442 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 05:24:31,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,444 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,446 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,446 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:24:31,447 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,447 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:31,447 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,447 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,448 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,448 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,448 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,448 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:31,460 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 05:24:31,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,462 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,465 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,465 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:24:31,465 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,466 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:31,466 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,466 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,466 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,466 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,467 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,467 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,475 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 05:24:31,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,477 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,479 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,480 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:24:31,480 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,481 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:31,481 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,481 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,482 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,482 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,483 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 05:24:31,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,485 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,487 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,488 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 05:24:31,488 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,488 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:31,488 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,488 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,489 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:31,491 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:24:31,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,492 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,494 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,494 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:31,494 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,495 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:31,495 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,495 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:31,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,496 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:31,496 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,505 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 05:24:31,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,525 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,627 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,628 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 05:24:31,628 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,628 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 113
[2020-09-25 05:24:31,628 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,629 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,629 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 05:24:31,629 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 05:24:31,629 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 05:24:31,629 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:31,638 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:24:31,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,650 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,749 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,750 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 79
[2020-09-25 05:24:31,750 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,750 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 105
[2020-09-25 05:24:31,750 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,750 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 05:24:31,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 05:24:31,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 05:24:31,751 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,758 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:24:31,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,768 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,858 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,858 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 05:24:31,858 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,859 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 95
[2020-09-25 05:24:31,859 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,859 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,859 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 05:24:31,860 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 05:24:31,860 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 05:24:31,860 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:31,883 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:24:31,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:31,890 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:31,927 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:31,928 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 05:24:31,928 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:31,928 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 40
[2020-09-25 05:24:31,928 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:31,929 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:31,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:24:31,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:31,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 05:24:31,929 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:32,001 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 05:24:32,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:32,004 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:32,010 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:32,010 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 05:24:32,010 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:32,011 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:24:32,011 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:32,011 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:32,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:32,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:32,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:32,012 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:32,017 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 05:24:32,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:32,026 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:32,038 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:32,038 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 05:24:32,039 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:32,039 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 05:24:32,039 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:32,039 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:32,039 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:32,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 05:24:32,040 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:32,040 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:32,043 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 05:24:32,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:32,046 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:32,048 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:32,048 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 05:24:32,048 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:32,048 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:32,049 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:32,049 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:32,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:32,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:32,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:32,050 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:32,051 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 05:24:32,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:32,054 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:32,057 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:32,057 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:32,057 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:32,057 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:24:32,058 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:32,058 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:32,058 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:32,058 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:32,058 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:32,059 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:32,062 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-25 05:24:32,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:32,064 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:32,066 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:32,066 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:24:32,066 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:32,066 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:32,067 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:32,067 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:32,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:32,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:24:32,068 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:32,068 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:24:32,077 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216
[2020-09-25 05:24:32,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:32,079 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:32,080 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:32,081 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:32,081 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:32,081 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:32,081 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:32,081 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:32,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:32,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:24:32,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:32,082 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:32,083 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226
[2020-09-25 05:24:32,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:24:32,085 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:24:32,087 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:24:32,087 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:24:32,087 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:24:32,087 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:24:32,087 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:24:32,088 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:24:32,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:24:32,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:24:32,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:24:32,088 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:24:32,127 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 05:24:32,127 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349370600]
[2020-09-25 05:24:32,127 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:24:32,127 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 05:24:32,128 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960681589]
[2020-09-25 05:24:32,128 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 05:24:32,129 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:24:32,129 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 05:24:32,129 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-09-25 05:24:32,129 INFO  L87              Difference]: Start difference. First operand 721 states and 810 transitions. Second operand 11 states.
[2020-09-25 05:24:34,010 WARN  L193               SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 05:24:34,373 WARN  L193               SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 05:24:34,729 WARN  L193               SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 197
[2020-09-25 05:24:35,047 WARN  L193               SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:24:35,373 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 05:24:35,674 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190