/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 13:03:25,971 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 13:03:25,975 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 13:03:26,002 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 13:03:26,002 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 13:03:26,004 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 13:03:26,005 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 13:03:26,008 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 13:03:26,010 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 13:03:26,011 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 13:03:26,012 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 13:03:26,013 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 13:03:26,014 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 13:03:26,015 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 13:03:26,016 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 13:03:26,018 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 13:03:26,022 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 13:03:26,023 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 13:03:26,027 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 13:03:26,030 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 13:03:26,034 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 13:03:26,036 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 13:03:26,037 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 13:03:26,038 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 13:03:26,044 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 13:03:26,045 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 13:03:26,045 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 13:03:26,049 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 13:03:26,049 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 13:03:26,052 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 13:03:26,053 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 13:03:26,054 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 13:03:26,054 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 13:03:26,056 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 13:03:26,057 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 13:03:26,058 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 13:03:26,059 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-09-25 13:03:26,059 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 13:03:26,060 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 13:03:26,071 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 13:03:26,072 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 13:03:26,126 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 13:03:26,126 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 13:03:26,128 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 13:03:26,128 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 13:03:26,128 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 13:03:26,129 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 13:03:26,129 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 13:03:26,129 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 13:03:26,129 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 13:03:26,129 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 13:03:26,131 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 13:03:26,131 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 13:03:26,131 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 13:03:26,131 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 13:03:26,133 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 13:03:26,133 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 13:03:26,133 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 13:03:26,134 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 13:03:26,134 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 13:03:26,134 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 13:03:26,134 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 13:03:26,134 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 13:03:26,135 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 13:03:26,135 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 13:03:26,135 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 13:03:26,135 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 13:03:26,136 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 13:03:26,136 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 13:03:26,136 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 13:03:26,136 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
[2020-09-25 13:03:27,082 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 13:03:27,106 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 13:03:27,111 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 13:03:27,112 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 13:03:27,113 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 13:03:27,120 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c
[2020-09-25 13:03:27,202 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f0637949/31afc0c03fb840c5b3b9ab409ce87be3/FLAGe768b6ee5
[2020-09-25 13:03:27,795 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 13:03:27,800 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c
[2020-09-25 13:03:27,815 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f0637949/31afc0c03fb840c5b3b9ab409ce87be3/FLAGe768b6ee5
[2020-09-25 13:03:28,087 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f0637949/31afc0c03fb840c5b3b9ab409ce87be3
[2020-09-25 13:03:28,099 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 13:03:28,105 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 13:03:28,106 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 13:03:28,106 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 13:03:28,111 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 13:03:28,112 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,117 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357d93df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28, skipping insertion in model container
[2020-09-25 13:03:28,117 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,126 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 13:03:28,205 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 13:03:28,643 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:03:28,658 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 13:03:28,818 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:03:28,852 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 13:03:28,852 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28 WrapperNode
[2020-09-25 13:03:28,853 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 13:03:28,854 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 13:03:28,854 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 13:03:28,854 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 13:03:28,869 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,870 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,891 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,891 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,924 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,936 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,941 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
[2020-09-25 13:03:28,949 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 13:03:28,950 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 13:03:28,950 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 13:03:28,951 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 13:03:28,952 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 13:03:29,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 13:03:29,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 13:03:29,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:03:29,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 13:03:29,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 13:03:29,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:03:29,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 13:03:29,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 13:03:29,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 13:03:29,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 13:03:29,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 13:03:29,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 13:03:29,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 13:03:29,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 13:03:29,053 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 13:03:29,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 13:03:29,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 13:03:29,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 13:03:29,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 13:03:29,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 13:03:29,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 13:03:29,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 13:03:29,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 13:03:29,055 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 13:03:29,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 13:03:29,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 13:03:29,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 13:03:29,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 13:03:29,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 13:03:29,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 13:03:29,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 13:03:29,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 13:03:29,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 13:03:29,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 13:03:29,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 13:03:29,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 13:03:29,058 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 13:03:29,058 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 13:03:29,058 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 13:03:29,060 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 13:03:29,060 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 13:03:29,061 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 13:03:29,061 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 13:03:29,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 13:03:29,061 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 13:03:29,061 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 13:03:29,062 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 13:03:29,062 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 13:03:29,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 13:03:29,062 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:03:29,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:03:29,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 13:03:29,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 13:03:29,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 13:03:29,063 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 13:03:29,063 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 13:03:29,064 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 13:03:29,064 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 13:03:29,064 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 13:03:29,064 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 13:03:29,064 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 13:03:29,064 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 13:03:29,064 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 13:03:29,065 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 13:03:29,065 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 13:03:29,065 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 13:03:29,065 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 13:03:29,066 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 13:03:29,066 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 13:03:29,066 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 13:03:29,067 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 13:03:29,068 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 13:03:29,068 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 13:03:29,068 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 13:03:29,069 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 13:03:29,069 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 13:03:29,069 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 13:03:29,069 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 13:03:29,069 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 13:03:29,069 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 13:03:29,069 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 13:03:29,070 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 13:03:29,070 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 13:03:29,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 13:03:29,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 13:03:29,070 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 13:03:30,262 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 13:03:30,262 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 13:03:30,279 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:03:30 BoogieIcfgContainer
[2020-09-25 13:03:30,279 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 13:03:30,282 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 13:03:30,283 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 13:03:30,288 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 13:03:30,288 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:03:28" (1/3) ...
[2020-09-25 13:03:30,289 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d11bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:03:30, skipping insertion in model container
[2020-09-25 13:03:30,290 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:03:28" (2/3) ...
[2020-09-25 13:03:30,291 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d11bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:03:30, skipping insertion in model container
[2020-09-25 13:03:30,291 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:03:30" (3/3) ...
[2020-09-25 13:03:30,293 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c
[2020-09-25 13:03:30,306 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 13:03:30,319 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 13:03:30,341 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 13:03:30,374 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 13:03:30,375 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 13:03:30,375 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 13:03:30,375 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 13:03:30,375 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 13:03:30,375 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 13:03:30,376 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 13:03:30,376 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 13:03:30,406 INFO  L276                IsEmpty]: Start isEmpty. Operand 268 states.
[2020-09-25 13:03:30,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 13:03:30,425 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:03:30,426 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 13:03:30,427 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:03:30,435 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:03:30,435 INFO  L82        PathProgramCache]: Analyzing trace with hash -1626039938, now seen corresponding path program 1 times
[2020-09-25 13:03:30,447 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:03:30,447 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066103433]
[2020-09-25 13:03:30,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:03:30,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:30,968 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:31,188 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:32,677 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:33,718 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:35,918 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:35,918 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 13:03:35,919 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 13:03:35,919 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5065
[2020-09-25 13:03:35,923 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:35,924 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:35,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 13:03:35,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 13:03:35,925 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 58
[2020-09-25 13:03:35,925 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 13:03:36,384 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:03:36,387 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:03:36,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:36,473 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:36,727 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:36,727 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:03:36,727 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:36,728 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 296
[2020-09-25 13:03:36,728 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:36,728 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:36,728 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:36,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:36,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 13:03:36,729 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:36,830 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:03:36,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:36,835 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:36,845 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:36,845 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:36,846 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:36,846 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 13:03:36,846 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:36,847 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:36,847 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:36,847 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:36,847 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:36,847 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:36,850 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:03:36,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:36,856 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:36,860 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:36,860 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:36,860 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:36,861 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:03:36,861 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:36,861 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:36,861 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:36,861 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:36,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:36,862 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:36,865 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:03:36,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:36,869 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:36,882 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:36,882 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:36,883 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:36,883 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 13:03:36,884 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:36,884 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:36,884 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:36,884 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:36,885 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:03:36,885 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:36,888 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:03:36,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:36,891 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:36,897 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:36,898 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:36,898 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:36,898 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 13:03:36,898 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:36,899 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:36,899 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:36,899 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:36,899 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:36,900 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:36,902 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 13:03:36,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:36,907 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:36,939 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:36,939 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:36,939 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:36,940 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-25 13:03:36,940 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:36,940 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:36,940 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:03:36,941 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:03:36,943 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:03:36,943 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 13:03:36,945 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 13:03:36,946 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:36,948 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:36,950 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:36,950 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:36,950 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:36,950 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:03:36,951 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:36,951 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:36,951 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:03:36,951 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:03:36,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:03:36,952 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:36,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 13:03:36,981 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066103433]
[2020-09-25 13:03:36,983 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:03:36,984 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 13:03:36,985 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45173219]
[2020-09-25 13:03:36,992 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 13:03:36,992 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:03:37,010 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 13:03:37,011 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 13:03:37,014 INFO  L87              Difference]: Start difference. First operand 268 states. Second operand 5 states.
[2020-09-25 13:03:37,706 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:03:38,716 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:03:38,717 INFO  L93              Difference]: Finished difference Result 400 states and 481 transitions.
[2020-09-25 13:03:38,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 13:03:38,719 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 142
[2020-09-25 13:03:38,721 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:03:38,741 INFO  L225             Difference]: With dead ends: 400
[2020-09-25 13:03:38,742 INFO  L226             Difference]: Without dead ends: 257
[2020-09-25 13:03:38,748 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2020-09-25 13:03:38,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 257 states.
[2020-09-25 13:03:38,849 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 217.
[2020-09-25 13:03:38,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 217 states.
[2020-09-25 13:03:38,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 233 transitions.
[2020-09-25 13:03:38,859 INFO  L78                 Accepts]: Start accepts. Automaton has 217 states and 233 transitions. Word has length 142
[2020-09-25 13:03:38,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:03:38,860 INFO  L479      AbstractCegarLoop]: Abstraction has 217 states and 233 transitions.
[2020-09-25 13:03:38,860 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 13:03:38,862 INFO  L276                IsEmpty]: Start isEmpty. Operand 217 states and 233 transitions.
[2020-09-25 13:03:38,872 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2020-09-25 13:03:38,873 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:03:38,873 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]
[2020-09-25 13:03:38,874 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 13:03:38,874 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:03:38,874 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:03:38,875 INFO  L82        PathProgramCache]: Analyzing trace with hash -1540164861, now seen corresponding path program 1 times
[2020-09-25 13:03:38,875 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:03:38,875 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360393936]
[2020-09-25 13:03:38,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:03:38,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:39,002 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:39,248 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:40,112 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:40,278 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:43,958 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:43,967 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 13:03:43,967 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 13:03:43,968 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5012
[2020-09-25 13:03:43,968 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:43,968 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:43,968 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 13:03:43,969 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 13:03:43,969 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 90
[2020-09-25 13:03:43,969 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,326 WARN  L193               SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:03:44,327 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:03:44,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,405 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,609 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,609 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:03:44,609 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,610 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 241
[2020-09-25 13:03:44,610 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,611 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:44,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 13:03:44,611 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,659 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:03:44,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,661 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,664 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,664 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:44,665 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,665 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:03:44,665 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,666 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,666 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:44,666 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,667 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:44,667 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,670 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:03:44,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,674 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,678 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,678 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:44,678 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,679 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 13:03:44,679 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,679 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,680 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:44,680 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,680 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:44,682 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:03:44,683 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:03:44,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,686 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,696 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,697 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:44,697 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,698 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 13:03:44,698 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,699 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,699 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:44,699 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:03:44,700 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,702 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:03:44,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,704 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,707 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,707 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:44,708 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,708 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:03:44,708 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,708 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,709 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:44,709 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,709 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:44,709 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,726 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 13:03:44,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,730 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,734 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,734 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 13:03:44,734 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,734 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:03:44,735 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,735 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,735 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:44,735 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,735 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 13:03:44,736 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,738 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:03:44,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,740 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,742 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,742 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:44,743 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,743 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:03:44,744 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,744 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,744 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:03:44,745 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,745 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:03:44,745 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,747 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 13:03:44,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,752 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,761 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,761 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:44,762 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,762 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 13:03:44,762 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,762 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,763 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:03:44,763 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:44,766 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:03:44,766 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 13:03:44,802 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 13:03:44,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:44,804 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:44,806 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:44,806 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:44,806 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:44,807 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:03:44,807 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:44,807 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:44,807 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:03:44,807 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:03:44,808 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:03:44,808 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:44,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 13:03:44,848 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360393936]
[2020-09-25 13:03:44,849 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:03:44,849 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 13:03:44,849 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378648480]
[2020-09-25 13:03:44,852 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 13:03:44,853 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:03:44,853 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 13:03:44,853 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 13:03:44,853 INFO  L87              Difference]: Start difference. First operand 217 states and 233 transitions. Second operand 9 states.
[2020-09-25 13:03:45,374 WARN  L193               SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:03:46,439 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:46,806 WARN  L193               SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 13:03:47,544 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:03:47,885 WARN  L193               SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:48,457 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:48,786 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 13:03:49,093 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:49,681 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:03:50,406 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:03:50,406 INFO  L93              Difference]: Finished difference Result 539 states and 668 transitions.
[2020-09-25 13:03:50,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 13:03:50,408 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 151
[2020-09-25 13:03:50,410 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:03:50,415 INFO  L225             Difference]: With dead ends: 539
[2020-09-25 13:03:50,415 INFO  L226             Difference]: Without dead ends: 408
[2020-09-25 13:03:50,418 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 13:03:50,420 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 408 states.
[2020-09-25 13:03:50,482 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 299.
[2020-09-25 13:03:50,482 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 299 states.
[2020-09-25 13:03:50,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions.
[2020-09-25 13:03:50,484 INFO  L78                 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 151
[2020-09-25 13:03:50,485 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:03:50,485 INFO  L479      AbstractCegarLoop]: Abstraction has 299 states and 327 transitions.
[2020-09-25 13:03:50,485 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 13:03:50,485 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions.
[2020-09-25 13:03:50,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2020-09-25 13:03:50,489 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:03:50,490 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]
[2020-09-25 13:03:50,490 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 13:03:50,490 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:03:50,490 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:03:50,490 INFO  L82        PathProgramCache]: Analyzing trace with hash -508009834, now seen corresponding path program 1 times
[2020-09-25 13:03:50,491 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:03:50,491 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478134132]
[2020-09-25 13:03:50,491 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:03:50,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:50,586 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:50,731 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:51,468 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,153 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,153 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 206
[2020-09-25 13:03:54,153 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 13:03:54,154 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3614
[2020-09-25 13:03:54,154 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,154 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,154 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 13:03:54,154 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 13:03:54,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 121
[2020-09-25 13:03:54,155 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:54,559 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:03:54,561 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:03:54,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,630 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,815 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,815 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:03:54,815 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,816 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 218
[2020-09-25 13:03:54,816 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,816 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,816 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:54,817 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:54,817 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 13:03:54,817 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:54,856 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:03:54,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,859 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,861 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,861 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:54,861 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,861 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:03:54,862 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,862 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:54,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:54,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:54,863 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:54,864 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:03:54,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,866 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,868 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,868 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:54,869 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,869 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:03:54,869 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,869 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,869 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:54,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:54,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:54,870 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:54,871 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:03:54,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,874 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,880 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,880 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:54,881 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,881 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 13:03:54,882 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,882 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,883 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:54,883 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:54,883 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:03:54,883 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:03:54,885 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:03:54,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,887 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,889 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,890 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:54,890 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,890 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:03:54,890 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,890 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:54,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:54,891 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:54,891 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 13:03:54,910 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 13:03:54,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,913 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,920 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,920 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 13:03:54,921 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,923 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 13:03:54,923 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,924 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:54,924 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:54,925 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 13:03:54,925 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:54,942 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 13:03:54,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,945 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,949 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,949 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 13:03:54,949 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,950 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:03:54,950 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,950 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,951 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:54,951 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:54,952 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 13:03:54,952 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:54,971 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 13:03:54,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,975 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,980 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,983 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,984 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 13:03:54,984 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 13:03:54,984 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 13:03:54,985 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,985 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:54,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 13:03:54,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:03:54,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 13:03:54,987 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:54,991 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:03:54,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:54,993 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:54,998 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:54,998 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:03:54,998 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:54,999 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:03:54,999 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:54,999 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:55,000 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:55,000 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:55,001 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:03:55,001 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:55,002 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 13:03:55,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:55,005 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:55,008 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:55,009 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:55,009 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:55,009 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:03:55,010 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:55,010 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:55,010 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:03:55,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:55,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:03:55,011 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:55,013 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2020-09-25 13:03:55,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:03:55,016 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:03:55,023 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:03:55,023 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:03:55,023 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:03:55,023 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 13:03:55,023 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:03:55,024 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:03:55,024 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:03:55,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:03:55,025 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:03:55,025 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:03:55,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 13:03:55,154 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478134132]
[2020-09-25 13:03:55,154 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:03:55,155 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 13:03:55,155 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316332698]
[2020-09-25 13:03:55,157 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 13:03:55,157 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:03:55,157 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 13:03:55,159 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-09-25 13:03:55,159 INFO  L87              Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 11 states.
[2020-09-25 13:03:55,794 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:03:57,074 WARN  L193               SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:03:57,462 WARN  L193               SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 13:03:57,808 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:03:58,149 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 13:03:58,469 WARN  L193               SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 13:03:58,896 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:03:58,897 INFO  L93              Difference]: Finished difference Result 556 states and 663 transitions.
[2020-09-25 13:03:58,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2020-09-25 13:03:58,897 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 169
[2020-09-25 13:03:58,898 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:03:58,899 INFO  L225             Difference]: With dead ends: 556
[2020-09-25 13:03:58,899 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 13:03:58,903 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552
[2020-09-25 13:03:58,903 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 13:03:58,904 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 13:03:58,904 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 13:03:58,904 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 13:03:58,904 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169
[2020-09-25 13:03:58,904 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:03:58,905 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 13:03:58,905 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 13:03:58,905 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 13:03:58,905 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 13:03:58,905 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 13:03:58,908 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 13:03:59,131 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:03:59,309 WARN  L193               SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:59,481 WARN  L193               SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:59,659 WARN  L193               SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:59,825 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:03:59,987 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:00,288 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9
[2020-09-25 13:04:00,453 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:00,611 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:00,761 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:00,922 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:01,088 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:01,248 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:01,408 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:01,548 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:04:01,706 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:01,865 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:02,024 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:02,201 WARN  L193               SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:02,360 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:02,521 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:02,670 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:02,819 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:02,967 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:03,116 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:03,270 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:03,425 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:03,578 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:03,732 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:03,889 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:04,038 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:04,196 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:04,354 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:04,512 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:04,660 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:04,818 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:04,965 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:05,123 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:05,281 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:05,442 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:05,601 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:05,758 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:05,906 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:06,064 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:06,211 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:06,377 WARN  L193               SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:06,536 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:06,793 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9
[2020-09-25 13:04:07,336 WARN  L193               SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:07,687 WARN  L193               SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:08,072 WARN  L193               SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191
[2020-09-25 13:04:08,332 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191
[2020-09-25 13:04:08,594 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191
[2020-09-25 13:04:08,855 WARN  L193               SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191
[2020-09-25 13:04:09,115 WARN  L193               SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191
[2020-09-25 13:04:09,465 WARN  L193               SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:09,818 WARN  L193               SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:10,171 WARN  L193               SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:10,520 WARN  L193               SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:11,058 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:11,215 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:11,374 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:11,539 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:11,687 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:11,842 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:12,002 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:12,244 WARN  L193               SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 14
[2020-09-25 13:04:12,402 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:12,939 WARN  L193               SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:13,290 WARN  L193               SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189
[2020-09-25 13:04:13,397 WARN  L193               SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 8
[2020-09-25 13:04:13,646 WARN  L193               SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9
[2020-09-25 13:04:13,795 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:13,963 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:14,115 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:14,267 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:14,420 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:14,575 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:14,728 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:14,875 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:15,023 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:15,175 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:15,325 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:15,481 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:15,730 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9
[2020-09-25 13:04:16,069 WARN  L193               SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191
[2020-09-25 13:04:16,409 WARN  L193               SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191
[2020-09-25 13:04:16,750 WARN  L193               SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191
[2020-09-25 13:04:17,089 WARN  L193               SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191
[2020-09-25 13:04:17,430 WARN  L193               SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191
[2020-09-25 13:04:17,680 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 13:04:17,932 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 13:04:18,183 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 13:04:18,433 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188
[2020-09-25 13:04:19,054 WARN  L193               SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9
[2020-09-25 13:04:19,211 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:19,364 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:19,516 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:19,667 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:19,814 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:19,967 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 13:04:20,124 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:20,272 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:04:20,429 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:04:20,846 WARN  L193               SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11
[2020-09-25 13:04:21,077 WARN  L193               SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25
[2020-09-25 13:04:21,321 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1
[2020-09-25 13:04:21,741 WARN  L193               SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11
[2020-09-25 13:04:22,008 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:04:22,251 WARN  L193               SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25
[2020-09-25 13:04:22,760 WARN  L193               SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22
[2020-09-25 13:04:23,022 WARN  L193               SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25