/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=0.3 --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_spec2_product33.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 12:01:11,947 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 12:01:11,951 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 12:01:12,001 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 12:01:12,001 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 12:01:12,012 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 12:01:12,015 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 12:01:12,018 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 12:01:12,021 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 12:01:12,023 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 12:01:12,024 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 12:01:12,027 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 12:01:12,027 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 12:01:12,032 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 12:01:12,034 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 12:01:12,036 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 12:01:12,038 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 12:01:12,040 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 12:01:12,041 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 12:01:12,051 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 12:01:12,054 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 12:01:12,056 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 12:01:12,057 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 12:01:12,058 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 12:01:12,062 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 12:01:12,062 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 12:01:12,062 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 12:01:12,066 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 12:01:12,067 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 12:01:12,069 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 12:01:12,070 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 12:01:12,071 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 12:01:12,072 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 12:01:12,073 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 12:01:12,074 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 12:01:12,075 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 12:01:12,076 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 12:01:12,076 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 12:01:12,076 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 12:01:12,077 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 12:01:12,080 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 12:01:12,081 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 12:01:12,129 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 12:01:12,129 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 12:01:12,131 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 12:01:12,131 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 12:01:12,131 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 12:01:12,131 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 12:01:12,132 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 12:01:12,132 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 12:01:12,132 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 12:01:12,132 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 12:01:12,132 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 12:01:12,133 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 12:01:12,133 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 12:01:12,133 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 12:01:12,133 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 12:01:12,133 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 12:01:12,134 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 12:01:12,134 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 12:01:12,134 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 12:01:12,134 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 12:01:12,135 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 12:01:12,135 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:01:12,135 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 12:01:12,135 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 12:01:12,136 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 12:01:12,136 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 12:01:12,136 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 12:01:12,136 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 12:01:12,136 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 12:01:12,137 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true;
[2020-09-25 12:01:12,639 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 12:01:12,667 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 12:01:12,672 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 12:01:12,674 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 12:01:12,674 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 12:01:12,675 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c
[2020-09-25 12:01:12,768 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd422005/4d6b99d0c99e44c5accae2867ad4ef03/FLAG96e53da31
[2020-09-25 12:01:13,395 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 12:01:13,396 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c
[2020-09-25 12:01:13,420 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd422005/4d6b99d0c99e44c5accae2867ad4ef03/FLAG96e53da31
[2020-09-25 12:01:13,654 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd422005/4d6b99d0c99e44c5accae2867ad4ef03
[2020-09-25 12:01:13,668 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 12:01:13,672 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 12:01:13,674 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 12:01:13,674 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 12:01:13,678 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 12:01:13,680 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:13" (1/1) ...
[2020-09-25 12:01:13,684 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:13, skipping insertion in model container
[2020-09-25 12:01:13,684 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:13" (1/1) ...
[2020-09-25 12:01:13,694 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 12:01:13,746 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 12:01:14,150 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:01:14,259 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 12:01:14,348 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:01:14,390 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 12:01:14,391 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14 WrapperNode
[2020-09-25 12:01:14,392 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 12:01:14,393 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 12:01:14,393 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 12:01:14,393 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 12:01:14,407 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ...
[2020-09-25 12:01:14,408 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ...
[2020-09-25 12:01:14,437 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ...
[2020-09-25 12:01:14,437 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ...
[2020-09-25 12:01:14,491 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ...
[2020-09-25 12:01:14,503 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ...
[2020-09-25 12:01:14,508 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (1/1) ...
[2020-09-25 12:01:14,516 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 12:01:14,517 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 12:01:14,517 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 12:01:14,517 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 12:01:14,518 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (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 12:01:14,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 12:01:14,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 12:01:14,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:01:14,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 12:01:14,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 12:01:14,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 12:01:14,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 12:01:14,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 12:01:14,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 12:01:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 12:01:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 12:01:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 12:01:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 12:01:14,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 12:01:14,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 12:01:14,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 12:01:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 12:01:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 12:01:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 12:01:14,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 12:01:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 12:01:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 12:01:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 12:01:14,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 12:01:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 12:01:14,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 12:01:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 12:01:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 12:01:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 12:01:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 12:01:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 12:01:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 12:01:14,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:01:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 12:01:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 12:01:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 12:01:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2020-09-25 12:01:14,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2020-09-25 12:01:14,648 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 12:01:14,649 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 12:01:14,649 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 12:01:14,649 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 12:01:14,649 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 12:01:14,649 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 12:01:14,649 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 12:01:14,650 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 12:01:14,650 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 12:01:14,650 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 12:01:14,650 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 12:01:14,650 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 12:01:14,650 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 12:01:14,651 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 12:01:14,651 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 12:01:14,651 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 12:01:14,651 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 12:01:14,651 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 12:01:14,651 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 12:01:14,652 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 12:01:14,652 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2020-09-25 12:01:14,652 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 12:01:14,652 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 12:01:14,652 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 12:01:14,652 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 12:01:14,652 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 12:01:14,653 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 12:01:14,653 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 12:01:14,653 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2020-09-25 12:01:14,653 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 12:01:14,653 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 12:01:14,653 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 12:01:14,654 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 12:01:14,654 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 12:01:14,654 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 12:01:14,654 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 12:01:14,654 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 12:01:14,654 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 12:01:14,655 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 12:01:14,655 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 12:01:14,655 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 12:01:14,655 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 12:01:14,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 12:01:14,655 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:01:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:01:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 12:01:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 12:01:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 12:01:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 12:01:14,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 12:01:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 12:01:14,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 12:01:15,816 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 12:01:15,816 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 12:01:15,824 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:15 BoogieIcfgContainer
[2020-09-25 12:01:15,824 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 12:01:15,830 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 12:01:15,831 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 12:01:15,835 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 12:01:15,836 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:01:13" (1/3) ...
[2020-09-25 12:01:15,837 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65731ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:15, skipping insertion in model container
[2020-09-25 12:01:15,837 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:14" (2/3) ...
[2020-09-25 12:01:15,837 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65731ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:15, skipping insertion in model container
[2020-09-25 12:01:15,837 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:15" (3/3) ...
[2020-09-25 12:01:15,841 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33.cil.c
[2020-09-25 12:01:15,854 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 12:01:15,867 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 12:01:15,891 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 12:01:15,927 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 12:01:15,928 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 12:01:15,928 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 12:01:15,928 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 12:01:15,928 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 12:01:15,928 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 12:01:15,928 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 12:01:15,928 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 12:01:15,953 INFO  L276                IsEmpty]: Start isEmpty. Operand 293 states.
[2020-09-25 12:01:15,971 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2020-09-25 12:01:15,972 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:01:15,973 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:01:15,973 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:01:15,981 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:01:15,982 INFO  L82        PathProgramCache]: Analyzing trace with hash -636857616, now seen corresponding path program 1 times
[2020-09-25 12:01:15,993 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:01:15,994 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672442668]
[2020-09-25 12:01:15,994 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:01:16,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:16,557 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:16,755 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:17,288 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:18,292 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:19,248 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:21,384 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:21,385 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 181
[2020-09-25 12:01:21,385 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 12:01:21,385 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5072
[2020-09-25 12:01:21,390 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:21,391 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:21,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:21,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 12:01:21,392 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 66
[2020-09-25 12:01:21,392 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 12:01:21,958 WARN  L193               SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 12:01:21,961 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:01:22,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,061 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,320 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,320 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 12:01:22,321 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,321 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 311
[2020-09-25 12:01:22,321 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,321 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,322 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:22,322 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:22,322 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 12:01:22,322 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,401 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 12:01:22,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,404 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,409 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,409 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:22,409 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,409 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 12:01:22,410 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,410 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,410 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:22,410 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:22,411 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:22,411 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,413 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 12:01:22,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,416 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,419 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,420 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:22,420 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,420 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:22,421 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,421 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,421 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:22,421 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:22,421 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:22,422 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,424 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 12:01:22,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,427 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,436 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,437 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:22,437 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,437 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 12:01:22,438 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,438 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,438 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:22,438 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:22,439 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:01:22,439 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,441 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 12:01:22,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,445 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,448 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,448 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:22,448 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,449 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:22,449 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,449 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,449 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:22,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:22,450 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:22,450 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,464 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 12:01:22,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,469 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,473 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,473 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:01:22,473 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,473 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 12:01:22,474 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,474 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:22,474 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:22,475 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 12:01:22,475 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,482 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-09-25 12:01:22,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,485 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,498 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,498 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:22,499 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,499 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 12:01:22,499 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,500 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,500 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:22,500 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:01:22,501 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:22,501 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,504 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 12:01:22,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:22,542 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:22,544 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:22,545 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:22,545 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:22,545 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:01:22,545 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:22,546 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:22,546 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:22,546 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:01:22,546 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:22,547 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:22,584 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 12:01:22,585 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672442668]
[2020-09-25 12:01:22,588 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:01:22,588 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 12:01:22,589 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174424218]
[2020-09-25 12:01:22,600 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 12:01:22,601 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:01:22,620 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 12:01:22,621 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 12:01:22,624 INFO  L87              Difference]: Start difference. First operand 293 states. Second operand 5 states.
[2020-09-25 12:01:23,203 WARN  L193               SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 12:01:24,174 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:01:24,175 INFO  L93              Difference]: Finished difference Result 432 states and 512 transitions.
[2020-09-25 12:01:24,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 12:01:24,177 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 148
[2020-09-25 12:01:24,179 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:01:24,204 INFO  L225             Difference]: With dead ends: 432
[2020-09-25 12:01:24,205 INFO  L226             Difference]: Without dead ends: 281
[2020-09-25 12:01:24,214 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 12:01:24,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 281 states.
[2020-09-25 12:01:24,344 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 236.
[2020-09-25 12:01:24,345 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 236 states.
[2020-09-25 12:01:24,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 254 transitions.
[2020-09-25 12:01:24,349 INFO  L78                 Accepts]: Start accepts. Automaton has 236 states and 254 transitions. Word has length 148
[2020-09-25 12:01:24,350 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:01:24,351 INFO  L479      AbstractCegarLoop]: Abstraction has 236 states and 254 transitions.
[2020-09-25 12:01:24,351 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 12:01:24,351 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states and 254 transitions.
[2020-09-25 12:01:24,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2020-09-25 12:01:24,356 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:01:24,356 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]
[2020-09-25 12:01:24,357 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 12:01:24,357 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:01:24,357 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:01:24,357 INFO  L82        PathProgramCache]: Analyzing trace with hash -1440775673, now seen corresponding path program 1 times
[2020-09-25 12:01:24,358 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:01:24,358 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669876525]
[2020-09-25 12:01:24,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:01:24,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:24,481 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:24,605 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:24,781 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:28,079 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:28,803 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:29,457 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:29,458 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 12:01:29,458 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 12:01:29,458 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5034
[2020-09-25 12:01:29,459 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:29,460 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:29,460 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 12:01:29,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 12:01:29,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 99
[2020-09-25 12:01:29,461 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:01:29,895 WARN  L193               SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 12:01:29,897 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:01:29,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:29,980 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,231 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,232 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 12:01:30,232 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,232 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 292
[2020-09-25 12:01:30,233 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,233 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:30,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,234 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 12:01:30,235 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:30,295 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 12:01:30,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,299 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,302 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,303 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:30,303 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,303 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:30,304 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,304 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,304 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:30,305 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,305 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:30,305 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:30,308 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 12:01:30,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,311 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,315 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,315 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:30,316 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,316 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 12:01:30,316 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,317 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,317 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:30,318 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,318 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:30,318 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:01:30,320 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 12:01:30,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,324 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,333 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,333 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:30,334 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,334 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 12:01:30,335 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,335 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,335 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:30,336 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,336 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:01:30,337 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:30,339 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 12:01:30,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,341 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,345 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,345 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:30,345 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,346 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:30,346 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,346 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:30,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:30,348 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:30,367 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 12:01:30,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,370 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,373 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,373 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:01:30,373 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,374 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:30,374 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,374 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,374 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:30,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 12:01:30,375 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:30,391 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2020-09-25 12:01:30,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,396 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,407 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,411 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 12:01:30,411 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,412 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 12:01:30,412 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,412 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:30,413 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 12:01:30,414 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:30,416 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 12:01:30,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,418 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,420 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,420 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:30,421 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,421 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:01:30,421 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,430 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:30,433 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,434 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:30,434 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 12
[2020-09-25 12:01:30,435 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 12:01:30,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,438 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,444 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,444 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:30,445 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,445 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:01:30,445 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,445 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 12:01:30,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:30,446 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:01:30,446 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:01:30,478 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 12:01:30,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:30,481 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:30,483 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:30,483 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:30,483 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:30,483 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:01:30,484 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:30,484 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:30,485 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:30,485 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:01:30,485 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:30,485 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:30,521 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 12:01:30,522 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669876525]
[2020-09-25 12:01:30,522 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:01:30,522 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 12:01:30,523 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137500777]
[2020-09-25 12:01:30,526 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 12:01:30,526 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:01:30,527 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 12:01:30,527 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 12:01:30,527 INFO  L87              Difference]: Start difference. First operand 236 states and 254 transitions. Second operand 10 states.
[2020-09-25 12:01:31,141 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 12:01:32,481 WARN  L193               SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 12:01:32,833 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 12:01:33,232 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 12:01:33,624 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 12:01:33,983 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 12:01:34,531 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 12:01:34,914 WARN  L193               SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 12:01:35,361 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 12:01:36,376 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:01:36,376 INFO  L93              Difference]: Finished difference Result 587 states and 714 transitions.
[2020-09-25 12:01:36,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2020-09-25 12:01:36,377 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 157
[2020-09-25 12:01:36,379 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:01:36,384 INFO  L225             Difference]: With dead ends: 587
[2020-09-25 12:01:36,384 INFO  L226             Difference]: Without dead ends: 448
[2020-09-25 12:01:36,388 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600
[2020-09-25 12:01:36,389 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 448 states.
[2020-09-25 12:01:36,455 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 329.
[2020-09-25 12:01:36,455 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 329 states.
[2020-09-25 12:01:36,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 360 transitions.
[2020-09-25 12:01:36,458 INFO  L78                 Accepts]: Start accepts. Automaton has 329 states and 360 transitions. Word has length 157
[2020-09-25 12:01:36,458 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:01:36,459 INFO  L479      AbstractCegarLoop]: Abstraction has 329 states and 360 transitions.
[2020-09-25 12:01:36,459 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 12:01:36,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 329 states and 360 transitions.
[2020-09-25 12:01:36,467 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2020-09-25 12:01:36,468 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:01:36,468 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:01:36,468 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 12:01:36,469 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:01:36,469 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:01:36,469 INFO  L82        PathProgramCache]: Analyzing trace with hash 1583780095, now seen corresponding path program 1 times
[2020-09-25 12:01:36,470 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:01:36,470 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450251728]
[2020-09-25 12:01:36,470 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:01:36,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:36,570 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:36,790 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:37,923 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:38,096 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:39,628 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:41,549 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:41,550 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 208
[2020-09-25 12:01:41,550 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 12:01:41,550 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5029
[2020-09-25 12:01:41,550 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:41,551 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:41,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 12:01:41,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 12:01:41,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 87
[2020-09-25 12:01:41,551 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:41,824 WARN  L193               SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 12:01:41,825 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:01:41,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:41,903 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,071 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,072 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 12:01:42,072 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,072 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 219
[2020-09-25 12:01:42,072 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,073 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,073 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,073 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,073 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 12:01:42,073 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:01:42,109 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 12:01:42,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,111 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,114 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,114 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:42,114 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,114 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:01:42,115 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,115 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,115 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:42,116 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,117 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 12:01:42,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,118 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,120 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,121 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:42,121 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,121 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:01:42,121 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,121 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,122 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,122 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,122 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:42,122 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,123 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 12:01:42,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,126 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,132 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,132 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:42,133 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,133 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:01:42,133 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,134 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,134 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,135 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:01:42,135 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,137 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 12:01:42,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,139 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,142 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,142 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:42,142 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,143 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:01:42,143 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,143 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:42,144 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,159 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 12:01:42,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,161 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,164 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,165 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:01:42,165 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,165 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:42,166 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,166 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,166 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,167 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 12:01:42,167 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,179 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-09-25 12:01:42,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,182 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,188 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,189 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 12:01:42,189 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,189 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:01:42,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,189 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 12:01:42,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,205 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 12:01:42,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,209 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,216 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,216 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 12:01:42,216 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,217 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 12:01:42,217 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,217 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,218 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 12:01:42,218 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 12:01:42,218 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 12:01:42,219 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,287 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 12:01:42,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,290 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,292 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,293 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:42,293 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,293 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:42,293 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,294 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:42,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:42,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:01:42,294 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,296 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 12:01:42,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,298 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,300 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,301 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:42,301 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,301 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:01:42,301 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,302 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,302 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:42,302 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:01:42,303 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:42,303 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:42,304 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-25 12:01:42,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:42,306 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:42,307 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:42,307 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:42,308 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:42,308 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:01:42,308 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:42,308 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:42,308 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:42,309 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:01:42,309 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:42,309 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:01:42,413 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 12:01:42,414 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450251728]
[2020-09-25 12:01:42,414 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:01:42,415 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 12:01:42,415 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26356429]
[2020-09-25 12:01:42,416 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 12:01:42,416 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:01:42,416 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 12:01:42,417 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-09-25 12:01:42,417 INFO  L87              Difference]: Start difference. First operand 329 states and 360 transitions. Second operand 9 states.
[2020-09-25 12:01:42,959 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 12:01:44,576 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 12:01:45,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:01:45,752 INFO  L93              Difference]: Finished difference Result 917 states and 1109 transitions.
[2020-09-25 12:01:45,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 12:01:45,752 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 171
[2020-09-25 12:01:45,753 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:01:45,760 INFO  L225             Difference]: With dead ends: 917
[2020-09-25 12:01:45,760 INFO  L226             Difference]: Without dead ends: 703
[2020-09-25 12:01:45,762 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506
[2020-09-25 12:01:45,763 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 703 states.
[2020-09-25 12:01:45,837 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 524.
[2020-09-25 12:01:45,838 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 524 states.
[2020-09-25 12:01:45,840 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 583 transitions.
[2020-09-25 12:01:45,841 INFO  L78                 Accepts]: Start accepts. Automaton has 524 states and 583 transitions. Word has length 171
[2020-09-25 12:01:45,842 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:01:45,842 INFO  L479      AbstractCegarLoop]: Abstraction has 524 states and 583 transitions.
[2020-09-25 12:01:45,842 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 12:01:45,842 INFO  L276                IsEmpty]: Start isEmpty. Operand 524 states and 583 transitions.
[2020-09-25 12:01:45,845 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-25 12:01:45,845 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:01:45,846 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:01:45,846 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 12:01:45,846 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:01:45,846 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:01:45,846 INFO  L82        PathProgramCache]: Analyzing trace with hash 320544540, now seen corresponding path program 1 times
[2020-09-25 12:01:45,847 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:01:45,847 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327141615]
[2020-09-25 12:01:45,847 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:01:45,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:45,948 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:46,101 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:46,577 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:48,168 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:50,898 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:50,898 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 236
[2020-09-25 12:01:50,898 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 12:01:50,898 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5000
[2020-09-25 12:01:50,898 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:50,899 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:50,899 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 12:01:50,899 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 124
[2020-09-25 12:01:50,899 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 108
[2020-09-25 12:01:50,899 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:01:51,287 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 12:01:51,288 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:01:51,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,304 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,414 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,415 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 12:01:51,415 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,415 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 118
[2020-09-25 12:01:51,416 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,417 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,417 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,417 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,418 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,418 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 12:01:51,458 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 12:01:51,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,460 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,461 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,462 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:51,462 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,462 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:01:51,463 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,463 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,463 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,464 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,464 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,464 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,465 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 12:01:51,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,467 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,468 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,469 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:51,469 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,469 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 12:01:51,470 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,470 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,470 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,471 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,471 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,471 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,472 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 12:01:51,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,474 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,477 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,478 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:51,478 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,478 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:51,479 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,479 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,479 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,480 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,480 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,482 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 12:01:51,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,484 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,485 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,485 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:51,486 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,486 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 12:01:51,486 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,487 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,487 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,487 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,487 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,487 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,496 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 12:01:51,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,499 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,503 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,503 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:01:51,503 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,504 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:51,504 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,504 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,505 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:51,505 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,505 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 12:01:51,506 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,524 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-09-25 12:01:51,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,527 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,534 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,534 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 12:01:51,534 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,535 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:01:51,535 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,535 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:51,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 12:01:51,536 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,551 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 12:01:51,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,563 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,586 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,587 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 12:01:51,587 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,587 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-25 12:01:51,587 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,588 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,588 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:51,588 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,588 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 39
[2020-09-25 12:01:51,589 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,599 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 12:01:51,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,602 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,609 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,609 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 12:01:51,609 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,610 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 12:01:51,610 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,610 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,612 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,614 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 12:01:51,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,617 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,621 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,621 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 12:01:51,622 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,622 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:01:51,622 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,623 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,623 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,623 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,624 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,624 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,627 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 12:01:51,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,628 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,630 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,630 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:01:51,630 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,631 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:01:51,631 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,631 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:01:51,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,632 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:01:51,633 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,635 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2020-09-25 12:01:51,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,638 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,643 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,644 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:51,644 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,644 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:01:51,645 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,645 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,645 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:51,646 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,646 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:01:51,646 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,649 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-09-25 12:01:51,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:51,653 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:51,657 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:51,657 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:01:51,657 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:01:51,658 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 12:01:51,658 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:51,658 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:51,659 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:01:51,659 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:01:51,659 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:01:51,659 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:51,711 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 12:01:51,712 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327141615]
[2020-09-25 12:01:51,712 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:01:51,712 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 12:01:51,713 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445595529]
[2020-09-25 12:01:51,714 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 12:01:51,715 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:01:51,715 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 12:01:51,715 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-25 12:01:51,715 INFO  L87              Difference]: Start difference. First operand 524 states and 583 transitions. Second operand 7 states.
[2020-09-25 12:01:52,226 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:01:54,410 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:01:54,410 INFO  L93              Difference]: Finished difference Result 1270 states and 1602 transitions.
[2020-09-25 12:01:54,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 12:01:54,411 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 195
[2020-09-25 12:01:54,411 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:01:54,421 INFO  L225             Difference]: With dead ends: 1270
[2020-09-25 12:01:54,422 INFO  L226             Difference]: Without dead ends: 1267
[2020-09-25 12:01:54,423 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342
[2020-09-25 12:01:54,424 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1267 states.
[2020-09-25 12:01:54,537 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 775.
[2020-09-25 12:01:54,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 775 states.
[2020-09-25 12:01:54,542 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 904 transitions.
[2020-09-25 12:01:54,543 INFO  L78                 Accepts]: Start accepts. Automaton has 775 states and 904 transitions. Word has length 195
[2020-09-25 12:01:54,543 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:01:54,543 INFO  L479      AbstractCegarLoop]: Abstraction has 775 states and 904 transitions.
[2020-09-25 12:01:54,543 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 12:01:54,544 INFO  L276                IsEmpty]: Start isEmpty. Operand 775 states and 904 transitions.
[2020-09-25 12:01:54,549 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 246
[2020-09-25 12:01:54,549 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 12:01:54,549 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:01:54,550 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 12:01:54,550 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:01:54,550 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:01:54,550 INFO  L82        PathProgramCache]: Analyzing trace with hash -178901190, now seen corresponding path program 1 times
[2020-09-25 12:01:54,551 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:01:54,551 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831560287]
[2020-09-25 12:01:54,551 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:01:54,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:01:54,656 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:54,758 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:54,903 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:55,097 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:01:59,603 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:01:59,603 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 302
[2020-09-25 12:01:59,603 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 12:01:59,604 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-25 12:01:59,604 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:01:59,604 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:01:59,604 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 12:01:59,604 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 12:01:59,605 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 176
[2020-09-25 12:01:59,605 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:01:59,932 WARN  L193               SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 12:01:59,933 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:01:59,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,006 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,175 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,175 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 12:02:00,176 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,176 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 203
[2020-09-25 12:02:00,176 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,176 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,176 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 12:02:00,177 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,223 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 12:02:00,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,226 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,227 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,228 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:02:00,228 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,228 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:02:00,228 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,229 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:02:00,229 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,230 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 12:02:00,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,232 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,234 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,234 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:02:00,234 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,234 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:02:00,235 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,235 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,235 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,235 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,235 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:02:00,236 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,237 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 12:02:00,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,239 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,245 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,245 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:02:00,246 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,246 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:02:00,246 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,246 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,246 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,247 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,247 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:02:00,247 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,249 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 12:02:00,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,251 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,253 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,253 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:02:00,253 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,253 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:02:00,254 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,254 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:02:00,255 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,262 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 12:02:00,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,264 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,267 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,267 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:02:00,267 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,267 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:02:00,268 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,268 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,268 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,268 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,268 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 12:02:00,269 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,277 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-09-25 12:02:00,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,279 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,285 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,285 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 12:02:00,285 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,285 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:02:00,285 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,286 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 12:02:00,286 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,300 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 12:02:00,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,311 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,359 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,560 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,561 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 84
[2020-09-25 12:02:00,561 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 12:02:00,561 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 255
[2020-09-25 12:02:00,561 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,561 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 12:02:00,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 12:02:00,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 83
[2020-09-25 12:02:00,562 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,585 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 12:02:00,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,593 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,600 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,717 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,717 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 12:02:00,718 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 12:02:00,718 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 128
[2020-09-25 12:02:00,718 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,718 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,718 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,719 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 40
[2020-09-25 12:02:00,719 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,722 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 12:02:00,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,725 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,731 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,731 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 12:02:00,731 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,731 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:02:00,732 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,732 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,732 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,732 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,733 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,733 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,735 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 12:02:00,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,737 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,742 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,742 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 12:02:00,742 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,743 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 12:02:00,743 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,743 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,743 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,743 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,744 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,744 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,746 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 12:02:00,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,747 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,750 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,751 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:02:00,751 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,751 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:02:00,751 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,752 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,752 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,752 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,752 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,752 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,754 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-09-25 12:02:00,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,762 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,781 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,781 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-25 12:02:00,781 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,782 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-25 12:02:00,782 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,782 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,782 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:02:00,782 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,783 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 32
[2020-09-25 12:02:00,783 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,788 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 12:02:00,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,790 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,791 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,792 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:02:00,792 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,792 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:02:00,793 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,793 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,795 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,796 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 12:02:00,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,799 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,801 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,801 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:02:00,801 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,801 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:02:00,802 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,802 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,802 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,802 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,802 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,803 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,821 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2020-09-25 12:02:00,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,824 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,833 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,833 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 12:02:00,834 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,835 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 12:02:00,835 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,835 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,835 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 12:02:00,835 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 12:02:00,836 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 12:02:00,836 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,855 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2020-09-25 12:02:00,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,858 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,859 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,860 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 12:02:00,861 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,861 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:02:00,861 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,861 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 12:02:00,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,862 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,866 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 12:02:00,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,867 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,868 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,869 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:02:00,869 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,869 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 12:02:00,869 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,869 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:02:00,870 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,870 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,871 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2020-09-25 12:02:00,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,873 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,874 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,874 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:02:00,874 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,874 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 12:02:00,875 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,875 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,876 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,876 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:02:00,876 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,876 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:02:00,877 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232
[2020-09-25 12:02:00,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:02:00,879 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:02:00,880 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:02:00,881 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:02:00,881 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:02:00,881 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 12:02:00,881 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:02:00,881 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:02:00,881 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:02:00,882 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:02:00,882 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:02:00,882 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 12:02:00,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-09-25 12:02:00,938 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831560287]
[2020-09-25 12:02:00,938 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 12:02:00,939 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2020-09-25 12:02:00,939 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133346760]
[2020-09-25 12:02:00,939 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 12:02:00,940 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:02:00,940 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 12:02:00,940 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-09-25 12:02:00,940 INFO  L87              Difference]: Start difference. First operand 775 states and 904 transitions. Second operand 10 states.
[2020-09-25 12:02:01,479 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189