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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 21:22:52,839 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 21:22:52,842 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 21:22:52,861 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 21:22:52,861 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 21:22:52,863 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 21:22:52,865 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 21:22:52,874 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 21:22:52,878 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 21:22:52,882 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 21:22:52,883 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 21:22:52,885 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 21:22:52,885 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 21:22:52,887 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 21:22:52,890 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 21:22:52,891 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 21:22:52,891 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 21:22:52,893 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 21:22:52,895 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 21:22:52,900 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 21:22:52,905 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 21:22:52,908 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 21:22:52,911 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 21:22:52,912 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 21:22:52,914 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 21:22:52,914 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 21:22:52,914 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 21:22:52,916 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 21:22:52,918 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 21:22:52,919 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 21:22:52,919 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 21:22:52,920 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 21:22:52,921 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 21:22:52,922 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 21:22:52,923 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 21:22:52,923 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 21:22:52,925 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 21:22:52,927 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 21:22:52,928 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 21:22:52,961 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 21:22:52,961 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 21:22:52,966 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 21:22:52,966 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 21:22:52,966 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 21:22:52,966 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 21:22:52,967 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 21:22:52,967 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 21:22:52,967 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 21:22:52,967 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 21:22:52,967 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 21:22:52,968 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 21:22:52,968 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 21:22:52,968 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 21:22:52,970 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 21:22:52,971 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 21:22:52,971 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 21:22:52,971 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 21:22:52,971 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 21:22:52,971 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 21:22:52,972 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 21:22:52,972 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:22:52,972 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 21:22:52,972 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 21:22:52,972 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 21:22:52,973 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 21:22:52,973 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 21:22:52,973 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 21:22:52,973 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES
[2019-10-13 21:22:53,279 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 21:22:53,293 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 21:22:53,296 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 21:22:53,298 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 21:22:53,298 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 21:22:53,299 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c
[2019-10-13 21:22:53,362 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65d733ee/cab26f9d8fbd421a8b54ca887a795690/FLAG124631635
[2019-10-13 21:22:53,926 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 21:22:53,930 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c
[2019-10-13 21:22:53,949 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65d733ee/cab26f9d8fbd421a8b54ca887a795690/FLAG124631635
[2019-10-13 21:22:54,211 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65d733ee/cab26f9d8fbd421a8b54ca887a795690
[2019-10-13 21:22:54,222 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 21:22:54,223 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 21:22:54,224 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 21:22:54,224 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 21:22:54,238 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 21:22:54,239 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:54,242 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640928e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54, skipping insertion in model container
[2019-10-13 21:22:54,243 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:54,251 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 21:22:54,319 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 21:22:54,766 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:22:54,797 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 21:22:54,875 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:22:54,909 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 21:22:54,909 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54 WrapperNode
[2019-10-13 21:22:54,909 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 21:22:54,910 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 21:22:54,910 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 21:22:54,910 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 21:22:54,925 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:54,925 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:54,945 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:54,945 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:54,987 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:54,997 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:55,002 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
[2019-10-13 21:22:55,009 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 21:22:55,010 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 21:22:55,010 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 21:22:55,010 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 21:22:55,011 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2019-10-13 21:22:55,084 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 21:22:55,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 21:22:55,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-10-13 21:22:55,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-10-13 21:22:55,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-10-13 21:22:55,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-10-13 21:22:55,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-10-13 21:22:55,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-10-13 21:22:55,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-10-13 21:22:55,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2019-10-13 21:22:55,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-10-13 21:22:55,086 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-10-13 21:22:55,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-10-13 21:22:55,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2019-10-13 21:22:55,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2019-10-13 21:22:55,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-10-13 21:22:55,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-10-13 21:22:55,089 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-10-13 21:22:55,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-10-13 21:22:55,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-10-13 21:22:55,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-10-13 21:22:55,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2019-10-13 21:22:55,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-10-13 21:22:55,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2019-10-13 21:22:55,090 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2019-10-13 21:22:55,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-10-13 21:22:55,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-10-13 21:22:55,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-10-13 21:22:55,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-10-13 21:22:55,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-10-13 21:22:55,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-10-13 21:22:55,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2019-10-13 21:22:55,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2019-10-13 21:22:55,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2019-10-13 21:22:55,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-10-13 21:22:55,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-10-13 21:22:55,092 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-10-13 21:22:55,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-10-13 21:22:55,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-10-13 21:22:55,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-10-13 21:22:55,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-10-13 21:22:55,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-10-13 21:22:55,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-10-13 21:22:55,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-10-13 21:22:55,094 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 21:22:55,094 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 21:22:55,094 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 21:22:55,094 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-10-13 21:22:55,094 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-10-13 21:22:55,094 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-10-13 21:22:55,095 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-10-13 21:22:55,095 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-10-13 21:22:55,095 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-10-13 21:22:55,095 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-10-13 21:22:55,095 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2019-10-13 21:22:55,095 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-10-13 21:22:55,096 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 21:22:55,096 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-10-13 21:22:55,096 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-10-13 21:22:55,096 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-10-13 21:22:55,096 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-10-13 21:22:55,096 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-10-13 21:22:55,097 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2019-10-13 21:22:55,097 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2019-10-13 21:22:55,097 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2019-10-13 21:22:55,097 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2019-10-13 21:22:55,097 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-10-13 21:22:55,097 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-10-13 21:22:55,097 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2019-10-13 21:22:55,098 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2019-10-13 21:22:55,098 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-10-13 21:22:55,098 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2019-10-13 21:22:55,098 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-10-13 21:22:55,098 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-10-13 21:22:55,098 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-10-13 21:22:55,099 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-10-13 21:22:55,099 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-10-13 21:22:55,099 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-10-13 21:22:55,099 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-10-13 21:22:55,099 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-10-13 21:22:55,099 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2019-10-13 21:22:55,099 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-10-13 21:22:55,100 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 21:22:55,100 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 21:22:55,100 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-10-13 21:22:55,100 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-13 21:22:55,100 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 21:22:55,100 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 21:22:55,101 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 21:22:55,101 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-10-13 21:22:55,101 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 21:22:55,101 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-10-13 21:22:55,101 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-10-13 21:22:55,101 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 21:22:55,102 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-10-13 21:22:55,102 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-10-13 21:22:55,102 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-10-13 21:22:55,102 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-10-13 21:22:55,102 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-10-13 21:22:55,102 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-10-13 21:22:55,102 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 21:22:55,103 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 21:22:55,103 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 21:22:55,103 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 21:22:56,356 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 21:22:56,356 INFO  L284             CfgBuilder]: Removed 5 assume(true) statements.
[2019-10-13 21:22:56,358 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:56 BoogieIcfgContainer
[2019-10-13 21:22:56,358 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 21:22:56,359 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 21:22:56,359 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 21:22:56,363 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 21:22:56,363 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:54" (1/3) ...
[2019-10-13 21:22:56,364 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ec79f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:56, skipping insertion in model container
[2019-10-13 21:22:56,364 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (2/3) ...
[2019-10-13 21:22:56,365 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ec79f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:56, skipping insertion in model container
[2019-10-13 21:22:56,365 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:56" (3/3) ...
[2019-10-13 21:22:56,367 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c
[2019-10-13 21:22:56,377 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 21:22:56,386 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 21:22:56,398 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 21:22:56,428 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 21:22:56,429 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 21:22:56,429 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 21:22:56,429 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 21:22:56,429 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 21:22:56,429 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 21:22:56,430 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 21:22:56,430 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 21:22:56,454 INFO  L276                IsEmpty]: Start isEmpty. Operand 209 states.
[2019-10-13 21:22:56,464 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2019-10-13 21:22:56,465 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:22:56,466 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:22:56,468 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:56,474 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:56,474 INFO  L82        PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times
[2019-10-13 21:22:56,484 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:56,484 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287269036]
[2019-10-13 21:22:56,485 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:56,485 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:56,485 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:56,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:56,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:56,806 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287269036]
[2019-10-13 21:22:56,807 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:56,808 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-10-13 21:22:56,808 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887110087]
[2019-10-13 21:22:56,814 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 21:22:56,816 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:56,831 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 21:22:56,832 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:22:56,835 INFO  L87              Difference]: Start difference. First operand 209 states. Second operand 2 states.
[2019-10-13 21:22:56,886 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:56,886 INFO  L93              Difference]: Finished difference Result 328 states and 405 transitions.
[2019-10-13 21:22:56,886 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2019-10-13 21:22:56,888 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2019-10-13 21:22:56,888 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:56,903 INFO  L225             Difference]: With dead ends: 328
[2019-10-13 21:22:56,904 INFO  L226             Difference]: Without dead ends: 166
[2019-10-13 21:22:56,909 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:22:56,929 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2019-10-13 21:22:56,968 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166.
[2019-10-13 21:22:56,969 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 166 states.
[2019-10-13 21:22:56,973 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions.
[2019-10-13 21:22:56,975 INFO  L78                 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59
[2019-10-13 21:22:56,975 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:56,975 INFO  L462      AbstractCegarLoop]: Abstraction has 166 states and 196 transitions.
[2019-10-13 21:22:56,976 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 21:22:56,976 INFO  L276                IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions.
[2019-10-13 21:22:56,982 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2019-10-13 21:22:56,983 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:22:56,983 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:22:56,983 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:56,984 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:56,984 INFO  L82        PathProgramCache]: Analyzing trace with hash 2102602730, now seen corresponding path program 1 times
[2019-10-13 21:22:56,985 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:56,986 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497721510]
[2019-10-13 21:22:56,986 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:56,986 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:56,986 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:57,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:57,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:57,207 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497721510]
[2019-10-13 21:22:57,208 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:57,208 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 21:22:57,208 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922216429]
[2019-10-13 21:22:57,210 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 21:22:57,210 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:57,211 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 21:22:57,211 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 21:22:57,211 INFO  L87              Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 3 states.
[2019-10-13 21:22:57,252 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:57,253 INFO  L93              Difference]: Finished difference Result 267 states and 315 transitions.
[2019-10-13 21:22:57,258 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-10-13 21:22:57,259 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 60
[2019-10-13 21:22:57,259 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:57,262 INFO  L225             Difference]: With dead ends: 267
[2019-10-13 21:22:57,262 INFO  L226             Difference]: Without dead ends: 157
[2019-10-13 21:22:57,266 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 21:22:57,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2019-10-13 21:22:57,294 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157.
[2019-10-13 21:22:57,294 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 157 states.
[2019-10-13 21:22:57,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions.
[2019-10-13 21:22:57,299 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60
[2019-10-13 21:22:57,299 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:57,299 INFO  L462      AbstractCegarLoop]: Abstraction has 157 states and 184 transitions.
[2019-10-13 21:22:57,299 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 21:22:57,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions.
[2019-10-13 21:22:57,305 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2019-10-13 21:22:57,305 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:22:57,309 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:22:57,309 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:57,309 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:57,310 INFO  L82        PathProgramCache]: Analyzing trace with hash -1388581610, now seen corresponding path program 1 times
[2019-10-13 21:22:57,310 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:57,312 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370309571]
[2019-10-13 21:22:57,312 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:57,312 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:57,313 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:57,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:57,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:57,521 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370309571]
[2019-10-13 21:22:57,522 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:57,522 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 21:22:57,522 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495646591]
[2019-10-13 21:22:57,524 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 21:22:57,524 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:57,525 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 21:22:57,525 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:22:57,525 INFO  L87              Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 7 states.
[2019-10-13 21:22:58,148 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:58,149 INFO  L93              Difference]: Finished difference Result 471 states and 572 transitions.
[2019-10-13 21:22:58,149 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-10-13 21:22:58,150 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 65
[2019-10-13 21:22:58,150 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:58,154 INFO  L225             Difference]: With dead ends: 471
[2019-10-13 21:22:58,155 INFO  L226             Difference]: Without dead ends: 342
[2019-10-13 21:22:58,157 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2019-10-13 21:22:58,158 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 342 states.
[2019-10-13 21:22:58,199 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 330.
[2019-10-13 21:22:58,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 330 states.
[2019-10-13 21:22:58,202 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 400 transitions.
[2019-10-13 21:22:58,203 INFO  L78                 Accepts]: Start accepts. Automaton has 330 states and 400 transitions. Word has length 65
[2019-10-13 21:22:58,203 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:58,203 INFO  L462      AbstractCegarLoop]: Abstraction has 330 states and 400 transitions.
[2019-10-13 21:22:58,203 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 21:22:58,203 INFO  L276                IsEmpty]: Start isEmpty. Operand 330 states and 400 transitions.
[2019-10-13 21:22:58,207 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2019-10-13 21:22:58,207 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:22:58,208 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:22:58,208 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:58,208 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:58,208 INFO  L82        PathProgramCache]: Analyzing trace with hash -262157671, now seen corresponding path program 1 times
[2019-10-13 21:22:58,209 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:58,209 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791125351]
[2019-10-13 21:22:58,209 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:58,209 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:58,210 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:58,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:58,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-13 21:22:58,378 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791125351]
[2019-10-13 21:22:58,379 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:58,379 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 21:22:58,379 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945811924]
[2019-10-13 21:22:58,380 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 21:22:58,380 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:58,383 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 21:22:58,384 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:22:58,384 INFO  L87              Difference]: Start difference. First operand 330 states and 400 transitions. Second operand 7 states.
[2019-10-13 21:22:59,236 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:59,236 INFO  L93              Difference]: Finished difference Result 832 states and 1080 transitions.
[2019-10-13 21:22:59,237 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2019-10-13 21:22:59,237 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 70
[2019-10-13 21:22:59,238 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:59,242 INFO  L225             Difference]: With dead ends: 832
[2019-10-13 21:22:59,243 INFO  L226             Difference]: Without dead ends: 530
[2019-10-13 21:22:59,245 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2019-10-13 21:22:59,246 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 530 states.
[2019-10-13 21:22:59,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 476.
[2019-10-13 21:22:59,318 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 476 states.
[2019-10-13 21:22:59,324 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 573 transitions.
[2019-10-13 21:22:59,325 INFO  L78                 Accepts]: Start accepts. Automaton has 476 states and 573 transitions. Word has length 70
[2019-10-13 21:22:59,327 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:59,327 INFO  L462      AbstractCegarLoop]: Abstraction has 476 states and 573 transitions.
[2019-10-13 21:22:59,328 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 21:22:59,328 INFO  L276                IsEmpty]: Start isEmpty. Operand 476 states and 573 transitions.
[2019-10-13 21:22:59,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2019-10-13 21:22:59,332 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:22:59,332 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:22:59,332 INFO  L410      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:59,332 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:59,333 INFO  L82        PathProgramCache]: Analyzing trace with hash -1621424268, now seen corresponding path program 1 times
[2019-10-13 21:22:59,333 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:59,333 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812814935]
[2019-10-13 21:22:59,333 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:59,334 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:59,334 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:59,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:59,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:59,423 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812814935]
[2019-10-13 21:22:59,423 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:59,423 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-10-13 21:22:59,424 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272392330]
[2019-10-13 21:22:59,424 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-13 21:22:59,424 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:59,425 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-13 21:22:59,425 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-10-13 21:22:59,425 INFO  L87              Difference]: Start difference. First operand 476 states and 573 transitions. Second operand 6 states.
[2019-10-13 21:22:59,498 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:59,498 INFO  L93              Difference]: Finished difference Result 934 states and 1147 transitions.
[2019-10-13 21:22:59,498 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-10-13 21:22:59,498 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 98
[2019-10-13 21:22:59,500 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:59,505 INFO  L225             Difference]: With dead ends: 934
[2019-10-13 21:22:59,505 INFO  L226             Difference]: Without dead ends: 486
[2019-10-13 21:22:59,508 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:22:59,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 486 states.
[2019-10-13 21:22:59,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486.
[2019-10-13 21:22:59,554 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 486 states.
[2019-10-13 21:22:59,559 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions.
[2019-10-13 21:22:59,561 INFO  L78                 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 98
[2019-10-13 21:22:59,561 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:59,561 INFO  L462      AbstractCegarLoop]: Abstraction has 486 states and 583 transitions.
[2019-10-13 21:22:59,562 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-13 21:22:59,562 INFO  L276                IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions.
[2019-10-13 21:22:59,567 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2019-10-13 21:22:59,568 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:22:59,568 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:22:59,568 INFO  L410      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:59,568 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:59,569 INFO  L82        PathProgramCache]: Analyzing trace with hash -1693810826, now seen corresponding path program 1 times
[2019-10-13 21:22:59,569 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:59,569 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000099613]
[2019-10-13 21:22:59,569 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:59,570 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:59,570 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:59,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:59,689 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:59,690 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000099613]
[2019-10-13 21:22:59,690 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:59,690 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-10-13 21:22:59,690 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526762066]
[2019-10-13 21:22:59,691 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-10-13 21:22:59,691 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:59,691 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-10-13 21:22:59,692 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-10-13 21:22:59,692 INFO  L87              Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 8 states.
[2019-10-13 21:22:59,776 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:59,776 INFO  L93              Difference]: Finished difference Result 958 states and 1190 transitions.
[2019-10-13 21:22:59,777 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-10-13 21:22:59,777 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 98
[2019-10-13 21:22:59,778 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:59,781 INFO  L225             Difference]: With dead ends: 958
[2019-10-13 21:22:59,782 INFO  L226             Difference]: Without dead ends: 500
[2019-10-13 21:22:59,783 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-10-13 21:22:59,784 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 500 states.
[2019-10-13 21:22:59,814 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 494.
[2019-10-13 21:22:59,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 494 states.
[2019-10-13 21:22:59,818 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 591 transitions.
[2019-10-13 21:22:59,818 INFO  L78                 Accepts]: Start accepts. Automaton has 494 states and 591 transitions. Word has length 98
[2019-10-13 21:22:59,819 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:59,819 INFO  L462      AbstractCegarLoop]: Abstraction has 494 states and 591 transitions.
[2019-10-13 21:22:59,819 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-10-13 21:22:59,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 494 states and 591 transitions.
[2019-10-13 21:22:59,821 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2019-10-13 21:22:59,822 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:22:59,822 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:22:59,822 INFO  L410      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:59,822 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:59,823 INFO  L82        PathProgramCache]: Analyzing trace with hash -1364045065, now seen corresponding path program 1 times
[2019-10-13 21:22:59,823 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:59,823 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773547454]
[2019-10-13 21:22:59,823 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:59,824 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:59,824 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:59,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:59,903 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:59,904 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773547454]
[2019-10-13 21:22:59,904 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:59,904 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 21:22:59,904 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058116865]
[2019-10-13 21:22:59,905 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 21:22:59,905 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:59,905 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 21:22:59,906 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:22:59,906 INFO  L87              Difference]: Start difference. First operand 494 states and 591 transitions. Second operand 4 states.
[2019-10-13 21:23:00,196 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:23:00,197 INFO  L93              Difference]: Finished difference Result 1578 states and 1976 transitions.
[2019-10-13 21:23:00,197 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-10-13 21:23:00,197 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 98
[2019-10-13 21:23:00,198 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:23:00,205 INFO  L225             Difference]: With dead ends: 1578
[2019-10-13 21:23:00,206 INFO  L226             Difference]: Without dead ends: 1112
[2019-10-13 21:23:00,208 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:23:00,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1112 states.
[2019-10-13 21:23:00,292 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1095.
[2019-10-13 21:23:00,293 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1095 states.
[2019-10-13 21:23:00,299 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1344 transitions.
[2019-10-13 21:23:00,300 INFO  L78                 Accepts]: Start accepts. Automaton has 1095 states and 1344 transitions. Word has length 98
[2019-10-13 21:23:00,300 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:23:00,300 INFO  L462      AbstractCegarLoop]: Abstraction has 1095 states and 1344 transitions.
[2019-10-13 21:23:00,300 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 21:23:00,301 INFO  L276                IsEmpty]: Start isEmpty. Operand 1095 states and 1344 transitions.
[2019-10-13 21:23:00,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2019-10-13 21:23:00,304 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:23:00,304 INFO  L380         BasicCegarLoop]: trace histogram [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]
[2019-10-13 21:23:00,304 INFO  L410      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:23:00,305 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:23:00,305 INFO  L82        PathProgramCache]: Analyzing trace with hash 884836017, now seen corresponding path program 1 times
[2019-10-13 21:23:00,305 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:23:00,305 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935137404]
[2019-10-13 21:23:00,305 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:23:00,306 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:23:00,306 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:23:00,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:23:00,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:23:00,517 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935137404]
[2019-10-13 21:23:00,517 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:23:00,518 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-10-13 21:23:00,518 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901212385]
[2019-10-13 21:23:00,520 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-10-13 21:23:00,520 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:23:00,521 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-10-13 21:23:00,521 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-10-13 21:23:00,521 INFO  L87              Difference]: Start difference. First operand 1095 states and 1344 transitions. Second operand 9 states.
[2019-10-13 21:23:02,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:23:02,033 INFO  L93              Difference]: Finished difference Result 2982 states and 3828 transitions.
[2019-10-13 21:23:02,034 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2019-10-13 21:23:02,034 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 102
[2019-10-13 21:23:02,034 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:23:02,048 INFO  L225             Difference]: With dead ends: 2982
[2019-10-13 21:23:02,048 INFO  L226             Difference]: Without dead ends: 2111
[2019-10-13 21:23:02,052 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342
[2019-10-13 21:23:02,055 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2111 states.
[2019-10-13 21:23:02,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1872.
[2019-10-13 21:23:02,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1872 states.
[2019-10-13 21:23:02,183 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2259 transitions.
[2019-10-13 21:23:02,184 INFO  L78                 Accepts]: Start accepts. Automaton has 1872 states and 2259 transitions. Word has length 102
[2019-10-13 21:23:02,184 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:23:02,184 INFO  L462      AbstractCegarLoop]: Abstraction has 1872 states and 2259 transitions.
[2019-10-13 21:23:02,185 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-10-13 21:23:02,185 INFO  L276                IsEmpty]: Start isEmpty. Operand 1872 states and 2259 transitions.
[2019-10-13 21:23:02,189 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2019-10-13 21:23:02,189 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 21:23:02,190 INFO  L380         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2019-10-13 21:23:02,190 INFO  L410      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:23:02,190 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:23:02,190 INFO  L82        PathProgramCache]: Analyzing trace with hash 1627137653, now seen corresponding path program 1 times
[2019-10-13 21:23:02,191 INFO  L157   tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:23:02,191 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537616972]
[2019-10-13 21:23:02,191 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:23:02,191 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:23:02,191 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:23:02,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:23:02,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2019-10-13 21:23:02,366 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537616972]
[2019-10-13 21:23:02,366 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214777078]
[2019-10-13 21:23:02,366 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:23:02,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:23:02,634 INFO  L256         TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 8 conjunts are in the unsatisfiable core
[2019-10-13 21:23:02,668 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 21:23:02,983 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:23:02,984 INFO  L321         TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 21:23:03,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2019-10-13 21:23:03,607 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [534328702]
[2019-10-13 21:23:03,616 INFO  L211      CegarAbsIntRunner]: Running AI on error trace of length 181
[2019-10-13 21:23:03,691 INFO  L148    AbstractInterpreter]: Using domain IntervalDomain
[2019-10-13 21:23:03,691 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-13 21:23:03,805 INFO  L266    AbstractInterpreter]: Error location(s) were unreachable
[2019-10-13 21:23:03,807 INFO  L272    AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables.
[2019-10-13 21:23:03,814 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:23:03,814 INFO  L536   sIntCurrentIteration]: Generating AbsInt predicates
[2019-10-13 21:23:03,941 INFO  L219   lantSequenceWeakener]: Could never weaken!
[2019-10-13 21:23:03,941 INFO  L551   sIntCurrentIteration]: Unifying AI predicates
[2019-10-13 21:23:03,952 INFO  L553   sIntCurrentIteration]: We unified 179 AI predicates to 179
[2019-10-13 21:23:03,952 INFO  L562   sIntCurrentIteration]: Finished generation of AbsInt predicates
[2019-10-13 21:23:03,953 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences.
[2019-10-13 21:23:03,953 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19
[2019-10-13 21:23:03,954 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343708603]
[2019-10-13 21:23:03,956 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 21:23:03,956 INFO  L137   tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:23:03,957 INFO  L124   tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy
[2019-10-13 21:23:03,957 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 21:23:03,957 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:23:03,958 INFO  L87              Difference]: Start difference. First operand 1872 states and 2259 transitions. Second operand 2 states.
[2019-10-13 21:23:03,992 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:23:03,993 INFO  L93              Difference]: Finished difference Result 1872 states and 2259 transitions.
[2019-10-13 21:23:03,993 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2019-10-13 21:23:03,993 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 180
[2019-10-13 21:23:03,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:23:03,994 INFO  L225             Difference]: With dead ends: 1872
[2019-10-13 21:23:03,994 INFO  L226             Difference]: Without dead ends: 0
[2019-10-13 21:23:04,002 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:23:04,002 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 21:23:04,002 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 21:23:04,003 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 21:23:04,003 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 21:23:04,004 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180
[2019-10-13 21:23:04,004 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:23:04,004 INFO  L462      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 21:23:04,004 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 21:23:04,004 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 21:23:04,005 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 21:23:04,220 WARN  L499      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:23:04,228 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 21:23:04,862 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_freeFINAL(lines 627 682)  no Hoare annotation was computed.
[2019-10-13 21:23:04,863 INFO  L443   ceAbstractionStarter]: For program point  L658(lines 658 662)  no Hoare annotation was computed.
[2019-10-13 21:23:04,863 INFO  L443   ceAbstractionStarter]: For program point  L658-1(lines 658 662)  no Hoare annotation was computed.
[2019-10-13 21:23:04,863 INFO  L443   ceAbstractionStarter]: For program point  L653(line 653)  no Hoare annotation was computed.
[2019-10-13 21:23:04,863 INFO  L443   ceAbstractionStarter]: For program point  L652-2(lines 652 673)  no Hoare annotation was computed.
[2019-10-13 21:23:04,864 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_freeEXIT(lines 627 682)  no Hoare annotation was computed.
[2019-10-13 21:23:04,864 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_freeENTRY(lines 627 682)  no Hoare annotation was computed.
[2019-10-13 21:23:04,864 INFO  L443   ceAbstractionStarter]: For program point  L674(lines 651 675)  no Hoare annotation was computed.
[2019-10-13 21:23:04,864 INFO  L443   ceAbstractionStarter]: For program point  L735(lines 708 736)  no Hoare annotation was computed.
[2019-10-13 21:23:04,865 INFO  L443   ceAbstractionStarter]: For program point  L728(line 728)  no Hoare annotation was computed.
[2019-10-13 21:23:04,865 INFO  L443   ceAbstractionStarter]: For program point  L728-1(line 728)  no Hoare annotation was computed.
[2019-10-13 21:23:04,865 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_resetFINAL(lines 683 742)  no Hoare annotation was computed.
[2019-10-13 21:23:04,865 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_resetENTRY(lines 683 742)  no Hoare annotation was computed.
[2019-10-13 21:23:04,865 INFO  L443   ceAbstractionStarter]: For program point  L715(lines 715 719)  no Hoare annotation was computed.
[2019-10-13 21:23:04,865 INFO  L443   ceAbstractionStarter]: For program point  L715-1(lines 715 719)  no Hoare annotation was computed.
[2019-10-13 21:23:04,865 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_resetEXIT(lines 683 742)  no Hoare annotation was computed.
[2019-10-13 21:23:04,866 INFO  L443   ceAbstractionStarter]: For program point  L710(line 710)  no Hoare annotation was computed.
[2019-10-13 21:23:04,866 INFO  L443   ceAbstractionStarter]: For program point  L709-2(lines 709 734)  no Hoare annotation was computed.
[2019-10-13 21:23:04,866 INFO  L446   ceAbstractionStarter]: At program point  select_helpersFINAL(lines 500 506)  the Hoare annotation is:  true
[2019-10-13 21:23:04,866 INFO  L443   ceAbstractionStarter]: For program point  select_helpersEXIT(lines 500 506)  no Hoare annotation was computed.
[2019-10-13 21:23:04,866 INFO  L443   ceAbstractionStarter]: For program point  valid_productEXIT(lines 507 515)  no Hoare annotation was computed.
[2019-10-13 21:23:04,866 INFO  L446   ceAbstractionStarter]: At program point  valid_productENTRY(lines 507 515)  the Hoare annotation is:  true
[2019-10-13 21:23:04,867 INFO  L443   ceAbstractionStarter]: For program point  valid_productFINAL(lines 507 515)  no Hoare annotation was computed.
[2019-10-13 21:23:04,867 INFO  L446   ceAbstractionStarter]: At program point  __utac_acc__Specification5_spec__1ENTRY(lines 527 534)  the Hoare annotation is:  true
[2019-10-13 21:23:04,867 INFO  L443   ceAbstractionStarter]: For program point  __utac_acc__Specification5_spec__1EXIT(lines 527 534)  no Hoare annotation was computed.
[2019-10-13 21:23:04,867 INFO  L443   ceAbstractionStarter]: For program point  __utac_acc__Specification5_spec__1FINAL(lines 527 534)  no Hoare annotation was computed.
[2019-10-13 21:23:04,867 INFO  L446   ceAbstractionStarter]: At program point  __utac_acc__Specification5_spec__2ENTRY(lines 535 544)  the Hoare annotation is:  true
[2019-10-13 21:23:04,867 INFO  L443   ceAbstractionStarter]: For program point  L540(line 540)  no Hoare annotation was computed.
[2019-10-13 21:23:04,867 INFO  L443   ceAbstractionStarter]: For program point  __utac_acc__Specification5_spec__2EXIT(lines 535 544)  no Hoare annotation was computed.
[2019-10-13 21:23:04,867 INFO  L443   ceAbstractionStarter]: For program point  __utac_acc__Specification5_spec__2FINAL(lines 535 544)  no Hoare annotation was computed.
[2019-10-13 21:23:04,868 INFO  L446   ceAbstractionStarter]: At program point  __utac_acc__Specification5_spec__3ENTRY(lines 545 573)  the Hoare annotation is:  true
[2019-10-13 21:23:04,868 INFO  L446   ceAbstractionStarter]: At program point  L560(line 560)  the Hoare annotation is:  true
[2019-10-13 21:23:04,868 INFO  L443   ceAbstractionStarter]: For program point  L558(lines 558 564)  no Hoare annotation was computed.
[2019-10-13 21:23:04,868 INFO  L443   ceAbstractionStarter]: For program point  L557(lines 557 567)  no Hoare annotation was computed.
[2019-10-13 21:23:04,868 INFO  L443   ceAbstractionStarter]: For program point  __utac_acc__Specification5_spec__3EXIT(lines 545 573)  no Hoare annotation was computed.
[2019-10-13 21:23:04,868 INFO  L446   ceAbstractionStarter]: At program point  L555(line 555)  the Hoare annotation is:  true
[2019-10-13 21:23:04,869 INFO  L443   ceAbstractionStarter]: For program point  L555-1(line 555)  no Hoare annotation was computed.
[2019-10-13 21:23:04,869 INFO  L443   ceAbstractionStarter]: For program point  L553(lines 553 570)  no Hoare annotation was computed.
[2019-10-13 21:23:04,869 INFO  L443   ceAbstractionStarter]: For program point  L553-1(lines 545 573)  no Hoare annotation was computed.
[2019-10-13 21:23:04,869 INFO  L446   ceAbstractionStarter]: At program point  L551(line 551)  the Hoare annotation is:  true
[2019-10-13 21:23:04,869 INFO  L443   ceAbstractionStarter]: For program point  L551-1(line 551)  no Hoare annotation was computed.
[2019-10-13 21:23:04,869 INFO  L446   ceAbstractionStarter]: At program point  L1026-1(line 1026)  the Hoare annotation is:  true
[2019-10-13 21:23:04,869 INFO  L443   ceAbstractionStarter]: For program point  L1024(lines 1024 1031)  no Hoare annotation was computed.
[2019-10-13 21:23:04,869 INFO  L443   ceAbstractionStarter]: For program point  L1024-1(lines 1024 1031)  no Hoare annotation was computed.
[2019-10-13 21:23:04,870 INFO  L443   ceAbstractionStarter]: For program point  L1022(line 1022)  no Hoare annotation was computed.
[2019-10-13 21:23:04,870 INFO  L446   ceAbstractionStarter]: At program point  mainENTRY(lines 1014 1036)  the Hoare annotation is:  true
[2019-10-13 21:23:04,870 INFO  L446   ceAbstractionStarter]: At program point  L1021(line 1021)  the Hoare annotation is:  true
[2019-10-13 21:23:04,870 INFO  L446   ceAbstractionStarter]: At program point  L1020(line 1020)  the Hoare annotation is:  true
[2019-10-13 21:23:04,870 INFO  L446   ceAbstractionStarter]: At program point  L1020-1(line 1020)  the Hoare annotation is:  true
[2019-10-13 21:23:04,870 INFO  L443   ceAbstractionStarter]: For program point  mainEXIT(lines 1014 1036)  no Hoare annotation was computed.
[2019-10-13 21:23:04,870 INFO  L443   ceAbstractionStarter]: For program point  mainFINAL(lines 1014 1036)  no Hoare annotation was computed.
[2019-10-13 21:23:04,871 INFO  L446   ceAbstractionStarter]: At program point  L1026(line 1026)  the Hoare annotation is:  true
[2019-10-13 21:23:04,871 INFO  L443   ceAbstractionStarter]: For program point  Specification2EXIT(lines 972 995)  no Hoare annotation was computed.
[2019-10-13 21:23:04,871 INFO  L443   ceAbstractionStarter]: For program point  L990(line 990)  no Hoare annotation was computed.
[2019-10-13 21:23:04,871 INFO  L443   ceAbstractionStarter]: For program point  L989(line 989)  no Hoare annotation was computed.
[2019-10-13 21:23:04,871 INFO  L443   ceAbstractionStarter]: For program point  Specification2ENTRY(lines 972 995)  no Hoare annotation was computed.
[2019-10-13 21:23:04,872 INFO  L443   ceAbstractionStarter]: For program point  L988(line 988)  no Hoare annotation was computed.
[2019-10-13 21:23:04,872 INFO  L443   ceAbstractionStarter]: For program point  Specification2FINAL(lines 972 995)  no Hoare annotation was computed.
[2019-10-13 21:23:04,872 INFO  L443   ceAbstractionStarter]: For program point  L987(line 987)  no Hoare annotation was computed.
[2019-10-13 21:23:04,872 INFO  L443   ceAbstractionStarter]: For program point  L986(line 986)  no Hoare annotation was computed.
[2019-10-13 21:23:04,872 INFO  L443   ceAbstractionStarter]: For program point  L985(line 985)  no Hoare annotation was computed.
[2019-10-13 21:23:04,873 INFO  L443   ceAbstractionStarter]: For program point  L984(line 984)  no Hoare annotation was computed.
[2019-10-13 21:23:04,873 INFO  L443   ceAbstractionStarter]: For program point  L983(line 983)  no Hoare annotation was computed.
[2019-10-13 21:23:04,873 INFO  L443   ceAbstractionStarter]: For program point  L982(line 982)  no Hoare annotation was computed.
[2019-10-13 21:23:04,873 INFO  L443   ceAbstractionStarter]: For program point  L981(line 981)  no Hoare annotation was computed.
[2019-10-13 21:23:04,873 INFO  L443   ceAbstractionStarter]: For program point  L980(line 980)  no Hoare annotation was computed.
[2019-10-13 21:23:04,874 INFO  L443   ceAbstractionStarter]: For program point  L979(line 979)  no Hoare annotation was computed.
[2019-10-13 21:23:04,874 INFO  L443   ceAbstractionStarter]: For program point  L978(line 978)  no Hoare annotation was computed.
[2019-10-13 21:23:04,874 INFO  L443   ceAbstractionStarter]: For program point  L977(line 977)  no Hoare annotation was computed.
[2019-10-13 21:23:04,874 INFO  L443   ceAbstractionStarter]: For program point  stopSystemEXIT(lines 385 399)  no Hoare annotation was computed.
[2019-10-13 21:23:04,874 INFO  L446   ceAbstractionStarter]: At program point  L391(line 391)  the Hoare annotation is:  true
[2019-10-13 21:23:04,875 INFO  L446   ceAbstractionStarter]: At program point  stopSystemENTRY(lines 385 399)  the Hoare annotation is:  true
[2019-10-13 21:23:04,875 INFO  L443   ceAbstractionStarter]: For program point  L389(lines 389 395)  no Hoare annotation was computed.
[2019-10-13 21:23:04,875 INFO  L443   ceAbstractionStarter]: For program point  stopSystemFINAL(lines 385 399)  no Hoare annotation was computed.
[2019-10-13 21:23:04,875 INFO  L443   ceAbstractionStarter]: For program point  isPumpRunningEXIT(lines 302 310)  no Hoare annotation was computed.
[2019-10-13 21:23:04,875 INFO  L446   ceAbstractionStarter]: At program point  isPumpRunningENTRY(lines 302 310)  the Hoare annotation is:  true
[2019-10-13 21:23:04,876 INFO  L443   ceAbstractionStarter]: For program point  isPumpRunningFINAL(lines 302 310)  no Hoare annotation was computed.
[2019-10-13 21:23:04,876 INFO  L446   ceAbstractionStarter]: At program point  isLowWaterLevelENTRY(lines 366 384)  the Hoare annotation is:  true
[2019-10-13 21:23:04,876 INFO  L443   ceAbstractionStarter]: For program point  L375(lines 375 379)  no Hoare annotation was computed.
[2019-10-13 21:23:04,876 INFO  L443   ceAbstractionStarter]: For program point  isLowWaterLevelEXIT(lines 366 384)  no Hoare annotation was computed.
[2019-10-13 21:23:04,877 INFO  L446   ceAbstractionStarter]: At program point  L373(line 373)  the Hoare annotation is:  true
[2019-10-13 21:23:04,877 INFO  L443   ceAbstractionStarter]: For program point  L375-2(lines 375 379)  no Hoare annotation was computed.
[2019-10-13 21:23:04,877 INFO  L443   ceAbstractionStarter]: For program point  L373-1(line 373)  no Hoare annotation was computed.
[2019-10-13 21:23:04,877 INFO  L443   ceAbstractionStarter]: For program point  isLowWaterLevelFINAL(lines 366 384)  no Hoare annotation was computed.
[2019-10-13 21:23:04,877 INFO  L443   ceAbstractionStarter]: For program point  L318(lines 318 326)  no Hoare annotation was computed.
[2019-10-13 21:23:04,878 INFO  L443   ceAbstractionStarter]: For program point  L318-2(lines 318 326)  no Hoare annotation was computed.
[2019-10-13 21:23:04,878 INFO  L443   ceAbstractionStarter]: For program point  L341(line 341)  no Hoare annotation was computed.
[2019-10-13 21:23:04,878 INFO  L443   ceAbstractionStarter]: For program point  L341-1(line 341)  no Hoare annotation was computed.
[2019-10-13 21:23:04,878 INFO  L443   ceAbstractionStarter]: For program point  printPumpFINAL(lines 311 346)  no Hoare annotation was computed.
[2019-10-13 21:23:04,878 INFO  L443   ceAbstractionStarter]: For program point  L330(lines 330 338)  no Hoare annotation was computed.
[2019-10-13 21:23:04,879 INFO  L443   ceAbstractionStarter]: For program point  L330-2(lines 330 338)  no Hoare annotation was computed.
[2019-10-13 21:23:04,879 INFO  L443   ceAbstractionStarter]: For program point  printPumpENTRY(lines 311 346)  no Hoare annotation was computed.
[2019-10-13 21:23:04,879 INFO  L443   ceAbstractionStarter]: For program point  printPumpEXIT(lines 311 346)  no Hoare annotation was computed.
[2019-10-13 21:23:04,879 INFO  L443   ceAbstractionStarter]: For program point  select_featuresEXIT(lines 493 499)  no Hoare annotation was computed.
[2019-10-13 21:23:04,879 INFO  L446   ceAbstractionStarter]: At program point  select_featuresFINAL(lines 493 499)  the Hoare annotation is:  true
[2019-10-13 21:23:04,880 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_setENTRY(lines 581 626)  no Hoare annotation was computed.
[2019-10-13 21:23:04,880 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_setEXIT(lines 581 626)  no Hoare annotation was computed.
[2019-10-13 21:23:04,880 INFO  L443   ceAbstractionStarter]: For program point  __utac__exception__cf_handler_setFINAL(lines 581 626)  no Hoare annotation was computed.
[2019-10-13 21:23:04,880 INFO  L443   ceAbstractionStarter]: For program point  __utac__get_this_argtypeFINAL(lines 894 939)  no Hoare annotation was computed.
[2019-10-13 21:23:04,880 INFO  L443   ceAbstractionStarter]: For program point  L914(lines 914 921)  no Hoare annotation was computed.
[2019-10-13 21:23:04,881 INFO  L443   ceAbstractionStarter]: For program point  L908(lines 908 928)  no Hoare annotation was computed.
[2019-10-13 21:23:04,881 INFO  L443   ceAbstractionStarter]: For program point  L908-1(lines 908 928)  no Hoare annotation was computed.
[2019-10-13 21:23:04,881 INFO  L443   ceAbstractionStarter]: For program point  __utac__get_this_argtypeENTRY(lines 894 939)  no Hoare annotation was computed.
[2019-10-13 21:23:04,881 INFO  L443   ceAbstractionStarter]: For program point  __utac__get_this_argtypeEXIT(lines 894 939)  no Hoare annotation was computed.
[2019-10-13 21:23:04,881 INFO  L446   ceAbstractionStarter]: At program point  L1008(line 1008)  the Hoare annotation is:  true
[2019-10-13 21:23:04,882 INFO  L446   ceAbstractionStarter]: At program point  runTestENTRY(lines 1003 1013)  the Hoare annotation is:  true
[2019-10-13 21:23:04,882 INFO  L443   ceAbstractionStarter]: For program point  runTestEXIT(lines 1003 1013)  no Hoare annotation was computed.
[2019-10-13 21:23:04,882 INFO  L443   ceAbstractionStarter]: For program point  runTestFINAL(lines 1003 1013)  no Hoare annotation was computed.
[2019-10-13 21:23:04,882 INFO  L446   ceAbstractionStarter]: At program point  isMethaneAlarmENTRY(lines 291 301)  the Hoare annotation is:  true
[2019-10-13 21:23:04,882 INFO  L443   ceAbstractionStarter]: For program point  isMethaneAlarmEXIT(lines 291 301)  no Hoare annotation was computed.
[2019-10-13 21:23:04,883 INFO  L446   ceAbstractionStarter]: At program point  L296(line 296)  the Hoare annotation is:  true
[2019-10-13 21:23:04,883 INFO  L443   ceAbstractionStarter]: For program point  L296-1(line 296)  no Hoare annotation was computed.
[2019-10-13 21:23:04,883 INFO  L443   ceAbstractionStarter]: For program point  isMethaneAlarmFINAL(lines 291 301)  no Hoare annotation was computed.
[2019-10-13 21:23:04,883 INFO  L446   ceAbstractionStarter]: At program point  deactivatePumpENTRY(lines 283 290)  the Hoare annotation is:  true
[2019-10-13 21:23:04,883 INFO  L443   ceAbstractionStarter]: For program point  deactivatePumpEXIT(lines 283 290)  no Hoare annotation was computed.
[2019-10-13 21:23:04,884 INFO  L443   ceAbstractionStarter]: For program point  deactivatePumpFINAL(lines 283 290)  no Hoare annotation was computed.
[2019-10-13 21:23:04,884 INFO  L443   ceAbstractionStarter]: For program point  isHighWaterSensorDryEXIT(lines 127 140)  no Hoare annotation was computed.
[2019-10-13 21:23:04,884 INFO  L443   ceAbstractionStarter]: For program point  L131(lines 131 137)  no Hoare annotation was computed.
[2019-10-13 21:23:04,884 INFO  L446   ceAbstractionStarter]: At program point  isHighWaterSensorDryENTRY(lines 127 140)  the Hoare annotation is:  true
[2019-10-13 21:23:04,884 INFO  L443   ceAbstractionStarter]: For program point  isHighWaterSensorDryFINAL(lines 127 140)  no Hoare annotation was computed.
[2019-10-13 21:23:04,885 INFO  L446   ceAbstractionStarter]: At program point  L256(line 256)  the Hoare annotation is:  true
[2019-10-13 21:23:04,885 INFO  L443   ceAbstractionStarter]: For program point  L256-1(line 256)  no Hoare annotation was computed.
[2019-10-13 21:23:04,885 INFO  L443   ceAbstractionStarter]: For program point  L254(lines 254 271)  no Hoare annotation was computed.
[2019-10-13 21:23:04,885 INFO  L443   ceAbstractionStarter]: For program point  processEnvironmentEXIT(lines 250 274)  no Hoare annotation was computed.
[2019-10-13 21:23:04,885 INFO  L446   ceAbstractionStarter]: At program point  processEnvironmentENTRY(lines 250 274)  the Hoare annotation is:  true
[2019-10-13 21:23:04,886 INFO  L446   ceAbstractionStarter]: At program point  L269(line 269)  the Hoare annotation is:  true
[2019-10-13 21:23:04,886 INFO  L443   ceAbstractionStarter]: For program point  L269-1(lines 250 274)  no Hoare annotation was computed.
[2019-10-13 21:23:04,886 INFO  L446   ceAbstractionStarter]: At program point  L264(line 264)  the Hoare annotation is:  true
[2019-10-13 21:23:04,886 INFO  L446   ceAbstractionStarter]: At program point  L260(line 260)  the Hoare annotation is:  true
[2019-10-13 21:23:04,886 INFO  L443   ceAbstractionStarter]: For program point  L258(lines 258 266)  no Hoare annotation was computed.
[2019-10-13 21:23:04,887 INFO  L443   ceAbstractionStarter]: For program point  processEnvironment__wrappee__baseEXIT(lines 190 196)  no Hoare annotation was computed.
[2019-10-13 21:23:04,887 INFO  L446   ceAbstractionStarter]: At program point  processEnvironment__wrappee__baseFINAL(lines 190 196)  the Hoare annotation is:  true
[2019-10-13 21:23:04,887 INFO  L446   ceAbstractionStarter]: At program point  testENTRY(lines 410 477)  the Hoare annotation is:  true
[2019-10-13 21:23:04,887 INFO  L446   ceAbstractionStarter]: At program point  L442(line 442)  the Hoare annotation is:  true
[2019-10-13 21:23:04,887 INFO  L443   ceAbstractionStarter]: For program point  L440(lines 440 446)  no Hoare annotation was computed.
[2019-10-13 21:23:04,888 INFO  L443   ceAbstractionStarter]: For program point  L440-1(lines 440 446)  no Hoare annotation was computed.
[2019-10-13 21:23:04,888 INFO  L443   ceAbstractionStarter]: For program point  testFINAL(lines 410 477)  no Hoare annotation was computed.
[2019-10-13 21:23:04,888 INFO  L446   ceAbstractionStarter]: At program point  L467(lines 420 469)  the Hoare annotation is:  true
[2019-10-13 21:23:04,888 INFO  L446   ceAbstractionStarter]: At program point  L432(line 432)  the Hoare annotation is:  true
[2019-10-13 21:23:04,888 INFO  L443   ceAbstractionStarter]: For program point  L430(lines 430 436)  no Hoare annotation was computed.
[2019-10-13 21:23:04,888 INFO  L443   ceAbstractionStarter]: For program point  L430-1(lines 430 436)  no Hoare annotation was computed.
[2019-10-13 21:23:04,889 INFO  L443   ceAbstractionStarter]: For program point  L422(lines 422 426)  no Hoare annotation was computed.
[2019-10-13 21:23:04,889 INFO  L446   ceAbstractionStarter]: At program point  L470(lines 419 471)  the Hoare annotation is:  true
[2019-10-13 21:23:04,889 INFO  L446   ceAbstractionStarter]: At program point  L460(line 460)  the Hoare annotation is:  true
[2019-10-13 21:23:04,889 INFO  L443   ceAbstractionStarter]: For program point  L458(lines 458 464)  no Hoare annotation was computed.
[2019-10-13 21:23:04,890 INFO  L446   ceAbstractionStarter]: At program point  L458-1(lines 450 465)  the Hoare annotation is:  true
[2019-10-13 21:23:04,890 INFO  L443   ceAbstractionStarter]: For program point  L421(lines 420 469)  no Hoare annotation was computed.
[2019-10-13 21:23:04,890 INFO  L446   ceAbstractionStarter]: At program point  L452(line 452)  the Hoare annotation is:  true
[2019-10-13 21:23:04,890 INFO  L443   ceAbstractionStarter]: For program point  testEXIT(lines 410 477)  no Hoare annotation was computed.
[2019-10-13 21:23:04,890 INFO  L443   ceAbstractionStarter]: For program point  L450(lines 450 465)  no Hoare annotation was computed.
[2019-10-13 21:23:04,890 INFO  L443   ceAbstractionStarter]: For program point  L862(lines 862 882)  no Hoare annotation was computed.
[2019-10-13 21:23:04,891 INFO  L443   ceAbstractionStarter]: For program point  L862-1(lines 862 882)  no Hoare annotation was computed.
[2019-10-13 21:23:04,891 INFO  L443   ceAbstractionStarter]: For program point  __utac__get_this_argENTRY(lines 848 893)  no Hoare annotation was computed.
[2019-10-13 21:23:04,891 INFO  L443   ceAbstractionStarter]: For program point  __utac__get_this_argEXIT(lines 848 893)  no Hoare annotation was computed.
[2019-10-13 21:23:04,891 INFO  L443   ceAbstractionStarter]: For program point  __utac__get_this_argFINAL(lines 848 893)  no Hoare annotation was computed.
[2019-10-13 21:23:04,891 INFO  L443   ceAbstractionStarter]: For program point  L868(lines 868 875)  no Hoare annotation was computed.
[2019-10-13 21:23:04,892 INFO  L443   ceAbstractionStarter]: For program point  isLowWaterSensorDryFINAL(lines 141 149)  no Hoare annotation was computed.
[2019-10-13 21:23:04,892 INFO  L446   ceAbstractionStarter]: At program point  isLowWaterSensorDryENTRY(lines 141 149)  the Hoare annotation is:  true
[2019-10-13 21:23:04,892 INFO  L443   ceAbstractionStarter]: For program point  isLowWaterSensorDryEXIT(lines 141 149)  no Hoare annotation was computed.
[2019-10-13 21:23:04,892 INFO  L443   ceAbstractionStarter]: For program point  printEnvironmentEXIT(lines 95 117)  no Hoare annotation was computed.
[2019-10-13 21:23:04,893 INFO  L443   ceAbstractionStarter]: For program point  L103(lines 103 111)  no Hoare annotation was computed.
[2019-10-13 21:23:04,893 INFO  L443   ceAbstractionStarter]: For program point  printEnvironmentENTRY(lines 95 117)  no Hoare annotation was computed.
[2019-10-13 21:23:04,893 INFO  L443   ceAbstractionStarter]: For program point  L103-2(lines 103 111)  no Hoare annotation was computed.
[2019-10-13 21:23:04,893 INFO  L443   ceAbstractionStarter]: For program point  printEnvironmentFINAL(lines 95 117)  no Hoare annotation was computed.
[2019-10-13 21:23:04,893 INFO  L443   ceAbstractionStarter]: For program point  select_oneENTRY(lines 483 492)  no Hoare annotation was computed.
[2019-10-13 21:23:04,893 INFO  L443   ceAbstractionStarter]: For program point  select_oneFINAL(lines 483 492)  no Hoare annotation was computed.
[2019-10-13 21:23:04,894 INFO  L443   ceAbstractionStarter]: For program point  select_oneEXIT(lines 483 492)  no Hoare annotation was computed.
[2019-10-13 21:23:04,894 INFO  L443   ceAbstractionStarter]: For program point  __utac__error_stack_mgtENTRY(lines 745 847)  no Hoare annotation was computed.
[2019-10-13 21:23:04,894 INFO  L443   ceAbstractionStarter]: For program point  L795(lines 794 814)  no Hoare annotation was computed.
[2019-10-13 21:23:04,894 INFO  L443   ceAbstractionStarter]: For program point  L826(line 826)  no Hoare annotation was computed.
[2019-10-13 21:23:04,894 INFO  L443   ceAbstractionStarter]: For program point  L826-1(line 826)  no Hoare annotation was computed.
[2019-10-13 21:23:04,895 INFO  L443   ceAbstractionStarter]: For program point  L791(lines 791 832)  no Hoare annotation was computed.
[2019-10-13 21:23:04,895 INFO  L443   ceAbstractionStarter]: For program point  L810(line 810)  no Hoare annotation was computed.
[2019-10-13 21:23:04,895 INFO  L443   ceAbstractionStarter]: For program point  L810-1(line 810)  no Hoare annotation was computed.
[2019-10-13 21:23:04,895 INFO  L443   ceAbstractionStarter]: For program point  __utac__error_stack_mgtFINAL(lines 745 847)  no Hoare annotation was computed.
[2019-10-13 21:23:04,895 INFO  L443   ceAbstractionStarter]: For program point  L769(lines 769 773)  no Hoare annotation was computed.
[2019-10-13 21:23:04,896 INFO  L443   ceAbstractionStarter]: For program point  L833(lines 833 844)  no Hoare annotation was computed.
[2019-10-13 21:23:04,896 INFO  L443   ceAbstractionStarter]: For program point  L796(lines 796 800)  no Hoare annotation was computed.
[2019-10-13 21:23:04,896 INFO  L443   ceAbstractionStarter]: For program point  L794-2(lines 794 814)  no Hoare annotation was computed.
[2019-10-13 21:23:04,896 INFO  L443   ceAbstractionStarter]: For program point  __utac__error_stack_mgtEXIT(lines 745 847)  no Hoare annotation was computed.
[2019-10-13 21:23:04,896 INFO  L443   ceAbstractionStarter]: For program point  L815(lines 793 816)  no Hoare annotation was computed.
[2019-10-13 21:23:04,897 INFO  L443   ceAbstractionStarter]: For program point  L774(lines 774 790)  no Hoare annotation was computed.
[2019-10-13 21:23:04,897 INFO  L443   ceAbstractionStarter]: For program point  L834(lines 834 841)  no Hoare annotation was computed.
[2019-10-13 21:23:04,897 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2019-10-13 21:23:04,897 INFO  L439   ceAbstractionStarter]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2019-10-13 21:23:04,897 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2019-10-13 21:23:04,898 INFO  L443   ceAbstractionStarter]: For program point  activatePumpFINAL(lines 275 282)  no Hoare annotation was computed.
[2019-10-13 21:23:04,898 INFO  L443   ceAbstractionStarter]: For program point  activatePumpEXIT(lines 275 282)  no Hoare annotation was computed.
[2019-10-13 21:23:04,898 INFO  L446   ceAbstractionStarter]: At program point  activatePumpENTRY(lines 275 282)  the Hoare annotation is:  true
[2019-10-13 21:23:04,898 INFO  L446   ceAbstractionStarter]: At program point  getWaterLevelENTRY(lines 118 126)  the Hoare annotation is:  true
[2019-10-13 21:23:04,898 INFO  L443   ceAbstractionStarter]: For program point  getWaterLevelFINAL(lines 118 126)  no Hoare annotation was computed.
[2019-10-13 21:23:04,899 INFO  L443   ceAbstractionStarter]: For program point  getWaterLevelEXIT(lines 118 126)  no Hoare annotation was computed.
[2019-10-13 21:23:04,899 INFO  L443   ceAbstractionStarter]: For program point  L354-1(line 354)  no Hoare annotation was computed.
[2019-10-13 21:23:04,899 INFO  L443   ceAbstractionStarter]: For program point  isHighWaterLevelEXIT(lines 347 365)  no Hoare annotation was computed.
[2019-10-13 21:23:04,899 INFO  L446   ceAbstractionStarter]: At program point  isHighWaterLevelENTRY(lines 347 365)  the Hoare annotation is:  true
[2019-10-13 21:23:04,899 INFO  L443   ceAbstractionStarter]: For program point  isHighWaterLevelFINAL(lines 347 365)  no Hoare annotation was computed.
[2019-10-13 21:23:04,900 INFO  L443   ceAbstractionStarter]: For program point  L356(lines 356 360)  no Hoare annotation was computed.
[2019-10-13 21:23:04,900 INFO  L446   ceAbstractionStarter]: At program point  L354(line 354)  the Hoare annotation is:  true
[2019-10-13 21:23:04,900 INFO  L443   ceAbstractionStarter]: For program point  L356-2(lines 356 360)  no Hoare annotation was computed.
[2019-10-13 21:23:04,900 INFO  L443   ceAbstractionStarter]: For program point  L78-1(lines 74 85)  no Hoare annotation was computed.
[2019-10-13 21:23:04,900 INFO  L446   ceAbstractionStarter]: At program point  changeMethaneLevelENTRY(lines 74 85)  the Hoare annotation is:  true
[2019-10-13 21:23:04,901 INFO  L443   ceAbstractionStarter]: For program point  changeMethaneLevelEXIT(lines 74 85)  no Hoare annotation was computed.
[2019-10-13 21:23:04,901 INFO  L443   ceAbstractionStarter]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2019-10-13 21:23:04,901 INFO  L443   ceAbstractionStarter]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2019-10-13 21:23:04,901 INFO  L443   ceAbstractionStarter]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2019-10-13 21:23:04,901 INFO  L446   ceAbstractionStarter]: At program point  isMethaneLevelCriticalENTRY(lines 86 94)  the Hoare annotation is:  true
[2019-10-13 21:23:04,902 INFO  L443   ceAbstractionStarter]: For program point  isMethaneLevelCriticalFINAL(lines 86 94)  no Hoare annotation was computed.
[2019-10-13 21:23:04,902 INFO  L443   ceAbstractionStarter]: For program point  isMethaneLevelCriticalEXIT(lines 86 94)  no Hoare annotation was computed.
[2019-10-13 21:23:04,902 INFO  L446   ceAbstractionStarter]: At program point  L179(line 179)  the Hoare annotation is:  true
[2019-10-13 21:23:04,902 INFO  L446   ceAbstractionStarter]: At program point  L177(lines 177 183)  the Hoare annotation is:  true
[2019-10-13 21:23:04,902 INFO  L446   ceAbstractionStarter]: At program point  timeShiftENTRY(lines 163 189)  the Hoare annotation is:  true
[2019-10-13 21:23:04,903 INFO  L446   ceAbstractionStarter]: At program point  L172(line 172)  the Hoare annotation is:  true
[2019-10-13 21:23:04,903 INFO  L443   ceAbstractionStarter]: For program point  timeShiftEXIT(lines 163 189)  no Hoare annotation was computed.
[2019-10-13 21:23:04,903 INFO  L443   ceAbstractionStarter]: For program point  L170(lines 166 188)  no Hoare annotation was computed.
[2019-10-13 21:23:04,903 INFO  L443   ceAbstractionStarter]: For program point  L168(lines 166 188)  no Hoare annotation was computed.
[2019-10-13 21:23:04,903 INFO  L443   ceAbstractionStarter]: For program point  timeShiftFINAL(lines 163 189)  no Hoare annotation was computed.
[2019-10-13 21:23:04,903 INFO  L443   ceAbstractionStarter]: For program point  cleanupEXIT(lines 942 971)  no Hoare annotation was computed.
[2019-10-13 21:23:04,904 INFO  L446   ceAbstractionStarter]: At program point  cleanupENTRY(lines 942 971)  the Hoare annotation is:  true
[2019-10-13 21:23:04,904 INFO  L443   ceAbstractionStarter]: For program point  L956(lines 956 960)  no Hoare annotation was computed.
[2019-10-13 21:23:04,904 INFO  L446   ceAbstractionStarter]: At program point  L956-1(lines 956 960)  the Hoare annotation is:  true
[2019-10-13 21:23:04,904 INFO  L443   ceAbstractionStarter]: For program point  L953(line 953)  no Hoare annotation was computed.
[2019-10-13 21:23:04,904 INFO  L446   ceAbstractionStarter]: At program point  L952-2(lines 952 966)  the Hoare annotation is:  true
[2019-10-13 21:23:04,905 INFO  L446   ceAbstractionStarter]: At program point  L948(line 948)  the Hoare annotation is:  true
[2019-10-13 21:23:04,905 INFO  L443   ceAbstractionStarter]: For program point  L948-1(line 948)  no Hoare annotation was computed.
[2019-10-13 21:23:04,905 INFO  L446   ceAbstractionStarter]: At program point  L967(lines 942 971)  the Hoare annotation is:  true
[2019-10-13 21:23:04,905 INFO  L443   ceAbstractionStarter]: For program point  L963(line 963)  no Hoare annotation was computed.
[2019-10-13 21:23:04,906 INFO  L446   ceAbstractionStarter]: At program point  lowerWaterLevelENTRY(lines 50 61)  the Hoare annotation is:  true
[2019-10-13 21:23:04,906 INFO  L443   ceAbstractionStarter]: For program point  lowerWaterLevelEXIT(lines 50 61)  no Hoare annotation was computed.
[2019-10-13 21:23:04,906 INFO  L443   ceAbstractionStarter]: For program point  L54-1(lines 50 61)  no Hoare annotation was computed.
[2019-10-13 21:23:04,906 INFO  L443   ceAbstractionStarter]: For program point  setupEXIT(lines 996 1002)  no Hoare annotation was computed.
[2019-10-13 21:23:04,906 INFO  L446   ceAbstractionStarter]: At program point  setupFINAL(lines 996 1002)  the Hoare annotation is:  true
[2019-10-13 21:23:04,906 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2019-10-13 21:23:04,907 INFO  L439   ceAbstractionStarter]: At program point  L-1(line -1)  the Hoare annotation is:  false
[2019-10-13 21:23:04,907 INFO  L446   ceAbstractionStarter]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2019-10-13 21:23:04,907 INFO  L443   ceAbstractionStarter]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2019-10-13 21:23:04,907 INFO  L443   ceAbstractionStarter]: For program point  startSystemEXIT(lines 400 407)  no Hoare annotation was computed.
[2019-10-13 21:23:04,907 INFO  L446   ceAbstractionStarter]: At program point  startSystemENTRY(lines 400 407)  the Hoare annotation is:  true
[2019-10-13 21:23:04,908 INFO  L443   ceAbstractionStarter]: For program point  startSystemFINAL(lines 400 407)  no Hoare annotation was computed.
[2019-10-13 21:23:04,908 INFO  L446   ceAbstractionStarter]: At program point  processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222)  the Hoare annotation is:  true
[2019-10-13 21:23:04,908 INFO  L443   ceAbstractionStarter]: For program point  processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222)  no Hoare annotation was computed.
[2019-10-13 21:23:04,908 INFO  L446   ceAbstractionStarter]: At program point  L217(line 217)  the Hoare annotation is:  true
[2019-10-13 21:23:04,908 INFO  L443   ceAbstractionStarter]: For program point  L217-1(lines 198 222)  no Hoare annotation was computed.
[2019-10-13 21:23:04,909 INFO  L446   ceAbstractionStarter]: At program point  L212(line 212)  the Hoare annotation is:  true
[2019-10-13 21:23:04,909 INFO  L446   ceAbstractionStarter]: At program point  L208(line 208)  the Hoare annotation is:  true
[2019-10-13 21:23:04,909 INFO  L443   ceAbstractionStarter]: For program point  L206(lines 206 214)  no Hoare annotation was computed.
[2019-10-13 21:23:04,909 INFO  L446   ceAbstractionStarter]: At program point  L204(line 204)  the Hoare annotation is:  true
[2019-10-13 21:23:04,909 INFO  L443   ceAbstractionStarter]: For program point  L204-1(line 204)  no Hoare annotation was computed.
[2019-10-13 21:23:04,910 INFO  L443   ceAbstractionStarter]: For program point  L202(lines 202 219)  no Hoare annotation was computed.
[2019-10-13 21:23:04,910 INFO  L443   ceAbstractionStarter]: For program point  L66-1(lines 62 73)  no Hoare annotation was computed.
[2019-10-13 21:23:04,910 INFO  L443   ceAbstractionStarter]: For program point  waterRiseEXIT(lines 62 73)  no Hoare annotation was computed.
[2019-10-13 21:23:04,910 INFO  L446   ceAbstractionStarter]: At program point  waterRiseENTRY(lines 62 73)  the Hoare annotation is:  true
[2019-10-13 21:23:04,910 INFO  L443   ceAbstractionStarter]: For program point  __automaton_failFINAL(lines 517 524)  no Hoare annotation was computed.
[2019-10-13 21:23:04,911 INFO  L446   ceAbstractionStarter]: At program point  __automaton_failENTRY(lines 517 524)  the Hoare annotation is:  true
[2019-10-13 21:23:04,911 INFO  L443   ceAbstractionStarter]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521)  no Hoare annotation was computed.
[2019-10-13 21:23:04,911 INFO  L443   ceAbstractionStarter]: For program point  __automaton_failEXIT(lines 517 524)  no Hoare annotation was computed.
[2019-10-13 21:23:04,911 INFO  L443   ceAbstractionStarter]: For program point  processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248)  no Hoare annotation was computed.
[2019-10-13 21:23:04,911 INFO  L446   ceAbstractionStarter]: At program point  processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248)  the Hoare annotation is:  true
[2019-10-13 21:23:04,912 INFO  L446   ceAbstractionStarter]: At program point  L243(line 243)  the Hoare annotation is:  true
[2019-10-13 21:23:04,912 INFO  L443   ceAbstractionStarter]: For program point  L243-1(lines 224 248)  no Hoare annotation was computed.
[2019-10-13 21:23:04,912 INFO  L446   ceAbstractionStarter]: At program point  L238(line 238)  the Hoare annotation is:  true
[2019-10-13 21:23:04,912 INFO  L446   ceAbstractionStarter]: At program point  L234(line 234)  the Hoare annotation is:  true
[2019-10-13 21:23:04,912 INFO  L443   ceAbstractionStarter]: For program point  L232(lines 232 240)  no Hoare annotation was computed.
[2019-10-13 21:23:04,912 INFO  L446   ceAbstractionStarter]: At program point  L230(line 230)  the Hoare annotation is:  true
[2019-10-13 21:23:04,912 INFO  L443   ceAbstractionStarter]: For program point  L230-1(line 230)  no Hoare annotation was computed.
[2019-10-13 21:23:04,913 INFO  L443   ceAbstractionStarter]: For program point  L228(lines 228 245)  no Hoare annotation was computed.
[2019-10-13 21:23:04,928 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:04 BoogieIcfgContainer
[2019-10-13 21:23:04,928 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 21:23:04,932 INFO  L168              Benchmark]: Toolchain (without parser) took 10707.52 ms. Allocated memory was 144.7 MB in the beginning and 377.0 MB in the end (delta: 232.3 MB). Free memory was 101.3 MB in the beginning and 257.7 MB in the end (delta: -156.4 MB). Peak memory consumption was 203.9 MB. Max. memory is 7.1 GB.
[2019-10-13 21:23:04,934 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2019-10-13 21:23:04,935 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 685.43 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 101.1 MB in the beginning and 166.6 MB in the end (delta: -65.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
[2019-10-13 21:23:04,936 INFO  L168              Benchmark]: Boogie Preprocessor took 99.63 ms. Allocated memory is still 200.8 MB. Free memory was 166.6 MB in the beginning and 161.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2019-10-13 21:23:04,937 INFO  L168              Benchmark]: RCFGBuilder took 1348.27 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 161.9 MB in the beginning and 189.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB.
[2019-10-13 21:23:04,938 INFO  L168              Benchmark]: TraceAbstraction took 8568.94 ms. Allocated memory was 233.3 MB in the beginning and 377.0 MB in the end (delta: 143.7 MB). Free memory was 188.3 MB in the beginning and 257.7 MB in the end (delta: -69.4 MB). Peak memory consumption was 202.3 MB. Max. memory is 7.1 GB.
[2019-10-13 21:23:04,945 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 685.43 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 101.1 MB in the beginning and 166.6 MB in the end (delta: -65.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 99.63 ms. Allocated memory is still 200.8 MB. Free memory was 166.6 MB in the beginning and 161.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1348.27 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 161.9 MB in the beginning and 189.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 8568.94 ms. Allocated memory was 233.3 MB in the beginning and 377.0 MB in the end (delta: 143.7 MB). Free memory was 188.3 MB in the beginning and 257.7 MB in the end (delta: -69.4 MB). Peak memory consumption was 202.3 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 521]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 420]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 942]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 419]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 952]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 45 procedures, 265 locations, 1 error locations. Result: SAFE, OverallTime: 8.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1714 SDtfs, 1219 SDslu, 3907 SDs, 0 SdLazy, 1953 SolverSat, 315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1872occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 328 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 2020 PreInvPairs, 2021 NumberOfFragments, 84 HoareAnnotationTreeSize, 2020 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1010 NumberOfCodeBlocks, 1010 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1179 ConstructedInterpolants, 0 QuantifiedInterpolants, 260737 SizeOfPredicates, 4 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 130/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 199, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8044692737430168, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...