/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 18:26:53,927 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 18:26:53,930 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 18:26:53,958 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 18:26:53,959 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 18:26:53,960 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 18:26:53,961 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 18:26:53,963 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 18:26:53,964 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 18:26:53,965 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 18:26:53,966 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 18:26:53,967 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 18:26:53,967 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 18:26:53,968 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 18:26:53,969 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 18:26:53,970 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 18:26:53,971 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 18:26:53,972 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 18:26:53,973 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 18:26:53,975 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 18:26:53,977 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 18:26:53,978 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 18:26:53,979 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 18:26:53,980 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 18:26:53,982 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 18:26:53,983 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 18:26:53,983 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 18:26:53,984 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 18:26:53,984 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 18:26:53,985 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 18:26:53,985 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 18:26:53,986 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 18:26:53,987 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 18:26:53,987 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 18:26:53,988 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 18:26:53,988 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 18:26:53,989 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 18:26:53,989 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 18:26:53,989 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 18:26:53,990 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 18:26:53,991 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 18:26:53,992 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-18 18:26:54,014 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 18:26:54,014 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 18:26:54,016 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 18:26:54,016 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 18:26:54,016 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 18:26:54,016 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 18:26:54,016 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 18:26:54,017 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 18:26:54,017 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 18:26:54,017 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 18:26:54,017 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 18:26:54,017 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 18:26:54,017 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 18:26:54,018 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 18:26:54,018 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 18:26:54,018 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 18:26:54,018 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 18:26:54,018 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 18:26:54,019 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 18:26:54,019 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 18:26:54,019 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 18:26:54,019 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 18:26:54,019 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 18:26:54,020 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 18:26:54,020 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 18:26:54,020 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 18:26:54,020 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 18:26:54,020 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 18:26:54,021 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 18:26:54,021 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER;
[2020-08-18 18:26:54,340 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 18:26:54,353 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 18:26:54,356 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 18:26:54,357 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 18:26:54,358 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 18:26:54,359 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c
[2020-08-18 18:26:54,423 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/762f473ae/6dae9392a0aa4a1fa9c2fc3d89817ef8/FLAG379729930
[2020-08-18 18:26:54,913 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 18:26:54,914 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c
[2020-08-18 18:26:54,934 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/762f473ae/6dae9392a0aa4a1fa9c2fc3d89817ef8/FLAG379729930
[2020-08-18 18:26:55,215 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/762f473ae/6dae9392a0aa4a1fa9c2fc3d89817ef8
[2020-08-18 18:26:55,224 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 18:26:55,226 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 18:26:55,227 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 18:26:55,227 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 18:26:55,230 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 18:26:55,231 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,234 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d492f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55, skipping insertion in model container
[2020-08-18 18:26:55,234 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,242 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 18:26:55,287 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 18:26:55,719 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 18:26:55,732 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 18:26:55,809 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 18:26:55,839 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 18:26:55,840 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55 WrapperNode
[2020-08-18 18:26:55,840 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 18:26:55,841 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 18:26:55,841 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 18:26:55,841 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 18:26:55,854 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,855 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,876 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,877 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,909 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,932 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,938 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
[2020-08-18 18:26:55,961 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 18:26:55,962 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 18:26:55,962 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 18:26:55,962 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 18:26:55,963 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 18:26:56,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 18:26:56,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 18:26:56,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-18 18:26:56,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-18 18:26:56,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-18 18:26:56,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-18 18:26:56,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-18 18:26:56,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-18 18:26:56,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-18 18:26:56,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-18 18:26:56,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-18 18:26:56,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-18 18:26:56,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-18 18:26:56,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-18 18:26:56,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-08-18 18:26:56,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-18 18:26:56,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-18 18:26:56,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-18 18:26:56,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-18 18:26:56,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-18 18:26:56,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 18:26:56,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-18 18:26:56,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-18 18:26:56,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-18 18:26:56,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-18 18:26:56,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-18 18:26:56,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-18 18:26:56,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-18 18:26:56,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-18 18:26:56,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-08-18 18:26:56,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-18 18:26:56,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-08-18 18:26:56,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-18 18:26:56,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-18 18:26:56,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-18 18:26:56,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-18 18:26:56,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-18 18:26:56,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-08-18 18:26:56,048 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-08-18 18:26:56,048 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 18:26:56,048 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 18:26:56,048 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 18:26:56,048 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-18 18:26:56,049 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-18 18:26:56,049 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-18 18:26:56,049 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-18 18:26:56,049 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-18 18:26:56,049 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-18 18:26:56,049 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-18 18:26:56,050 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-18 18:26:56,050 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-18 18:26:56,050 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-18 18:26:56,050 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-18 18:26:56,050 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-08-18 18:26:56,050 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 18:26:56,051 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-18 18:26:56,051 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-18 18:26:56,051 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-18 18:26:56,051 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-18 18:26:56,051 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-18 18:26:56,051 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-18 18:26:56,052 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-18 18:26:56,052 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-18 18:26:56,052 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-18 18:26:56,052 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 18:26:56,052 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-18 18:26:56,052 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 18:26:56,052 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 18:26:56,053 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-18 18:26:56,053 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 18:26:56,053 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-18 18:26:56,053 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 18:26:56,053 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-18 18:26:56,053 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-18 18:26:56,054 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 18:26:56,054 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-18 18:26:56,054 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-18 18:26:56,054 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 18:26:56,054 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-18 18:26:56,054 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-18 18:26:56,055 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-18 18:26:56,055 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-08-18 18:26:56,055 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-18 18:26:56,055 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-18 18:26:56,055 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-18 18:26:56,055 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-08-18 18:26:56,055 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-08-18 18:26:56,056 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-08-18 18:26:56,056 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-18 18:26:56,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 18:26:56,056 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 18:26:56,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 18:26:57,097 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 18:26:57,098 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-18 18:26:57,103 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:57 BoogieIcfgContainer
[2020-08-18 18:26:57,104 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 18:26:57,105 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 18:26:57,105 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 18:26:57,108 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 18:26:57,109 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 06:26:55" (1/3) ...
[2020-08-18 18:26:57,110 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c5e0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:26:57, skipping insertion in model container
[2020-08-18 18:26:57,110 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:55" (2/3) ...
[2020-08-18 18:26:57,110 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c5e0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:26:57, skipping insertion in model container
[2020-08-18 18:26:57,110 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:57" (3/3) ...
[2020-08-18 18:26:57,112 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c
[2020-08-18 18:26:57,123 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 18:26:57,132 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 18:26:57,146 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 18:26:57,172 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 18:26:57,173 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 18:26:57,173 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 18:26:57,173 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 18:26:57,173 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 18:26:57,174 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 18:26:57,174 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 18:26:57,174 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 18:26:57,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 164 states.
[2020-08-18 18:26:57,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-18 18:26:57,209 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 18:26:57,211 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 18:26:57,211 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 18:26:57,216 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 18:26:57,217 INFO  L82        PathProgramCache]: Analyzing trace with hash 1851171777, now seen corresponding path program 1 times
[2020-08-18 18:26:57,223 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 18:26:57,224 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964639123]
[2020-08-18 18:26:57,225 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 18:26:57,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,891 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 18:26:57,893 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 18:26:57,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,948 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 18:26:57,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,952 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 18:26:57,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,954 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 18:26:57,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,957 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 18:26:57,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,960 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-18 18:26:57,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,963 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 18:26:57,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:57,977 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 18:26:57,978 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964639123]
[2020-08-18 18:26:57,980 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 18:26:57,980 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-18 18:26:57,981 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695078812]
[2020-08-18 18:26:57,986 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-18 18:26:57,987 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 18:26:58,002 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-18 18:26:58,003 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 18:26:58,006 INFO  L87              Difference]: Start difference. First operand 164 states. Second operand 3 states.
[2020-08-18 18:26:59,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 18:26:59,096 INFO  L93              Difference]: Finished difference Result 261 states and 346 transitions.
[2020-08-18 18:26:59,097 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-18 18:26:59,098 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-18 18:26:59,099 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 18:26:59,114 INFO  L225             Difference]: With dead ends: 261
[2020-08-18 18:26:59,115 INFO  L226             Difference]: Without dead ends: 142
[2020-08-18 18:26:59,119 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 18:26:59,140 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2020-08-18 18:26:59,205 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110.
[2020-08-18 18:26:59,207 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 110 states.
[2020-08-18 18:26:59,209 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions.
[2020-08-18 18:26:59,211 INFO  L78                 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46
[2020-08-18 18:26:59,212 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 18:26:59,212 INFO  L479      AbstractCegarLoop]: Abstraction has 110 states and 129 transitions.
[2020-08-18 18:26:59,212 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-18 18:26:59,212 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions.
[2020-08-18 18:26:59,216 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-18 18:26:59,216 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 18:26:59,216 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 18:26:59,217 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 18:26:59,217 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 18:26:59,217 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 18:26:59,218 INFO  L82        PathProgramCache]: Analyzing trace with hash -1354219367, now seen corresponding path program 1 times
[2020-08-18 18:26:59,218 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 18:26:59,218 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446347726]
[2020-08-18 18:26:59,219 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 18:26:59,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,567 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 18:26:59,568 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 18:26:59,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,594 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 18:26:59,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,596 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 18:26:59,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,597 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 18:26:59,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,600 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 18:26:59,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,602 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-18 18:26:59,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,604 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-18 18:26:59,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:26:59,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 18:26:59,612 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446347726]
[2020-08-18 18:26:59,612 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 18:26:59,613 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-18 18:26:59,613 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948763177]
[2020-08-18 18:26:59,614 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 18:26:59,615 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 18:26:59,615 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 18:26:59,615 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-18 18:26:59,616 INFO  L87              Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states.
[2020-08-18 18:27:00,049 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 18:27:00,741 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 18:27:00,741 INFO  L93              Difference]: Finished difference Result 188 states and 229 transitions.
[2020-08-18 18:27:00,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-18 18:27:00,742 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-18 18:27:00,742 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 18:27:00,745 INFO  L225             Difference]: With dead ends: 188
[2020-08-18 18:27:00,745 INFO  L226             Difference]: Without dead ends: 126
[2020-08-18 18:27:00,746 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-18 18:27:00,747 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2020-08-18 18:27:00,776 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101.
[2020-08-18 18:27:00,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2020-08-18 18:27:00,777 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions.
[2020-08-18 18:27:00,778 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47
[2020-08-18 18:27:00,778 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 18:27:00,778 INFO  L479      AbstractCegarLoop]: Abstraction has 101 states and 117 transitions.
[2020-08-18 18:27:00,778 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 18:27:00,778 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions.
[2020-08-18 18:27:00,780 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-08-18 18:27:00,780 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 18:27:00,781 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 18:27:00,781 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 18:27:00,781 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 18:27:00,781 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 18:27:00,781 INFO  L82        PathProgramCache]: Analyzing trace with hash 1234220754, now seen corresponding path program 1 times
[2020-08-18 18:27:00,782 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 18:27:00,782 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964306686]
[2020-08-18 18:27:00,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 18:27:00,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,107 WARN  L193               SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 18:27:01,108 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 18:27:01,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,155 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 18:27:01,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,158 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 18:27:01,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,160 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 18:27:01,162 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,196 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 18:27:01,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,199 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-18 18:27:01,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,201 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-18 18:27:01,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:01,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 18:27:01,210 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964306686]
[2020-08-18 18:27:01,210 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 18:27:01,210 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 18:27:01,211 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327806562]
[2020-08-18 18:27:01,211 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 18:27:01,212 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 18:27:01,212 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 18:27:01,212 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 18:27:01,212 INFO  L87              Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states.
[2020-08-18 18:27:01,598 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 18:27:01,908 WARN  L193               SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:02,136 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:02,362 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:03,047 WARN  L193               SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 18:27:04,400 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 18:27:04,401 INFO  L93              Difference]: Finished difference Result 351 states and 437 transitions.
[2020-08-18 18:27:04,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-18 18:27:04,403 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 51
[2020-08-18 18:27:04,403 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 18:27:04,407 INFO  L225             Difference]: With dead ends: 351
[2020-08-18 18:27:04,408 INFO  L226             Difference]: Without dead ends: 274
[2020-08-18 18:27:04,409 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-08-18 18:27:04,410 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 274 states.
[2020-08-18 18:27:04,473 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220.
[2020-08-18 18:27:04,474 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-08-18 18:27:04,475 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions.
[2020-08-18 18:27:04,476 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51
[2020-08-18 18:27:04,476 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 18:27:04,476 INFO  L479      AbstractCegarLoop]: Abstraction has 220 states and 266 transitions.
[2020-08-18 18:27:04,476 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 18:27:04,477 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions.
[2020-08-18 18:27:04,479 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-08-18 18:27:04,479 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 18:27:04,479 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 18:27:04,480 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 18:27:04,480 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 18:27:04,480 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 18:27:04,480 INFO  L82        PathProgramCache]: Analyzing trace with hash 1809763606, now seen corresponding path program 1 times
[2020-08-18 18:27:04,480 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 18:27:04,481 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445481577]
[2020-08-18 18:27:04,481 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 18:27:04,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,770 WARN  L193               SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 18:27:04,771 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 18:27:04,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,799 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 18:27:04,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,801 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 18:27:04,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,803 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 18:27:04,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,806 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 18:27:04,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,828 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-18 18:27:04,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,831 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-18 18:27:04,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,849 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-08-18 18:27:04,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:04,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 18:27:04,862 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445481577]
[2020-08-18 18:27:04,862 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 18:27:04,862 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 18:27:04,862 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834464967]
[2020-08-18 18:27:04,863 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 18:27:04,863 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 18:27:04,863 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 18:27:04,864 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 18:27:04,864 INFO  L87              Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 8 states.
[2020-08-18 18:27:05,312 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 18:27:06,255 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:06,550 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:06,790 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:07,005 WARN  L193               SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 18:27:07,333 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 18:27:07,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 18:27:07,999 INFO  L93              Difference]: Finished difference Result 710 states and 931 transitions.
[2020-08-18 18:27:08,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-08-18 18:27:08,000 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 57
[2020-08-18 18:27:08,000 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 18:27:08,007 INFO  L225             Difference]: With dead ends: 710
[2020-08-18 18:27:08,007 INFO  L226             Difference]: Without dead ends: 514
[2020-08-18 18:27:08,010 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2020-08-18 18:27:08,011 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 514 states.
[2020-08-18 18:27:08,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 395.
[2020-08-18 18:27:08,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 395 states.
[2020-08-18 18:27:08,124 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions.
[2020-08-18 18:27:08,124 INFO  L78                 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57
[2020-08-18 18:27:08,125 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 18:27:08,125 INFO  L479      AbstractCegarLoop]: Abstraction has 395 states and 482 transitions.
[2020-08-18 18:27:08,125 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 18:27:08,125 INFO  L276                IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions.
[2020-08-18 18:27:08,127 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-08-18 18:27:08,128 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 18:27:08,128 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 18:27:08,128 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 18:27:08,128 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 18:27:08,129 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 18:27:08,129 INFO  L82        PathProgramCache]: Analyzing trace with hash -239053862, now seen corresponding path program 1 times
[2020-08-18 18:27:08,129 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 18:27:08,129 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329138702]
[2020-08-18 18:27:08,130 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 18:27:08,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,384 WARN  L193               SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 18:27:08,385 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 18:27:08,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,411 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 18:27:08,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,413 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 18:27:08,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,414 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 18:27:08,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,417 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 18:27:08,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,440 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-08-18 18:27:08,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,454 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-18 18:27:08,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,457 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-08-18 18:27:08,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,459 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-08-18 18:27:08,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 18:27:08,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 18:27:08,478 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329138702]
[2020-08-18 18:27:08,478 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 18:27:08,479 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-18 18:27:08,479 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662260756]
[2020-08-18 18:27:08,479 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-18 18:27:08,480 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 18:27:08,480 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-18 18:27:08,480 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-18 18:27:08,480 INFO  L87              Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 9 states.
[2020-08-18 18:27:08,851 WARN  L193               SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 18:27:09,701 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:09,966 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:10,201 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 18:27:10,515 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 18:27:10,515 INFO  L93              Difference]: Finished difference Result 725 states and 942 transitions.
[2020-08-18 18:27:10,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-08-18 18:27:10,521 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 61
[2020-08-18 18:27:10,521 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 18:27:10,521 INFO  L225             Difference]: With dead ends: 725
[2020-08-18 18:27:10,521 INFO  L226             Difference]: Without dead ends: 0
[2020-08-18 18:27:10,525 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240
[2020-08-18 18:27:10,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-18 18:27:10,525 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-18 18:27:10,525 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-18 18:27:10,525 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-18 18:27:10,526 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61
[2020-08-18 18:27:10,526 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 18:27:10,526 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-18 18:27:10,526 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-18 18:27:10,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-18 18:27:10,527 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-18 18:27:10,527 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 18:27:10,529 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-18 18:27:13,412 WARN  L193               SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9
[2020-08-18 18:27:13,729 WARN  L193               SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-18 18:27:13,894 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 18:27:14,069 WARN  L193               SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1
[2020-08-18 18:27:14,227 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 18:27:14,414 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-18 18:27:14,599 WARN  L193               SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 18:27:14,894 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9
[2020-08-18 18:27:15,198 WARN  L193               SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-18 18:27:15,353 WARN  L193               SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1
[2020-08-18 18:27:15,667 WARN  L193               SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8
[2020-08-18 18:27:15,875 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8
[2020-08-18 18:27:16,026 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-18 18:27:16,308 WARN  L193               SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8
[2020-08-18 18:27:16,464 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-18 18:27:16,926 WARN  L193               SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14
[2020-08-18 18:27:17,110 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 18:27:17,282 WARN  L193               SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 18:27:17,427 WARN  L193               SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 18:27:17,576 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-18 18:27:17,725 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 18:27:17,930 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-18 18:27:18,239 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-18 18:27:18,255 INFO  L268        CegarLoopResult]: For program point  L386-2(lines 386 407)  no Hoare annotation was computed.
[2020-08-18 18:27:18,255 INFO  L268        CegarLoopResult]: For program point  L408(lines 385 409)  no Hoare annotation was computed.
[2020-08-18 18:27:18,255 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 361 416)  no Hoare annotation was computed.
[2020-08-18 18:27:18,256 INFO  L268        CegarLoopResult]: For program point  L392(lines 392 396)  no Hoare annotation was computed.
[2020-08-18 18:27:18,256 INFO  L268        CegarLoopResult]: For program point  L392-1(lines 392 396)  no Hoare annotation was computed.
[2020-08-18 18:27:18,256 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 361 416)  no Hoare annotation was computed.
[2020-08-18 18:27:18,256 INFO  L268        CegarLoopResult]: For program point  L387(line 387)  no Hoare annotation was computed.
[2020-08-18 18:27:18,257 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 361 416)  no Hoare annotation was computed.
[2020-08-18 18:27:18,257 INFO  L268        CegarLoopResult]: For program point  L449(lines 449 453)  no Hoare annotation was computed.
[2020-08-18 18:27:18,257 INFO  L268        CegarLoopResult]: For program point  L449-1(lines 449 453)  no Hoare annotation was computed.
[2020-08-18 18:27:18,257 INFO  L268        CegarLoopResult]: For program point  L444(line 444)  no Hoare annotation was computed.
[2020-08-18 18:27:18,257 INFO  L268        CegarLoopResult]: For program point  L443-2(lines 443 468)  no Hoare annotation was computed.
[2020-08-18 18:27:18,257 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 417 476)  no Hoare annotation was computed.
[2020-08-18 18:27:18,257 INFO  L268        CegarLoopResult]: For program point  L469(lines 442 470)  no Hoare annotation was computed.
[2020-08-18 18:27:18,258 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 417 476)  no Hoare annotation was computed.
[2020-08-18 18:27:18,258 INFO  L268        CegarLoopResult]: For program point  L462(line 462)  no Hoare annotation was computed.
[2020-08-18 18:27:18,258 INFO  L268        CegarLoopResult]: For program point  L462-1(line 462)  no Hoare annotation was computed.
[2020-08-18 18:27:18,258 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 417 476)  no Hoare annotation was computed.
[2020-08-18 18:27:18,258 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 61 67)  the Hoare annotation is:  true
[2020-08-18 18:27:18,258 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 61 67)  no Hoare annotation was computed.
[2020-08-18 18:27:18,258 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 68 76)  no Hoare annotation was computed.
[2020-08-18 18:27:18,259 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 68 76)  the Hoare annotation is:  true
[2020-08-18 18:27:18,259 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 68 76)  no Hoare annotation was computed.
[2020-08-18 18:27:18,259 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 285 307)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,259 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 285 307)  no Hoare annotation was computed.
[2020-08-18 18:27:18,259 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 285 307)  no Hoare annotation was computed.
[2020-08-18 18:27:18,259 INFO  L264        CegarLoopResult]: At program point  L297(line 297)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,260 INFO  L264        CegarLoopResult]: At program point  L297-1(line 297)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,260 INFO  L268        CegarLoopResult]: For program point  L295(lines 295 302)  no Hoare annotation was computed.
[2020-08-18 18:27:18,260 INFO  L268        CegarLoopResult]: For program point  L295-1(lines 295 302)  no Hoare annotation was computed.
[2020-08-18 18:27:18,260 INFO  L268        CegarLoopResult]: For program point  L293(line 293)  no Hoare annotation was computed.
[2020-08-18 18:27:18,260 INFO  L264        CegarLoopResult]: At program point  L292(line 292)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,261 INFO  L264        CegarLoopResult]: At program point  L291(line 291)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,261 INFO  L264        CegarLoopResult]: At program point  L291-1(line 291)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,261 INFO  L268        CegarLoopResult]: For program point  L257(line 257)  no Hoare annotation was computed.
[2020-08-18 18:27:18,261 INFO  L268        CegarLoopResult]: For program point  L256(line 256)  no Hoare annotation was computed.
[2020-08-18 18:27:18,261 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 243 266)  no Hoare annotation was computed.
[2020-08-18 18:27:18,261 INFO  L268        CegarLoopResult]: For program point  L255(line 255)  no Hoare annotation was computed.
[2020-08-18 18:27:18,262 INFO  L268        CegarLoopResult]: For program point  L254(line 254)  no Hoare annotation was computed.
[2020-08-18 18:27:18,262 INFO  L268        CegarLoopResult]: For program point  L253(line 253)  no Hoare annotation was computed.
[2020-08-18 18:27:18,262 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 243 266)  no Hoare annotation was computed.
[2020-08-18 18:27:18,262 INFO  L268        CegarLoopResult]: For program point  L252(line 252)  no Hoare annotation was computed.
[2020-08-18 18:27:18,262 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 243 266)  no Hoare annotation was computed.
[2020-08-18 18:27:18,262 INFO  L268        CegarLoopResult]: For program point  L251(line 251)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  L250(line 250)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  L249(line 249)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  L248(line 248)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  L261(line 261)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  L260(line 260)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  L259(line 259)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  L258(line 258)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L268        CegarLoopResult]: For program point  stopSystemEXIT(lines 914 928)  no Hoare annotation was computed.
[2020-08-18 18:27:18,263 INFO  L264        CegarLoopResult]: At program point  L920(line 920)  the Hoare annotation is:  (not (= |old(~pumpRunning~0)| 0))
[2020-08-18 18:27:18,264 INFO  L268        CegarLoopResult]: For program point  L918(lines 918 924)  no Hoare annotation was computed.
[2020-08-18 18:27:18,264 INFO  L264        CegarLoopResult]: At program point  stopSystemENTRY(lines 914 928)  the Hoare annotation is:  (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))
[2020-08-18 18:27:18,264 INFO  L268        CegarLoopResult]: For program point  stopSystemFINAL(lines 914 928)  no Hoare annotation was computed.
[2020-08-18 18:27:18,264 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 850 858)  no Hoare annotation was computed.
[2020-08-18 18:27:18,264 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 850 858)  the Hoare annotation is:  true
[2020-08-18 18:27:18,264 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 850 858)  no Hoare annotation was computed.
[2020-08-18 18:27:18,264 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 895 913)  the Hoare annotation is:  true
[2020-08-18 18:27:18,264 INFO  L268        CegarLoopResult]: For program point  L904(lines 904 908)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L271        CegarLoopResult]: At program point  L902(line 902)  the Hoare annotation is:  true
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  L904-2(lines 904 908)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 895 913)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  L902-1(line 902)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 895 913)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  L866-2(lines 866 874)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  L889(line 889)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  L889-1(line 889)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 859 894)  no Hoare annotation was computed.
[2020-08-18 18:27:18,265 INFO  L268        CegarLoopResult]: For program point  L878(lines 878 886)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  L878-2(lines 878 886)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 859 894)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 859 894)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  L866(lines 866 874)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 54 60)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 54 60)  the Hoare annotation is:  true
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 315 360)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 315 360)  no Hoare annotation was computed.
[2020-08-18 18:27:18,266 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 315 360)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  L642-1(lines 642 662)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 628 673)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 628 673)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  L648(lines 648 655)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 628 673)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  L642(lines 642 662)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 275 284)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 275 284)  no Hoare annotation was computed.
[2020-08-18 18:27:18,267 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 275 284)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 839 849)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L268        CegarLoopResult]: For program point  L844(line 844)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L268        CegarLoopResult]: For program point  L844-1(line 844)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 839 849)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 839 849)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 831 838)  the Hoare annotation is:  true
[2020-08-18 18:27:18,268 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 831 838)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 831 838)  no Hoare annotation was computed.
[2020-08-18 18:27:18,268 INFO  L264        CegarLoopResult]: At program point  L799(line 799)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,269 INFO  L268        CegarLoopResult]: For program point  L799-1(lines 780 804)  no Hoare annotation was computed.
[2020-08-18 18:27:18,269 INFO  L264        CegarLoopResult]: At program point  L794(line 794)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,269 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 780 804)  no Hoare annotation was computed.
[2020-08-18 18:27:18,269 INFO  L264        CegarLoopResult]: At program point  L790(line 790)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,269 INFO  L268        CegarLoopResult]: For program point  L788(lines 788 796)  no Hoare annotation was computed.
[2020-08-18 18:27:18,269 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 780 804)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,270 INFO  L264        CegarLoopResult]: At program point  L786(line 786)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,270 INFO  L268        CegarLoopResult]: For program point  L786-1(line 786)  no Hoare annotation was computed.
[2020-08-18 18:27:18,270 INFO  L268        CegarLoopResult]: For program point  L784(lines 784 801)  no Hoare annotation was computed.
[2020-08-18 18:27:18,270 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 772 778)  no Hoare annotation was computed.
[2020-08-18 18:27:18,270 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 772 778)  the Hoare annotation is:  true
[2020-08-18 18:27:18,271 INFO  L268        CegarLoopResult]: For program point  L706-1(lines 706 712)  no Hoare annotation was computed.
[2020-08-18 18:27:18,271 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 676 741)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,271 INFO  L264        CegarLoopResult]: At program point  L731(lines 686 733)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 18:27:18,271 INFO  L264        CegarLoopResult]: At program point  L698(line 698)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 18:27:18,271 INFO  L268        CegarLoopResult]: For program point  L696(lines 696 702)  no Hoare annotation was computed.
[2020-08-18 18:27:18,271 INFO  L268        CegarLoopResult]: For program point  L696-1(lines 696 702)  no Hoare annotation was computed.
[2020-08-18 18:27:18,272 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 676 741)  no Hoare annotation was computed.
[2020-08-18 18:27:18,272 INFO  L268        CegarLoopResult]: For program point  L688(lines 688 692)  no Hoare annotation was computed.
[2020-08-18 18:27:18,272 INFO  L264        CegarLoopResult]: At program point  L734(lines 685 735)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 18:27:18,272 INFO  L264        CegarLoopResult]: At program point  L724(line 724)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 18:27:18,272 INFO  L268        CegarLoopResult]: For program point  L722(lines 722 728)  no Hoare annotation was computed.
[2020-08-18 18:27:18,272 INFO  L264        CegarLoopResult]: At program point  L722-1(lines 716 729)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 18:27:18,273 INFO  L268        CegarLoopResult]: For program point  L687(lines 686 733)  no Hoare annotation was computed.
[2020-08-18 18:27:18,273 INFO  L268        CegarLoopResult]: For program point  L716(lines 716 729)  no Hoare annotation was computed.
[2020-08-18 18:27:18,273 INFO  L264        CegarLoopResult]: At program point  L708(line 708)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 18:27:18,273 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 676 741)  no Hoare annotation was computed.
[2020-08-18 18:27:18,273 INFO  L268        CegarLoopResult]: For program point  L706(lines 706 712)  no Hoare annotation was computed.
[2020-08-18 18:27:18,273 INFO  L268        CegarLoopResult]: For program point  L602(lines 602 609)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 582 627)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 582 627)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  L596(lines 596 616)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  L596-1(lines 596 616)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 582 627)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorENTRY(lines 805 812)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorFINAL(lines 805 812)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorEXIT(lines 805 812)  no Hoare annotation was computed.
[2020-08-18 18:27:18,274 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 173 181)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 173 181)  the Hoare annotation is:  true
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 173 181)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 141 163)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 141 163)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  L149(lines 149 157)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 141 163)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  L149-2(lines 149 157)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 44 53)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 44 53)  no Hoare annotation was computed.
[2020-08-18 18:27:18,275 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 44 53)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 479 581)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L508(lines 508 524)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L568(lines 568 575)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L529(lines 528 548)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L560(line 560)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L560-1(line 560)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L525(lines 525 566)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 479 581)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L544(line 544)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L544-1(line 544)  no Hoare annotation was computed.
[2020-08-18 18:27:18,276 INFO  L268        CegarLoopResult]: For program point  L503(lines 503 507)  no Hoare annotation was computed.
[2020-08-18 18:27:18,277 INFO  L268        CegarLoopResult]: For program point  L567(lines 567 578)  no Hoare annotation was computed.
[2020-08-18 18:27:18,277 INFO  L268        CegarLoopResult]: For program point  L530(lines 530 534)  no Hoare annotation was computed.
[2020-08-18 18:27:18,277 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 479 581)  no Hoare annotation was computed.
[2020-08-18 18:27:18,277 INFO  L268        CegarLoopResult]: For program point  L528-2(lines 528 548)  no Hoare annotation was computed.
[2020-08-18 18:27:18,277 INFO  L268        CegarLoopResult]: For program point  L549(lines 527 550)  no Hoare annotation was computed.
[2020-08-18 18:27:18,277 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 18:27:18,277 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-18 18:27:18,277 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 814 830)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  L825(line 825)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 814 830)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  L825-1(lines 814 830)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  L821(lines 821 827)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  L819(line 819)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  L819-1(line 819)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 164 172)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 164 172)  no Hoare annotation was computed.
[2020-08-18 18:27:18,278 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 164 172)  no Hoare annotation was computed.
[2020-08-18 18:27:18,279 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 120 131)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-18 18:27:18,279 INFO  L268        CegarLoopResult]: For program point  L124-1(lines 120 131)  no Hoare annotation was computed.
[2020-08-18 18:27:18,279 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 120 131)  no Hoare annotation was computed.
[2020-08-18 18:27:18,279 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 18:27:18,279 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-18 18:27:18,279 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 18:27:18,279 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 132 140)  the Hoare annotation is:  true
[2020-08-18 18:27:18,280 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 132 140)  no Hoare annotation was computed.
[2020-08-18 18:27:18,280 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 132 140)  no Hoare annotation was computed.
[2020-08-18 18:27:18,280 INFO  L264        CegarLoopResult]: At program point  L761(line 761)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,280 INFO  L264        CegarLoopResult]: At program point  L759(lines 759 765)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,280 INFO  L264        CegarLoopResult]: At program point  L754(line 754)  the Hoare annotation is:  (not (= |old(~pumpRunning~0)| 0))
[2020-08-18 18:27:18,280 INFO  L268        CegarLoopResult]: For program point  L752(lines 751 770)  no Hoare annotation was computed.
[2020-08-18 18:27:18,280 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 748 771)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 18:27:18,280 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 748 771)  no Hoare annotation was computed.
[2020-08-18 18:27:18,281 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 748 771)  no Hoare annotation was computed.
[2020-08-18 18:27:18,281 INFO  L271        CegarLoopResult]: At program point  L226-1(lines 226 230)  the Hoare annotation is:  true
[2020-08-18 18:27:18,281 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 212 241)  no Hoare annotation was computed.
[2020-08-18 18:27:18,281 INFO  L268        CegarLoopResult]: For program point  L223(line 223)  no Hoare annotation was computed.
[2020-08-18 18:27:18,281 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 212 241)  the Hoare annotation is:  true
[2020-08-18 18:27:18,281 INFO  L271        CegarLoopResult]: At program point  L222-2(lines 222 236)  the Hoare annotation is:  true
[2020-08-18 18:27:18,282 INFO  L271        CegarLoopResult]: At program point  L218(line 218)  the Hoare annotation is:  true
[2020-08-18 18:27:18,282 INFO  L268        CegarLoopResult]: For program point  L218-1(line 218)  no Hoare annotation was computed.
[2020-08-18 18:27:18,282 INFO  L271        CegarLoopResult]: At program point  L237(lines 212 241)  the Hoare annotation is:  true
[2020-08-18 18:27:18,282 INFO  L268        CegarLoopResult]: For program point  L233(line 233)  no Hoare annotation was computed.
[2020-08-18 18:27:18,282 INFO  L268        CegarLoopResult]: For program point  L226(lines 226 230)  no Hoare annotation was computed.
[2020-08-18 18:27:18,282 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 96 107)  the Hoare annotation is:  true
[2020-08-18 18:27:18,282 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 96 107)  no Hoare annotation was computed.
[2020-08-18 18:27:18,283 INFO  L268        CegarLoopResult]: For program point  L100-1(lines 96 107)  no Hoare annotation was computed.
[2020-08-18 18:27:18,283 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 267 273)  no Hoare annotation was computed.
[2020-08-18 18:27:18,283 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 267 273)  the Hoare annotation is:  true
[2020-08-18 18:27:18,283 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 18:27:18,283 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))
[2020-08-18 18:27:18,283 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-18 18:27:18,284 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 18:27:18,284 INFO  L268        CegarLoopResult]: For program point  L112-1(lines 108 119)  no Hoare annotation was computed.
[2020-08-18 18:27:18,284 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 108 119)  no Hoare annotation was computed.
[2020-08-18 18:27:18,284 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 108 119)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-18 18:27:18,284 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 78 85)  no Hoare annotation was computed.
[2020-08-18 18:27:18,284 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82)  no Hoare annotation was computed.
[2020-08-18 18:27:18,285 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 78 85)  the Hoare annotation is:  true
[2020-08-18 18:27:18,285 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 78 85)  no Hoare annotation was computed.
[2020-08-18 18:27:18,285 INFO  L268        CegarLoopResult]: For program point  L194-1(line 194)  no Hoare annotation was computed.
[2020-08-18 18:27:18,285 INFO  L268        CegarLoopResult]: For program point  L192(lines 192 205)  no Hoare annotation was computed.
[2020-08-18 18:27:18,285 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 184 208)  no Hoare annotation was computed.
[2020-08-18 18:27:18,285 INFO  L271        CegarLoopResult]: At program point  L190(line 190)  the Hoare annotation is:  true
[2020-08-18 18:27:18,285 INFO  L268        CegarLoopResult]: For program point  L190-1(line 190)  no Hoare annotation was computed.
[2020-08-18 18:27:18,286 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 184 208)  the Hoare annotation is:  true
[2020-08-18 18:27:18,286 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 184 208)  no Hoare annotation was computed.
[2020-08-18 18:27:18,286 INFO  L264        CegarLoopResult]: At program point  L198(line 198)  the Hoare annotation is:  (not (= ~pumpRunning~0 0))
[2020-08-18 18:27:18,286 INFO  L268        CegarLoopResult]: For program point  L196(lines 196 202)  no Hoare annotation was computed.
[2020-08-18 18:27:18,286 INFO  L264        CegarLoopResult]: At program point  L194(line 194)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)))
[2020-08-18 18:27:18,304 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 06:27:18 BoogieIcfgContainer
[2020-08-18 18:27:18,304 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 18:27:18,306 INFO  L168              Benchmark]: Toolchain (without parser) took 23080.50 ms. Allocated memory was 144.7 MB in the beginning and 605.0 MB in the end (delta: 460.3 MB). Free memory was 99.4 MB in the beginning and 77.0 MB in the end (delta: 22.3 MB). Peak memory consumption was 488.7 MB. Max. memory is 7.1 GB.
[2020-08-18 18:27:18,307 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-18 18:27:18,308 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 613.58 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 99.1 MB in the beginning and 169.0 MB in the end (delta: -69.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
[2020-08-18 18:27:18,309 INFO  L168              Benchmark]: Boogie Preprocessor took 120.82 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 164.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2020-08-18 18:27:18,310 INFO  L168              Benchmark]: RCFGBuilder took 1141.90 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 164.4 MB in the beginning and 194.9 MB in the end (delta: -30.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
[2020-08-18 18:27:18,311 INFO  L168              Benchmark]: TraceAbstraction took 21199.36 ms. Allocated memory was 230.2 MB in the beginning and 605.0 MB in the end (delta: 374.9 MB). Free memory was 194.9 MB in the beginning and 77.0 MB in the end (delta: 117.9 MB). Peak memory consumption was 498.8 MB. Max. memory is 7.1 GB.
[2020-08-18 18:27:18,315 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 613.58 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 99.1 MB in the beginning and 169.0 MB in the end (delta: -69.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 120.82 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 164.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1141.90 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 164.4 MB in the beginning and 194.9 MB in the end (delta: -30.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 21199.36 ms. Allocated memory was 230.2 MB in the beginning and 605.0 MB in the end (delta: 374.9 MB). Free memory was 194.9 MB in the beginning and 77.0 MB in the end (delta: 117.9 MB). Peak memory consumption was 498.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 82]: 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: 685]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 222]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 212]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 686]: Loop Invariant
    Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 461 SDtfs, 727 SDslu, 408 SDs, 0 SdLazy, 1994 SolverSat, 459 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 677 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 52 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...