/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product56.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 13:06:21,357 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 13:06:21,361 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 13:06:21,388 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 13:06:21,388 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 13:06:21,390 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 13:06:21,391 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 13:06:21,393 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 13:06:21,395 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 13:06:21,396 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 13:06:21,397 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 13:06:21,399 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 13:06:21,399 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 13:06:21,400 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 13:06:21,404 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 13:06:21,405 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 13:06:21,406 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 13:06:21,408 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 13:06:21,409 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 13:06:21,415 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 13:06:21,417 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 13:06:21,418 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 13:06:21,419 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 13:06:21,420 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 13:06:21,423 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 13:06:21,423 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 13:06:21,424 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 13:06:21,425 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 13:06:21,425 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 13:06:21,426 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 13:06:21,426 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 13:06:21,428 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 13:06:21,429 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 13:06:21,430 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 13:06:21,431 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 13:06:21,431 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 13:06:21,432 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 13:06:21,433 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 13:06:21,433 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 13:06:21,434 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 13:06:21,435 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 13:06:21,436 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 13:06:21,461 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 13:06:21,462 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 13:06:21,463 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 13:06:21,463 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 13:06:21,463 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 13:06:21,464 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 13:06:21,464 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 13:06:21,464 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 13:06:21,464 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 13:06:21,465 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 13:06:21,465 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 13:06:21,465 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 13:06:21,465 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 13:06:21,465 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 13:06:21,466 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 13:06:21,466 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 13:06:21,466 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 13:06:21,466 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 13:06:21,467 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 13:06:21,467 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 13:06:21,467 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 13:06:21,467 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 13:06:21,468 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 13:06:21,468 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 13:06:21,468 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 13:06:21,468 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 13:06:21,468 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 13:06:21,469 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 13:06:21,469 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 13:06:21,469 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=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
[2020-09-25 13:06:21,976 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 13:06:21,994 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 13:06:21,999 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 13:06:22,001 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 13:06:22,002 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 13:06:22,003 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product56.cil.c
[2020-09-25 13:06:22,093 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b91558f5/bbe5b32568754ee1bb81d7fdbcc79d1c/FLAG9c41e6bd1
[2020-09-25 13:06:22,760 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 13:06:22,761 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product56.cil.c
[2020-09-25 13:06:22,777 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b91558f5/bbe5b32568754ee1bb81d7fdbcc79d1c/FLAG9c41e6bd1
[2020-09-25 13:06:23,020 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b91558f5/bbe5b32568754ee1bb81d7fdbcc79d1c
[2020-09-25 13:06:23,035 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 13:06:23,041 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 13:06:23,042 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 13:06:23,043 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 13:06:23,047 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 13:06:23,048 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,053 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411e9963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23, skipping insertion in model container
[2020-09-25 13:06:23,053 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,063 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 13:06:23,134 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 13:06:23,602 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:06:23,618 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 13:06:23,812 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:06:23,856 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 13:06:23,857 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23 WrapperNode
[2020-09-25 13:06:23,857 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 13:06:23,858 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 13:06:23,858 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 13:06:23,858 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 13:06:23,873 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,873 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,895 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,896 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,941 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,953 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,959 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (1/1) ...
[2020-09-25 13:06:23,967 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 13:06:23,968 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 13:06:23,968 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 13:06:23,968 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 13:06:23,969 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (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 13:06:24,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 13:06:24,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 13:06:24,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:06:24,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 13:06:24,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 13:06:24,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:06:24,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 13:06:24,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 13:06:24,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 13:06:24,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 13:06:24,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 13:06:24,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 13:06:24,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 13:06:24,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2020-09-25 13:06:24,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 13:06:24,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 13:06:24,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 13:06:24,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 13:06:24,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 13:06:24,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 13:06:24,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 13:06:24,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 13:06:24,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 13:06:24,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 13:06:24,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 13:06:24,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 13:06:24,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 13:06:24,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 13:06:24,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 13:06:24,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 13:06:24,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 13:06:24,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 13:06:24,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 13:06:24,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 13:06:24,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 13:06:24,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 13:06:24,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 13:06:24,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 13:06:24,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 13:06:24,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 13:06:24,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 13:06:24,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 13:06:24,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 13:06:24,060 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 13:06:24,060 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 13:06:24,060 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 13:06:24,060 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 13:06:24,060 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 13:06:24,060 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 13:06:24,061 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 13:06:24,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 13:06:24,061 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 13:06:24,061 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 13:06:24,062 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 13:06:24,062 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 13:06:24,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 13:06:24,062 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:06:24,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:06:24,062 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 13:06:24,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 13:06:24,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 13:06:24,063 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 13:06:24,064 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 13:06:24,064 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 13:06:24,064 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 13:06:24,064 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 13:06:24,064 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 13:06:24,065 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 13:06:24,065 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 13:06:24,065 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 13:06:24,066 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 13:06:24,067 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 13:06:24,067 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 13:06:24,068 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 13:06:24,068 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 13:06:24,068 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 13:06:24,068 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 13:06:24,068 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 13:06:24,068 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 13:06:24,069 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 13:06:24,069 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 13:06:24,069 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 13:06:24,069 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 13:06:24,070 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 13:06:24,070 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 13:06:24,070 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2020-09-25 13:06:24,071 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 13:06:24,071 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 13:06:24,071 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 13:06:24,071 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 13:06:24,071 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 13:06:24,071 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 13:06:24,071 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 13:06:24,072 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 13:06:24,072 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 13:06:24,072 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 13:06:24,072 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 13:06:24,072 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 13:06:24,072 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 13:06:24,072 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 13:06:25,440 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 13:06:25,441 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 13:06:25,448 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:06:25 BoogieIcfgContainer
[2020-09-25 13:06:25,448 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 13:06:25,449 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 13:06:25,449 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 13:06:25,453 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 13:06:25,454 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:06:23" (1/3) ...
[2020-09-25 13:06:25,454 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366c5d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:06:25, skipping insertion in model container
[2020-09-25 13:06:25,455 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:23" (2/3) ...
[2020-09-25 13:06:25,455 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366c5d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:06:25, skipping insertion in model container
[2020-09-25 13:06:25,455 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:06:25" (3/3) ...
[2020-09-25 13:06:25,457 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product56.cil.c
[2020-09-25 13:06:25,471 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 13:06:25,483 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 13:06:25,507 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 13:06:25,544 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 13:06:25,544 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 13:06:25,544 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 13:06:25,544 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 13:06:25,545 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 13:06:25,545 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 13:06:25,545 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 13:06:25,545 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 13:06:25,577 INFO  L276                IsEmpty]: Start isEmpty. Operand 342 states.
[2020-09-25 13:06:25,595 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 13:06:25,596 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:25,597 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 13:06:25,598 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:25,606 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:25,606 INFO  L82        PathProgramCache]: Analyzing trace with hash 826882234, now seen corresponding path program 1 times
[2020-09-25 13:06:25,618 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:25,618 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501645979]
[2020-09-25 13:06:25,619 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:06:26,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:26,203 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:26,386 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:27,880 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:29,102 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,079 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,079 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 13:06:31,080 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 13:06:31,080 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5011
[2020-09-25 13:06:31,092 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,094 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 13:06:31,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 13:06:31,095 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 61
[2020-09-25 13:06:31,095 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 13:06:31,645 WARN  L193               SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:06:31,652 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:06:31,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,832 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,134 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,134 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:06:32,135 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,135 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 404
[2020-09-25 13:06:32,135 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,135 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,136 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:32,136 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:32,136 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 13:06:32,136 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:32,222 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:06:32,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,225 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,231 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,232 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:32,232 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,232 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 13:06:32,232 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,233 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:32,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:32,238 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:32,238 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 13:06:32,240 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:06:32,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,245 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,250 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,250 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:32,251 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,251 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:06:32,251 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,252 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,252 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:32,253 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:32,253 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:32,253 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:06:32,256 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:06:32,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,260 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,272 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,272 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:32,273 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,273 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 13:06:32,274 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,274 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,274 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:32,275 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:32,275 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:32,276 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:06:32,278 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:06:32,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,281 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,287 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,287 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:32,288 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,288 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 13:06:32,288 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,289 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,289 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:32,290 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:32,290 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:32,291 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:06:32,293 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 13:06:32,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,296 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,298 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,299 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:32,299 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,300 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:32,300 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,301 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:32,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:32,302 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:32,302 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:06:32,304 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 13:06:32,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,308 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,311 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,311 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:32,312 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,312 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:32,312 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,313 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,313 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:32,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:32,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:32,314 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:06:32,364 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 13:06:32,365 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501645979]
[2020-09-25 13:06:32,368 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:06:32,369 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 13:06:32,370 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808400494]
[2020-09-25 13:06:32,379 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 13:06:32,379 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:06:32,407 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 13:06:32,408 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 13:06:32,412 INFO  L87              Difference]: Start difference. First operand 342 states. Second operand 4 states.
[2020-09-25 13:06:33,057 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:35,833 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:06:35,833 INFO  L93              Difference]: Finished difference Result 769 states and 933 transitions.
[2020-09-25 13:06:35,834 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 13:06:35,837 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 142
[2020-09-25 13:06:35,839 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:06:35,862 INFO  L225             Difference]: With dead ends: 769
[2020-09-25 13:06:35,862 INFO  L226             Difference]: Without dead ends: 538
[2020-09-25 13:06:35,870 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 13:06:35,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 538 states.
[2020-09-25 13:06:36,105 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 462.
[2020-09-25 13:06:36,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 462 states.
[2020-09-25 13:06:36,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 521 transitions.
[2020-09-25 13:06:36,114 INFO  L78                 Accepts]: Start accepts. Automaton has 462 states and 521 transitions. Word has length 142
[2020-09-25 13:06:36,115 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:06:36,116 INFO  L479      AbstractCegarLoop]: Abstraction has 462 states and 521 transitions.
[2020-09-25 13:06:36,116 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 13:06:36,116 INFO  L276                IsEmpty]: Start isEmpty. Operand 462 states and 521 transitions.
[2020-09-25 13:06:36,129 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 13:06:36,129 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:36,130 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 13:06:36,130 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 13:06:36,130 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:36,131 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:36,131 INFO  L82        PathProgramCache]: Analyzing trace with hash 1051348659, now seen corresponding path program 1 times
[2020-09-25 13:06:36,131 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:36,131 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721432390]
[2020-09-25 13:06:36,132 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:06:36,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:36,251 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:36,359 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:36,576 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:37,161 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:37,552 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,249 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,250 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 13:06:41,250 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 13:06:41,250 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5056
[2020-09-25 13:06:41,251 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,251 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 18
[2020-09-25 13:06:41,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 13:06:41,252 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 13:06:41,252 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,562 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:06:41,566 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:06:41,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,640 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,844 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,844 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:06:41,844 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,845 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 242
[2020-09-25 13:06:41,845 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,845 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,845 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,846 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,846 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 13:06:41,846 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,897 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:06:41,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,899 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,902 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,903 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:41,903 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,903 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:41,904 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,904 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,904 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,905 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,905 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:41,906 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,907 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:06:41,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,910 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,914 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,914 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:41,915 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,915 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:41,915 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,916 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,916 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,916 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,916 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:41,917 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,918 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:06:41,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,922 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,930 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,930 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:41,930 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,930 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 13:06:41,931 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,931 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,931 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,932 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:41,932 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,934 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:06:41,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,936 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,939 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,940 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:41,940 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,940 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:41,941 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,941 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,942 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:41,943 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,956 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 13:06:41,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,962 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,973 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,982 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,988 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,988 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 29
[2020-09-25 13:06:41,989 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 13:06:41,989 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 29
[2020-09-25 13:06:41,989 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,990 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 13:06:41,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:06:41,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 28
[2020-09-25 13:06:41,991 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:42,006 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:42,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:42,011 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,019 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,024 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:42,024 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 13:06:42,025 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 13:06:42,025 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 13:06:42,025 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 13:06:42,027 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:42,030 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:42,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:42,034 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,041 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:42,041 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 13:06:42,041 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:42,041 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 13:06:42,042 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:42,042 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:42,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:06:42,042 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:06:42,043 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 13:06:42,043 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:42,059 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:42,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:42,062 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,065 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:42,065 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:42,065 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:42,065 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:42,066 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:42,066 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:42,066 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:42,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:42,067 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:42,067 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:42,069 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 13:06:42,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:42,071 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,073 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:42,073 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:42,073 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:42,073 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:42,074 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:42,074 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:42,074 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:42,074 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:42,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:42,075 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:42,076 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-25 13:06:42,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:42,079 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,080 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:42,080 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:42,080 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:42,081 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:42,081 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:42,081 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:42,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:42,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:42,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:42,082 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:42,127 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 13:06:42,127 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721432390]
[2020-09-25 13:06:42,127 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:06:42,128 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 13:06:42,128 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174193380]
[2020-09-25 13:06:42,130 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 13:06:42,130 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:06:42,131 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 13:06:42,131 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 13:06:42,131 INFO  L87              Difference]: Start difference. First operand 462 states and 521 transitions. Second operand 7 states.
[2020-09-25 13:06:42,625 WARN  L193               SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:06:44,382 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:06:46,146 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:06:46,147 INFO  L93              Difference]: Finished difference Result 1230 states and 1524 transitions.
[2020-09-25 13:06:46,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 13:06:46,148 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 161
[2020-09-25 13:06:46,149 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:06:46,161 INFO  L225             Difference]: With dead ends: 1230
[2020-09-25 13:06:46,161 INFO  L226             Difference]: Without dead ends: 878
[2020-09-25 13:06:46,167 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2020-09-25 13:06:46,170 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 878 states.
[2020-09-25 13:06:46,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 733.
[2020-09-25 13:06:46,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 733 states.
[2020-09-25 13:06:46,281 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 835 transitions.
[2020-09-25 13:06:46,282 INFO  L78                 Accepts]: Start accepts. Automaton has 733 states and 835 transitions. Word has length 161
[2020-09-25 13:06:46,282 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:06:46,283 INFO  L479      AbstractCegarLoop]: Abstraction has 733 states and 835 transitions.
[2020-09-25 13:06:46,283 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 13:06:46,283 INFO  L276                IsEmpty]: Start isEmpty. Operand 733 states and 835 transitions.
[2020-09-25 13:06:46,285 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 13:06:46,285 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:46,286 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 13:06:46,286 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 13:06:46,286 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:46,286 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:46,286 INFO  L82        PathProgramCache]: Analyzing trace with hash -1953483698, now seen corresponding path program 1 times
[2020-09-25 13:06:46,287 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:46,287 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295102139]
[2020-09-25 13:06:46,287 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:06:46,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:46,385 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:47,287 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:47,411 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:48,613 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:51,345 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:51,346 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 192
[2020-09-25 13:06:51,346 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 13:06:51,347 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5010
[2020-09-25 13:06:51,347 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:51,347 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:51,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 13:06:51,348 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 13:06:51,348 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 94
[2020-09-25 13:06:51,348 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:51,744 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:06:51,745 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:06:51,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:51,881 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,068 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,068 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:06:52,068 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,069 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 291
[2020-09-25 13:06:52,069 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,069 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:52,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:52,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 13:06:52,070 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:52,119 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:06:52,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:52,122 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,124 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,125 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:52,125 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,125 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:52,125 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,126 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:52,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:52,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:52,126 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 13:06:52,128 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:06:52,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:52,129 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,132 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,132 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:52,132 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,133 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:52,133 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,133 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,133 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:52,133 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:52,133 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:52,134 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:52,135 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:06:52,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:52,138 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,144 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,145 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:52,145 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,145 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 13:06:52,146 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,146 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,146 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:52,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:52,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:52,147 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:52,149 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:06:52,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:52,153 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,155 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,155 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:52,156 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,156 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:52,156 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,156 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:52,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:52,157 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:52,157 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:52,170 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 13:06:52,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:52,172 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,175 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,175 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 13:06:52,175 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,175 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:52,176 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,176 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:52,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:52,177 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 13:06:52,177 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:52,179 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 13:06:52,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:52,181 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,190 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,190 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:52,190 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,191 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 13:06:52,191 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,191 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:06:52,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:52,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:52,193 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:52,229 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-25 13:06:52,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:52,231 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:52,233 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:52,234 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:52,234 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:52,234 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:52,235 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:52,235 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:52,235 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:52,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:52,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:52,236 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:52,296 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 13:06:52,297 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295102139]
[2020-09-25 13:06:52,297 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:06:52,298 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 13:06:52,298 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473803518]
[2020-09-25 13:06:52,299 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 13:06:52,299 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:06:52,299 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 13:06:52,300 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 13:06:52,300 INFO  L87              Difference]: Start difference. First operand 733 states and 835 transitions. Second operand 9 states.
[2020-09-25 13:06:52,973 WARN  L193               SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:54,435 WARN  L193               SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188
[2020-09-25 13:06:54,992 WARN  L193               SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190
[2020-09-25 13:06:55,352 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:55,658 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:06:55,970 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:06:56,296 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 13:06:56,611 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:57,130 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:06:59,665 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:06:59,665 INFO  L93              Difference]: Finished difference Result 2084 states and 2544 transitions.
[2020-09-25 13:06:59,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-09-25 13:06:59,666 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 161
[2020-09-25 13:06:59,667 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:06:59,678 INFO  L225             Difference]: With dead ends: 2084
[2020-09-25 13:06:59,678 INFO  L226             Difference]: Without dead ends: 1381
[2020-09-25 13:06:59,682 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380
[2020-09-25 13:06:59,685 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1381 states.
[2020-09-25 13:06:59,942 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1231.
[2020-09-25 13:06:59,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1231 states.
[2020-09-25 13:06:59,950 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1392 transitions.
[2020-09-25 13:06:59,952 INFO  L78                 Accepts]: Start accepts. Automaton has 1231 states and 1392 transitions. Word has length 161
[2020-09-25 13:06:59,954 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:06:59,954 INFO  L479      AbstractCegarLoop]: Abstraction has 1231 states and 1392 transitions.
[2020-09-25 13:06:59,954 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 13:06:59,954 INFO  L276                IsEmpty]: Start isEmpty. Operand 1231 states and 1392 transitions.
[2020-09-25 13:06:59,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2020-09-25 13:06:59,958 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:59,959 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]
[2020-09-25 13:06:59,959 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 13:06:59,959 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:59,960 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:59,960 INFO  L82        PathProgramCache]: Analyzing trace with hash -1356616012, now seen corresponding path program 1 times
[2020-09-25 13:06:59,960 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:59,961 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862131969]
[2020-09-25 13:06:59,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:07:00,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:00,062 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:00,321 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:00,765 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:02,880 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:02,880 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-25 13:07:02,881 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 13:07:02,881 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2865
[2020-09-25 13:07:02,881 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:02,881 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:02,881 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 13:07:02,882 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 13:07:02,882 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 117
[2020-09-25 13:07:02,882 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 13:07:03,310 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:07:03,311 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:07:03,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,391 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,658 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,659 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:07:03,659 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,660 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 305
[2020-09-25 13:07:03,660 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,660 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,661 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:07:03,661 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,661 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 13:07:03,662 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,718 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:07:03,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,721 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,725 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,725 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:07:03,726 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,726 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:07:03,726 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,727 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,727 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:07:03,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:07:03,728 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:07:03,730 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:07:03,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,732 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,735 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,736 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:07:03,736 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,736 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:07:03,736 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,737 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,737 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:07:03,737 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,738 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:07:03,738 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,739 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:07:03,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,742 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,749 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,749 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:07:03,750 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,750 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 13:07:03,750 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,751 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:07:03,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,752 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:07:03,752 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,754 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:07:03,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,757 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,760 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,760 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:07:03,761 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,761 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:07:03,761 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,762 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,762 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:07:03,762 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,763 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:07:03,763 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,781 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 13:07:03,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,784 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,794 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,795 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 13:07:03,795 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,796 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 13:07:03,796 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,796 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,797 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:07:03,797 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,797 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 13:07:03,798 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,818 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-09-25 13:07:03,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,822 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,828 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,832 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,833 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 13:07:03,833 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 13:07:03,833 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 13:07:03,834 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,834 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,834 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 13:07:03,835 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:07:03,835 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 13:07:03,835 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,854 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 13:07:03,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,857 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,860 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,861 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:07:03,861 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,861 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:07:03,862 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,862 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:07:03,863 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,863 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:07:03,863 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,866 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-09-25 13:07:03,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:07:03,869 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:07:03,892 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:07:03,893 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:07:03,893 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:07:03,893 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 24
[2020-09-25 13:07:03,894 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:07:03,894 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:07:03,894 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:07:03,895 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:07:03,895 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:07:03,895 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:07:03,987 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 13:07:03,988 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862131969]
[2020-09-25 13:07:03,988 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:07:03,988 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 13:07:03,988 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721583055]
[2020-09-25 13:07:03,989 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 13:07:03,989 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:07:03,989 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 13:07:03,990 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2020-09-25 13:07:03,990 INFO  L87              Difference]: Start difference. First operand 1231 states and 1392 transitions. Second operand 11 states.
[2020-09-25 13:07:04,493 WARN  L193               SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:07:05,858 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:07:06,186 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 13:07:06,514 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:07:06,953 WARN  L193               SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 13:07:07,279 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:07:08,089 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:07:08,393 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:07:08,809 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188