/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 04:14:17,332 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 04:14:17,336 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 04:14:17,362 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 04:14:17,362 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 04:14:17,364 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 04:14:17,365 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 04:14:17,367 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 04:14:17,369 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 04:14:17,370 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 04:14:17,371 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 04:14:17,372 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 04:14:17,373 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 04:14:17,374 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 04:14:17,375 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 04:14:17,376 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 04:14:17,377 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 04:14:17,378 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 04:14:17,380 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 04:14:17,382 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 04:14:17,384 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 04:14:17,385 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 04:14:17,386 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 04:14:17,390 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 04:14:17,395 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 04:14:17,396 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 04:14:17,396 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 04:14:17,402 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 04:14:17,402 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 04:14:17,405 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 04:14:17,406 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 04:14:17,407 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 04:14:17,407 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 04:14:17,409 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 04:14:17,412 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 04:14:17,412 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 04:14:17,414 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 04:14:17,414 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 04:14:17,414 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 04:14:17,415 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 04:14:17,424 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 04:14:17,425 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 04:14:17,475 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 04:14:17,475 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 04:14:17,477 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 04:14:17,478 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 04:14:17,478 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 04:14:17,478 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 04:14:17,478 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 04:14:17,479 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 04:14:17,479 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 04:14:17,479 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 04:14:17,480 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 04:14:17,480 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 04:14:17,480 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 04:14:17,481 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 04:14:17,481 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 04:14:17,481 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 04:14:17,481 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 04:14:17,482 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 04:14:17,482 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 04:14:17,482 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 04:14:17,482 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 04:14:17,482 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 04:14:17,483 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 04:14:17,483 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 04:14:17,483 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 04:14:17,483 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 04:14:17,483 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 04:14:17,484 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 04:14:17,484 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 04:14:17,484 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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true;
[2020-09-25 04:14:17,984 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 04:14:18,010 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 04:14:18,015 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 04:14:18,017 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 04:14:18,017 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 04:14:18,019 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c
[2020-09-25 04:14:18,116 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/556897b2f/875c32868aaa4cc7aebd4e3a7d229b99/FLAG5230c4274
[2020-09-25 04:14:18,723 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 04:14:18,726 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c
[2020-09-25 04:14:18,755 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/556897b2f/875c32868aaa4cc7aebd4e3a7d229b99/FLAG5230c4274
[2020-09-25 04:14:19,015 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/556897b2f/875c32868aaa4cc7aebd4e3a7d229b99
[2020-09-25 04:14:19,028 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 04:14:19,035 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 04:14:19,036 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 04:14:19,036 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 04:14:19,041 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 04:14:19,042 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,047 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1592531a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19, skipping insertion in model container
[2020-09-25 04:14:19,047 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,056 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 04:14:19,107 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 04:14:19,643 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:14:19,668 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 04:14:19,779 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:14:19,820 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 04:14:19,820 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19 WrapperNode
[2020-09-25 04:14:19,820 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 04:14:19,821 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 04:14:19,822 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 04:14:19,822 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 04:14:19,839 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,839 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,861 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,861 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,896 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,910 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,916 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (1/1) ...
[2020-09-25 04:14:19,924 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 04:14:19,925 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 04:14:19,925 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 04:14:19,925 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 04:14:19,927 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (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 04:14:20,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 04:14:20,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 04:14:20,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:14:20,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 04:14:20,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 04:14:20,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:14:20,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 04:14:20,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 04:14:20,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 04:14:20,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 04:14:20,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 04:14:20,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 04:14:20,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 04:14:20,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 04:14:20,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 04:14:20,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 04:14:20,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 04:14:20,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 04:14:20,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 04:14:20,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 04:14:20,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 04:14:20,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 04:14:20,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 04:14:20,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 04:14:20,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 04:14:20,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 04:14:20,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 04:14:20,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 04:14:20,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 04:14:20,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 04:14:20,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 04:14:20,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 04:14:20,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 04:14:20,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 04:14:20,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 04:14:20,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 04:14:20,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-25 04:14:20,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-25 04:14:20,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-25 04:14:20,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 04:14:20,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 04:14:20,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 04:14:20,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 04:14:20,038 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 04:14:20,038 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 04:14:20,038 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 04:14:20,038 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 04:14:20,038 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 04:14:20,038 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 04:14:20,039 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 04:14:20,039 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 04:14:20,039 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 04:14:20,040 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 04:14:20,040 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 04:14:20,040 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 04:14:20,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 04:14:20,040 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:14:20,041 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:14:20,041 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 04:14:20,041 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 04:14:20,041 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 04:14:20,041 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 04:14:20,041 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 04:14:20,042 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 04:14:20,042 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 04:14:20,042 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 04:14:20,042 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 04:14:20,042 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 04:14:20,043 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 04:14:20,043 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 04:14:20,043 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 04:14:20,045 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 04:14:20,045 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 04:14:20,045 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 04:14:20,046 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 04:14:20,046 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 04:14:20,046 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 04:14:20,046 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 04:14:20,046 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 04:14:20,046 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-25 04:14:20,047 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-25 04:14:20,047 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 04:14:20,048 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 04:14:20,048 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 04:14:20,048 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 04:14:20,048 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 04:14:20,048 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 04:14:20,048 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 04:14:20,049 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 04:14:20,049 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 04:14:20,049 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-25 04:14:20,049 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 04:14:20,049 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 04:14:20,049 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 04:14:20,049 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 04:14:20,050 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 04:14:20,050 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 04:14:20,050 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 04:14:20,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 04:14:20,050 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 04:14:21,367 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 04:14:21,367 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 04:14:21,380 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:21 BoogieIcfgContainer
[2020-09-25 04:14:21,382 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 04:14:21,383 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 04:14:21,386 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 04:14:21,393 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 04:14:21,393 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:14:19" (1/3) ...
[2020-09-25 04:14:21,394 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1c2732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:21, skipping insertion in model container
[2020-09-25 04:14:21,395 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:19" (2/3) ...
[2020-09-25 04:14:21,397 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1c2732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:21, skipping insertion in model container
[2020-09-25 04:14:21,397 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:21" (3/3) ...
[2020-09-25 04:14:21,400 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c
[2020-09-25 04:14:21,416 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 04:14:21,430 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 04:14:21,453 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 04:14:21,484 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 04:14:21,484 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 04:14:21,484 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 04:14:21,484 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 04:14:21,485 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 04:14:21,485 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 04:14:21,485 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 04:14:21,485 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 04:14:21,516 INFO  L276                IsEmpty]: Start isEmpty. Operand 338 states.
[2020-09-25 04:14:21,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-25 04:14:21,537 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:21,538 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-09-25 04:14:21,539 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:21,547 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:21,547 INFO  L82        PathProgramCache]: Analyzing trace with hash 242208481, now seen corresponding path program 1 times
[2020-09-25 04:14:21,557 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:21,557 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538751135]
[2020-09-25 04:14:21,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:21,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:22,031 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:22,282 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:23,589 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:23,705 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:26,887 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:26,888 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-25 04:14:26,888 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 04:14:26,888 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5004
[2020-09-25 04:14:26,892 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:26,892 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:26,892 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:26,893 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 136
[2020-09-25 04:14:26,893 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:26,893 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 04:14:27,279 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:27,286 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:27,314 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,325 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,426 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,426 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:27,427 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,427 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 110
[2020-09-25 04:14:27,427 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,427 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,428 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,428 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:27,428 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,428 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,489 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:27,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,491 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,493 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,494 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:27,494 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,494 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:27,494 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,495 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:27,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,496 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,497 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:27,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,499 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,501 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,502 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:27,502 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,502 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:27,503 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,503 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,503 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,504 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:27,504 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,504 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,506 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:27,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,508 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,513 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,513 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:27,513 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,513 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:14:27,514 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,514 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:27,515 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,515 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,517 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:27,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,519 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,521 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,521 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:27,522 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,522 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:27,522 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,522 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:27,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,523 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,532 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:27,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,534 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,537 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,537 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:27,537 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,538 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:27,538 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,538 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,539 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,539 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:27,539 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,539 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,541 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 04:14:27,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,545 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,549 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,549 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:27,549 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,550 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:14:27,550 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,550 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,550 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 04:14:27,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,551 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,554 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:27,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,556 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,558 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,559 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:27,559 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,559 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:27,559 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,560 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:27,561 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,561 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,563 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 04:14:27,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,566 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,568 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,568 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:27,568 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,569 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:27,569 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,569 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,570 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:27,570 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,570 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,572 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 04:14:27,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:27,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:27,576 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:27,576 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:27,576 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:27,576 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:27,577 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:27,577 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:27,577 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:27,577 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:27,578 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:27,578 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:27,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:27,646 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538751135]
[2020-09-25 04:14:27,649 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:27,649 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 04:14:27,650 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103948090]
[2020-09-25 04:14:27,660 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 04:14:27,661 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:27,679 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 04:14:27,680 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 04:14:27,683 INFO  L87              Difference]: Start difference. First operand 338 states. Second operand 4 states.
[2020-09-25 04:14:29,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:29,289 INFO  L93              Difference]: Finished difference Result 540 states and 636 transitions.
[2020-09-25 04:14:29,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 04:14:29,296 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-09-25 04:14:29,297 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:29,328 INFO  L225             Difference]: With dead ends: 540
[2020-09-25 04:14:29,328 INFO  L226             Difference]: Without dead ends: 338
[2020-09-25 04:14:29,341 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-09-25 04:14:29,365 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 338 states.
[2020-09-25 04:14:29,470 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 287.
[2020-09-25 04:14:29,475 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 287 states.
[2020-09-25 04:14:29,481 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 314 transitions.
[2020-09-25 04:14:29,484 INFO  L78                 Accepts]: Start accepts. Automaton has 287 states and 314 transitions. Word has length 160
[2020-09-25 04:14:29,485 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:29,485 INFO  L479      AbstractCegarLoop]: Abstraction has 287 states and 314 transitions.
[2020-09-25 04:14:29,485 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 04:14:29,485 INFO  L276                IsEmpty]: Start isEmpty. Operand 287 states and 314 transitions.
[2020-09-25 04:14:29,490 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-25 04:14:29,491 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:29,491 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-09-25 04:14:29,492 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 04:14:29,492 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:29,492 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:29,493 INFO  L82        PathProgramCache]: Analyzing trace with hash 424618484, now seen corresponding path program 1 times
[2020-09-25 04:14:29,493 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:29,493 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040933904]
[2020-09-25 04:14:29,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:29,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:29,610 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:29,708 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:31,223 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:31,702 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:32,677 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:34,598 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:34,599 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 198
[2020-09-25 04:14:34,599 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 04:14:34,600 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5043
[2020-09-25 04:14:34,600 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:34,601 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:34,601 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:34,601 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 135
[2020-09-25 04:14:34,602 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 04:14:34,602 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:34,954 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:34,956 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:34,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:34,974 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,062 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,063 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:35,063 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,063 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 97
[2020-09-25 04:14:35,064 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,064 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,064 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,064 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,065 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,065 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,096 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:35,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,097 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,099 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,099 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:35,099 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,099 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:35,099 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,100 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,101 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,102 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:35,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,103 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,105 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,105 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:35,105 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,105 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:35,106 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,106 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,107 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,108 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:35,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,110 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,114 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,114 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,115 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,115 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:35,115 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,115 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,116 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,118 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,119 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,119 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 04:14:35,121 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:35,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,124 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,125 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,125 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:35,126 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,126 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:35,126 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,126 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,127 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,127 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,127 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,127 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,141 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:35,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,144 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,145 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,146 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:35,146 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,146 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:35,146 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,147 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,147 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,147 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,149 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 04:14:35,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,152 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,154 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,154 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:35,154 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,154 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:35,155 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,155 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 04:14:35,156 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,156 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,158 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:35,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,160 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,162 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,162 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,163 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,163 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:35,163 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,163 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,164 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,164 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:35,164 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,164 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,166 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 04:14:35,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,168 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,170 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,171 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,171 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,171 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:35,171 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,171 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,172 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,172 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:35,172 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,172 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,174 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 04:14:35,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:35,176 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:35,178 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:35,178 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:35,178 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:35,178 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:35,179 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:35,179 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:35,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:35,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:35,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:35,180 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:35,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:35,209 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040933904]
[2020-09-25 04:14:35,209 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:35,209 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 04:14:35,210 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172904004]
[2020-09-25 04:14:35,213 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 04:14:35,213 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:35,214 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 04:14:35,214 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 04:14:35,214 INFO  L87              Difference]: Start difference. First operand 287 states and 314 transitions. Second operand 5 states.
[2020-09-25 04:14:35,884 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:14:37,062 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:37,063 INFO  L93              Difference]: Finished difference Result 459 states and 520 transitions.
[2020-09-25 04:14:37,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 04:14:37,064 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 161
[2020-09-25 04:14:37,065 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:37,069 INFO  L225             Difference]: With dead ends: 459
[2020-09-25 04:14:37,069 INFO  L226             Difference]: Without dead ends: 327
[2020-09-25 04:14:37,071 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 04:14:37,072 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 327 states.
[2020-09-25 04:14:37,116 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 277.
[2020-09-25 04:14:37,116 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 277 states.
[2020-09-25 04:14:37,118 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 301 transitions.
[2020-09-25 04:14:37,118 INFO  L78                 Accepts]: Start accepts. Automaton has 277 states and 301 transitions. Word has length 161
[2020-09-25 04:14:37,119 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:37,119 INFO  L479      AbstractCegarLoop]: Abstraction has 277 states and 301 transitions.
[2020-09-25 04:14:37,119 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 04:14:37,119 INFO  L276                IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions.
[2020-09-25 04:14:37,122 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-09-25 04:14:37,122 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:37,122 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-09-25 04:14:37,123 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 04:14:37,123 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:37,123 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:37,123 INFO  L82        PathProgramCache]: Analyzing trace with hash -1558569605, now seen corresponding path program 1 times
[2020-09-25 04:14:37,124 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:37,124 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391590104]
[2020-09-25 04:14:37,124 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:37,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:37,225 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:37,452 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:37,604 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:39,383 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,207 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,208 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 211
[2020-09-25 04:14:42,208 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 04:14:42,208 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5032
[2020-09-25 04:14:42,208 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,209 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,209 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:42,209 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 153
[2020-09-25 04:14:42,209 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 04:14:42,209 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,543 WARN  L193               SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:42,544 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:42,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,567 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,671 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,671 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:42,672 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,672 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 115
[2020-09-25 04:14:42,672 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,674 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,675 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,675 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,675 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,676 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 04:14:42,723 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:42,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,725 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,727 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,727 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:42,728 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,728 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:42,729 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,729 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,729 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,730 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,730 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,730 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,732 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:42,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,734 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,735 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,736 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:42,736 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,736 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:42,737 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,737 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,737 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,738 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,738 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,738 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,739 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:42,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,742 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,746 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,746 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:42,746 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,746 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:42,747 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,747 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,747 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,747 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,747 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,748 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,749 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:42,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,751 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,755 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,756 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:42,756 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,756 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:42,757 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,757 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,759 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,772 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:42,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,774 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,776 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,776 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:42,777 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,777 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:42,777 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,778 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,778 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,779 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,779 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,779 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,792 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 04:14:42,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,796 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,799 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,799 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:42,800 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,800 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:42,801 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,801 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,801 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:42,802 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,802 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 04:14:42,802 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,811 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 04:14:42,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,816 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,820 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,821 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:42,821 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,822 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 04:14:42,822 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,822 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:42,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 04:14:42,824 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,826 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:42,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,829 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,830 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,831 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:42,831 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,831 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:42,832 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,832 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:42,833 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,834 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,836 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 04:14:42,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,839 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,846 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,847 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:42,847 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,848 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 04:14:42,848 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,848 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,849 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,849 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:42,850 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,850 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,852 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2020-09-25 04:14:42,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:42,855 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:42,859 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:42,860 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:42,860 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:42,861 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:14:42,861 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:42,861 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:42,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:42,862 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:42,863 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:42,863 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:42,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:42,926 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391590104]
[2020-09-25 04:14:42,926 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:42,927 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 04:14:42,927 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650304800]
[2020-09-25 04:14:42,929 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 04:14:42,929 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:42,929 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 04:14:42,931 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 04:14:42,931 INFO  L87              Difference]: Start difference. First operand 277 states and 301 transitions. Second operand 6 states.
[2020-09-25 04:14:43,594 WARN  L193               SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 04:14:45,730 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:45,730 INFO  L93              Difference]: Finished difference Result 683 states and 793 transitions.
[2020-09-25 04:14:45,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 04:14:45,731 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 174
[2020-09-25 04:14:45,732 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:45,736 INFO  L225             Difference]: With dead ends: 683
[2020-09-25 04:14:45,737 INFO  L226             Difference]: Without dead ends: 521
[2020-09-25 04:14:45,738 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-09-25 04:14:45,739 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 521 states.
[2020-09-25 04:14:45,830 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 429.
[2020-09-25 04:14:45,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 429 states.
[2020-09-25 04:14:45,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 478 transitions.
[2020-09-25 04:14:45,837 INFO  L78                 Accepts]: Start accepts. Automaton has 429 states and 478 transitions. Word has length 174
[2020-09-25 04:14:45,840 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:45,841 INFO  L479      AbstractCegarLoop]: Abstraction has 429 states and 478 transitions.
[2020-09-25 04:14:45,841 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 04:14:45,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 429 states and 478 transitions.
[2020-09-25 04:14:45,843 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2020-09-25 04:14:45,844 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:45,844 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-09-25 04:14:45,844 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 04:14:45,845 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:45,845 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:45,845 INFO  L82        PathProgramCache]: Analyzing trace with hash 1499637602, now seen corresponding path program 1 times
[2020-09-25 04:14:45,845 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:45,846 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953846104]
[2020-09-25 04:14:45,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:45,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:45,964 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:46,227 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:46,790 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:48,957 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:50,911 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:50,911 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 216
[2020-09-25 04:14:50,911 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 04:14:50,911 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5000
[2020-09-25 04:14:50,911 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:50,912 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:50,912 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:14:50,912 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 180
[2020-09-25 04:14:50,912 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 31
[2020-09-25 04:14:50,912 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:51,317 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:51,318 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:51,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,357 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,463 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,463 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:51,463 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,463 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 122
[2020-09-25 04:14:51,464 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,464 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,464 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,464 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,465 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,465 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,502 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:51,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,504 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,506 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,506 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:51,506 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,506 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,507 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,507 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,507 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,507 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,508 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,508 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,509 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:51,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,511 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,512 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,513 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:51,513 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,513 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,513 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,513 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,514 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,515 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:51,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,517 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,519 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,519 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,519 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,519 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,519 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,520 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,520 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,520 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,520 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,521 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,522 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:51,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,524 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,525 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,525 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:51,525 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,526 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:51,526 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,526 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,526 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,527 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,527 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,537 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:51,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,539 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,540 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,540 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:51,541 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,541 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:51,541 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,541 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,541 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,542 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,542 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,557 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-09-25 04:14:51,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,560 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,561 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,561 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 04:14:51,562 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,562 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,562 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,562 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,562 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,563 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,563 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,563 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,565 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 04:14:51,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,568 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,569 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,570 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:51,570 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,570 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:51,570 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,570 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,571 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,571 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,571 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,571 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,574 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:51,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,575 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,577 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,577 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,577 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,577 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:51,578 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,578 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,578 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:51,578 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:51,579 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,583 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 04:14:51,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,587 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,590 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,590 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,591 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,591 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:51,591 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,591 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:14:51,592 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,592 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:14:51,592 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,594 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166
[2020-09-25 04:14:51,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:51,600 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:51,608 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:51,608 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:51,609 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:51,609 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 04:14:51,609 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:51,609 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:51,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 04:14:51,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:51,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:14:51,610 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:51,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-09-25 04:14:51,679 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953846104]
[2020-09-25 04:14:51,679 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:51,679 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 04:14:51,680 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517402695]
[2020-09-25 04:14:51,681 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 04:14:51,681 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:51,681 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 04:14:51,682 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 04:14:51,682 INFO  L87              Difference]: Start difference. First operand 429 states and 478 transitions. Second operand 10 states.
[2020-09-25 04:14:52,251 WARN  L193               SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:14:53,382 WARN  L193               SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 04:14:53,720 WARN  L193               SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 04:14:55,052 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 04:14:55,359 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:14:55,743 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:14:56,365 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 04:14:56,714 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 04:14:57,046 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 04:14:57,570 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:14:57,571 INFO  L93              Difference]: Finished difference Result 1044 states and 1243 transitions.
[2020-09-25 04:14:57,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-09-25 04:14:57,572 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 179
[2020-09-25 04:14:57,572 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:14:57,578 INFO  L225             Difference]: With dead ends: 1044
[2020-09-25 04:14:57,578 INFO  L226             Difference]: Without dead ends: 730
[2020-09-25 04:14:57,580 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-25 04:14:57,581 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 730 states.
[2020-09-25 04:14:57,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 643.
[2020-09-25 04:14:57,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 643 states.
[2020-09-25 04:14:57,670 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 720 transitions.
[2020-09-25 04:14:57,671 INFO  L78                 Accepts]: Start accepts. Automaton has 643 states and 720 transitions. Word has length 179
[2020-09-25 04:14:57,671 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:14:57,671 INFO  L479      AbstractCegarLoop]: Abstraction has 643 states and 720 transitions.
[2020-09-25 04:14:57,672 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 04:14:57,672 INFO  L276                IsEmpty]: Start isEmpty. Operand 643 states and 720 transitions.
[2020-09-25 04:14:57,675 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2020-09-25 04:14:57,676 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:14:57,676 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:57,676 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 04:14:57,676 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:14:57,677 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:14:57,677 INFO  L82        PathProgramCache]: Analyzing trace with hash 1825094604, now seen corresponding path program 1 times
[2020-09-25 04:14:57,677 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:14:57,677 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335674372]
[2020-09-25 04:14:57,678 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:14:57,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:57,800 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:58,577 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:58,578 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 287
[2020-09-25 04:14:58,578 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:58,578 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 838
[2020-09-25 04:14:58,578 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:58,578 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:58,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:14:58,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 206
[2020-09-25 04:14:58,579 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:14:58,579 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:58,926 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:14:58,928 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:58,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:58,947 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,056 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,056 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 04:14:59,057 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,057 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 116
[2020-09-25 04:14:59,057 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,057 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,058 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,058 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,058 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,058 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,089 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-25 04:14:59,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,091 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,092 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,093 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:59,093 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,093 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:59,093 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,094 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,094 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,094 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,095 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-25 04:14:59,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,097 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,098 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,098 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:59,098 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,098 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:59,099 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,099 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,099 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,100 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,100 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,101 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-25 04:14:59,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,102 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,105 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,106 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:59,106 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,106 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:59,106 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,106 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,107 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,107 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,109 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-25 04:14:59,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,111 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,112 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,112 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:14:59,112 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,112 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 04:14:59,112 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,113 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,113 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,113 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,113 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,113 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,121 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-25 04:14:59,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,124 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,125 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,125 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:59,125 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,125 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,126 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,126 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,127 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,137 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-09-25 04:14:59,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,139 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,141 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,141 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:59,141 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,142 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,142 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,142 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,142 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,142 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,143 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,143 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:59,144 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-09-25 04:14:59,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,146 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,147 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,148 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 04:14:59,148 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,148 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,148 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,148 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,149 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,149 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:59,151 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:14:59,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,153 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,154 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,155 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:59,155 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,155 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,155 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,156 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,156 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,156 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,156 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,156 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,170 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 04:14:59,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,184 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,274 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,275 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 79
[2020-09-25 04:14:59,275 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,275 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 97
[2020-09-25 04:14:59,275 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,276 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:14:59,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 04:14:59,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:14:59,277 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,284 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:14:59,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,296 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,386 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,386 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 04:14:59,387 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,387 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 04:14:59,387 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,387 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,387 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 04:14:59,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 04:14:59,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 04:14:59,389 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,414 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 04:14:59,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,424 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,457 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,457 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 04:14:59,457 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,457 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 39
[2020-09-25 04:14:59,457 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,458 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,458 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 04:14:59,458 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,458 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 04:14:59,458 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:59,512 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 04:14:59,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,514 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,518 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,519 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 04:14:59,519 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,519 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:14:59,519 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,519 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,519 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,520 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,520 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,520 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:59,522 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 04:14:59,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,527 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,535 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,536 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 04:14:59,536 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,536 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 04:14:59,536 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,536 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,536 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,537 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 04:14:59,537 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,537 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:14:59,539 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 04:14:59,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,542 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,543 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,543 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 04:14:59,543 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,544 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,544 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,544 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,544 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,545 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,545 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,545 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,547 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 04:14:59,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,549 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,550 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,551 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:59,551 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,551 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,552 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,552 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,553 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,554 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-25 04:14:59,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,557 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,559 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,559 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:14:59,559 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,560 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:14:59,560 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,560 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,560 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:14:59,561 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,561 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,568 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2020-09-25 04:14:59,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,571 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,572 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,573 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:59,573 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,573 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,573 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,573 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,574 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,574 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:59,574 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,574 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,576 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221
[2020-09-25 04:14:59,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:14:59,578 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:14:59,579 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:14:59,579 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:14:59,580 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:14:59,580 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:14:59,580 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:14:59,580 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:14:59,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:14:59,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:14:59,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:14:59,581 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:14:59,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-25 04:14:59,642 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335674372]
[2020-09-25 04:14:59,643 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:14:59,643 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 04:14:59,643 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127162707]
[2020-09-25 04:14:59,644 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 04:14:59,644 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:14:59,645 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 04:14:59,645 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-09-25 04:14:59,646 INFO  L87              Difference]: Start difference. First operand 643 states and 720 transitions. Second operand 11 states.
[2020-09-25 04:15:01,330 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 04:15:01,594 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 04:15:01,916 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 197
[2020-09-25 04:15:02,255 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:15:02,618 WARN  L193               SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 04:15:02,925 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:15:04,327 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:15:04,328 INFO  L93              Difference]: Finished difference Result 1360 states and 1640 transitions.
[2020-09-25 04:15:04,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-09-25 04:15:04,329 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 234
[2020-09-25 04:15:04,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:15:04,334 INFO  L225             Difference]: With dead ends: 1360
[2020-09-25 04:15:04,335 INFO  L226             Difference]: Without dead ends: 832
[2020-09-25 04:15:04,337 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420
[2020-09-25 04:15:04,338 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 832 states.
[2020-09-25 04:15:04,424 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 662.
[2020-09-25 04:15:04,425 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 662 states.
[2020-09-25 04:15:04,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 740 transitions.
[2020-09-25 04:15:04,429 INFO  L78                 Accepts]: Start accepts. Automaton has 662 states and 740 transitions. Word has length 234
[2020-09-25 04:15:04,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:15:04,430 INFO  L479      AbstractCegarLoop]: Abstraction has 662 states and 740 transitions.
[2020-09-25 04:15:04,430 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 04:15:04,430 INFO  L276                IsEmpty]: Start isEmpty. Operand 662 states and 740 transitions.
[2020-09-25 04:15:04,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2020-09-25 04:15:04,434 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 04:15:04,435 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:04,435 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 04:15:04,435 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:15:04,435 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:15:04,435 INFO  L82        PathProgramCache]: Analyzing trace with hash -1802126292, now seen corresponding path program 1 times
[2020-09-25 04:15:04,436 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:15:04,436 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030300260]
[2020-09-25 04:15:04,436 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:15:04,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:15:04,543 FATAL L256   erpolLogProxyWrapper]: Now shrinking...