/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 09:53:03,980 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 09:53:03,984 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 09:53:04,019 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 09:53:04,020 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 09:53:04,021 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 09:53:04,022 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 09:53:04,024 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 09:53:04,026 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 09:53:04,027 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 09:53:04,029 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 09:53:04,030 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 09:53:04,030 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 09:53:04,031 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 09:53:04,033 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 09:53:04,034 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 09:53:04,035 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 09:53:04,036 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 09:53:04,038 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 09:53:04,040 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 09:53:04,046 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 09:53:04,048 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 09:53:04,051 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 09:53:04,052 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 09:53:04,056 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 09:53:04,057 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 09:53:04,057 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 09:53:04,058 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 09:53:04,058 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 09:53:04,061 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 09:53:04,062 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 09:53:04,063 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 09:53:04,063 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 09:53:04,064 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 09:53:04,066 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 09:53:04,066 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 09:53:04,067 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-09-25 09:53:04,067 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 09:53:04,078 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 09:53:04,080 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 09:53:04,081 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 09:53:04,141 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 09:53:04,141 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 09:53:04,143 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 09:53:04,146 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 09:53:04,146 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 09:53:04,146 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 09:53:04,147 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 09:53:04,147 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 09:53:04,147 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 09:53:04,147 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 09:53:04,147 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 09:53:04,147 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 09:53:04,148 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 09:53:04,148 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 09:53:04,149 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 09:53:04,149 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 09:53:04,149 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 09:53:04,149 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 09:53:04,150 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 09:53:04,150 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 09:53:04,150 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 09:53:04,150 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 09:53:04,151 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 09:53:04,151 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 09:53:04,151 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 09:53:04,151 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 09:53:04,151 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 09:53:04,152 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 09:53:04,152 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 09:53:04,152 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true;
[2020-09-25 09:53:04,671 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 09:53:04,694 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 09:53:04,698 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 09:53:04,699 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 09:53:04,700 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 09:53:04,701 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c
[2020-09-25 09:53:04,777 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e528b9719/2d06751c13ac42fea854f069923e6a02/FLAG7e79327d9
[2020-09-25 09:53:05,413 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 09:53:05,414 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c
[2020-09-25 09:53:05,430 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e528b9719/2d06751c13ac42fea854f069923e6a02/FLAG7e79327d9
[2020-09-25 09:53:05,680 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e528b9719/2d06751c13ac42fea854f069923e6a02
[2020-09-25 09:53:05,692 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 09:53:05,699 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 09:53:05,701 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 09:53:05,701 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 09:53:05,706 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 09:53:05,707 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:53:05" (1/1) ...
[2020-09-25 09:53:05,711 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c56d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:05, skipping insertion in model container
[2020-09-25 09:53:05,712 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:53:05" (1/1) ...
[2020-09-25 09:53:05,722 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 09:53:05,777 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 09:53:06,181 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:53:06,197 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 09:53:06,410 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 09:53:06,455 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 09:53:06,456 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06 WrapperNode
[2020-09-25 09:53:06,456 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 09:53:06,457 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 09:53:06,457 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 09:53:06,457 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 09:53:06,472 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ...
[2020-09-25 09:53:06,472 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ...
[2020-09-25 09:53:06,494 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ...
[2020-09-25 09:53:06,494 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ...
[2020-09-25 09:53:06,529 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ...
[2020-09-25 09:53:06,540 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ...
[2020-09-25 09:53:06,545 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (1/1) ...
[2020-09-25 09:53:06,553 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 09:53:06,553 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 09:53:06,553 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 09:53:06,554 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 09:53:06,555 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (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 09:53:06,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 09:53:06,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 09:53:06,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 09:53:06,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 09:53:06,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 09:53:06,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 09:53:06,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 09:53:06,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 09:53:06,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 09:53:06,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 09:53:06,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 09:53:06,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 09:53:06,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 09:53:06,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 09:53:06,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 09:53:06,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 09:53:06,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 09:53:06,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 09:53:06,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 09:53:06,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 09:53:06,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 09:53:06,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 09:53:06,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 09:53:06,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 09:53:06,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 09:53:06,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 09:53:06,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 09:53:06,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 09:53:06,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 09:53:06,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 09:53:06,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 09:53:06,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 09:53:06,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 09:53:06,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-09-25 09:53:06,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 09:53:06,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 09:53:06,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 09:53:06,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 09:53:06,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 09:53:06,659 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 09:53:06,659 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 09:53:06,660 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 09:53:06,660 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 09:53:06,660 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 09:53:06,660 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 09:53:06,661 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 09:53:06,662 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 09:53:06,662 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 09:53:06,662 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 09:53:06,662 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 09:53:06,662 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 09:53:06,663 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 09:53:06,663 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 09:53:06,663 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 09:53:06,663 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 09:53:06,664 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 09:53:06,664 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 09:53:06,664 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 09:53:06,664 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 09:53:06,664 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 09:53:06,664 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 09:53:06,665 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 09:53:06,665 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 09:53:06,665 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 09:53:06,665 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 09:53:06,666 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 09:53:06,666 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 09:53:06,666 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-09-25 09:53:06,666 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 09:53:06,667 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 09:53:06,667 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 09:53:06,668 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 09:53:06,669 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 09:53:06,669 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 09:53:06,669 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 09:53:06,669 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 09:53:06,669 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 09:53:06,669 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 09:53:06,670 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 09:53:06,670 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 09:53:06,670 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 09:53:06,670 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 09:53:06,670 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 09:53:06,670 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 09:53:06,671 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 09:53:06,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 09:53:07,884 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 09:53:07,884 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 09:53:07,892 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:53:07 BoogieIcfgContainer
[2020-09-25 09:53:07,892 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 09:53:07,894 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 09:53:07,894 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 09:53:07,898 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 09:53:07,898 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:53:05" (1/3) ...
[2020-09-25 09:53:07,899 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324152ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:53:07, skipping insertion in model container
[2020-09-25 09:53:07,899 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:06" (2/3) ...
[2020-09-25 09:53:07,900 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324152ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:53:07, skipping insertion in model container
[2020-09-25 09:53:07,900 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:53:07" (3/3) ...
[2020-09-25 09:53:07,903 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c
[2020-09-25 09:53:07,915 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 09:53:07,927 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 09:53:07,951 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 09:53:07,986 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 09:53:07,986 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 09:53:07,986 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 09:53:07,987 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 09:53:07,987 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 09:53:07,987 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 09:53:07,987 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 09:53:07,987 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 09:53:08,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 312 states.
[2020-09-25 09:53:08,048 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 09:53:08,048 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:53:08,050 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:53:08,050 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:53:08,057 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:53:08,058 INFO  L82        PathProgramCache]: Analyzing trace with hash 1194640378, now seen corresponding path program 1 times
[2020-09-25 09:53:08,068 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:53:08,069 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439785157]
[2020-09-25 09:53:08,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:53:08,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:08,545 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:08,780 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:09,272 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:10,525 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:10,696 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:13,422 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:13,423 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 09:53:13,423 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 09:53:13,424 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5002
[2020-09-25 09:53:13,428 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:13,429 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:13,430 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 09:53:13,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 09:53:13,431 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 89
[2020-09-25 09:53:13,440 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 16
[2020-09-25 09:53:14,157 WARN  L193               SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 09:53:14,161 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:53:14,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:14,277 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:14,534 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:14,534 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 09:53:14,535 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:14,535 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 318
[2020-09-25 09:53:14,535 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:14,535 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:14,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:14,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:14,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 09:53:14,536 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:14,638 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 09:53:14,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:14,642 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:14,646 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:14,646 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:14,647 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:14,647 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 09:53:14,647 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:14,647 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:14,648 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:14,648 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:14,648 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:14,648 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:14,652 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 09:53:14,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:14,659 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:14,662 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:14,663 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:14,663 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:14,663 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 09:53:14,664 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:14,664 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:14,664 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:14,664 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:14,665 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:14,665 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:14,667 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 09:53:14,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:14,671 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:14,680 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:14,681 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:14,681 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:14,681 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 09:53:14,682 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:14,682 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:14,682 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:14,682 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:14,683 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:53:14,683 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:14,685 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 09:53:14,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:14,721 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:14,724 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:14,725 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:14,725 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:14,725 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:53:14,725 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:14,726 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:14,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:14,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:14,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:14,727 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:14,728 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 09:53:14,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:14,732 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:14,735 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:14,736 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:14,736 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:14,736 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 09:53:14,737 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:14,737 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:14,737 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:14,737 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:14,738 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:53:14,738 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:14,740 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 09:53:14,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:14,745 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:14,754 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:14,754 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:14,754 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:14,755 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 09:53:14,755 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:14,755 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:14,755 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:53:14,756 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:14,756 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:53:14,756 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:14,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:53:14,824 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439785157]
[2020-09-25 09:53:14,827 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:53:14,827 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 09:53:14,828 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587749832]
[2020-09-25 09:53:14,835 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 09:53:14,836 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:53:14,855 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 09:53:14,857 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 09:53:14,859 INFO  L87              Difference]: Start difference. First operand 312 states. Second operand 8 states.
[2020-09-25 09:53:15,554 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:53:16,871 WARN  L193               SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:17,220 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:53:17,513 WARN  L193               SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:17,830 WARN  L193               SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:53:18,181 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:18,878 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:53:19,193 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:53:19,602 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:53:20,973 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:53:20,973 INFO  L93              Difference]: Finished difference Result 600 states and 746 transitions.
[2020-09-25 09:53:20,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-25 09:53:20,982 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-09-25 09:53:20,983 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:53:21,008 INFO  L225             Difference]: With dead ends: 600
[2020-09-25 09:53:21,009 INFO  L226             Difference]: Without dead ends: 399
[2020-09-25 09:53:21,022 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2020-09-25 09:53:21,044 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 399 states.
[2020-09-25 09:53:21,159 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 357.
[2020-09-25 09:53:21,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 357 states.
[2020-09-25 09:53:21,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 409 transitions.
[2020-09-25 09:53:21,167 INFO  L78                 Accepts]: Start accepts. Automaton has 357 states and 409 transitions. Word has length 142
[2020-09-25 09:53:21,167 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:53:21,168 INFO  L479      AbstractCegarLoop]: Abstraction has 357 states and 409 transitions.
[2020-09-25 09:53:21,168 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 09:53:21,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 357 states and 409 transitions.
[2020-09-25 09:53:21,174 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 09:53:21,174 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:53:21,174 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 09:53:21,175 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 09:53:21,175 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:53:21,175 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:53:21,175 INFO  L82        PathProgramCache]: Analyzing trace with hash -1791967861, now seen corresponding path program 1 times
[2020-09-25 09:53:21,176 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:53:21,176 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147628905]
[2020-09-25 09:53:21,176 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:53:21,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:21,291 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:21,789 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:26,270 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:26,270 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 09:53:26,270 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:53:26,271 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5035
[2020-09-25 09:53:26,271 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:26,272 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:26,272 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 09:53:26,272 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 09:53:26,273 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 136
[2020-09-25 09:53:26,273 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:26,629 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 09:53:26,631 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:53:26,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:26,701 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:26,916 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:26,917 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 09:53:26,917 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:26,917 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 250
[2020-09-25 09:53:26,917 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:26,918 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:26,918 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:26,918 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:26,918 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 09:53:26,918 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:26,964 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 09:53:26,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:26,966 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:26,968 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:26,969 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:26,969 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:26,969 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:53:26,969 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:26,970 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:26,970 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:26,970 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:26,970 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:26,971 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:26,972 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 09:53:26,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:26,976 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:26,978 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:26,978 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:26,979 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:26,979 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:53:26,979 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:26,979 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:26,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:26,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:26,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:26,980 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:26,982 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 09:53:26,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:26,985 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:26,992 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:26,992 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:26,992 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:26,992 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 09:53:26,993 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:26,993 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:26,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:26,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:26,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:53:26,994 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:26,996 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 09:53:26,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:26,998 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,001 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,002 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:27,002 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:27,002 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:53:27,002 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,003 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,003 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:27,003 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:27,003 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:27,004 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:27,015 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 09:53:27,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:27,025 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,067 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,141 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,142 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-25 09:53:27,142 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:53:27,142 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 121
[2020-09-25 09:53:27,143 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,143 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,143 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:27,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:27,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 47
[2020-09-25 09:53:27,144 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:27,154 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:27,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:27,158 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,165 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,242 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,242 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 09:53:27,243 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:53:27,243 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 85
[2020-09-25 09:53:27,245 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,245 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,245 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 09:53:27,245 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 09:53:27,246 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 09:53:27,246 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:27,273 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:27,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:27,281 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,323 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,323 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 09:53:27,323 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:27,324 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 45
[2020-09-25 09:53:27,324 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,324 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,325 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:53:27,328 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:27,329 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 09:53:27,329 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 09:53:27,380 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 09:53:27,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:27,383 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,386 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,387 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 09:53:27,387 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:27,387 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:53:27,387 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,388 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:53:27,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:27,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:53:27,388 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:27,390 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 09:53:27,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:27,392 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,395 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,395 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 09:53:27,396 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:27,396 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:53:27,396 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,396 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,397 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:53:27,397 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 09:53:27,397 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:53:27,397 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:27,402 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 09:53:27,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:27,404 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,410 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,410 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:27,411 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:27,411 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 09:53:27,411 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,411 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,411 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:53:27,412 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:27,412 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:53:27,412 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 09:53:27,444 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 09:53:27,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:27,447 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:27,448 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:27,449 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:27,449 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:27,449 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:53:27,449 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:27,449 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:27,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:53:27,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:53:27,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:53:27,450 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:27,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 09:53:27,494 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147628905]
[2020-09-25 09:53:27,494 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 09:53:27,495 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2020-09-25 09:53:27,495 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569304530]
[2020-09-25 09:53:27,498 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-09-25 09:53:27,499 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:53:27,500 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-09-25 09:53:27,500 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182
[2020-09-25 09:53:27,500 INFO  L87              Difference]: Start difference. First operand 357 states and 409 transitions. Second operand 14 states.
[2020-09-25 09:53:28,038 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:53:29,015 WARN  L193               SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:53:29,374 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:53:29,778 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:53:30,152 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 09:53:30,488 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:53:31,035 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:53:31,362 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 09:53:31,735 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:32,092 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:53:32,427 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 09:53:32,795 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:33,203 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:53:33,592 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:34,206 WARN  L193               SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:53:34,554 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:34,904 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 09:53:35,249 WARN  L193               SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:53:35,624 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 09:53:35,918 WARN  L193               SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:53:37,381 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:53:37,381 INFO  L93              Difference]: Finished difference Result 887 states and 1145 transitions.
[2020-09-25 09:53:37,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2020-09-25 09:53:37,383 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states. Word has length 190
[2020-09-25 09:53:37,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:53:37,392 INFO  L225             Difference]: With dead ends: 887
[2020-09-25 09:53:37,393 INFO  L226             Difference]: Without dead ends: 640
[2020-09-25 09:53:37,396 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=203, Invalid=987, Unknown=0, NotChecked=0, Total=1190
[2020-09-25 09:53:37,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 640 states.
[2020-09-25 09:53:37,489 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 539.
[2020-09-25 09:53:37,489 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 539 states.
[2020-09-25 09:53:37,493 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 632 transitions.
[2020-09-25 09:53:37,494 INFO  L78                 Accepts]: Start accepts. Automaton has 539 states and 632 transitions. Word has length 190
[2020-09-25 09:53:37,495 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:53:37,495 INFO  L479      AbstractCegarLoop]: Abstraction has 539 states and 632 transitions.
[2020-09-25 09:53:37,495 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-09-25 09:53:37,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 539 states and 632 transitions.
[2020-09-25 09:53:37,501 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2020-09-25 09:53:37,502 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:53:37,502 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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]
[2020-09-25 09:53:37,503 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 09:53:37,503 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:53:37,503 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:53:37,503 INFO  L82        PathProgramCache]: Analyzing trace with hash -1941761769, now seen corresponding path program 1 times
[2020-09-25 09:53:37,503 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:53:37,504 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618420877]
[2020-09-25 09:53:37,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:53:37,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:37,647 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:37,755 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:37,919 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:38,024 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:38,487 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:38,645 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:42,605 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:42,605 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 299
[2020-09-25 09:53:42,605 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 09:53:42,606 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5027
[2020-09-25 09:53:42,606 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:42,606 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:42,606 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 19
[2020-09-25 09:53:42,606 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 09:53:42,607 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 162
[2020-09-25 09:53:42,607 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:42,926 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 09:53:42,927 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 09:53:42,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:42,995 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,188 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,188 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 09:53:43,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,189 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 228
[2020-09-25 09:53:43,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,189 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 09:53:43,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,232 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 09:53:43,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,235 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,236 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,237 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:43,237 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,237 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:53:43,237 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,238 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:43,238 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,243 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 09:53:43,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,245 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,247 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,248 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:43,248 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,248 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:53:43,248 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,248 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,249 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,249 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,249 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:43,249 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,251 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 09:53:43,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,253 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,256 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,257 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:43,257 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,257 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 09:53:43,257 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,257 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,258 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,258 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,259 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 09:53:43,259 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,265 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 09:53:43,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,267 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,269 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,269 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 09:53:43,269 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,269 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:53:43,270 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,270 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,270 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,270 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,271 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 09:53:43,271 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,279 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 09:53:43,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,283 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,289 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,290 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 09:53:43,290 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,290 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 09:53:43,290 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,290 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 09:53:43,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 09:53:43,291 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 09:53:43,291 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,331 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 09:53:43,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,338 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,371 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,371 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 29
[2020-09-25 09:53:43,371 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,372 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 36
[2020-09-25 09:53:43,372 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,372 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:53:43,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 09:53:43,373 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 28
[2020-09-25 09:53:43,374 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,401 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:43,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,406 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,420 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,420 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 09:53:43,420 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,421 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 09:53:43,421 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,421 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 09:53:43,423 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,426 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:43,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,428 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,430 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,431 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:43,431 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,432 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 09:53:43,432 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,432 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:53:43,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:53:43,434 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,436 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-09-25 09:53:43,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,442 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,473 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,474 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 29
[2020-09-25 09:53:43,474 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,474 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-25 09:53:43,475 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,475 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,475 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 09:53:43,476 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 09:53:43,477 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 28
[2020-09-25 09:53:43,477 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:53:43,495 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:43,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,499 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,510 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,511 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 09:53:43,511 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,512 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 09:53:43,512 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,512 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,513 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 09:53:43,514 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,517 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:43,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,519 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,520 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,521 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:43,521 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,521 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:53:43,522 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,522 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:53:43,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:53:43,523 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,539 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181
[2020-09-25 09:53:43,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,549 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,587 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,648 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,649 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-25 09:53:43,649 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:53:43,650 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 104
[2020-09-25 09:53:43,650 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,651 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,651 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 09:53:43,652 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 09:53:43,652 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:53:43,676 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:43,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,690 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,698 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,817 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,818 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 09:53:43,818 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:53:43,819 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 131
[2020-09-25 09:53:43,819 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,819 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 09:53:43,821 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,827 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 09:53:43,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,832 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,838 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,904 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,905 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 09:53:43,905 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 09:53:43,905 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 74
[2020-09-25 09:53:43,906 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,906 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,907 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,907 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,907 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 09:53:43,908 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,914 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 09:53:43,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,917 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,925 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,926 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 09:53:43,926 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,927 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 09:53:43,927 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,927 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,928 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,928 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 09:53:43,929 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 09:53:43,933 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 09:53:43,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,936 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,940 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,941 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 09:53:43,941 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,941 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 09:53:43,941 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,941 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 09:53:43,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 09:53:43,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 09:53:43,942 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,947 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2020-09-25 09:53:43,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,950 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,951 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,952 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:43,952 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,952 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:53:43,953 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,953 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,953 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:53:43,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:53:43,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:53:43,954 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:43,956 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232
[2020-09-25 09:53:43,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:43,959 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:43,960 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 09:53:43,961 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 09:53:43,961 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 09:53:43,961 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 09:53:43,962 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 09:53:43,962 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 09:53:43,962 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 09:53:43,963 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 09:53:43,963 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 09:53:43,963 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 09:53:44,102 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2020-09-25 09:53:44,102 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618420877]
[2020-09-25 09:53:44,103 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 09:53:44,103 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2020-09-25 09:53:44,103 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048184352]
[2020-09-25 09:53:44,105 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 09:53:44,105 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 09:53:44,105 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 09:53:44,105 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2020-09-25 09:53:44,106 INFO  L87              Difference]: Start difference. First operand 539 states and 632 transitions. Second operand 10 states.
[2020-09-25 09:53:44,595 WARN  L193               SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 09:53:45,451 WARN  L193               SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:53:47,064 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:53:47,713 WARN  L193               SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 09:53:51,620 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 09:53:51,620 INFO  L93              Difference]: Finished difference Result 1830 states and 2603 transitions.
[2020-09-25 09:53:51,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2020-09-25 09:53:51,621 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 244
[2020-09-25 09:53:51,622 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 09:53:51,636 INFO  L225             Difference]: With dead ends: 1830
[2020-09-25 09:53:51,636 INFO  L226             Difference]: Without dead ends: 1568
[2020-09-25 09:53:51,639 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=189, Invalid=681, Unknown=0, NotChecked=0, Total=870
[2020-09-25 09:53:51,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1568 states.
[2020-09-25 09:53:51,863 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1324.
[2020-09-25 09:53:51,863 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1324 states.
[2020-09-25 09:53:51,873 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1715 transitions.
[2020-09-25 09:53:51,874 INFO  L78                 Accepts]: Start accepts. Automaton has 1324 states and 1715 transitions. Word has length 244
[2020-09-25 09:53:51,875 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 09:53:51,875 INFO  L479      AbstractCegarLoop]: Abstraction has 1324 states and 1715 transitions.
[2020-09-25 09:53:51,875 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 09:53:51,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 1324 states and 1715 transitions.
[2020-09-25 09:53:51,879 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 221
[2020-09-25 09:53:51,879 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 09:53:51,880 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-09-25 09:53:51,880 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 09:53:51,880 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 09:53:51,880 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 09:53:51,881 INFO  L82        PathProgramCache]: Analyzing trace with hash -448792521, now seen corresponding path program 1 times
[2020-09-25 09:53:51,881 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 09:53:51,881 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395657115]
[2020-09-25 09:53:51,881 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 09:53:51,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 09:53:51,986 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:52,076 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:52,224 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:52,442 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:53,340 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:53,490 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 09:53:54,367 FATAL L256   erpolLogProxyWrapper]: Now shrinking...