/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 13:06:00,963 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 13:06:00,968 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 13:06:01,014 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 13:06:01,015 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 13:06:01,016 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 13:06:01,017 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 13:06:01,019 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 13:06:01,021 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 13:06:01,022 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 13:06:01,023 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 13:06:01,024 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 13:06:01,024 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 13:06:01,025 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 13:06:01,026 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 13:06:01,028 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 13:06:01,029 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 13:06:01,030 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 13:06:01,032 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 13:06:01,034 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 13:06:01,035 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 13:06:01,036 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 13:06:01,038 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 13:06:01,039 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 13:06:01,041 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 13:06:01,041 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 13:06:01,042 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 13:06:01,043 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 13:06:01,043 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 13:06:01,044 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 13:06:01,045 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 13:06:01,045 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 13:06:01,046 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 13:06:01,047 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 13:06:01,048 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 13:06:01,049 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 13:06:01,049 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 13:06:01,050 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 13:06:01,050 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 13:06:01,051 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 13:06:01,052 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 13:06:01,053 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 13:06:01,078 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 13:06:01,079 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 13:06:01,080 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 13:06:01,080 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 13:06:01,080 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 13:06:01,081 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 13:06:01,081 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 13:06:01,081 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 13:06:01,081 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 13:06:01,081 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 13:06:01,082 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 13:06:01,082 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 13:06:01,082 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 13:06:01,082 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 13:06:01,082 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 13:06:01,083 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 13:06:01,083 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 13:06:01,083 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 13:06:01,083 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 13:06:01,084 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 13:06:01,084 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 13:06:01,084 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 13:06:01,084 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 13:06:01,084 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 13:06:01,085 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 13:06:01,085 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 13:06:01,085 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 13:06:01,085 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 13:06:01,085 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 13:06:01,086 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true;
[2020-09-25 13:06:01,535 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 13:06:01,552 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 13:06:01,557 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 13:06:01,559 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 13:06:01,559 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 13:06:01,561 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c
[2020-09-25 13:06:01,655 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb9f0f86/9f9f553dd50147b7bf4a48861d2cd1ad/FLAGed0cbf99e
[2020-09-25 13:06:02,299 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 13:06:02,300 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c
[2020-09-25 13:06:02,317 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb9f0f86/9f9f553dd50147b7bf4a48861d2cd1ad/FLAGed0cbf99e
[2020-09-25 13:06:02,554 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb9f0f86/9f9f553dd50147b7bf4a48861d2cd1ad
[2020-09-25 13:06:02,569 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 13:06:02,579 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 13:06:02,583 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 13:06:02,584 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 13:06:02,588 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 13:06:02,589 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:06:02" (1/1) ...
[2020-09-25 13:06:02,596 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:02, skipping insertion in model container
[2020-09-25 13:06:02,596 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:06:02" (1/1) ...
[2020-09-25 13:06:02,608 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 13:06:02,681 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 13:06:03,071 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:06:03,099 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 13:06:03,290 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 13:06:03,338 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 13:06:03,338 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03 WrapperNode
[2020-09-25 13:06:03,338 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 13:06:03,339 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 13:06:03,339 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 13:06:03,340 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 13:06:03,354 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
[2020-09-25 13:06:03,354 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
[2020-09-25 13:06:03,376 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
[2020-09-25 13:06:03,377 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
[2020-09-25 13:06:03,407 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
[2020-09-25 13:06:03,419 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
[2020-09-25 13:06:03,425 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
[2020-09-25 13:06:03,433 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 13:06:03,434 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 13:06:03,434 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 13:06:03,434 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 13:06:03,436 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 13:06:03,520 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 13:06:03,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 13:06:03,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:06:03,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 13:06:03,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 13:06:03,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 13:06:03,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 13:06:03,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 13:06:03,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 13:06:03,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 13:06:03,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 13:06:03,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 13:06:03,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 13:06:03,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 13:06:03,523 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 13:06:03,524 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 13:06:03,524 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 13:06:03,524 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 13:06:03,524 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 13:06:03,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 13:06:03,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 13:06:03,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 13:06:03,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 13:06:03,525 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:06:03,526 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 13:06:03,526 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 13:06:03,526 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 13:06:03,526 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 13:06:03,526 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 13:06:03,526 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 13:06:03,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 13:06:03,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 13:06:03,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 13:06:03,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 13:06:03,527 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 13:06:03,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 13:06:03,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 13:06:03,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 13:06:03,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 13:06:03,528 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 13:06:03,528 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 13:06:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 13:06:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 13:06:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 13:06:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 13:06:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 13:06:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 13:06:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 13:06:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 13:06:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 13:06:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 13:06:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 13:06:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 13:06:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 13:06:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 13:06:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 13:06:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 13:06:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 13:06:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-25 13:06:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 13:06:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 13:06:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 13:06:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 13:06:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 13:06:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 13:06:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 13:06:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 13:06:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 13:06:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 13:06:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 13:06:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 13:06:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 13:06:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 13:06:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 13:06:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 13:06:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 13:06:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 13:06:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 13:06:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 13:06:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 13:06:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 13:06:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 13:06:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 13:06:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 13:06:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 13:06:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 13:06:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 13:06:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 13:06:03,537 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 13:06:03,537 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 13:06:03,537 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 13:06:03,537 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 13:06:04,820 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 13:06:04,821 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 13:06:04,829 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:06:04 BoogieIcfgContainer
[2020-09-25 13:06:04,829 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 13:06:04,830 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 13:06:04,831 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 13:06:04,834 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 13:06:04,835 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:06:02" (1/3) ...
[2020-09-25 13:06:04,836 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac2f8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:06:04, skipping insertion in model container
[2020-09-25 13:06:04,836 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:06:03" (2/3) ...
[2020-09-25 13:06:04,836 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac2f8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:06:04, skipping insertion in model container
[2020-09-25 13:06:04,837 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:06:04" (3/3) ...
[2020-09-25 13:06:04,839 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c
[2020-09-25 13:06:04,851 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 13:06:04,864 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 13:06:04,885 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 13:06:04,913 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 13:06:04,914 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 13:06:04,914 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 13:06:04,914 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 13:06:04,914 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 13:06:04,914 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 13:06:04,914 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 13:06:04,914 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 13:06:04,944 INFO  L276                IsEmpty]: Start isEmpty. Operand 310 states.
[2020-09-25 13:06:04,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 13:06:04,962 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:04,964 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 13:06:04,964 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:04,971 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:04,972 INFO  L82        PathProgramCache]: Analyzing trace with hash 2110022022, now seen corresponding path program 1 times
[2020-09-25 13:06:04,983 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:04,983 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124694624]
[2020-09-25 13:06:04,984 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:06:05,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:05,509 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:05,700 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:06,218 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:07,193 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:07,466 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:10,347 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:10,347 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 13:06:10,347 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 13:06:10,348 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5030
[2020-09-25 13:06:10,351 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:10,352 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:10,352 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:10,354 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 13:06:10,355 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 58
[2020-09-25 13:06:10,355 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 7
[2020-09-25 13:06:10,826 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:06:10,834 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:06:10,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:10,950 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:11,205 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:11,205 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:06:11,206 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:11,206 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 309
[2020-09-25 13:06:11,206 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:11,207 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:11,207 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:11,208 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:11,208 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 13:06:11,208 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:11,310 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:06:11,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:11,314 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:11,328 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:11,328 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:11,329 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:11,329 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 13:06:11,329 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:11,329 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:11,330 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:11,330 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:11,330 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:11,330 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:11,334 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:06:11,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:11,340 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:11,343 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:11,344 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:11,344 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:11,344 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:11,344 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:11,345 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:11,345 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:11,345 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:11,345 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:11,345 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:11,348 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:06:11,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:11,353 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:11,362 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:11,362 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:11,362 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:11,363 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 13:06:11,363 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:11,363 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:11,363 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:11,364 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:11,364 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:11,364 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:11,367 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:06:11,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:11,371 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:11,374 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:11,374 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:11,374 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:11,374 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:11,375 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:11,375 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:11,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:11,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:11,376 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:11,376 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:11,378 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 13:06:11,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:11,384 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:11,386 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:11,386 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:11,387 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:11,387 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:06:11,387 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:11,387 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:11,387 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:11,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:11,388 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:11,388 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:11,393 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 13:06:11,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:11,396 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:11,397 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:11,398 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:11,398 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:11,398 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:11,398 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:11,399 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:11,399 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:11,399 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:11,399 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:11,400 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:11,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 13:06:11,435 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124694624]
[2020-09-25 13:06:11,438 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:06:11,438 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 13:06:11,439 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510906847]
[2020-09-25 13:06:11,448 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 13:06:11,449 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:06:11,467 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 13:06:11,468 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 13:06:11,471 INFO  L87              Difference]: Start difference. First operand 310 states. Second operand 4 states.
[2020-09-25 13:06:12,079 WARN  L193               SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:13,201 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:06:13,202 INFO  L93              Difference]: Finished difference Result 487 states and 582 transitions.
[2020-09-25 13:06:13,203 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-25 13:06:13,205 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 142
[2020-09-25 13:06:13,206 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:06:13,224 INFO  L225             Difference]: With dead ends: 487
[2020-09-25 13:06:13,225 INFO  L226             Difference]: Without dead ends: 302
[2020-09-25 13:06:13,231 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 13:06:13,250 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 302 states.
[2020-09-25 13:06:13,336 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 259.
[2020-09-25 13:06:13,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 259 states.
[2020-09-25 13:06:13,341 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions.
[2020-09-25 13:06:13,343 INFO  L78                 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142
[2020-09-25 13:06:13,344 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:06:13,344 INFO  L479      AbstractCegarLoop]: Abstraction has 259 states and 282 transitions.
[2020-09-25 13:06:13,344 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 13:06:13,345 INFO  L276                IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions.
[2020-09-25 13:06:13,351 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2020-09-25 13:06:13,351 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:13,352 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 13:06:13,352 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 13:06:13,352 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:13,353 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:13,353 INFO  L82        PathProgramCache]: Analyzing trace with hash 1557492172, now seen corresponding path program 1 times
[2020-09-25 13:06:13,353 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:13,353 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407890533]
[2020-09-25 13:06:13,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:06:13,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:13,474 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:13,631 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:14,098 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:15,310 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:16,157 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:16,299 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:16,401 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:18,443 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:18,443 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 13:06:18,444 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 13:06:18,444 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5028
[2020-09-25 13:06:18,444 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:18,444 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:18,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 13:06:18,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 13:06:18,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 106
[2020-09-25 13:06:18,445 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:18,782 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:06:18,783 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:06:18,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:18,849 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,047 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,047 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:06:19,047 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,048 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 231
[2020-09-25 13:06:19,048 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,048 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,048 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:19,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,049 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 13:06:19,049 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,091 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:06:19,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,093 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,096 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,096 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:19,096 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,096 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:19,097 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,097 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,097 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:19,098 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,098 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:19,098 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,101 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:06:19,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,103 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,106 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,106 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:19,107 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,107 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:19,107 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,107 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:19,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,108 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:19,108 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,110 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:06:19,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,113 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,124 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,124 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:19,124 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,125 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 13:06:19,125 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,125 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,125 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:19,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:19,126 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,128 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:06:19,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,130 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,134 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,134 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:19,135 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,135 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:19,135 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,135 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,136 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:19,136 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,136 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:19,136 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,155 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 13:06:19,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,160 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,166 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,190 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,190 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 13:06:19,190 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 13:06:19,191 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 31
[2020-09-25 13:06:19,191 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,191 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:19,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,192 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 13:06:19,192 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,195 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:19,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,197 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,202 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,202 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 13:06:19,203 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,203 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:06:19,203 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,204 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,204 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:19,205 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,205 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:19,206 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:06:19,216 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:19,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,218 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,220 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,220 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:19,220 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,220 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:19,221 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,221 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,221 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:19,222 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,222 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:19,222 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,223 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2020-09-25 13:06:19,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,227 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,248 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,250 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:19,250 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,250 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-25 13:06:19,250 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,251 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:06:19,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:19,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:19,252 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,294 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2020-09-25 13:06:19,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:19,297 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:19,298 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:19,299 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:19,299 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:19,299 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:19,299 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:19,300 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:19,300 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:19,300 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:19,300 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:19,301 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:19,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 13:06:19,343 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407890533]
[2020-09-25 13:06:19,344 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:06:19,344 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 13:06:19,344 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690152547]
[2020-09-25 13:06:19,348 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 13:06:19,349 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:06:19,349 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 13:06:19,350 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 13:06:19,350 INFO  L87              Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 9 states.
[2020-09-25 13:06:20,027 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:21,071 WARN  L193               SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:21,375 WARN  L193               SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:06:22,180 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:22,519 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:23,317 WARN  L193               SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:23,644 WARN  L193               SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:06:23,988 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:24,618 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:06:25,769 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:06:25,769 INFO  L93              Difference]: Finished difference Result 670 states and 819 transitions.
[2020-09-25 13:06:25,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 13:06:25,773 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 165
[2020-09-25 13:06:25,774 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:06:25,781 INFO  L225             Difference]: With dead ends: 670
[2020-09-25 13:06:25,781 INFO  L226             Difference]: Without dead ends: 497
[2020-09-25 13:06:25,785 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 13:06:25,787 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 497 states.
[2020-09-25 13:06:25,865 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 383.
[2020-09-25 13:06:25,865 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 383 states.
[2020-09-25 13:06:25,868 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 425 transitions.
[2020-09-25 13:06:25,868 INFO  L78                 Accepts]: Start accepts. Automaton has 383 states and 425 transitions. Word has length 165
[2020-09-25 13:06:25,869 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:06:25,869 INFO  L479      AbstractCegarLoop]: Abstraction has 383 states and 425 transitions.
[2020-09-25 13:06:25,869 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 13:06:25,869 INFO  L276                IsEmpty]: Start isEmpty. Operand 383 states and 425 transitions.
[2020-09-25 13:06:25,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-25 13:06:25,873 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:25,874 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 13:06:25,874 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 13:06:25,874 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:25,874 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:25,875 INFO  L82        PathProgramCache]: Analyzing trace with hash 566137232, now seen corresponding path program 1 times
[2020-09-25 13:06:25,875 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:25,875 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160026179]
[2020-09-25 13:06:25,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:06:25,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:26,008 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:26,196 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:26,553 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:27,602 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:27,750 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:27,854 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:30,974 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:30,974 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 207
[2020-09-25 13:06:30,974 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 13:06:30,975 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5014
[2020-09-25 13:06:30,975 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:30,975 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:30,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 13:06:30,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 13:06:30,975 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 84
[2020-09-25 13:06:30,976 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 13:06:31,368 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:06:31,369 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:06:31,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,445 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,671 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,672 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:06:31,672 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:31,672 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 263
[2020-09-25 13:06:31,673 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,673 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,673 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:31,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:31,674 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 13:06:31,675 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:31,737 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:06:31,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,741 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,744 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,745 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:31,745 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:31,745 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 13:06:31,746 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,746 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,746 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:31,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:31,757 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:31,757 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 11
[2020-09-25 13:06:31,763 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:06:31,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,765 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,768 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,768 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:31,769 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:31,769 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:31,769 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,770 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,770 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:31,770 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:31,771 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:31,771 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:31,772 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:06:31,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,776 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,782 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,782 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:31,783 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:31,783 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 13:06:31,783 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,784 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,784 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:31,784 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:31,784 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:31,785 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:31,787 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:06:31,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,789 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,792 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,792 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:31,792 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:31,793 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:31,793 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,793 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:31,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:31,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:31,795 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:31,807 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 13:06:31,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,810 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,817 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,818 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 13:06:31,818 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:31,818 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 13:06:31,819 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,819 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,819 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:31,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:31,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 13:06:31,820 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:31,832 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 13:06:31,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,835 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,842 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,858 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,858 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 13:06:31,859 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 13:06:31,859 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 24
[2020-09-25 13:06:31,859 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,860 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,860 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 13:06:31,860 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:06:31,861 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 13:06:31,861 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:31,877 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:31,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,883 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:31,893 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:31,893 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 13:06:31,894 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:31,894 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 13:06:31,894 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:31,895 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:31,895 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:06:31,896 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:06:31,896 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 13:06:31,896 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:31,989 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:31,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:31,992 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,002 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,002 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:32,003 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,004 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 13:06:32,004 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,004 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,005 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:32,005 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:32,006 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:32,006 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 13:06:32,009 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 13:06:32,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,013 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,022 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,022 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:32,022 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,022 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 13:06:32,023 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,023 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,023 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:32,023 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:32,024 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:32,027 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 13:06:32,028 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-25 13:06:32,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:32,031 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:32,033 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:32,034 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:32,034 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:32,034 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:32,035 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:32,035 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:32,035 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:32,036 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 13:06:32,036 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:32,036 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:32,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 13:06:32,191 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160026179]
[2020-09-25 13:06:32,191 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:06:32,192 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 13:06:32,192 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518943701]
[2020-09-25 13:06:32,194 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 13:06:32,194 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:06:32,194 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 13:06:32,195 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-09-25 13:06:32,195 INFO  L87              Difference]: Start difference. First operand 383 states and 425 transitions. Second operand 8 states.
[2020-09-25 13:06:32,848 WARN  L193               SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:34,318 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:06:36,024 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 13:06:36,025 INFO  L93              Difference]: Finished difference Result 1060 states and 1289 transitions.
[2020-09-25 13:06:36,025 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2020-09-25 13:06:36,026 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 170
[2020-09-25 13:06:36,026 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 13:06:36,033 INFO  L225             Difference]: With dead ends: 1060
[2020-09-25 13:06:36,033 INFO  L226             Difference]: Without dead ends: 787
[2020-09-25 13:06:36,036 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272
[2020-09-25 13:06:36,038 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 787 states.
[2020-09-25 13:06:36,171 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 610.
[2020-09-25 13:06:36,172 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 610 states.
[2020-09-25 13:06:36,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 679 transitions.
[2020-09-25 13:06:36,176 INFO  L78                 Accepts]: Start accepts. Automaton has 610 states and 679 transitions. Word has length 170
[2020-09-25 13:06:36,177 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 13:06:36,177 INFO  L479      AbstractCegarLoop]: Abstraction has 610 states and 679 transitions.
[2020-09-25 13:06:36,177 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 13:06:36,177 INFO  L276                IsEmpty]: Start isEmpty. Operand 610 states and 679 transitions.
[2020-09-25 13:06:36,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2020-09-25 13:06:36,180 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 13:06:36,181 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 13:06:36,181 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 13:06:36,181 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 13:06:36,181 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 13:06:36,181 INFO  L82        PathProgramCache]: Analyzing trace with hash -996827051, now seen corresponding path program 1 times
[2020-09-25 13:06:36,182 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 13:06:36,182 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991446537]
[2020-09-25 13:06:36,182 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 13:06:36,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:36,286 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:36,384 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:38,656 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:38,807 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:38,911 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:39,323 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,283 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,284 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 235
[2020-09-25 13:06:41,284 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 13:06:41,284 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5048
[2020-09-25 13:06:41,285 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,285 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 18
[2020-09-25 13:06:41,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 13:06:41,286 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 150
[2020-09-25 13:06:41,286 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,655 WARN  L193               SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 13:06:41,656 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 13:06:41,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,738 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,926 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,926 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 13:06:41,926 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,927 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 219
[2020-09-25 13:06:41,927 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,927 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,927 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,928 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,928 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 13:06:41,928 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,968 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 13:06:41,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,970 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,972 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,972 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:41,972 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,972 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:41,973 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,973 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,973 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,973 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,973 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:41,974 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,975 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 13:06:41,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,977 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,978 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,979 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:41,979 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,979 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:41,979 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,980 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,980 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:41,980 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:41,981 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 13:06:41,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,985 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,991 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,991 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:41,991 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,991 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 13:06:41,992 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,992 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,992 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,992 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:41,992 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:41,992 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 13:06:41,994 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 13:06:41,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:41,996 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:41,998 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:41,998 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:41,998 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:41,999 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:41,999 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:41,999 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:41,999 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:41,999 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:42,000 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:42,000 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:42,016 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 13:06:42,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:42,020 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,025 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:42,025 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 13:06:42,025 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:42,026 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 13:06:42,027 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 13:06:42,038 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 13:06:42,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:42,046 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,051 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,067 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,200 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:42,745 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:43,642 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:43,643 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 13:06:43,643 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 13:06:43,643 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1600
[2020-09-25 13:06:43,643 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:43,644 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:43,644 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 13:06:43,644 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:06:43,644 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 49
[2020-09-25 13:06:43,645 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:43,651 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:43,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:43,667 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:43,678 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:43,826 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:44,252 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:44,253 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 13:06:44,253 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 13:06:44,253 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 596
[2020-09-25 13:06:44,254 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:44,254 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:44,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 13:06:44,254 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 13:06:44,255 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 42
[2020-09-25 13:06:44,255 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:44,260 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 13:06:44,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:44,266 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:44,271 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:44,328 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:44,328 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 13:06:44,329 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 13:06:44,329 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 64
[2020-09-25 13:06:44,329 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:44,329 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:44,329 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:44,330 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:44,330 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 13:06:44,330 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:44,333 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 13:06:44,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:44,335 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:44,338 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:44,338 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 13:06:44,338 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:44,339 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:44,339 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:44,339 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:44,339 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 13:06:44,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:44,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 13:06:44,340 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:44,342 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 13:06:44,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:44,344 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:44,346 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:44,346 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 13:06:44,346 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:44,346 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 13:06:44,347 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:44,347 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:44,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:44,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:44,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 13:06:44,348 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:44,351 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2020-09-25 13:06:44,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:44,353 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:44,355 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:44,356 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:44,356 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:44,356 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 13:06:44,356 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:44,357 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:44,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 13:06:44,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:44,357 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:44,357 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 13:06:44,359 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-09-25 13:06:44,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 13:06:44,362 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 13:06:44,366 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 13:06:44,367 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 13:06:44,367 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 13:06:44,367 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 13:06:44,367 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 13:06:44,367 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 13:06:44,368 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 13:06:44,368 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 13:06:44,368 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 13:06:44,368 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 13:06:44,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 13:06:44,430 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991446537]
[2020-09-25 13:06:44,431 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 13:06:44,431 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 13:06:44,431 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602242588]
[2020-09-25 13:06:44,432 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 13:06:44,432 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 13:06:44,432 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 13:06:44,433 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 13:06:44,433 INFO  L87              Difference]: Start difference. First operand 610 states and 679 transitions. Second operand 10 states.
[2020-09-25 13:06:44,991 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:46,583 WARN  L193               SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 13:06:46,884 WARN  L193               SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:47,259 WARN  L193               SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 13:06:48,235 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:48,601 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 13:06:48,956 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 13:06:49,302 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190