/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_product58.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 11:00:37,597 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 11:00:37,602 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 11:00:37,650 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 11:00:37,651 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 11:00:37,662 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 11:00:37,664 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 11:00:37,668 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 11:00:37,671 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 11:00:37,675 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 11:00:37,676 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 11:00:37,677 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 11:00:37,677 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 11:00:37,681 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 11:00:37,683 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 11:00:37,685 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 11:00:37,687 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 11:00:37,689 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 11:00:37,690 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 11:00:37,701 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 11:00:37,703 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 11:00:37,705 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 11:00:37,706 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 11:00:37,707 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 11:00:37,710 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 11:00:37,710 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 11:00:37,710 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 11:00:37,714 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 11:00:37,714 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 11:00:37,715 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 11:00:37,716 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 11:00:37,717 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 11:00:37,718 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 11:00:37,718 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 11:00:37,720 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 11:00:37,720 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 11:00:37,721 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 11:00:37,721 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 11:00:37,721 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 11:00:37,723 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 11:00:37,725 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 11:00:37,726 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 11:00:37,778 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 11:00:37,778 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 11:00:37,780 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 11:00:37,780 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 11:00:37,780 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 11:00:37,781 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 11:00:37,781 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 11:00:37,781 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 11:00:37,782 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 11:00:37,782 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 11:00:37,783 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 11:00:37,783 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 11:00:37,783 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 11:00:37,784 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 11:00:37,784 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 11:00:37,784 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 11:00:37,784 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 11:00:37,784 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 11:00:37,785 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 11:00:37,785 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 11:00:37,785 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 11:00:37,785 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 11:00:37,785 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 11:00:37,786 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 11:00:37,786 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 11:00:37,786 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 11:00:37,786 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 11:00:37,786 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 11:00:37,786 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 11:00:37,787 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
[2020-09-25 11:00:38,232 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 11:00:38,257 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 11:00:38,262 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 11:00:38,264 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 11:00:38,264 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 11:00:38,265 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c
[2020-09-25 11:00:38,352 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55ada7d89/6eb106e8a7614bc7840b08c5b8eadacd/FLAGb48f1e7d9
[2020-09-25 11:00:38,965 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 11:00:38,966 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c
[2020-09-25 11:00:38,983 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55ada7d89/6eb106e8a7614bc7840b08c5b8eadacd/FLAGb48f1e7d9
[2020-09-25 11:00:39,197 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55ada7d89/6eb106e8a7614bc7840b08c5b8eadacd
[2020-09-25 11:00:39,211 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 11:00:39,217 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 11:00:39,218 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 11:00:39,218 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 11:00:39,222 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 11:00:39,224 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:39,227 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39, skipping insertion in model container
[2020-09-25 11:00:39,228 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:39,237 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 11:00:39,291 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 11:00:39,715 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:00:39,834 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 11:00:39,946 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:00:39,986 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 11:00:39,986 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39 WrapperNode
[2020-09-25 11:00:39,986 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 11:00:39,987 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 11:00:39,987 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 11:00:39,988 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 11:00:40,001 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:40,002 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:40,022 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:40,023 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:40,057 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:40,069 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:40,074 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (1/1) ...
[2020-09-25 11:00:40,083 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 11:00:40,083 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 11:00:40,084 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 11:00:40,084 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 11:00:40,085 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (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 11:00:40,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 11:00:40,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 11:00:40,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 11:00:40,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 11:00:40,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 11:00:40,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 11:00:40,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 11:00:40,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 11:00:40,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 11:00:40,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-09-25 11:00:40,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 11:00:40,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 11:00:40,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 11:00:40,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 11:00:40,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 11:00:40,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 11:00:40,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 11:00:40,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 11:00:40,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 11:00:40,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 11:00:40,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 11:00:40,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 11:00:40,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 11:00:40,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 11:00:40,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 11:00:40,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 11:00:40,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 11:00:40,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 11:00:40,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 11:00:40,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 11:00:40,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 11:00:40,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 11:00:40,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 11:00:40,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 11:00:40,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 11:00:40,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 11:00:40,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 11:00:40,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 11:00:40,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 11:00:40,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 11:00:40,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 11:00:40,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 11:00:40,191 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 11:00:40,191 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 11:00:40,191 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 11:00:40,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 11:00:40,192 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 11:00:40,192 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 11:00:40,192 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 11:00:40,193 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 11:00:40,193 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 11:00:40,193 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 11:00:40,193 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 11:00:40,193 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 11:00:40,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 11:00:40,194 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 11:00:40,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 11:00:40,194 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 11:00:40,194 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 11:00:40,194 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 11:00:40,195 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 11:00:40,195 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 11:00:40,195 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 11:00:40,195 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 11:00:40,195 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 11:00:40,196 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-09-25 11:00:40,196 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 11:00:40,196 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 11:00:40,196 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 11:00:40,197 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 11:00:40,197 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 11:00:40,198 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 11:00:40,199 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 11:00:40,199 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 11:00:40,199 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 11:00:40,199 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 11:00:40,199 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 11:00:40,200 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 11:00:40,200 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 11:00:40,200 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 11:00:40,200 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 11:00:40,200 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 11:00:40,200 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 11:00:40,201 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 11:00:40,201 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 11:00:40,202 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 11:00:40,202 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 11:00:40,202 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 11:00:40,202 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 11:00:40,202 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 11:00:40,202 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 11:00:40,203 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 11:00:40,203 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 11:00:40,203 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 11:00:40,203 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 11:00:40,203 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 11:00:40,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 11:00:40,203 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 11:00:41,385 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 11:00:41,385 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 11:00:41,393 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:00:41 BoogieIcfgContainer
[2020-09-25 11:00:41,393 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 11:00:41,395 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 11:00:41,395 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 11:00:41,399 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 11:00:41,399 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:00:39" (1/3) ...
[2020-09-25 11:00:41,400 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e9f2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:00:41, skipping insertion in model container
[2020-09-25 11:00:41,401 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:39" (2/3) ...
[2020-09-25 11:00:41,401 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e9f2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:00:41, skipping insertion in model container
[2020-09-25 11:00:41,401 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:00:41" (3/3) ...
[2020-09-25 11:00:41,404 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c
[2020-09-25 11:00:41,417 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 11:00:41,429 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 11:00:41,453 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 11:00:41,489 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 11:00:41,489 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 11:00:41,490 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 11:00:41,490 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 11:00:41,490 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 11:00:41,490 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 11:00:41,490 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 11:00:41,490 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 11:00:41,540 INFO  L276                IsEmpty]: Start isEmpty. Operand 338 states.
[2020-09-25 11:00:41,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 11:00:41,575 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:00:41,577 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 11:00:41,578 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:00:41,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:00:41,589 INFO  L82        PathProgramCache]: Analyzing trace with hash 1259360700, now seen corresponding path program 1 times
[2020-09-25 11:00:41,601 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:00:41,601 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468587920]
[2020-09-25 11:00:41,601 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:00:42,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:42,179 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:42,348 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:43,655 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:44,598 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:47,067 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:47,068 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 11:00:47,068 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:00:47,069 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5047
[2020-09-25 11:00:47,074 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:47,075 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:47,084 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 11:00:47,084 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 11:00:47,085 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 79
[2020-09-25 11:00:47,085 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 15
[2020-09-25 11:00:47,567 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:00:47,572 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:00:47,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:47,670 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:47,943 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:47,944 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:00:47,944 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:00:47,944 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 317
[2020-09-25 11:00:47,944 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:47,945 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:47,945 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:00:47,945 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:00:47,945 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 11:00:47,946 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:00:48,035 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:00:48,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:48,042 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:48,046 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:48,047 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:00:48,047 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:00:48,047 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:00:48,047 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:48,048 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:48,048 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:00:48,048 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:00:48,048 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:00:48,048 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:00:48,050 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:00:48,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:48,056 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:48,060 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:48,061 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:00:48,061 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:00:48,061 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:00:48,062 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:48,062 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:48,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:00:48,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:00:48,063 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:00:48,063 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:00:48,065 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:00:48,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:48,069 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:48,079 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:48,079 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:00:48,079 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:00:48,080 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 11:00:48,080 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:48,080 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:48,080 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:00:48,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:00:48,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:00:48,081 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:00:48,086 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:00:48,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:48,090 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:48,095 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:48,095 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:00:48,096 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:00:48,096 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:00:48,096 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:48,096 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:48,096 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:00:48,097 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:00:48,097 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:00:48,097 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:00:48,101 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 11:00:48,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:48,105 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:48,125 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:48,125 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:00:48,125 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:00:48,126 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 11:00:48,126 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:48,126 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:48,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:00:48,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:00:48,127 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:00:48,127 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:00:48,157 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 11:00:48,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:48,160 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:48,162 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:00:48,162 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:00:48,162 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:00:48,163 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:00:48,163 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:00:48,163 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:00:48,163 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:00:48,164 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:00:48,164 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:00:48,164 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:00:48,206 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 11:00:48,207 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468587920]
[2020-09-25 11:00:48,210 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:00:48,210 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 11:00:48,212 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761076721]
[2020-09-25 11:00:48,221 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 11:00:48,222 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:00:48,242 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 11:00:48,243 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 11:00:48,246 INFO  L87              Difference]: Start difference. First operand 338 states. Second operand 8 states.
[2020-09-25 11:00:48,976 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:00:49,936 WARN  L193               SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:00:50,308 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:00:50,692 WARN  L193               SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:00:51,201 WARN  L193               SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 11:00:51,567 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:00:51,920 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:00:52,247 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 11:00:54,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:00:54,825 INFO  L93              Difference]: Finished difference Result 731 states and 884 transitions.
[2020-09-25 11:00:54,829 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 11:00:54,830 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-09-25 11:00:54,831 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:00:54,852 INFO  L225             Difference]: With dead ends: 731
[2020-09-25 11:00:54,853 INFO  L226             Difference]: Without dead ends: 504
[2020-09-25 11:00:54,860 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 11:00:54,880 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 504 states.
[2020-09-25 11:00:55,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 458.
[2020-09-25 11:00:55,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 458 states.
[2020-09-25 11:00:55,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 512 transitions.
[2020-09-25 11:00:55,024 INFO  L78                 Accepts]: Start accepts. Automaton has 458 states and 512 transitions. Word has length 142
[2020-09-25 11:00:55,025 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:00:55,025 INFO  L479      AbstractCegarLoop]: Abstraction has 458 states and 512 transitions.
[2020-09-25 11:00:55,025 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 11:00:55,025 INFO  L276                IsEmpty]: Start isEmpty. Operand 458 states and 512 transitions.
[2020-09-25 11:00:55,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2020-09-25 11:00:55,030 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:00:55,030 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]
[2020-09-25 11:00:55,031 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 11:00:55,031 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:00:55,031 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:00:55,032 INFO  L82        PathProgramCache]: Analyzing trace with hash 1330220680, now seen corresponding path program 1 times
[2020-09-25 11:00:55,032 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:00:55,032 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948905115]
[2020-09-25 11:00:55,032 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:00:55,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:00:55,142 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:55,241 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:00:56,180 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,104 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,104 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 181
[2020-09-25 11:01:00,104 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:01:00,105 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5013
[2020-09-25 11:01:00,105 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,105 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,105 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 11:01:00,105 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 11:01:00,106 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 66
[2020-09-25 11:01:00,106 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,402 WARN  L193               SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:01:00,404 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:01:00,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,490 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,694 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,694 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:01:00,694 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,695 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 237
[2020-09-25 11:01:00,695 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,695 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,695 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:00,696 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:00,696 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 11:01:00,696 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,740 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:01:00,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,743 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,747 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,748 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:00,748 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,748 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 11:01:00,748 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,749 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,749 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:00,749 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:00,749 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:00,749 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,752 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:01:00,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,757 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,760 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,760 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:00,760 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,761 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:01:00,761 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,761 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,761 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:00,762 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:00,762 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:00,762 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,763 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:01:00,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,770 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,778 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,779 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:00,779 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,780 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 11:01:00,780 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,781 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,781 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:00,781 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:00,782 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:01:00,782 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,787 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:01:00,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,790 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,794 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,795 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:00,795 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,796 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 11:01:00,796 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,796 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,797 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:00,797 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:00,798 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:00,798 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,807 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2020-09-25 11:01:00,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,811 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,821 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,821 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:01:00,822 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,822 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 11:01:00,822 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,823 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:00,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:00,824 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:01:00,824 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,826 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-09-25 11:01:00,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,828 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,830 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,830 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:00,830 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,831 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:00,831 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,831 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,831 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:01:00,832 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:01:00,832 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:01:00,832 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:00,834 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 11:01:00,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:00,836 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:00,838 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:00,838 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:00,838 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:00,839 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:00,839 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:00,840 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:00,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:01:00,843 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:01:00,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:01:00,844 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 11:01:00,890 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 11:01:00,891 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948905115]
[2020-09-25 11:01:00,892 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:01:00,892 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 11:01:00,892 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934687434]
[2020-09-25 11:01:00,897 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 11:01:00,897 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:01:00,898 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 11:01:00,898 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 11:01:00,898 INFO  L87              Difference]: Start difference. First operand 458 states and 512 transitions. Second operand 5 states.
[2020-09-25 11:01:01,432 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:01:02,920 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:01:02,920 INFO  L93              Difference]: Finished difference Result 859 states and 1014 transitions.
[2020-09-25 11:01:02,921 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 11:01:02,921 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 148
[2020-09-25 11:01:02,922 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:01:02,933 INFO  L225             Difference]: With dead ends: 859
[2020-09-25 11:01:02,933 INFO  L226             Difference]: Without dead ends: 511
[2020-09-25 11:01:02,939 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 11:01:02,941 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 511 states.
[2020-09-25 11:01:03,019 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 452.
[2020-09-25 11:01:03,019 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 452 states.
[2020-09-25 11:01:03,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 501 transitions.
[2020-09-25 11:01:03,022 INFO  L78                 Accepts]: Start accepts. Automaton has 452 states and 501 transitions. Word has length 148
[2020-09-25 11:01:03,023 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:01:03,023 INFO  L479      AbstractCegarLoop]: Abstraction has 452 states and 501 transitions.
[2020-09-25 11:01:03,023 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 11:01:03,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 452 states and 501 transitions.
[2020-09-25 11:01:03,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-09-25 11:01:03,027 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:01:03,027 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:01:03,027 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 11:01:03,027 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:01:03,028 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:01:03,028 INFO  L82        PathProgramCache]: Analyzing trace with hash 519010870, now seen corresponding path program 1 times
[2020-09-25 11:01:03,028 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:01:03,028 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737735654]
[2020-09-25 11:01:03,029 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:01:03,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:03,126 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:03,218 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:03,353 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:04,674 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,105 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,106 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 213
[2020-09-25 11:01:08,106 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 11:01:08,107 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5028
[2020-09-25 11:01:08,107 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,108 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 11:01:08,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 11:01:08,109 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 72
[2020-09-25 11:01:08,109 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,499 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:01:08,500 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:01:08,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,575 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,778 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,778 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:01:08,778 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,779 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 237
[2020-09-25 11:01:08,779 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,779 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,779 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:08,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:08,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 11:01:08,780 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,818 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:01:08,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,820 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,822 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,822 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:08,823 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,823 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:08,823 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,823 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,824 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:08,824 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:08,824 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:08,824 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,825 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:01:08,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,827 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,829 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,830 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:08,830 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,830 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:08,830 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,831 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,831 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:08,831 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:08,831 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:08,832 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,833 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:01:08,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,836 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,842 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,843 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:08,843 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,843 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 11:01:08,843 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,844 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:08,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:08,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:01:08,844 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,846 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:01:08,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,848 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,850 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,850 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:08,851 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,851 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:08,851 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,851 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,851 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:08,852 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:08,852 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:08,852 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,860 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 11:01:08,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,862 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,866 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,866 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 11:01:08,866 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,866 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:01:08,867 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,867 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:08,867 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:08,868 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 11:01:08,868 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,877 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 11:01:08,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,879 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,885 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,885 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:01:08,885 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,885 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:01:08,886 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,886 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,886 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:01:08,886 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 7
[2020-09-25 11:01:08,886 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:01:08,887 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,897 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 11:01:08,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,901 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,911 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,918 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,919 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 11:01:08,919 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:01:08,919 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 19
[2020-09-25 11:01:08,920 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,920 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,921 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:01:08,921 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 4
[2020-09-25 11:01:08,921 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 11:01:08,922 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,925 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:01:08,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,929 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,935 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,936 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 11:01:08,936 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,936 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 11:01:08,937 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,937 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 11:01:08,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 11:01:08,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 11:01:08,939 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,968 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:01:08,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,971 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,977 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,977 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:08,977 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,978 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:01:08,978 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,978 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,978 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:08,979 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:08,979 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:08,979 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,981 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152
[2020-09-25 11:01:08,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,983 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,984 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,984 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:08,985 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,985 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:08,985 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,985 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:01:08,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:01:08,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:01:08,986 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:08,988 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162
[2020-09-25 11:01:08,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:08,990 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:08,992 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:08,993 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:08,993 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:08,994 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:08,994 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:08,994 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:08,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:01:08,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:01:08,995 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:01:08,996 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:09,057 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 11:01:09,057 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737735654]
[2020-09-25 11:01:09,058 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:01:09,058 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 11:01:09,059 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138906385]
[2020-09-25 11:01:09,060 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 11:01:09,061 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:01:09,061 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 11:01:09,062 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-25 11:01:09,062 INFO  L87              Difference]: Start difference. First operand 452 states and 501 transitions. Second operand 8 states.
[2020-09-25 11:01:09,676 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:01:11,374 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 11:01:14,153 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:01:14,153 INFO  L93              Difference]: Finished difference Result 1224 states and 1570 transitions.
[2020-09-25 11:01:14,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2020-09-25 11:01:14,154 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 174
[2020-09-25 11:01:14,155 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:01:14,161 INFO  L225             Difference]: With dead ends: 1224
[2020-09-25 11:01:14,161 INFO  L226             Difference]: Without dead ends: 882
[2020-09-25 11:01:14,164 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650
[2020-09-25 11:01:14,165 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 882 states.
[2020-09-25 11:01:14,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 621.
[2020-09-25 11:01:14,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 621 states.
[2020-09-25 11:01:14,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 710 transitions.
[2020-09-25 11:01:14,261 INFO  L78                 Accepts]: Start accepts. Automaton has 621 states and 710 transitions. Word has length 174
[2020-09-25 11:01:14,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:01:14,262 INFO  L479      AbstractCegarLoop]: Abstraction has 621 states and 710 transitions.
[2020-09-25 11:01:14,262 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 11:01:14,262 INFO  L276                IsEmpty]: Start isEmpty. Operand 621 states and 710 transitions.
[2020-09-25 11:01:14,265 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2020-09-25 11:01:14,266 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 11:01:14,266 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 11:01:14,266 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 11:01:14,266 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:01:14,267 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:01:14,267 INFO  L82        PathProgramCache]: Analyzing trace with hash -543453875, now seen corresponding path program 1 times
[2020-09-25 11:01:14,267 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:01:14,268 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [98260139]
[2020-09-25 11:01:14,268 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:01:14,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:14,371 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:14,464 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:14,560 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:19,321 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:19,321 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 241
[2020-09-25 11:01:19,321 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:01:19,321 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-25 11:01:19,322 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:19,322 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:19,322 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 13
[2020-09-25 11:01:19,322 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 11:01:19,323 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 104
[2020-09-25 11:01:19,323 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:19,652 WARN  L193               SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 11:01:19,653 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:01:19,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:19,746 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:19,979 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:19,979 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 11:01:19,979 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:19,980 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 273
[2020-09-25 11:01:19,980 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:19,981 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:19,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:19,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:19,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 11:01:19,982 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:20,033 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 11:01:20,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,036 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,042 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:20,042 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:20,043 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:20,043 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 11:01:20,043 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:20,044 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:20,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:20,044 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:20,045 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:20,045 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:20,047 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 11:01:20,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,049 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,058 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:20,059 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:20,059 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:20,060 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 11:01:20,060 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:20,060 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:20,061 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:20,061 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:20,061 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:20,061 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:20,063 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 11:01:20,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,066 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,072 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:20,073 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:20,073 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:20,073 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 11:01:20,074 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:20,074 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:20,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:20,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:20,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 11:01:20,076 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:20,078 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 11:01:20,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,080 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,083 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:20,084 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:20,084 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:20,084 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:01:20,085 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:20,085 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:20,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:20,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:20,086 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:20,087 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:20,104 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 11:01:20,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,108 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,117 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:20,117 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 11:01:20,118 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:20,118 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 11:01:20,119 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:20,119 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:20,119 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 11:01:20,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 11:01:20,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 11:01:20,120 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:20,191 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 11:01:20,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,196 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,210 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:20,210 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 11:01:20,211 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:20,211 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 11:01:20,212 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:20,212 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:20,213 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:20,213 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:20,213 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 11:01:20,214 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 11:01:20,238 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 11:01:20,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,271 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,300 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,429 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,707 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:20,708 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 11:01:20,708 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:01:20,708 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 447
[2020-09-25 11:01:20,709 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:20,709 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:20,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:20,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 11:01:20,710 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 28
[2020-09-25 11:01:20,711 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:20,736 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:01:20,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:20,743 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,750 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:20,763 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:21,274 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:21,274 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 11:01:21,275 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 11:01:21,275 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 533
[2020-09-25 11:01:21,275 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:21,276 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:21,276 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:21,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:21,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 11:01:21,277 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:21,283 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 11:01:21,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:21,288 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:21,295 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:21,364 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:21,364 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 11:01:21,365 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:01:21,365 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 77
[2020-09-25 11:01:21,365 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:21,366 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:21,366 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:21,367 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:21,367 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 11:01:21,368 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 11:01:21,373 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 11:01:21,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:21,375 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:21,383 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:21,384 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 11:01:21,384 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:21,385 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 11:01:21,385 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:21,385 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:21,386 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:21,386 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:21,387 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 11:01:21,387 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 11:01:21,391 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 11:01:21,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:21,393 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:21,396 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:21,397 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:01:21,397 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:21,397 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:01:21,398 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:21,398 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:21,398 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:01:21,399 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:01:21,399 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:01:21,399 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:21,403 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2020-09-25 11:01:21,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:21,405 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:21,407 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:21,407 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:21,407 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:21,407 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:21,407 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:21,408 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:21,408 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:01:21,408 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:01:21,408 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:01:21,408 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 11:01:21,410 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186
[2020-09-25 11:01:21,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:01:21,412 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:01:21,413 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:01:21,413 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 11:01:21,413 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:01:21,414 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:01:21,414 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:01:21,414 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:01:21,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:01:21,415 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 11:01:21,415 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:01:21,416 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:01:21,505 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 11:01:21,506 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [98260139]
[2020-09-25 11:01:21,506 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:01:21,507 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 11:01:21,507 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745294983]
[2020-09-25 11:01:21,508 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 11:01:21,508 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:01:21,508 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 11:01:21,509 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2020-09-25 11:01:21,509 INFO  L87              Difference]: Start difference. First operand 621 states and 710 transitions. Second operand 11 states.
[2020-09-25 11:01:22,038 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:01:22,653 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:01:24,703 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 11:01:26,596 WARN  L193               SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188