/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:59:03,278 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:59:03,282 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:59:03,326 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:59:03,328 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:59:03,339 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:59:03,340 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:59:03,343 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:59:03,346 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:59:03,348 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:59:03,350 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:59:03,352 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:59:03,353 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:59:03,356 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:59:03,357 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:59:03,360 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:59:03,362 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:59:03,363 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:59:03,365 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:59:03,371 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:59:03,372 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:59:03,375 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:59:03,376 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:59:03,377 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:59:03,382 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:59:03,382 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:59:03,382 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:59:03,385 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:59:03,386 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:59:03,388 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:59:03,388 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:59:03,389 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:59:03,390 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:59:03,390 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:59:03,392 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:59:03,392 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:59:03,392 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:59:03,393 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:59:03,393 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:59:03,394 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:59:03,395 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:59:03,396 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
[2020-09-24 16:59:03,446 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-24 16:59:03,446 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:59:03,448 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:59:03,449 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-24 16:59:03,449 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-24 16:59:03,449 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:59:03,449 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-24 16:59:03,450 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-24 16:59:03,450 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-24 16:59:03,450 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-24 16:59:03,451 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:59:03,451 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:59:03,452 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:59:03,452 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-24 16:59:03,452 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-24 16:59:03,453 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-24 16:59:03,453 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:59:03,453 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:59:03,453 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-24 16:59:03,454 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-24 16:59:03,454 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-24 16:59:03,454 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:59:03,454 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:59:03,454 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:59:03,455 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:59:03,455 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-24 16:59:03,455 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:59:03,455 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:59:03,455 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-24 16:59:03,456 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;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;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;log-additional-information=true;
[2020-09-24 16:59:03,893 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:59:03,919 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:59:03,924 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:59:03,925 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-24 16:59:03,926 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-24 16:59:03,928 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c
[2020-09-24 16:59:04,022 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df689ea26/d6aade9a42a04dfd96bf733f0fe79f06/FLAG08ba6355c
[2020-09-24 16:59:04,714 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-24 16:59:04,715 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c
[2020-09-24 16:59:04,731 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df689ea26/d6aade9a42a04dfd96bf733f0fe79f06/FLAG08ba6355c
[2020-09-24 16:59:04,905 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df689ea26/d6aade9a42a04dfd96bf733f0fe79f06
[2020-09-24 16:59:04,919 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:59:04,925 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:59:04,926 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:59:04,927 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:59:04,931 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:59:04,932 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:59:04" (1/1) ...
[2020-09-24 16:59:04,936 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 24.09 04:59:04, skipping insertion in model container
[2020-09-24 16:59:04,937 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:59:04" (1/1) ...
[2020-09-24 16:59:04,946 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-24 16:59:05,027 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:59:05,373 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:59:05,400 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-24 16:59:05,622 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:59:05,662 INFO  L208         MainTranslator]: Completed translation
[2020-09-24 16:59:05,662 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05 WrapperNode
[2020-09-24 16:59:05,663 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:59:05,663 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:59:05,664 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:59:05,664 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:59:05,680 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (1/1) ...
[2020-09-24 16:59:05,681 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (1/1) ...
[2020-09-24 16:59:05,702 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (1/1) ...
[2020-09-24 16:59:05,703 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (1/1) ...
[2020-09-24 16:59:05,741 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (1/1) ...
[2020-09-24 16:59:05,756 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (1/1) ...
[2020-09-24 16:59:05,764 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (1/1) ...
[2020-09-24 16:59:05,777 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:59:05,777 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:59:05,778 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:59:05,778 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:59:05,779 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (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
[2020-09-24 16:59:05,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:59:05,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:59:05,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-24 16:59:05,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-24 16:59:05,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-24 16:59:05,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-24 16:59:05,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-24 16:59:05,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-24 16:59:05,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-24 16:59:05,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-24 16:59:05,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-24 16:59:05,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-24 16:59:05,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2020-09-24 16:59:05,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-24 16:59:05,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-24 16:59:05,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-24 16:59:05,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-24 16:59:05,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-24 16:59:05,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-24 16:59:05,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-24 16:59:05,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-24 16:59:05,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-24 16:59:05,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-24 16:59:05,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-24 16:59:05,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-24 16:59:05,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-09-24 16:59:05,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-09-24 16:59:05,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-09-24 16:59:05,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-09-24 16:59:05,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-24 16:59:05,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-24 16:59:05,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-09-24 16:59:05,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-24 16:59:05,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:59:05,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-24 16:59:05,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-24 16:59:05,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-24 16:59:05,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-24 16:59:05,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-24 16:59:05,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-24 16:59:05,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-24 16:59:05,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-24 16:59:05,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-24 16:59:05,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:59:05,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:59:05,903 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-09-24 16:59:05,903 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-24 16:59:05,903 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 16:59:05,903 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-24 16:59:05,903 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-24 16:59:05,903 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 16:59:05,904 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 16:59:05,904 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 16:59:05,904 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 16:59:05,905 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-24 16:59:05,905 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 16:59:05,905 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-24 16:59:05,906 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-24 16:59:05,906 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 16:59:05,906 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-24 16:59:05,906 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-24 16:59:05,906 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 16:59:05,907 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-24 16:59:05,907 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-24 16:59:05,907 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-24 16:59:05,907 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-24 16:59:05,907 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-24 16:59:05,907 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-24 16:59:05,908 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-24 16:59:05,908 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-24 16:59:05,908 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-24 16:59:05,909 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-24 16:59:05,909 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-09-24 16:59:05,910 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-09-24 16:59:05,911 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-09-24 16:59:05,911 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-24 16:59:05,911 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-24 16:59:05,911 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-24 16:59:05,911 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-24 16:59:05,911 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-24 16:59:05,912 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2020-09-24 16:59:05,912 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-24 16:59:05,912 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-09-24 16:59:05,913 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-09-24 16:59:05,913 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-24 16:59:05,913 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-24 16:59:05,913 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-24 16:59:05,913 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-09-24 16:59:05,914 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-09-24 16:59:05,915 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:59:05,915 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:59:05,915 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 16:59:05,915 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:59:07,164 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:59:07,165 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-24 16:59:07,173 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:59:07 BoogieIcfgContainer
[2020-09-24 16:59:07,173 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:59:07,174 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:59:07,175 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:59:07,178 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:59:07,179 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:59:04" (1/3) ...
[2020-09-24 16:59:07,180 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58247966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:59:07, skipping insertion in model container
[2020-09-24 16:59:07,180 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:59:05" (2/3) ...
[2020-09-24 16:59:07,180 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58247966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:59:07, skipping insertion in model container
[2020-09-24 16:59:07,180 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:59:07" (3/3) ...
[2020-09-24 16:59:07,183 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c
[2020-09-24 16:59:07,195 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:59:07,207 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:59:07,231 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:59:07,263 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:59:07,263 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-24 16:59:07,263 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:59:07,263 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:59:07,263 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:59:07,263 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-24 16:59:07,264 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:59:07,264 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:59:07,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 350 states.
[2020-09-24 16:59:07,316 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-09-24 16:59:07,317 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 16:59:07,318 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:59:07,319 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:59:07,328 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:59:07,332 INFO  L82        PathProgramCache]: Analyzing trace with hash -1827526995, now seen corresponding path program 1 times
[2020-09-24 16:59:07,343 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:59:07,343 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864433766]
[2020-09-24 16:59:07,344 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:59:07,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:07,889 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:08,092 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:08,596 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:08,792 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:10,486 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:21,001 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:21,001 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 197
[2020-09-24 16:59:21,002 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-24 16:59:21,002 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13246
[2020-09-24 16:59:21,003 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:21,004 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:21,004 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-24 16:59:21,004 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 84
[2020-09-24 16:59:21,004 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 16:59:21,475 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 16:59:21,481 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:59:21,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:21,589 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:21,813 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:21,814 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-24 16:59:21,814 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:21,814 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 272
[2020-09-24 16:59:21,815 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:21,815 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:21,815 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:21,815 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-24 16:59:21,815 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:21,902 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-24 16:59:21,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:21,905 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:21,908 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:21,909 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:59:21,909 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:21,909 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 16:59:21,909 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:21,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:21,910 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:21,910 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 16:59:21,910 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:21,914 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-24 16:59:21,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:21,918 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:21,932 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:21,937 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:59:21,937 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:21,937 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-24 16:59:21,938 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:21,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:21,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:21,938 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 16:59:21,939 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:21,940 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-24 16:59:21,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:21,946 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:21,954 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:21,955 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:59:21,955 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:21,955 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-24 16:59:21,956 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:21,956 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:21,956 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:21,956 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 16:59:21,956 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:21,959 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-24 16:59:21,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:21,961 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:21,964 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:21,964 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:59:21,965 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:21,965 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:59:21,965 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:21,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:21,965 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:21,966 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 16:59:21,966 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:21,978 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-24 16:59:21,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:21,981 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:21,984 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:21,985 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 16:59:21,985 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:21,985 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 16:59:21,986 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:21,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:21,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:21,986 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-24 16:59:21,987 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:21,991 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-24 16:59:21,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:21,998 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:22,001 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:22,002 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-24 16:59:22,002 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:22,002 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 16:59:22,002 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:22,003 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:59:22,003 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:22,003 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 16:59:22,003 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:22,009 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:59:22,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:22,011 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:22,012 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:22,012 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:59:22,013 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:22,013 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:59:22,013 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:22,013 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:22,014 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:22,014 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:22,014 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:22,016 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-24 16:59:22,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:22,020 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:22,021 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:22,021 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:59:22,022 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:22,022 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:59:22,022 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:22,022 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:22,022 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 16:59:22,024 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:22,027 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-24 16:59:22,029 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-24 16:59:22,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:22,031 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:22,033 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:22,033 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:59:22,033 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:22,033 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:59:22,034 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:22,034 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:22,034 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 16:59:22,034 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:22,034 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:22,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-09-24 16:59:22,077 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864433766]
[2020-09-24 16:59:22,080 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:59:22,080 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:59:22,082 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803800015]
[2020-09-24 16:59:22,091 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:59:22,091 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:59:22,107 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:59:22,108 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:59:22,110 INFO  L87              Difference]: Start difference. First operand 350 states. Second operand 5 states.
[2020-09-24 16:59:22,758 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-24 16:59:24,090 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:59:24,091 INFO  L93              Difference]: Finished difference Result 559 states and 654 transitions.
[2020-09-24 16:59:24,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-24 16:59:24,095 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 160
[2020-09-24 16:59:24,096 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:59:24,115 INFO  L225             Difference]: With dead ends: 559
[2020-09-24 16:59:24,115 INFO  L226             Difference]: Without dead ends: 345
[2020-09-24 16:59:24,121 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:59:24,142 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 345 states.
[2020-09-24 16:59:24,265 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299.
[2020-09-24 16:59:24,267 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 299 states.
[2020-09-24 16:59:24,272 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions.
[2020-09-24 16:59:24,276 INFO  L78                 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 160
[2020-09-24 16:59:24,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:59:24,279 INFO  L479      AbstractCegarLoop]: Abstraction has 299 states and 326 transitions.
[2020-09-24 16:59:24,279 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:59:24,279 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions.
[2020-09-24 16:59:24,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2020-09-24 16:59:24,294 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 16:59:24,294 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:59:24,295 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:59:24,295 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:59:24,295 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:59:24,295 INFO  L82        PathProgramCache]: Analyzing trace with hash 1465087076, now seen corresponding path program 1 times
[2020-09-24 16:59:24,296 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:59:24,296 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633624635]
[2020-09-24 16:59:24,296 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:59:24,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:24,404 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:24,503 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:24,700 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:25,270 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:25,743 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:30,627 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:30,807 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:30,908 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:31,704 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:34,935 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:39,635 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:51,778 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:51,779 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 224
[2020-09-24 16:59:51,779 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 11
[2020-09-24 16:59:51,779 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 27425
[2020-09-24 16:59:51,779 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:51,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-24 16:59:51,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 162
[2020-09-24 16:59:51,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-24 16:59:51,780 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,172 WARN  L193               SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 16:59:52,173 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:59:52,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,191 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,284 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,284 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-24 16:59:52,284 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,284 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 101
[2020-09-24 16:59:52,285 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,285 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,285 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,317 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-09-24 16:59:52,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,319 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,320 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,320 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:59:52,320 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,320 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:59:52,321 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,321 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,321 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,321 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,321 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,322 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2020-09-24 16:59:52,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,324 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,325 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,325 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:59:52,325 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,325 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:59:52,326 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,326 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,326 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,326 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,326 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,327 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-24 16:59:52,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,329 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,332 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,332 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:59:52,332 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,333 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:59:52,333 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,333 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,333 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,333 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,334 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,335 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-24 16:59:52,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,337 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,338 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,338 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:59:52,338 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,338 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:59:52,338 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,339 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,339 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,339 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,339 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,348 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-09-24 16:59:52,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,350 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,351 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,352 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 16:59:52,352 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,352 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:59:52,352 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,353 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,354 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-24 16:59:52,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,357 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,358 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,358 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-24 16:59:52,358 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,358 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:59:52,359 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,359 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,359 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,359 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,359 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,361 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:59:52,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,363 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 16:59:52,364 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:59:52,364 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:59:52,365 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:59:52,365 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:59:52,365 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 16:59:52,365 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:59:52,365 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:59:52,366 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:59:52,366 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:59:52,389 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-24 16:59:52,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:59:52,395 FATAL L256   erpolLogProxyWrapper]: Now shrinking...