/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 07:40:08,938 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 07:40:08,943 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 07:40:08,991 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 07:40:08,991 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 07:40:09,001 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 07:40:09,004 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 07:40:09,007 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 07:40:09,010 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 07:40:09,014 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-09-25 07:40:09,016 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 07:40:09,016 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 07:40:09,019 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 07:40:09,023 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 07:40:09,026 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 07:40:09,027 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 07:40:09,029 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 07:40:09,031 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 07:40:09,035 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 07:40:09,039 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 07:40:09,040 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 07:40:09,042 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 07:40:09,043 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 07:40:09,048 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 07:40:09,048 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 07:40:09,048 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 07:40:09,051 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 07:40:09,052 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 07:40:09,053 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 07:40:09,053 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-09-25 07:40:09,055 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 07:40:09,055 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 07:40:09,057 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 07:40:09,057 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 07:40:09,058 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 07:40:09,058 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 07:40:09,058 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 07:40:09,059 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 07:40:09,060 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 07:40:09,061 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 07:40:09,111 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 07:40:09,111 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 07:40:09,114 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 07:40:09,114 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 07:40:09,114 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 07:40:09,115 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 07:40:09,115 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 07:40:09,115 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 07:40:09,116 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 07:40:09,116 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 07:40:09,117 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 07:40:09,117 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 07:40:09,117 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 07:40:09,118 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 07:40:09,118 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 07:40:09,118 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 07:40:09,118 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 07:40:09,119 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 07:40:09,119 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 07:40:09,119 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 07:40:09,119 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 07:40:09,120 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:40:09,120 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 07:40:09,120 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 07:40:09,120 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 07:40:09,120 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 07:40:09,121 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 07:40:09,121 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 07:40:09,121 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 07:40:09,121 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
[2020-09-25 07:40:09,563 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 07:40:09,591 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 07:40:09,597 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 07:40:09,598 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 07:40:09,599 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 07:40:09,600 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c
[2020-09-25 07:40:09,691 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e2fc4b87/baad511375344d93b2428551e86f1b25/FLAGd1309058f
[2020-09-25 07:40:10,278 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 07:40:10,279 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c
[2020-09-25 07:40:10,299 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e2fc4b87/baad511375344d93b2428551e86f1b25/FLAGd1309058f
[2020-09-25 07:40:10,577 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e2fc4b87/baad511375344d93b2428551e86f1b25
[2020-09-25 07:40:10,593 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 07:40:10,600 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 07:40:10,603 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 07:40:10,604 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 07:40:10,608 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 07:40:10,609 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:40:10" (1/1) ...
[2020-09-25 07:40:10,614 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:10, skipping insertion in model container
[2020-09-25 07:40:10,615 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:40:10" (1/1) ...
[2020-09-25 07:40:10,622 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 07:40:10,671 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 07:40:11,032 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:40:11,166 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 07:40:11,279 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:40:11,321 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 07:40:11,322 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11 WrapperNode
[2020-09-25 07:40:11,322 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 07:40:11,323 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 07:40:11,323 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 07:40:11,323 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 07:40:11,348 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
[2020-09-25 07:40:11,348 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
[2020-09-25 07:40:11,368 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
[2020-09-25 07:40:11,369 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
[2020-09-25 07:40:11,408 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
[2020-09-25 07:40:11,428 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
[2020-09-25 07:40:11,433 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
[2020-09-25 07:40:11,442 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 07:40:11,443 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 07:40:11,443 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 07:40:11,443 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 07:40:11,444 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:40:11,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 07:40:11,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 07:40:11,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:40:11,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 07:40:11,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 07:40:11,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 07:40:11,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 07:40:11,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 07:40:11,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 07:40:11,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 07:40:11,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 07:40:11,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 07:40:11,546 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:40:11,546 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 07:40:11,546 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 07:40:11,546 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 07:40:11,546 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 07:40:11,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 07:40:11,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 07:40:11,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 07:40:11,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 07:40:11,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 07:40:11,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 07:40:11,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 07:40:11,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 07:40:11,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 07:40:11,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 07:40:11,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 07:40:11,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 07:40:11,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 07:40:11,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 07:40:11,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 07:40:11,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 07:40:11,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 07:40:11,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 07:40:11,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 07:40:11,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 07:40:11,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 07:40:11,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 07:40:11,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-25 07:40:11,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-25 07:40:11,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-25 07:40:11,551 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 07:40:11,551 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 07:40:11,551 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 07:40:11,551 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 07:40:11,552 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 07:40:11,552 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 07:40:11,552 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 07:40:11,552 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 07:40:11,552 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 07:40:11,552 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 07:40:11,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 07:40:11,553 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 07:40:11,553 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 07:40:11,553 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 07:40:11,553 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 07:40:11,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 07:40:11,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 07:40:11,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 07:40:11,554 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 07:40:11,554 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 07:40:11,554 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 07:40:11,554 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:40:11,555 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:40:11,555 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 07:40:11,555 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 07:40:11,555 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 07:40:11,555 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 07:40:11,555 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 07:40:11,555 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 07:40:11,556 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 07:40:11,556 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 07:40:11,556 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 07:40:11,556 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 07:40:11,556 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 07:40:11,556 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-25 07:40:11,557 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-25 07:40:11,557 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 07:40:11,557 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 07:40:11,557 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 07:40:11,557 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 07:40:11,557 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 07:40:11,558 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 07:40:11,558 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 07:40:11,558 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 07:40:11,558 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 07:40:11,558 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 07:40:11,558 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 07:40:11,559 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 07:40:11,559 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 07:40:11,559 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-25 07:40:11,559 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 07:40:11,559 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 07:40:11,559 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 07:40:11,560 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 07:40:11,560 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 07:40:11,560 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 07:40:12,899 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 07:40:12,899 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 07:40:12,907 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:40:12 BoogieIcfgContainer
[2020-09-25 07:40:12,907 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 07:40:12,908 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 07:40:12,908 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 07:40:12,912 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 07:40:12,913 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:40:10" (1/3) ...
[2020-09-25 07:40:12,914 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f1e317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:40:12, skipping insertion in model container
[2020-09-25 07:40:12,914 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:40:11" (2/3) ...
[2020-09-25 07:40:12,914 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f1e317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:40:12, skipping insertion in model container
[2020-09-25 07:40:12,915 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:40:12" (3/3) ...
[2020-09-25 07:40:12,917 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c
[2020-09-25 07:40:12,926 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 07:40:12,938 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 07:40:12,959 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 07:40:12,997 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 07:40:12,998 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 07:40:12,998 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 07:40:12,998 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 07:40:12,998 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 07:40:12,998 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 07:40:12,998 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 07:40:12,999 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 07:40:13,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 326 states.
[2020-09-25 07:40:13,047 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 07:40:13,048 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:40:13,049 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:40:13,050 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:40:13,057 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:40:13,058 INFO  L82        PathProgramCache]: Analyzing trace with hash -1132386032, now seen corresponding path program 1 times
[2020-09-25 07:40:13,068 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:40:13,068 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968367034]
[2020-09-25 07:40:13,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:40:13,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:13,673 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:13,839 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:15,490 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:15,747 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:18,522 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:18,522 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-25 07:40:18,523 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 07:40:18,523 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5047
[2020-09-25 07:40:18,528 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:18,529 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:18,538 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:18,538 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 136
[2020-09-25 07:40:18,540 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:18,540 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 16
[2020-09-25 07:40:18,976 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:40:18,978 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:18,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,004 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,115 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,116 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:40:19,116 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,116 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 120
[2020-09-25 07:40:19,117 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,117 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:19,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,118 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,179 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:40:19,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,182 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,186 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,187 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:19,187 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,187 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:40:19,187 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,188 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:19,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,189 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,192 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:40:19,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,196 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,199 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,199 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:19,199 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,199 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:40:19,200 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,200 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,200 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,200 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:19,201 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,201 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,203 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:40:19,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,205 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,210 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,210 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:19,210 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,210 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:40:19,211 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,211 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,211 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,211 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:19,211 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,212 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,217 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:40:19,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,219 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,222 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,222 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:19,222 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,223 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:19,223 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,223 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,223 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,223 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:19,224 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,224 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,233 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:40:19,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,236 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,238 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,239 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:19,239 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,239 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:19,239 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,240 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:19,240 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,240 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,243 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 07:40:19,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,251 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,253 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,254 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:40:19,254 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,254 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:40:19,255 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,255 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 07:40:19,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,256 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,260 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:19,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,263 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,265 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,266 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:19,266 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,266 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:19,267 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,267 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,267 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,267 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:19,267 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,268 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,271 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 07:40:19,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,276 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,286 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,287 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:19,287 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,287 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:40:19,287 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,287 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:19,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,288 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,291 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 07:40:19,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:19,294 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:19,298 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:19,298 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:19,298 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:19,301 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:40:19,303 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:19,303 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:19,303 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:19,303 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:19,304 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:19,304 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:19,371 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:40:19,372 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968367034]
[2020-09-25 07:40:19,374 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:40:19,375 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 07:40:19,376 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426158041]
[2020-09-25 07:40:19,383 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 07:40:19,384 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:40:19,404 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 07:40:19,405 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 07:40:19,408 INFO  L87              Difference]: Start difference. First operand 326 states. Second operand 4 states.
[2020-09-25 07:40:20,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:40:20,824 INFO  L93              Difference]: Finished difference Result 514 states and 599 transitions.
[2020-09-25 07:40:20,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 07:40:20,826 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-09-25 07:40:20,827 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:40:20,849 INFO  L225             Difference]: With dead ends: 514
[2020-09-25 07:40:20,850 INFO  L226             Difference]: Without dead ends: 324
[2020-09-25 07:40:20,856 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 07:40:20,882 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 324 states.
[2020-09-25 07:40:20,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 275.
[2020-09-25 07:40:20,967 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 275 states.
[2020-09-25 07:40:20,970 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 297 transitions.
[2020-09-25 07:40:20,972 INFO  L78                 Accepts]: Start accepts. Automaton has 275 states and 297 transitions. Word has length 160
[2020-09-25 07:40:20,973 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:40:20,973 INFO  L479      AbstractCegarLoop]: Abstraction has 275 states and 297 transitions.
[2020-09-25 07:40:20,974 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 07:40:20,974 INFO  L276                IsEmpty]: Start isEmpty. Operand 275 states and 297 transitions.
[2020-09-25 07:40:20,978 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 07:40:20,979 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:40:20,979 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:40:20,979 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 07:40:20,980 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:40:20,980 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:40:20,980 INFO  L82        PathProgramCache]: Analyzing trace with hash 411704185, now seen corresponding path program 1 times
[2020-09-25 07:40:20,980 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:40:20,981 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747827155]
[2020-09-25 07:40:20,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:40:21,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:21,098 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:21,202 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:22,851 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:23,287 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:24,321 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,042 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,043 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 198
[2020-09-25 07:40:26,043 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 07:40:26,043 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5000
[2020-09-25 07:40:26,043 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,043 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:40:26,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 07:40:26,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 07:40:26,044 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,345 WARN  L193               SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:40:26,347 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:26,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,367 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,471 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,471 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:40:26,472 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,472 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 112
[2020-09-25 07:40:26,472 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,472 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,473 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,473 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:26,473 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,473 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,508 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:40:26,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,510 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,511 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,511 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:26,511 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,512 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:26,512 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,512 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,512 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,512 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:26,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,513 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,514 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:40:26,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,515 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,517 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,517 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:26,517 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,517 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:26,518 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,518 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,518 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,518 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:26,519 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,519 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,520 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:40:26,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,522 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,525 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,526 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:26,526 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,526 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:40:26,526 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,527 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,535 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:26,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,536 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 9
[2020-09-25 07:40:26,538 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:40:26,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,539 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,541 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,541 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:26,541 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,541 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:26,542 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,542 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:26,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,543 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,554 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:40:26,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,556 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,557 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,558 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:26,558 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,558 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:26,558 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,559 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,559 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,559 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:26,559 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,559 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,561 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 07:40:26,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,565 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,567 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,567 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:40:26,567 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,567 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:26,568 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,568 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,568 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,568 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 07:40:26,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,569 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,571 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:26,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,573 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,574 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,575 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:26,575 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,575 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:26,575 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,575 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,576 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,576 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:26,576 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,576 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,578 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 07:40:26,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,580 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,582 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,582 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:26,583 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,583 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:26,583 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,583 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,584 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:26,584 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,584 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,586 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 07:40:26,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:26,588 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:26,589 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:26,590 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:26,590 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:26,590 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:26,590 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:26,591 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:26,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:26,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:26,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:26,591 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:26,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:40:26,622 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747827155]
[2020-09-25 07:40:26,622 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:40:26,622 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:40:26,623 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900888541]
[2020-09-25 07:40:26,625 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:40:26,626 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:40:26,626 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:40:26,626 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:40:26,626 INFO  L87              Difference]: Start difference. First operand 275 states and 297 transitions. Second operand 5 states.
[2020-09-25 07:40:27,314 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:40:28,336 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:40:28,336 INFO  L93              Difference]: Finished difference Result 430 states and 481 transitions.
[2020-09-25 07:40:28,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 07:40:28,337 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 161
[2020-09-25 07:40:28,338 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:40:28,341 INFO  L225             Difference]: With dead ends: 430
[2020-09-25 07:40:28,341 INFO  L226             Difference]: Without dead ends: 313
[2020-09-25 07:40:28,343 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:40:28,345 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 313 states.
[2020-09-25 07:40:28,391 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 265.
[2020-09-25 07:40:28,392 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 265 states.
[2020-09-25 07:40:28,393 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 284 transitions.
[2020-09-25 07:40:28,393 INFO  L78                 Accepts]: Start accepts. Automaton has 265 states and 284 transitions. Word has length 161
[2020-09-25 07:40:28,394 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:40:28,394 INFO  L479      AbstractCegarLoop]: Abstraction has 265 states and 284 transitions.
[2020-09-25 07:40:28,394 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:40:28,395 INFO  L276                IsEmpty]: Start isEmpty. Operand 265 states and 284 transitions.
[2020-09-25 07:40:28,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-09-25 07:40:28,397 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:40:28,397 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 07:40:28,398 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 07:40:28,398 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:40:28,398 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:40:28,398 INFO  L82        PathProgramCache]: Analyzing trace with hash 60241941, now seen corresponding path program 1 times
[2020-09-25 07:40:28,398 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:40:28,401 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075367208]
[2020-09-25 07:40:28,401 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:40:28,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:28,506 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:28,734 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:28,904 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:30,718 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,455 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,456 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 211
[2020-09-25 07:40:33,456 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 07:40:33,456 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5002
[2020-09-25 07:40:33,456 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,457 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:40:33,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 153
[2020-09-25 07:40:33,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 07:40:33,457 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:33,781 WARN  L193               SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:40:33,782 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:33,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,799 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,891 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,892 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:40:33,892 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,892 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 101
[2020-09-25 07:40:33,892 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,893 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,893 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:33,893 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,893 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:33,893 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:33,924 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:40:33,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,926 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,927 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,928 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:33,928 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,928 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:33,928 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,928 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:33,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:33,929 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:33,930 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:40:33,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,931 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,932 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,933 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:33,933 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,933 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:33,933 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,933 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:33,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:33,934 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:33,935 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:40:33,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,937 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,940 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,940 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:33,940 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,941 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:33,941 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,941 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,941 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:33,941 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,941 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:33,942 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:33,943 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:40:33,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,945 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,946 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,946 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:33,947 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,947 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:33,947 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,947 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:33,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,948 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:33,948 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:33,957 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:40:33,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,959 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,960 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,961 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:33,961 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,961 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:33,961 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,961 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,962 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:33,962 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,962 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:33,962 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:33,971 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 07:40:33,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,973 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,976 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,976 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:33,977 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,977 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:33,977 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,977 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,977 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:40:33,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 07:40:33,978 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:33,981 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 07:40:33,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,985 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,989 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,989 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:40:33,989 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,989 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:40:33,989 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,990 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:40:33,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 07:40:33,990 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:33,992 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:33,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:33,994 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:33,996 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:33,996 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:33,996 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:33,996 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:33,996 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:33,997 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:33,997 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:33,997 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:33,997 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:33,998 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:33,999 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 07:40:34,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:34,002 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:34,003 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:34,004 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:34,004 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:34,004 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:34,004 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:34,005 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:34,005 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:34,005 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:34,005 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:34,006 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:34,007 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2020-09-25 07:40:34,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:34,009 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:34,011 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:34,011 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:34,011 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:34,011 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:34,012 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:34,012 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:34,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:34,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:34,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:34,013 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:34,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:40:34,054 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075367208]
[2020-09-25 07:40:34,054 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:40:34,054 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 07:40:34,055 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712765383]
[2020-09-25 07:40:34,055 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 07:40:34,056 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:40:34,056 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 07:40:34,056 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 07:40:34,056 INFO  L87              Difference]: Start difference. First operand 265 states and 284 transitions. Second operand 6 states.
[2020-09-25 07:40:34,643 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:40:36,656 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:40:36,656 INFO  L93              Difference]: Finished difference Result 643 states and 736 transitions.
[2020-09-25 07:40:36,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 07:40:36,657 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 174
[2020-09-25 07:40:36,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:40:36,664 INFO  L225             Difference]: With dead ends: 643
[2020-09-25 07:40:36,665 INFO  L226             Difference]: Without dead ends: 493
[2020-09-25 07:40:36,667 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-09-25 07:40:36,668 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 493 states.
[2020-09-25 07:40:36,732 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 399.
[2020-09-25 07:40:36,732 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 399 states.
[2020-09-25 07:40:36,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 436 transitions.
[2020-09-25 07:40:36,735 INFO  L78                 Accepts]: Start accepts. Automaton has 399 states and 436 transitions. Word has length 174
[2020-09-25 07:40:36,736 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:40:36,736 INFO  L479      AbstractCegarLoop]: Abstraction has 399 states and 436 transitions.
[2020-09-25 07:40:36,736 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 07:40:36,736 INFO  L276                IsEmpty]: Start isEmpty. Operand 399 states and 436 transitions.
[2020-09-25 07:40:36,738 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2020-09-25 07:40:36,739 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:40:36,739 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 07:40:36,739 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 07:40:36,739 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:40:36,740 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:40:36,740 INFO  L82        PathProgramCache]: Analyzing trace with hash -520729636, now seen corresponding path program 1 times
[2020-09-25 07:40:36,740 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:40:36,740 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820036956]
[2020-09-25 07:40:36,740 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:40:36,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:36,844 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:37,066 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:37,557 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:39,737 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:41,841 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:41,841 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 216
[2020-09-25 07:40:41,842 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 07:40:41,842 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5049
[2020-09-25 07:40:41,842 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:41,842 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:41,842 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 07:40:41,842 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 157
[2020-09-25 07:40:41,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 54
[2020-09-25 07:40:41,843 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:42,304 WARN  L193               SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:40:42,305 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:42,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,350 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,482 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,483 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:40:42,483 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,483 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 150
[2020-09-25 07:40:42,484 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,484 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,484 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:42,485 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,485 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:42,485 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,529 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:40:42,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,531 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,533 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,533 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:42,534 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,534 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:42,534 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,535 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,535 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:42,535 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:42,536 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,537 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:40:42,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,539 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,541 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,541 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:42,542 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,542 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:42,542 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,543 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,543 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:42,543 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,544 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:42,544 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,545 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:40:42,546 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,547 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,551 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,551 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:42,551 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,552 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:40:42,552 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,552 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:42,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,553 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:42,554 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,555 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:40:42,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,557 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,559 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,559 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:42,560 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,560 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:42,560 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,561 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,561 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:42,561 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:42,562 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,575 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:40:42,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,577 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,578 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,579 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:42,579 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:42,580 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,580 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:42,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:42,581 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,603 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-09-25 07:40:42,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,606 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,611 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,612 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 07:40:42,612 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,613 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 07:40:42,613 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,613 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,614 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:40:42,614 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,614 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 07:40:42,615 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,617 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 07:40:42,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,622 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,630 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,631 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:40:42,631 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,631 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 07:40:42,632 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,632 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:40:42,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 07:40:42,633 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,636 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:42,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,638 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,640 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,641 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:42,641 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,641 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:42,642 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,642 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:42,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:42,644 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,646 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 07:40:42,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,649 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,652 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,653 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:42,653 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,653 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:40:42,654 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,654 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,654 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:40:42,655 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,655 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:40:42,655 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,657 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166
[2020-09-25 07:40:42,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:42,662 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:42,672 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:42,672 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:42,673 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:42,673 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:40:42,673 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:42,674 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:42,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:40:42,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:42,675 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:40:42,675 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:42,775 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 07:40:42,776 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820036956]
[2020-09-25 07:40:42,776 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:40:42,776 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 07:40:42,777 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516200057]
[2020-09-25 07:40:42,780 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 07:40:42,780 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:40:42,780 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 07:40:42,782 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 07:40:42,782 INFO  L87              Difference]: Start difference. First operand 399 states and 436 transitions. Second operand 10 states.
[2020-09-25 07:40:43,317 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:40:44,385 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 07:40:44,702 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 07:40:46,076 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 07:40:46,380 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 07:40:46,764 WARN  L193               SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 07:40:47,487 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 07:40:47,841 WARN  L193               SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 07:40:48,133 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 07:40:48,501 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:40:48,502 INFO  L93              Difference]: Finished difference Result 934 states and 1094 transitions.
[2020-09-25 07:40:48,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 07:40:48,502 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 179
[2020-09-25 07:40:48,503 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:40:48,510 INFO  L225             Difference]: With dead ends: 934
[2020-09-25 07:40:48,510 INFO  L226             Difference]: Without dead ends: 650
[2020-09-25 07:40:48,514 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-25 07:40:48,515 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 650 states.
[2020-09-25 07:40:48,627 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 565.
[2020-09-25 07:40:48,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 565 states.
[2020-09-25 07:40:48,631 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 628 transitions.
[2020-09-25 07:40:48,631 INFO  L78                 Accepts]: Start accepts. Automaton has 565 states and 628 transitions. Word has length 179
[2020-09-25 07:40:48,632 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:40:48,632 INFO  L479      AbstractCegarLoop]: Abstraction has 565 states and 628 transitions.
[2020-09-25 07:40:48,632 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 07:40:48,633 INFO  L276                IsEmpty]: Start isEmpty. Operand 565 states and 628 transitions.
[2020-09-25 07:40:48,636 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2020-09-25 07:40:48,636 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:40:48,636 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]
[2020-09-25 07:40:48,637 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 07:40:48,637 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:40:48,637 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:40:48,637 INFO  L82        PathProgramCache]: Analyzing trace with hash 956612866, now seen corresponding path program 1 times
[2020-09-25 07:40:48,638 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:40:48,638 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384638837]
[2020-09-25 07:40:48,638 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:40:48,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:48,741 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,505 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,506 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 280
[2020-09-25 07:40:49,506 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,506 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 816
[2020-09-25 07:40:49,506 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,506 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,507 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 07:40:49,507 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 201
[2020-09-25 07:40:49,507 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 07:40:49,507 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:49,787 WARN  L193               SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:40:49,788 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:49,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,804 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,888 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,888 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:40:49,888 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,888 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 92
[2020-09-25 07:40:49,888 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,889 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,889 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,889 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,889 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,889 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:49,922 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:40:49,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,924 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,925 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,925 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:49,925 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,926 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:49,926 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,926 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,926 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,926 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,927 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,927 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:49,928 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:40:49,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,929 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,930 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,930 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:49,931 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,931 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:49,931 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,931 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,932 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,932 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,932 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:49,933 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:40:49,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,935 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,938 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,939 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:49,939 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,939 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:40:49,939 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,939 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,940 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,940 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,940 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,940 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:49,942 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:40:49,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,943 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,945 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,945 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:49,945 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,945 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:49,945 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,946 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,946 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,946 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,946 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,946 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:49,960 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:40:49,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,961 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,963 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,963 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:49,964 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,964 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:49,964 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,964 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,965 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:49,973 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 07:40:49,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,975 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,977 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,977 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:49,977 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,977 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:49,977 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,978 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,978 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:49,980 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 07:40:49,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,982 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,983 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,983 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:40:49,983 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,984 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:49,984 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,984 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,985 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,985 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:49,987 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:49,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:49,989 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:49,990 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:49,990 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:49,991 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:49,991 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:49,991 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:49,992 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:49,992 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:49,992 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:49,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:49,993 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,007 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 07:40:50,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,017 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,113 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,113 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 07:40:50,114 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,114 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 101
[2020-09-25 07:40:50,114 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,114 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,114 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 07:40:50,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 07:40:50,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 07:40:50,115 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,142 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 07:40:50,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,150 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,187 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,187 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 07:40:50,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,188 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 41
[2020-09-25 07:40:50,188 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,188 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,188 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:40:50,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:50,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 07:40:50,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,225 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 07:40:50,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,227 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,230 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,231 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:40:50,231 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,231 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:40:50,231 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,232 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:50,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:50,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:50,233 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,235 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 07:40:50,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,241 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,249 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,250 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 07:40:50,250 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,250 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:40:50,250 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,251 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:50,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 07:40:50,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:50,251 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,254 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:40:50,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,257 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,259 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,260 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 07:40:50,260 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,260 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:50,260 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,260 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,261 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:50,261 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:50,261 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:50,261 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,263 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:40:50,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,266 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,268 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,268 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:50,268 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,268 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:50,269 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,269 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,269 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:50,269 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:50,270 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:50,270 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,272 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-25 07:40:50,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,274 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,276 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,277 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:50,277 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,277 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:50,277 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,278 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:50,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:50,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:50,279 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,282 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2020-09-25 07:40:50,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,285 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,288 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,288 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:50,288 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,289 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:50,289 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,289 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:50,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:50,290 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:50,290 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,294 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216
[2020-09-25 07:40:50,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:50,296 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:50,300 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:50,300 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:50,300 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:50,300 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:40:50,301 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:50,301 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:50,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:50,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:50,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:50,302 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:50,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:40:50,354 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384638837]
[2020-09-25 07:40:50,355 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:40:50,355 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 07:40:50,355 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736655750]
[2020-09-25 07:40:50,356 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 07:40:50,356 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:40:50,356 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 07:40:50,356 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-09-25 07:40:50,357 INFO  L87              Difference]: Start difference. First operand 565 states and 628 transitions. Second operand 11 states.
[2020-09-25 07:40:52,007 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:40:52,329 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 07:40:52,634 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 07:40:52,956 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:40:53,272 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 07:40:53,569 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:40:54,706 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:40:54,707 INFO  L93              Difference]: Finished difference Result 1204 states and 1446 transitions.
[2020-09-25 07:40:54,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-09-25 07:40:54,708 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 229
[2020-09-25 07:40:54,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:40:54,714 INFO  L225             Difference]: With dead ends: 1204
[2020-09-25 07:40:54,714 INFO  L226             Difference]: Without dead ends: 754
[2020-09-25 07:40:54,716 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420
[2020-09-25 07:40:54,717 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 754 states.
[2020-09-25 07:40:54,786 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 584.
[2020-09-25 07:40:54,786 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 584 states.
[2020-09-25 07:40:54,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 647 transitions.
[2020-09-25 07:40:54,790 INFO  L78                 Accepts]: Start accepts. Automaton has 584 states and 647 transitions. Word has length 229
[2020-09-25 07:40:54,791 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:40:54,791 INFO  L479      AbstractCegarLoop]: Abstraction has 584 states and 647 transitions.
[2020-09-25 07:40:54,791 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 07:40:54,791 INFO  L276                IsEmpty]: Start isEmpty. Operand 584 states and 647 transitions.
[2020-09-25 07:40:54,795 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2020-09-25 07:40:54,795 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:40:54,796 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]
[2020-09-25 07:40:54,796 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 07:40:54,796 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:40:54,796 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:40:54,796 INFO  L82        PathProgramCache]: Analyzing trace with hash -1898555038, now seen corresponding path program 1 times
[2020-09-25 07:40:54,797 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:40:54,797 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398074471]
[2020-09-25 07:40:54,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:40:54,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:54,903 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:55,584 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:55,584 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 280
[2020-09-25 07:40:55,584 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:55,585 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 736
[2020-09-25 07:40:55,585 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:55,585 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:55,585 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:40:55,586 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 193
[2020-09-25 07:40:55,586 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 07:40:55,586 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:55,964 WARN  L193               SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:40:55,965 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:55,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:55,984 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,081 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,081 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:40:56,081 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,082 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 105
[2020-09-25 07:40:56,082 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,082 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,083 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,083 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,083 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,084 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,126 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 07:40:56,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,128 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,130 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,131 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:56,131 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,131 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:56,132 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,132 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,132 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,133 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,133 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,133 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,134 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 07:40:56,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,136 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,137 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,138 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:56,138 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,139 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:56,139 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,139 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,140 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,140 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,142 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 07:40:56,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,143 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,147 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,147 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:56,147 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,148 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:40:56,148 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,148 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,150 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,152 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 07:40:56,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,153 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,155 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,155 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:40:56,155 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,156 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:40:56,156 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,156 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,158 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,167 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 07:40:56,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,170 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,171 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,171 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:56,172 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,172 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:56,172 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,173 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,173 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,173 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,173 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,174 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,184 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 07:40:56,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,186 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,189 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,189 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:56,189 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,190 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:56,191 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,191 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,191 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,192 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:40:56,194 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 07:40:56,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,196 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,198 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,198 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 07:40:56,198 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,198 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:56,198 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,199 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,199 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,199 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,199 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,199 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,201 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:40:56,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,203 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,205 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,206 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:56,206 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,206 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:56,207 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,207 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,207 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,208 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,208 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,208 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,221 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 07:40:56,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,233 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,307 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,308 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 07:40:56,308 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,308 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 79
[2020-09-25 07:40:56,309 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,309 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,309 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:40:56,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 07:40:56,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 07:40:56,310 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,324 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 07:40:56,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,330 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,359 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,360 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 07:40:56,360 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,360 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 32
[2020-09-25 07:40:56,361 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,361 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,362 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:40:56,362 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 07:40:56,362 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 07:40:56,362 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,403 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 07:40:56,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,408 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,419 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,420 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:40:56,420 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,420 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:40:56,421 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,422 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 07:40:56,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:40:56,424 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 07:40:56,456 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 07:40:56,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,468 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,481 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,481 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 07:40:56,481 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,482 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 07:40:56,482 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,482 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,483 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,483 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 07:40:56,483 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,484 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,487 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:40:56,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,489 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,496 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,496 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 07:40:56,497 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,497 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 07:40:56,497 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,498 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,498 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,498 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,498 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,499 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,501 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:40:56,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,503 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,505 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,505 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:56,505 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,506 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:56,506 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,507 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,507 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,507 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,508 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,508 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,510 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-25 07:40:56,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,512 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,514 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,514 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:40:56,514 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,514 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:56,515 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,515 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,515 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,515 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:40:56,515 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,516 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,519 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2020-09-25 07:40:56,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,522 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,523 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,523 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:56,523 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,524 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:40:56,524 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,524 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:56,525 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,525 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:40:56,526 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216
[2020-09-25 07:40:56,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:40:56,531 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:40:56,532 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:40:56,532 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:40:56,533 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:40:56,533 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:40:56,533 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:40:56,533 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:40:56,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:40:56,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:40:56,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:40:56,534 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:40:56,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 07:40:56,622 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398074471]
[2020-09-25 07:40:56,625 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:40:56,625 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 07:40:56,625 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652728595]
[2020-09-25 07:40:56,626 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 07:40:56,626 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:40:56,626 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 07:40:56,628 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2020-09-25 07:40:56,628 INFO  L87              Difference]: Start difference. First operand 584 states and 647 transitions. Second operand 10 states.
[2020-09-25 07:40:58,008 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:40:58,317 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 07:40:58,659 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:40:58,995 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192