/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=0.5 --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_spec3_product34.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:19:07,907 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:19:07,911 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:19:07,938 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:19:07,939 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:19:07,940 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:19:07,941 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:19:07,944 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:19:07,946 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:19:07,947 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:19:07,948 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:19:07,949 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:19:07,950 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:19:07,951 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:19:07,952 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:19:07,953 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:19:07,954 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:19:07,956 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:19:07,958 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:19:07,960 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:19:07,962 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:19:07,964 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:19:07,965 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:19:07,967 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:19:07,970 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:19:07,970 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:19:07,970 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:19:07,972 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:19:07,972 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:19:07,974 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:19:07,974 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:19:07,975 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:19:07,976 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:19:07,977 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:19:07,978 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:19:07,979 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:19:07,980 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:19:07,980 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:19:07,980 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:19:07,982 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:19:07,983 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:19:07,984 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 14:19:08,018 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 14:19:08,018 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:19:08,020 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:19:08,020 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 14:19:08,020 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 14:19:08,020 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:19:08,021 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 14:19:08,021 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 14:19:08,021 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 14:19:08,021 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 14:19:08,021 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:19:08,021 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:19:08,022 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:19:08,022 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 14:19:08,022 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 14:19:08,022 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 14:19:08,022 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:19:08,023 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:19:08,023 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 14:19:08,023 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 14:19:08,023 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 14:19:08,023 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:19:08,024 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:19:08,024 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:19:08,024 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:19:08,024 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 14:19:08,024 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:19:08,025 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:19:08,025 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 14:19:08,025 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true;
[2020-09-25 14:19:08,545 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:19:08,563 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:19:08,568 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:19:08,569 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 14:19:08,570 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 14:19:08,571 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c
[2020-09-25 14:19:08,668 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37e281483/1b199fd01652486c824d96c44214a4b2/FLAG50122cd96
[2020-09-25 14:19:09,294 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 14:19:09,295 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c
[2020-09-25 14:19:09,310 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37e281483/1b199fd01652486c824d96c44214a4b2/FLAG50122cd96
[2020-09-25 14:19:09,557 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37e281483/1b199fd01652486c824d96c44214a4b2
[2020-09-25 14:19:09,571 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:19:09,578 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:19:09,579 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:19:09,579 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:19:09,585 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:19:09,586 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:09" (1/1) ...
[2020-09-25 14:19:09,591 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e33fb78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:09, skipping insertion in model container
[2020-09-25 14:19:09,591 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:09" (1/1) ...
[2020-09-25 14:19:09,601 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 14:19:09,655 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:19:10,087 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:19:10,108 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 14:19:10,291 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:19:10,334 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 14:19:10,334 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10 WrapperNode
[2020-09-25 14:19:10,334 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:19:10,335 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:19:10,336 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:19:10,336 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:19:10,351 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (1/1) ...
[2020-09-25 14:19:10,352 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (1/1) ...
[2020-09-25 14:19:10,373 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (1/1) ...
[2020-09-25 14:19:10,373 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (1/1) ...
[2020-09-25 14:19:10,408 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (1/1) ...
[2020-09-25 14:19:10,421 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (1/1) ...
[2020-09-25 14:19:10,426 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (1/1) ...
[2020-09-25 14:19:10,435 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:19:10,435 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:19:10,435 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:19:10,436 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:19:10,437 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (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 14:19:10,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:19:10,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:19:10,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:19:10,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 14:19:10,512 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 14:19:10,512 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 14:19:10,512 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 14:19:10,512 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 14:19:10,512 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:19:10,512 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 14:19:10,513 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 14:19:10,513 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 14:19:10,513 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 14:19:10,513 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 14:19:10,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 14:19:10,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 14:19:10,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 14:19:10,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 14:19:10,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 14:19:10,515 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 14:19:10,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 14:19:10,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:19:10,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 14:19:10,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 14:19:10,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 14:19:10,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:19:10,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 14:19:10,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 14:19:10,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 14:19:10,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 14:19:10,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 14:19:10,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 14:19:10,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 14:19:10,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 14:19:10,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 14:19:10,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 14:19:10,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 14:19:10,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 14:19:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:19:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 14:19:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 14:19:10,519 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 14:19:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 14:19:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 14:19:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 14:19:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 14:19:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 14:19:10,520 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 14:19:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 14:19:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 14:19:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 14:19:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 14:19:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 14:19:10,521 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 14:19:10,522 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:19:10,522 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 14:19:10,522 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 14:19:10,522 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 14:19:10,522 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 14:19:10,522 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 14:19:10,523 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 14:19:10,523 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 14:19:10,523 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:19:10,523 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 14:19:10,523 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 14:19:10,524 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 14:19:10,524 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 14:19:10,524 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:19:10,524 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 14:19:10,524 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 14:19:10,524 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 14:19:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 14:19:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 14:19:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 14:19:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:19:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 14:19:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 14:19:10,525 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:19:10,526 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:19:10,526 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:19:10,526 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:19:10,526 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 14:19:10,526 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 14:19:10,527 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 14:19:10,527 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 14:19:10,527 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 14:19:10,527 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 14:19:10,527 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:19:10,527 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 14:19:10,528 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:19:11,711 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:19:11,711 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 14:19:11,728 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:11 BoogieIcfgContainer
[2020-09-25 14:19:11,728 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:19:11,729 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:19:11,730 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:19:11,736 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:19:11,736 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:19:09" (1/3) ...
[2020-09-25 14:19:11,737 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4d423b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:11, skipping insertion in model container
[2020-09-25 14:19:11,738 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:10" (2/3) ...
[2020-09-25 14:19:11,738 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4d423b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:11, skipping insertion in model container
[2020-09-25 14:19:11,739 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:11" (3/3) ...
[2020-09-25 14:19:11,741 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c
[2020-09-25 14:19:11,754 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:19:11,768 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:19:11,793 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:19:11,824 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:19:11,824 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 14:19:11,825 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:19:11,825 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:19:11,825 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:19:11,825 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 14:19:11,825 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:19:11,825 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:19:11,855 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states.
[2020-09-25 14:19:11,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 14:19:11,873 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:19:11,875 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]
[2020-09-25 14:19:11,875 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:11,882 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:11,882 INFO  L82        PathProgramCache]: Analyzing trace with hash 1309084967, now seen corresponding path program 1 times
[2020-09-25 14:19:11,893 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:11,894 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905927601]
[2020-09-25 14:19:11,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:12,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:12,471 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:12,643 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:14,309 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:17,306 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:17,307 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 14:19:17,308 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:19:17,308 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5000
[2020-09-25 14:19:17,313 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:17,313 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:17,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 14:19:17,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 14:19:17,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 61
[2020-09-25 14:19:17,315 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 14:19:17,881 WARN  L193               SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:17,886 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:17,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:17,993 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,270 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,276 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:18,276 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,277 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 328
[2020-09-25 14:19:18,277 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,277 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:18,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:18,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 14:19:18,279 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:18,374 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:18,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:18,379 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,389 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,389 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:18,389 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,390 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 14:19:18,390 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,391 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:18,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:18,392 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:18,392 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:18,396 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:18,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:18,398 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,402 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,402 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:18,403 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,403 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:18,404 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,404 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,404 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:18,405 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:18,405 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:18,405 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:18,408 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:18,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:18,413 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,423 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,424 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:18,424 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,425 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 14:19:18,425 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,425 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,426 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:18,426 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:18,426 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:18,427 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:18,429 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:18,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:18,432 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,437 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,438 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:18,438 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,439 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 14:19:18,439 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,439 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,440 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:18,440 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:18,440 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:18,441 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:18,443 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 14:19:18,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:18,448 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,452 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,452 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:18,452 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,453 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:18,455 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,455 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,455 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:18,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:18,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:18,458 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 14:19:18,460 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 14:19:18,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:18,462 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,465 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,465 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:18,466 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,466 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:18,466 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,466 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,467 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:18,467 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:18,467 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:18,467 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:18,470 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 14:19:18,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:18,475 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:18,478 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:18,478 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:18,478 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:18,479 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:18,479 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:18,479 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:18,479 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:18,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:18,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:18,480 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:18,516 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 14:19:18,517 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905927601]
[2020-09-25 14:19:18,520 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:18,520 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 14:19:18,521 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469122930]
[2020-09-25 14:19:18,531 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 14:19:18,532 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:18,549 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 14:19:18,550 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 14:19:18,553 INFO  L87              Difference]: Start difference. First operand 299 states. Second operand 4 states.
[2020-09-25 14:19:19,285 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:20,385 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:20,386 INFO  L93              Difference]: Finished difference Result 450 states and 535 transitions.
[2020-09-25 14:19:20,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 14:19:20,388 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 153
[2020-09-25 14:19:20,389 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:20,409 INFO  L225             Difference]: With dead ends: 450
[2020-09-25 14:19:20,410 INFO  L226             Difference]: Without dead ends: 282
[2020-09-25 14:19:20,416 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 14:19:20,439 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2020-09-25 14:19:20,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 242.
[2020-09-25 14:19:20,575 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 242 states.
[2020-09-25 14:19:20,578 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 260 transitions.
[2020-09-25 14:19:20,580 INFO  L78                 Accepts]: Start accepts. Automaton has 242 states and 260 transitions. Word has length 153
[2020-09-25 14:19:20,583 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:20,585 INFO  L479      AbstractCegarLoop]: Abstraction has 242 states and 260 transitions.
[2020-09-25 14:19:20,585 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 14:19:20,586 INFO  L276                IsEmpty]: Start isEmpty. Operand 242 states and 260 transitions.
[2020-09-25 14:19:20,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-09-25 14:19:20,601 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:19:20,602 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]
[2020-09-25 14:19:20,602 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:19:20,602 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:20,603 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:20,603 INFO  L82        PathProgramCache]: Analyzing trace with hash 471162040, now seen corresponding path program 1 times
[2020-09-25 14:19:20,603 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:20,603 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226692234]
[2020-09-25 14:19:20,604 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:20,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:20,723 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:20,837 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:21,007 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:24,615 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:25,584 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:25,684 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:25,685 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-25 14:19:25,685 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 14:19:25,685 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5013
[2020-09-25 14:19:25,686 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:25,686 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:25,686 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 14:19:25,686 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 14:19:25,686 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 68
[2020-09-25 14:19:25,687 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,030 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:26,031 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:26,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,098 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,296 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,297 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:26,297 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,297 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 232
[2020-09-25 14:19:26,297 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,297 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,298 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:26,298 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:26,298 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 14:19:26,298 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,336 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:26,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,340 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,343 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,343 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:26,343 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,343 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:26,344 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,344 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,344 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:26,344 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:26,345 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:26,345 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,346 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:26,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,348 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,351 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,351 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:26,352 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,352 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:26,352 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,352 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,352 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:26,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:26,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:26,353 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,354 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:26,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,357 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,364 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,364 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:26,364 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,365 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:19:26,365 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,365 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,365 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:26,365 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:26,366 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:26,366 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,368 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:26,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,370 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,372 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,373 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:26,373 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,373 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:26,374 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,374 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:26,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:26,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:26,375 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,384 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 14:19:26,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,388 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,393 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,393 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 14:19:26,393 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,393 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 14:19:26,394 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,394 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,394 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 14:19:26,394 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 14:19:26,395 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 14:19:26,395 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,406 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:26,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,408 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,413 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,413 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:26,413 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,414 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:26,414 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,414 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,415 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:26,415 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:26,415 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:26,415 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,417 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 14:19:26,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,419 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,420 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,421 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:26,421 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,421 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:26,421 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,421 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:26,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:26,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:26,422 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,424 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 14:19:26,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,426 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,427 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,427 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:26,428 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,428 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:26,428 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,428 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,428 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:26,429 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:26,429 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:26,429 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,430 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 14:19:26,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:26,432 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:26,434 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:26,434 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:26,434 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:26,434 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:26,435 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:26,435 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:26,435 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:26,435 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:26,435 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:26,436 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:26,464 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 14:19:26,465 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226692234]
[2020-09-25 14:19:26,465 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:26,465 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 14:19:26,465 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036690493]
[2020-09-25 14:19:26,469 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 14:19:26,469 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:26,469 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 14:19:26,469 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-09-25 14:19:26,470 INFO  L87              Difference]: Start difference. First operand 242 states and 260 transitions. Second operand 6 states.
[2020-09-25 14:19:27,001 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:28,473 WARN  L193               SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:29,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:29,523 INFO  L93              Difference]: Finished difference Result 586 states and 691 transitions.
[2020-09-25 14:19:29,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 14:19:29,523 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 162
[2020-09-25 14:19:29,524 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:29,529 INFO  L225             Difference]: With dead ends: 586
[2020-09-25 14:19:29,529 INFO  L226             Difference]: Without dead ends: 454
[2020-09-25 14:19:29,532 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2020-09-25 14:19:29,533 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 454 states.
[2020-09-25 14:19:29,602 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 380.
[2020-09-25 14:19:29,602 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 380 states.
[2020-09-25 14:19:29,605 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 420 transitions.
[2020-09-25 14:19:29,605 INFO  L78                 Accepts]: Start accepts. Automaton has 380 states and 420 transitions. Word has length 162
[2020-09-25 14:19:29,606 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:29,606 INFO  L479      AbstractCegarLoop]: Abstraction has 380 states and 420 transitions.
[2020-09-25 14:19:29,606 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 14:19:29,606 INFO  L276                IsEmpty]: Start isEmpty. Operand 380 states and 420 transitions.
[2020-09-25 14:19:29,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2020-09-25 14:19:29,609 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:19:29,610 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:29,610 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:19:29,610 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:29,610 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:29,611 INFO  L82        PathProgramCache]: Analyzing trace with hash 158735571, now seen corresponding path program 1 times
[2020-09-25 14:19:29,611 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:29,611 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091974430]
[2020-09-25 14:19:29,611 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:29,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:29,715 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:29,810 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:29,922 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:34,703 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:34,704 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 227
[2020-09-25 14:19:34,704 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:19:34,704 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5040
[2020-09-25 14:19:34,705 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:34,705 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:34,705 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:34,705 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 157
[2020-09-25 14:19:34,705 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 14:19:34,706 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,002 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:35,003 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:35,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,020 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,110 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,110 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:35,110 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,110 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 98
[2020-09-25 14:19:35,111 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,111 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:35,111 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,112 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,141 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:35,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,143 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,144 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,144 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:35,145 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,145 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:35,145 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,145 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,146 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,146 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:35,146 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,146 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,147 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:35,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,149 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,150 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,150 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:35,150 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,151 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 14:19:35,151 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,151 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,151 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,151 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:35,152 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,152 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:35,153 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:35,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,154 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,158 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,158 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:35,158 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,158 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:35,159 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,159 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,159 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,159 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:35,159 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,160 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,161 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:35,162 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,163 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,164 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,164 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:35,164 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,164 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 14:19:35,165 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,165 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:35,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,166 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:35,175 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 14:19:35,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,183 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,195 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,348 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,349 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 14:19:35,349 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:19:35,349 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 169
[2020-09-25 14:19:35,349 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,350 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:35,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 14:19:35,350 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 14:19:35,351 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,354 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:35,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,360 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,390 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,390 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 14:19:35,390 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,390 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 32
[2020-09-25 14:19:35,391 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,391 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:35,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 14:19:35,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 14:19:35,392 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,422 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 14:19:35,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,426 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,431 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,432 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 14:19:35,432 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,432 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 14:19:35,432 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,432 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 14:19:35,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:35,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:35,433 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,455 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 14:19:35,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,457 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,458 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,458 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:35,458 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,459 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 14:19:35,459 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,459 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,459 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,459 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-09-25 14:19:35,460 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,460 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:35,461 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-09-25 14:19:35,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,464 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,465 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,465 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:35,466 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,466 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:35,466 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,466 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,466 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,467 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:35,467 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,467 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,469 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2020-09-25 14:19:35,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,471 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,473 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,473 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:35,473 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,473 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:35,473 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,474 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:35,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,474 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:35,476 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174
[2020-09-25 14:19:35,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:35,478 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,480 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:35,480 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:35,480 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:35,480 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:35,481 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:35,481 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:35,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:35,481 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:35,482 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:35,482 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:35,515 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 14:19:35,516 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091974430]
[2020-09-25 14:19:35,516 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:35,516 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 14:19:35,517 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367412200]
[2020-09-25 14:19:35,517 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 14:19:35,518 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:35,518 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 14:19:35,518 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 14:19:35,518 INFO  L87              Difference]: Start difference. First operand 380 states and 420 transitions. Second operand 8 states.
[2020-09-25 14:19:36,971 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:37,266 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:19:37,589 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:37,919 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:19:38,226 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:39,270 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:39,271 INFO  L93              Difference]: Finished difference Result 729 states and 862 transitions.
[2020-09-25 14:19:39,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-25 14:19:39,271 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 186
[2020-09-25 14:19:39,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:39,277 INFO  L225             Difference]: With dead ends: 729
[2020-09-25 14:19:39,277 INFO  L226             Difference]: Without dead ends: 459
[2020-09-25 14:19:39,285 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156
[2020-09-25 14:19:39,287 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 459 states.
[2020-09-25 14:19:39,394 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 386.
[2020-09-25 14:19:39,395 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 386 states.
[2020-09-25 14:19:39,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 426 transitions.
[2020-09-25 14:19:39,398 INFO  L78                 Accepts]: Start accepts. Automaton has 386 states and 426 transitions. Word has length 186
[2020-09-25 14:19:39,398 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:39,398 INFO  L479      AbstractCegarLoop]: Abstraction has 386 states and 426 transitions.
[2020-09-25 14:19:39,398 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 14:19:39,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 386 states and 426 transitions.
[2020-09-25 14:19:39,401 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2020-09-25 14:19:39,402 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:19:39,402 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:39,402 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 14:19:39,402 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:39,403 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:39,403 INFO  L82        PathProgramCache]: Analyzing trace with hash -135374382, now seen corresponding path program 1 times
[2020-09-25 14:19:39,403 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:39,403 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654166391]
[2020-09-25 14:19:39,404 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:39,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:39,519 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:39,674 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:42,286 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:42,286 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 240
[2020-09-25 14:19:42,286 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:19:42,287 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2826
[2020-09-25 14:19:42,287 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:42,287 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:42,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 14:19:42,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 14:19:42,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 143
[2020-09-25 14:19:42,289 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:42,677 WARN  L193               SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:42,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:42,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:42,781 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:42,978 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:42,979 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:42,979 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:42,979 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 263
[2020-09-25 14:19:42,980 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:42,980 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:42,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:42,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:42,981 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 14:19:42,981 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,043 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:43,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,045 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,050 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,050 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:43,051 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,051 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:43,051 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,052 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,052 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:43,052 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,053 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:43,053 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,054 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:43,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,057 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,060 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,060 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:43,061 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,061 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:43,061 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,062 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:43,062 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,063 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:43,063 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,065 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:43,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,069 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,077 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,077 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:43,077 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,077 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 14:19:43,078 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,078 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,078 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:43,078 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,079 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:43,079 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,081 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:43,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,083 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,086 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,086 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:43,086 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,087 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:43,087 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,088 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:43,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,089 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:43,089 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,107 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 14:19:43,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,110 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,115 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,115 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 14:19:43,115 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,116 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:43,116 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,116 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:43,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,117 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 14:19:43,118 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,134 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 14:19:43,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,141 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,159 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,168 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,168 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 14:19:43,169 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:19:43,169 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 30
[2020-09-25 14:19:43,170 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,170 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:43,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,171 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-25 14:19:43,171 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,176 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:43,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,179 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,187 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,187 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 14:19:43,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,188 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:19:43,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,189 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:43,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:43,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,193 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 14:19:43,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,196 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,200 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,201 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 14:19:43,201 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,202 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:43,202 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,202 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,203 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:43,203 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,204 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:43,204 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 14:19:43,207 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 14:19:43,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,209 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,210 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,210 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:43,211 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,211 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:43,211 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,211 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,212 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:43,212 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,212 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:43,212 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,214 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167
[2020-09-25 14:19:43,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,217 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,221 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,221 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:43,222 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,222 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:43,222 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,223 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,223 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:43,223 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,224 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:43,224 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,226 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2020-09-25 14:19:43,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,231 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,240 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,240 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:43,240 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,241 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 14:19:43,241 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,241 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:43,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:43,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:43,243 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,275 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2020-09-25 14:19:43,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,278 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:43,279 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:43,280 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:43,280 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:43,281 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:43,281 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:43,281 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:43,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:43,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:43,282 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:43,283 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:43,364 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 14:19:43,365 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654166391]
[2020-09-25 14:19:43,366 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:43,366 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 14:19:43,367 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123142945]
[2020-09-25 14:19:43,368 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 14:19:43,369 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:43,369 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 14:19:43,370 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:19:43,370 INFO  L87              Difference]: Start difference. First operand 386 states and 426 transitions. Second operand 11 states.
[2020-09-25 14:19:43,909 WARN  L193               SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:45,738 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:19:46,091 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:46,471 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:46,808 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 14:19:47,126 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:47,700 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:48,064 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:19:48,496 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:19:50,329 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:50,329 INFO  L93              Difference]: Finished difference Result 1128 states and 1460 transitions.
[2020-09-25 14:19:50,330 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 14:19:50,330 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 199
[2020-09-25 14:19:50,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:50,337 INFO  L225             Difference]: With dead ends: 1128
[2020-09-25 14:19:50,337 INFO  L226             Difference]: Without dead ends: 809
[2020-09-25 14:19:50,340 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552
[2020-09-25 14:19:50,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 809 states.
[2020-09-25 14:19:50,427 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 590.
[2020-09-25 14:19:50,427 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 590 states.
[2020-09-25 14:19:50,431 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 662 transitions.
[2020-09-25 14:19:50,431 INFO  L78                 Accepts]: Start accepts. Automaton has 590 states and 662 transitions. Word has length 199
[2020-09-25 14:19:50,432 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:50,432 INFO  L479      AbstractCegarLoop]: Abstraction has 590 states and 662 transitions.
[2020-09-25 14:19:50,432 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 14:19:50,433 INFO  L276                IsEmpty]: Start isEmpty. Operand 590 states and 662 transitions.
[2020-09-25 14:19:50,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2020-09-25 14:19:50,437 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:19:50,437 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:50,437 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 14:19:50,438 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:50,438 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:50,438 INFO  L82        PathProgramCache]: Analyzing trace with hash -321962154, now seen corresponding path program 1 times
[2020-09-25 14:19:50,438 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:50,439 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973662068]
[2020-09-25 14:19:50,439 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:50,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:50,544 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,348 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,348 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 247
[2020-09-25 14:19:51,348 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,348 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 856
[2020-09-25 14:19:51,349 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,349 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 14:19:51,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 185
[2020-09-25 14:19:51,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 14:19:51,350 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:51,645 WARN  L193               SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:51,646 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:51,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,662 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,743 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,743 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:51,743 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,744 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 88
[2020-09-25 14:19:51,744 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,744 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,744 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:51,744 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,745 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:51,745 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:51,775 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:51,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,777 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,778 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,778 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:51,778 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,779 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:51,779 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,779 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,779 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:51,779 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:51,780 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:51,781 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:51,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,782 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,784 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,784 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:51,784 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,784 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 14:19:51,784 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,785 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,785 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:51,785 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,785 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:51,785 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:51,786 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:51,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,788 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,792 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,792 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:51,792 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,792 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:51,793 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,793 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,793 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:51,793 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:51,794 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:51,795 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:51,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,797 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,799 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,799 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:51,799 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,800 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:51,800 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,800 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,800 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:51,800 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,801 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:51,801 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:51,811 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 14:19:51,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,813 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,817 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,817 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 14:19:51,817 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,818 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:51,818 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,818 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,818 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:51,818 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:51,819 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:51,827 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 14:19:51,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,829 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,831 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,832 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 14:19:51,832 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,832 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:51,832 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,832 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:51,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:51,833 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:51,846 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 14:19:51,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,855 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,907 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,907 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 14:19:51,907 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,907 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 55
[2020-09-25 14:19:51,908 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,908 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,908 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 14:19:51,908 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 14:19:51,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 14:19:51,909 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:51,937 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:51,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:51,942 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:51,972 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:51,972 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 14:19:51,973 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:51,973 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 32
[2020-09-25 14:19:51,973 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:51,973 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:51,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:51,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:51,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 14:19:51,975 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:52,014 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 14:19:52,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:52,016 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:52,020 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:52,020 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 14:19:52,020 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:52,021 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:52,021 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:52,021 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:52,021 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:52,022 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:52,022 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:52,022 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:52,024 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 14:19:52,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:52,026 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:52,028 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:52,028 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:52,028 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:52,029 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:52,029 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:52,029 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:52,029 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:52,030 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 5
[2020-09-25 14:19:52,030 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:52,030 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:52,033 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2020-09-25 14:19:52,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:52,035 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:52,036 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:52,037 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:52,037 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:52,037 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:52,038 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:52,038 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:52,038 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:52,038 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:52,038 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:52,039 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:52,040 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-09-25 14:19:52,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:52,042 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:52,043 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:52,044 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:52,044 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:52,044 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:52,044 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:52,044 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:52,045 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:52,045 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:52,045 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:52,045 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:52,046 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2020-09-25 14:19:52,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:52,048 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:52,050 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:52,050 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:52,050 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:52,051 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:52,051 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:52,051 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:52,051 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:52,051 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:52,052 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:52,052 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:52,098 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 14:19:52,098 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973662068]
[2020-09-25 14:19:52,099 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:52,099 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 14:19:52,099 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147400153]
[2020-09-25 14:19:52,100 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 14:19:52,100 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:52,100 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 14:19:52,100 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:19:52,101 INFO  L87              Difference]: Start difference. First operand 590 states and 662 transitions. Second operand 11 states.
[2020-09-25 14:19:53,428 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:53,754 WARN  L193               SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:19:54,071 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 14:19:54,397 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:54,733 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:19:55,045 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:56,429 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:56,429 INFO  L93              Difference]: Finished difference Result 1430 states and 1756 transitions.
[2020-09-25 14:19:56,430 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2020-09-25 14:19:56,430 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 204
[2020-09-25 14:19:56,430 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:56,437 INFO  L225             Difference]: With dead ends: 1430
[2020-09-25 14:19:56,437 INFO  L226             Difference]: Without dead ends: 950
[2020-09-25 14:19:56,439 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462
[2020-09-25 14:19:56,441 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 950 states.
[2020-09-25 14:19:56,528 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 598.
[2020-09-25 14:19:56,529 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 598 states.
[2020-09-25 14:19:56,532 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 670 transitions.
[2020-09-25 14:19:56,533 INFO  L78                 Accepts]: Start accepts. Automaton has 598 states and 670 transitions. Word has length 204
[2020-09-25 14:19:56,533 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:56,534 INFO  L479      AbstractCegarLoop]: Abstraction has 598 states and 670 transitions.
[2020-09-25 14:19:56,534 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 14:19:56,534 INFO  L276                IsEmpty]: Start isEmpty. Operand 598 states and 670 transitions.
[2020-09-25 14:19:56,537 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2020-09-25 14:19:56,537 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 14:19:56,538 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:56,538 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 14:19:56,538 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:56,538 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:56,539 INFO  L82        PathProgramCache]: Analyzing trace with hash 1295053750, now seen corresponding path program 1 times
[2020-09-25 14:19:56,539 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:56,539 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812681833]
[2020-09-25 14:19:56,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:56,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,638 FATAL L256   erpolLogProxyWrapper]: Now shrinking...