/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:19:03,823 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:19:03,827 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:19:03,853 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:19:03,854 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:19:03,855 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:19:03,857 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:19:03,859 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:19:03,861 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:19:03,862 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:19:03,863 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:19:03,865 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:19:03,865 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:19:03,866 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:19:03,868 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:19:03,869 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:19:03,870 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:19:03,871 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:19:03,873 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:19:03,876 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:19:03,878 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:19:03,879 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:19:03,880 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:19:03,881 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:19:03,884 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:19:03,884 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:19:03,885 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:19:03,886 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:19:03,886 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:19:03,888 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:19:03,888 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:19:03,889 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:19:03,890 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:19:03,891 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:19:03,892 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:19:03,892 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:19:03,893 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:19:03,893 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:19:03,894 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:19:03,896 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:19:03,898 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:19:03,899 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 05:19:03,955 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 05:19:03,955 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:19:03,959 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:19:03,959 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 05:19:03,959 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 05:19:03,959 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:19:03,960 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 05:19:03,960 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 05:19:03,960 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 05:19:03,961 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 05:19:03,961 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:19:03,961 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:19:03,961 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:19:03,961 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 05:19:03,962 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 05:19:03,963 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 05:19:03,963 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:19:03,963 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:19:03,963 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 05:19:03,964 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 05:19:03,964 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 05:19:03,964 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:19:03,964 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:19:03,964 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:19:03,965 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:19:03,965 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 05:19:03,965 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:19:03,966 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:19:03,966 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 05:19:03,966 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:19:04,474 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:19:04,492 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:19:04,496 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:19:04,498 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 05:19:04,498 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 05:19:04,500 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c
[2020-09-25 05:19:04,585 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/715209ea1/c923c9692fdb419e8c2d4bcfc20ebdfa/FLAGe645abef2
[2020-09-25 05:19:05,179 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 05:19:05,180 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c
[2020-09-25 05:19:05,205 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/715209ea1/c923c9692fdb419e8c2d4bcfc20ebdfa/FLAGe645abef2
[2020-09-25 05:19:05,459 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/715209ea1/c923c9692fdb419e8c2d4bcfc20ebdfa
[2020-09-25 05:19:05,475 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:19:05,482 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:19:05,485 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:19:05,485 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:19:05,489 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:19:05,491 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:19:05" (1/1) ...
[2020-09-25 05:19:05,496 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:05, skipping insertion in model container
[2020-09-25 05:19:05,496 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:19:05" (1/1) ...
[2020-09-25 05:19:05,506 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 05:19:05,582 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:19:05,957 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:19:06,073 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 05:19:06,236 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:19:06,291 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 05:19:06,292 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06 WrapperNode
[2020-09-25 05:19:06,293 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:19:06,294 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:19:06,294 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:19:06,295 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:19:06,313 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (1/1) ...
[2020-09-25 05:19:06,315 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (1/1) ...
[2020-09-25 05:19:06,336 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (1/1) ...
[2020-09-25 05:19:06,336 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (1/1) ...
[2020-09-25 05:19:06,370 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (1/1) ...
[2020-09-25 05:19:06,390 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (1/1) ...
[2020-09-25 05:19:06,400 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (1/1) ...
[2020-09-25 05:19:06,410 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:19:06,411 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:19:06,411 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:19:06,411 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:19:06,418 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (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 05:19:06,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:19:06,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:19:06,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:19:06,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 05:19:06,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 05:19:06,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 05:19:06,520 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 05:19:06,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 05:19:06,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 05:19:06,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 05:19:06,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 05:19:06,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 05:19:06,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 05:19:06,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 05:19:06,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 05:19:06,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 05:19:06,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 05:19:06,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 05:19:06,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 05:19:06,524 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 05:19:06,524 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:19:06,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 05:19:06,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 05:19:06,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 05:19:06,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 05:19:06,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 05:19:06,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 05:19:06,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:19:06,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 05:19:06,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 05:19:06,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 05:19:06,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-09-25 05:19:06,532 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:19:06,532 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:19:06,532 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 05:19:06,532 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 05:19:06,532 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 05:19:06,533 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 05:19:06,534 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 05:19:06,534 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 05:19:06,534 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 05:19:06,534 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 05:19:06,534 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 05:19:06,534 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 05:19:06,534 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 05:19:06,535 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 05:19:06,535 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 05:19:06,535 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 05:19:06,535 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 05:19:06,535 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-09-25 05:19:06,535 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 05:19:06,536 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 05:19:06,536 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 05:19:06,536 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 05:19:06,536 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 05:19:06,536 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:19:06,536 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 05:19:06,536 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 05:19:06,537 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 05:19:06,537 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 05:19:06,537 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 05:19:06,537 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 05:19:06,537 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 05:19:06,537 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:19:06,539 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 05:19:06,539 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 05:19:06,539 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 05:19:06,539 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:19:06,539 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:19:06,540 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:19:06,541 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 05:19:06,541 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 05:19:06,541 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 05:19:06,541 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:19:06,541 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 05:19:06,541 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:19:07,680 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:19:07,680 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 05:19:07,693 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:19:07 BoogieIcfgContainer
[2020-09-25 05:19:07,693 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:19:07,696 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:19:07,696 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:19:07,700 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:19:07,701 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:19:05" (1/3) ...
[2020-09-25 05:19:07,702 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c309a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:19:07, skipping insertion in model container
[2020-09-25 05:19:07,702 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:06" (2/3) ...
[2020-09-25 05:19:07,703 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c309a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:19:07, skipping insertion in model container
[2020-09-25 05:19:07,703 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:19:07" (3/3) ...
[2020-09-25 05:19:07,706 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c
[2020-09-25 05:19:07,717 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:19:07,732 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:19:07,755 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:19:07,794 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:19:07,794 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 05:19:07,794 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:19:07,795 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:19:07,795 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:19:07,795 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 05:19:07,795 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:19:07,795 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:19:07,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 309 states.
[2020-09-25 05:19:07,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 05:19:07,840 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:19:07,841 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:19:07,842 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:19:07,849 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:19:07,850 INFO  L82        PathProgramCache]: Analyzing trace with hash 970389308, now seen corresponding path program 1 times
[2020-09-25 05:19:07,860 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:19:07,861 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277540401]
[2020-09-25 05:19:07,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:19:08,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:08,365 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:08,672 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:10,188 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:11,395 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:13,199 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:13,200 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 05:19:13,200 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:19:13,201 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5015
[2020-09-25 05:19:13,205 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:13,205 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:13,205 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:13,206 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 05:19:13,206 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:13,207 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 05:19:13,895 WARN  L193               SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:19:13,903 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:19:13,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:13,939 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:14,052 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:14,052 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:19:14,052 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:14,053 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 123
[2020-09-25 05:19:14,053 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:14,053 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:14,053 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:14,054 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:14,054 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:14,055 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:14,149 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:19:14,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:14,160 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:14,163 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:14,163 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:14,164 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:14,164 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 05:19:14,165 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:14,165 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:14,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:14,166 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:14,166 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:14,167 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:14,170 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:19:14,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:14,176 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:14,183 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:14,183 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:14,184 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:14,184 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:19:14,184 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:14,185 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:14,185 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:14,186 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:14,186 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:14,186 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:14,189 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:19:14,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:14,192 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:14,198 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:14,198 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:14,199 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:14,199 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:19:14,200 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:14,200 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:14,200 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:14,201 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:14,201 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:14,201 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:14,204 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:19:14,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:14,206 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:14,208 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:14,208 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:14,209 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:14,209 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:19:14,209 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:14,210 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:14,210 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:14,210 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:14,210 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:14,210 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:14,212 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 05:19:14,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:14,215 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:14,218 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:14,218 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:14,219 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:14,219 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:19:14,219 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:14,220 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:14,220 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:14,221 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:14,221 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:14,222 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:14,225 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 05:19:14,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:14,231 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:14,235 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:14,235 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:14,236 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:14,236 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:19:14,236 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:14,237 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:14,237 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:14,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:14,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:14,238 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:14,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:19:14,295 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277540401]
[2020-09-25 05:19:14,298 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:19:14,298 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:19:14,300 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256305330]
[2020-09-25 05:19:14,309 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:19:14,310 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:19:14,336 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:19:14,337 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:19:14,341 INFO  L87              Difference]: Start difference. First operand 309 states. Second operand 3 states.
[2020-09-25 05:19:16,027 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:19:16,027 INFO  L93              Difference]: Finished difference Result 485 states and 572 transitions.
[2020-09-25 05:19:16,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 05:19:16,030 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-09-25 05:19:16,031 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:19:16,051 INFO  L225             Difference]: With dead ends: 485
[2020-09-25 05:19:16,051 INFO  L226             Difference]: Without dead ends: 301
[2020-09-25 05:19:16,058 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:19:16,081 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 301 states.
[2020-09-25 05:19:16,164 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 258.
[2020-09-25 05:19:16,166 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 258 states.
[2020-09-25 05:19:16,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 278 transitions.
[2020-09-25 05:19:16,170 INFO  L78                 Accepts]: Start accepts. Automaton has 258 states and 278 transitions. Word has length 142
[2020-09-25 05:19:16,173 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:19:16,173 INFO  L479      AbstractCegarLoop]: Abstraction has 258 states and 278 transitions.
[2020-09-25 05:19:16,173 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:19:16,173 INFO  L276                IsEmpty]: Start isEmpty. Operand 258 states and 278 transitions.
[2020-09-25 05:19:16,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-09-25 05:19:16,180 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:19:16,181 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:19:16,181 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:19:16,182 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:19:16,183 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:19:16,183 INFO  L82        PathProgramCache]: Analyzing trace with hash 123592191, now seen corresponding path program 1 times
[2020-09-25 05:19:16,183 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:19:16,184 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921438650]
[2020-09-25 05:19:16,184 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:19:16,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:16,325 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:16,469 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:18,050 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:18,660 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:20,177 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,297 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,297 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 174
[2020-09-25 05:19:21,298 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 05:19:21,298 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5033
[2020-09-25 05:19:21,298 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,299 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,299 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:21,300 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 05:19:21,300 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:19:21,300 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:21,721 WARN  L193               SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:19:21,723 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:19:21,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:21,752 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,864 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,865 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:19:21,866 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:21,866 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 122
[2020-09-25 05:19:21,866 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,867 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:21,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:21,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:21,868 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:21,923 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:19:21,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:21,925 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,927 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,927 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:21,928 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:21,928 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:21,929 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,929 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:21,930 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:21,930 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:21,931 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:21,934 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:19:21,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:21,936 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,938 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,938 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:21,938 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:21,939 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:21,939 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,940 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,940 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:21,940 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:21,941 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:21,941 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:21,944 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:19:21,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:21,947 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,951 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,951 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:21,952 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:21,952 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:19:21,953 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,953 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:21,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:21,954 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:21,955 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:21,957 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:19:21,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:21,959 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,961 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,962 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:21,962 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:21,962 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:21,963 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,963 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:21,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:21,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:21,965 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:21,966 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 05:19:21,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:21,969 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,971 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,972 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:21,972 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:21,972 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:19:21,973 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,974 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:21,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:21,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:21,975 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:19:21,977 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:19:21,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:21,980 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:21,982 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:21,982 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:21,983 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:21,983 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:21,983 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:21,984 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:21,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:21,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:21,985 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:21,985 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:22,034 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:19:22,034 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921438650]
[2020-09-25 05:19:22,035 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:19:22,035 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:19:22,036 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7181905]
[2020-09-25 05:19:22,043 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:19:22,043 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:19:22,044 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:19:22,044 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:19:22,044 INFO  L87              Difference]: Start difference. First operand 258 states and 278 transitions. Second operand 4 states.
[2020-09-25 05:19:22,926 WARN  L193               SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:19:23,894 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:19:23,894 INFO  L93              Difference]: Finished difference Result 393 states and 437 transitions.
[2020-09-25 05:19:23,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 05:19:23,895 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-09-25 05:19:23,896 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:19:23,898 INFO  L225             Difference]: With dead ends: 393
[2020-09-25 05:19:23,899 INFO  L226             Difference]: Without dead ends: 284
[2020-09-25 05:19:23,901 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:19:23,902 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 284 states.
[2020-09-25 05:19:23,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 248.
[2020-09-25 05:19:23,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 248 states.
[2020-09-25 05:19:23,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 265 transitions.
[2020-09-25 05:19:23,948 INFO  L78                 Accepts]: Start accepts. Automaton has 248 states and 265 transitions. Word has length 143
[2020-09-25 05:19:23,948 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:19:23,949 INFO  L479      AbstractCegarLoop]: Abstraction has 248 states and 265 transitions.
[2020-09-25 05:19:23,949 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:19:23,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 248 states and 265 transitions.
[2020-09-25 05:19:23,951 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2020-09-25 05:19:23,951 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:19:23,952 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:19:23,952 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:19:23,952 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:19:23,952 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:19:23,952 INFO  L82        PathProgramCache]: Analyzing trace with hash -2086341092, now seen corresponding path program 1 times
[2020-09-25 05:19:23,953 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:19:23,953 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257590868]
[2020-09-25 05:19:23,953 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:19:24,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:24,050 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:24,766 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:25,725 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:26,015 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,008 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,008 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 181
[2020-09-25 05:19:29,008 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:19:29,009 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5005
[2020-09-25 05:19:29,009 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,009 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 05:19:29,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 05:19:29,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 70
[2020-09-25 05:19:29,011 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,352 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:19:29,352 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:19:29,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:29,418 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,627 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,627 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:19:29,628 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:29,628 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 243
[2020-09-25 05:19:29,628 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,628 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,629 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:29,629 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:29,629 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 05:19:29,629 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,675 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:19:29,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:29,678 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,683 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,683 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:29,683 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:29,684 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:19:29,684 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,684 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,684 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:29,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:29,685 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:19:29,685 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,686 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:19:29,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:29,688 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,691 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,691 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:29,692 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:29,692 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:19:29,692 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,692 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,693 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:29,693 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:29,693 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:19:29,693 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,695 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:19:29,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:29,698 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,703 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,703 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:29,704 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:29,704 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:19:29,704 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,704 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,705 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:29,705 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:29,705 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:19:29,705 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,710 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:19:29,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:29,713 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,715 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,716 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:29,716 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:29,716 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:19:29,716 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,717 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,717 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:29,717 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:29,717 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:19:29,718 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,719 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 05:19:29,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:29,722 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,723 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,723 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:29,724 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:29,725 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:29,725 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,725 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:29,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:29,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:29,726 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,731 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 05:19:29,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:29,733 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:29,734 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:29,735 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:29,735 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:29,735 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:29,735 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:29,735 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:29,736 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:29,736 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:29,736 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:29,736 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:29,767 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:19:29,768 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257590868]
[2020-09-25 05:19:29,768 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:19:29,768 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:19:29,769 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667869899]
[2020-09-25 05:19:29,770 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:19:29,770 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:19:29,770 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:19:29,771 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:19:29,771 INFO  L87              Difference]: Start difference. First operand 248 states and 265 transitions. Second operand 4 states.
[2020-09-25 05:19:30,324 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:19:31,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:19:32,000 INFO  L93              Difference]: Finished difference Result 572 states and 644 transitions.
[2020-09-25 05:19:32,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 05:19:32,001 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 152
[2020-09-25 05:19:32,004 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:19:32,007 INFO  L225             Difference]: With dead ends: 572
[2020-09-25 05:19:32,007 INFO  L226             Difference]: Without dead ends: 434
[2020-09-25 05:19:32,010 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:19:32,015 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 434 states.
[2020-09-25 05:19:32,098 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 374.
[2020-09-25 05:19:32,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 374 states.
[2020-09-25 05:19:32,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 407 transitions.
[2020-09-25 05:19:32,101 INFO  L78                 Accepts]: Start accepts. Automaton has 374 states and 407 transitions. Word has length 152
[2020-09-25 05:19:32,101 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:19:32,101 INFO  L479      AbstractCegarLoop]: Abstraction has 374 states and 407 transitions.
[2020-09-25 05:19:32,101 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:19:32,102 INFO  L276                IsEmpty]: Start isEmpty. Operand 374 states and 407 transitions.
[2020-09-25 05:19:32,104 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 05:19:32,104 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:19:32,104 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]
[2020-09-25 05:19:32,105 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:19:32,105 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:19:32,105 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:19:32,105 INFO  L82        PathProgramCache]: Analyzing trace with hash 1245800221, now seen corresponding path program 1 times
[2020-09-25 05:19:32,106 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:19:32,106 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670329188]
[2020-09-25 05:19:32,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:19:32,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:32,200 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:32,364 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:33,387 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:35,108 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:35,843 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,172 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,172 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 193
[2020-09-25 05:19:37,172 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 05:19:37,173 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5018
[2020-09-25 05:19:37,173 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,173 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,173 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 05:19:37,174 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 05:19:37,174 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:19:37,174 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,444 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:19:37,445 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:19:37,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,460 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,550 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,550 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:19:37,550 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,551 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 97
[2020-09-25 05:19:37,551 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,551 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:37,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:37,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:37,552 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,579 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:19:37,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,581 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,582 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,582 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:37,583 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,583 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:19:37,583 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,583 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:37,584 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:37,584 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:37,584 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,585 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:19:37,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,587 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,588 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,588 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:37,588 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,588 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:19:37,589 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,589 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,589 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:37,589 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:37,590 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:37,590 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,591 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:19:37,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,592 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,595 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,596 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:37,596 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,596 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:19:37,596 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,596 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,597 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:37,597 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:37,597 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:37,597 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,599 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:19:37,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,600 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,601 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,602 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:37,602 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,602 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:19:37,602 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,602 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:37,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:37,603 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:37,603 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,614 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 05:19:37,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,616 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,621 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,622 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 05:19:37,622 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,622 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:19:37,622 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,623 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,623 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 05:19:37,623 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 05:19:37,623 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 05:19:37,623 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,684 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:19:37,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,687 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,695 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,696 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:37,696 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,696 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 05:19:37,696 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,700 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:37,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:37,701 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:19:37,701 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 05:19:37,705 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 05:19:37,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,711 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,712 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,712 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:37,712 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,713 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:37,713 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,713 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,713 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:37,713 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:37,718 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:37,718 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 05:19:37,720 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 05:19:37,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:37,726 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:37,727 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:37,733 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:37,733 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:37,733 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:37,734 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:37,734 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:37,734 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:37,734 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:19:37,734 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:37,735 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:37,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:19:37,767 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670329188]
[2020-09-25 05:19:37,767 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:19:37,767 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 05:19:37,768 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494082740]
[2020-09-25 05:19:37,768 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 05:19:37,768 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:19:37,769 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 05:19:37,769 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:19:37,769 INFO  L87              Difference]: Start difference. First operand 374 states and 407 transitions. Second operand 7 states.
[2020-09-25 05:19:38,319 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:19:40,032 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:19:40,640 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:19:40,640 INFO  L93              Difference]: Finished difference Result 930 states and 1073 transitions.
[2020-09-25 05:19:40,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-09-25 05:19:40,642 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 160
[2020-09-25 05:19:40,643 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:19:40,647 INFO  L225             Difference]: With dead ends: 930
[2020-09-25 05:19:40,647 INFO  L226             Difference]: Without dead ends: 666
[2020-09-25 05:19:40,649 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2020-09-25 05:19:40,650 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 666 states.
[2020-09-25 05:19:40,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 573.
[2020-09-25 05:19:40,724 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 573 states.
[2020-09-25 05:19:40,727 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 628 transitions.
[2020-09-25 05:19:40,727 INFO  L78                 Accepts]: Start accepts. Automaton has 573 states and 628 transitions. Word has length 160
[2020-09-25 05:19:40,728 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:19:40,728 INFO  L479      AbstractCegarLoop]: Abstraction has 573 states and 628 transitions.
[2020-09-25 05:19:40,728 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 05:19:40,728 INFO  L276                IsEmpty]: Start isEmpty. Operand 573 states and 628 transitions.
[2020-09-25 05:19:40,730 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 05:19:40,730 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 05:19:40,730 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:19:40,731 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:19:40,731 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:19:40,731 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:19:40,731 INFO  L82        PathProgramCache]: Analyzing trace with hash -1097300876, now seen corresponding path program 1 times
[2020-09-25 05:19:40,732 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:19:40,732 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806739271]
[2020-09-25 05:19:40,732 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:19:40,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:40,838 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:41,738 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:42,009 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:44,452 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:45,792 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:45,793 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 192
[2020-09-25 05:19:45,793 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:19:45,793 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5007
[2020-09-25 05:19:45,794 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:45,794 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:45,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 05:19:45,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 150
[2020-09-25 05:19:45,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-25 05:19:45,795 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,167 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:19:46,168 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:19:46,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,185 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,284 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,285 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:19:46,285 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,286 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 107
[2020-09-25 05:19:46,286 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,286 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:46,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:46,288 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,329 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:19:46,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,331 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,333 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,333 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:46,333 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,334 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:46,334 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,334 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,335 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:46,335 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,336 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:46,336 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,337 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:19:46,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,339 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,340 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,340 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:46,341 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,341 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:19:46,341 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,342 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,342 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:46,342 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,343 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:46,343 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,344 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:19:46,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,346 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,349 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,350 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:46,350 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,350 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:19:46,351 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,351 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,351 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:46,352 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,352 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:46,353 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,354 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:19:46,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,356 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,357 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,357 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:19:46,358 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,358 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:19:46,359 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,359 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,359 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:19:46,360 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,360 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:19:46,360 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,378 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 05:19:46,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,382 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,387 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,388 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:19:46,388 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,388 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:19:46,389 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,389 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,389 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:46,390 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,390 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 05:19:46,390 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,392 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 05:19:46,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,395 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,398 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,398 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:46,398 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,399 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:19:46,399 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,399 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,400 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:19:46,400 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,400 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:19:46,401 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,403 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-25 05:19:46,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:19:46,406 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:19:46,416 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:19:46,417 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:19:46,417 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:19:46,417 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 05:19:46,418 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:19:46,418 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:19:46,418 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:19:46,419 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:19:46,419 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:19:46,419 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:19:46,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:19:46,530 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806739271]
[2020-09-25 05:19:46,530 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:19:46,531 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 05:19:46,531 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936612213]
[2020-09-25 05:19:46,532 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 05:19:46,532 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:19:46,533 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 05:19:46,535 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 05:19:46,535 INFO  L87              Difference]: Start difference. First operand 573 states and 628 transitions. Second operand 9 states.
[2020-09-25 05:19:47,227 WARN  L193               SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:19:48,583 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 05:19:48,980 WARN  L193               SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 05:19:49,320 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188