/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c


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


This is Ultimate 0.1.25-177f698
[2020-08-21 13:04:19,912 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 13:04:19,914 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 13:04:19,937 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 13:04:19,937 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 13:04:19,938 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 13:04:19,939 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 13:04:19,941 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 13:04:19,943 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 13:04:19,943 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-21 13:04:19,944 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-21 13:04:19,946 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 13:04:19,946 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 13:04:19,947 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 13:04:19,948 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 13:04:19,949 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 13:04:19,950 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 13:04:19,951 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 13:04:19,952 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 13:04:19,954 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 13:04:19,955 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 13:04:19,957 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 13:04:19,958 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 13:04:19,958 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 13:04:19,961 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 13:04:19,961 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 13:04:19,961 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 13:04:19,962 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 13:04:19,962 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-21 13:04:19,963 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-21 13:04:19,963 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 13:04:19,964 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 13:04:19,965 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 13:04:19,966 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 13:04:19,967 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 13:04:19,967 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-21 13:04:19,968 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-21 13:04:19,968 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-21 13:04:19,968 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-21 13:04:19,969 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-21 13:04:19,970 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 13:04:19,970 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
[2020-08-21 13:04:19,992 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 13:04:19,993 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 13:04:19,994 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 13:04:19,994 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 13:04:19,994 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 13:04:19,995 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 13:04:19,995 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 13:04:19,995 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 13:04:19,995 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 13:04:19,995 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 13:04:19,996 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 13:04:19,996 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 13:04:19,996 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 13:04:19,996 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 13:04:19,996 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 13:04:19,997 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 13:04:19,997 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 13:04:19,997 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 13:04:19,997 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 13:04:19,998 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 13:04:19,998 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 13:04:19,998 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 13:04:19,998 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 13:04:19,998 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 13:04:19,999 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 13:04:19,999 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 13:04:19,999 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 13:04:19,999 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 13:04:19,999 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 13:04:20,000 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 -> false
[2020-08-21 13:04:20,310 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 13:04:20,330 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 13:04:20,334 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 13:04:20,336 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 13:04:20,336 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 13:04:20,338 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c
[2020-08-21 13:04:20,413 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5bb93f2/06afeca71ca64a9d8264d0aef9b141ad/FLAGb4b1390cb
[2020-08-21 13:04:20,967 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 13:04:20,970 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c
[2020-08-21 13:04:20,988 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5bb93f2/06afeca71ca64a9d8264d0aef9b141ad/FLAGb4b1390cb
[2020-08-21 13:04:21,210 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa5bb93f2/06afeca71ca64a9d8264d0aef9b141ad
[2020-08-21 13:04:21,221 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 13:04:21,223 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 13:04:21,224 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 13:04:21,225 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 13:04:21,229 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 13:04:21,230 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,233 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265a33a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21, skipping insertion in model container
[2020-08-21 13:04:21,234 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,242 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 13:04:21,284 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 13:04:21,645 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 13:04:21,757 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 13:04:21,841 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 13:04:21,875 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 13:04:21,875 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21 WrapperNode
[2020-08-21 13:04:21,876 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 13:04:21,876 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 13:04:21,877 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 13:04:21,877 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 13:04:21,892 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,893 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,913 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,913 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,946 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,956 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,961 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (1/1) ...
[2020-08-21 13:04:21,971 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 13:04:21,972 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 13:04:21,972 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 13:04:21,972 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 13:04:21,973 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (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
[2020-08-21 13:04:22,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 13:04:22,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 13:04:22,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-21 13:04:22,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-21 13:04:22,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-21 13:04:22,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-21 13:04:22,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-21 13:04:22,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-21 13:04:22,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-21 13:04:22,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-21 13:04:22,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-21 13:04:22,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-21 13:04:22,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 13:04:22,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-21 13:04:22,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-08-21 13:04:22,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-21 13:04:22,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-21 13:04:22,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-21 13:04:22,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-21 13:04:22,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-21 13:04:22,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-21 13:04:22,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-08-21 13:04:22,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-21 13:04:22,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-21 13:04:22,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-21 13:04:22,049 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-21 13:04:22,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-21 13:04:22,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-21 13:04:22,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-21 13:04:22,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-21 13:04:22,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-21 13:04:22,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-21 13:04:22,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-21 13:04:22,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-21 13:04:22,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-21 13:04:22,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-21 13:04:22,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-21 13:04:22,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-08-21 13:04:22,051 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 13:04:22,051 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-21 13:04:22,052 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-21 13:04:22,053 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-21 13:04:22,053 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-21 13:04:22,053 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-21 13:04:22,053 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-21 13:04:22,054 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-21 13:04:22,054 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-21 13:04:22,054 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-21 13:04:22,054 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-21 13:04:22,054 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 13:04:22,055 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-21 13:04:22,055 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-21 13:04:22,055 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-08-21 13:04:22,055 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-21 13:04:22,055 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-21 13:04:22,055 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-21 13:04:22,056 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-21 13:04:22,056 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-08-21 13:04:22,056 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-08-21 13:04:22,056 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-21 13:04:22,056 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-21 13:04:22,056 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-21 13:04:22,056 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-21 13:04:22,057 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-21 13:04:22,058 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-21 13:04:22,058 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-21 13:04:22,058 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-21 13:04:22,059 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-21 13:04:22,059 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-21 13:04:22,059 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-21 13:04:22,059 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-21 13:04:22,060 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-21 13:04:22,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-21 13:04:22,060 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-21 13:04:22,060 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-21 13:04:22,061 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-21 13:04:22,061 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-21 13:04:22,061 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-21 13:04:22,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 13:04:22,062 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-21 13:04:22,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 13:04:23,098 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 13:04:23,099 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-21 13:04:23,104 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:04:23 BoogieIcfgContainer
[2020-08-21 13:04:23,104 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 13:04:23,105 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 13:04:23,105 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 13:04:23,108 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 13:04:23,109 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:04:21" (1/3) ...
[2020-08-21 13:04:23,109 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b63dc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:04:23, skipping insertion in model container
[2020-08-21 13:04:23,110 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:04:21" (2/3) ...
[2020-08-21 13:04:23,110 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b63dc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:04:23, skipping insertion in model container
[2020-08-21 13:04:23,110 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:04:23" (3/3) ...
[2020-08-21 13:04:23,112 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c
[2020-08-21 13:04:23,122 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 13:04:23,130 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 13:04:23,144 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 13:04:23,168 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 13:04:23,168 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 13:04:23,168 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 13:04:23,169 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 13:04:23,169 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 13:04:23,169 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 13:04:23,169 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 13:04:23,169 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 13:04:23,190 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states.
[2020-08-21 13:04:23,200 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-21 13:04:23,200 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:04:23,201 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]
[2020-08-21 13:04:23,201 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:04:23,206 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:04:23,206 INFO  L82        PathProgramCache]: Analyzing trace with hash -579503405, now seen corresponding path program 1 times
[2020-08-21 13:04:23,213 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:04:23,213 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546378568]
[2020-08-21 13:04:23,214 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:04:23,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,880 WARN  L193               SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:04:23,882 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:04:23,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,927 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:04:23,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,930 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:04:23,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,935 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:04:23,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,944 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:04:23,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,949 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-21 13:04:23,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,954 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-21 13:04:23,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:23,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:04:23,975 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546378568]
[2020-08-21 13:04:23,977 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:04:23,987 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 13:04:23,988 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599840635]
[2020-08-21 13:04:23,995 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 13:04:23,996 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:04:24,011 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 13:04:24,012 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 13:04:24,014 INFO  L87              Difference]: Start difference. First operand 154 states. Second operand 3 states.
[2020-08-21 13:04:25,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:04:25,080 INFO  L93              Difference]: Finished difference Result 256 states and 337 transitions.
[2020-08-21 13:04:25,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 13:04:25,083 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-21 13:04:25,083 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:04:25,098 INFO  L225             Difference]: With dead ends: 256
[2020-08-21 13:04:25,099 INFO  L226             Difference]: Without dead ends: 139
[2020-08-21 13:04:25,104 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 13:04:25,127 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2020-08-21 13:04:25,185 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108.
[2020-08-21 13:04:25,187 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 108 states.
[2020-08-21 13:04:25,189 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions.
[2020-08-21 13:04:25,191 INFO  L78                 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46
[2020-08-21 13:04:25,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:04:25,192 INFO  L479      AbstractCegarLoop]: Abstraction has 108 states and 125 transitions.
[2020-08-21 13:04:25,192 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 13:04:25,192 INFO  L276                IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions.
[2020-08-21 13:04:25,199 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-21 13:04:25,199 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:04:25,200 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]
[2020-08-21 13:04:25,200 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 13:04:25,200 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:04:25,201 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:04:25,201 INFO  L82        PathProgramCache]: Analyzing trace with hash -1270890065, now seen corresponding path program 1 times
[2020-08-21 13:04:25,201 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:04:25,201 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824066896]
[2020-08-21 13:04:25,201 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:04:25,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,503 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:04:25,504 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:04:25,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,558 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:04:25,559 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,561 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:04:25,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,565 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:04:25,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,571 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:04:25,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,572 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-21 13:04:25,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,578 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-21 13:04:25,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:25,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:04:25,589 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824066896]
[2020-08-21 13:04:25,589 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:04:25,589 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 13:04:25,589 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388176044]
[2020-08-21 13:04:25,592 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 13:04:25,593 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:04:25,593 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 13:04:25,593 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-21 13:04:25,593 INFO  L87              Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states.
[2020-08-21 13:04:25,987 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 13:04:26,711 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:04:26,712 INFO  L93              Difference]: Finished difference Result 185 states and 224 transitions.
[2020-08-21 13:04:26,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-21 13:04:26,713 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-21 13:04:26,714 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:04:26,716 INFO  L225             Difference]: With dead ends: 185
[2020-08-21 13:04:26,717 INFO  L226             Difference]: Without dead ends: 123
[2020-08-21 13:04:26,719 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
[2020-08-21 13:04:26,721 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2020-08-21 13:04:26,769 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99.
[2020-08-21 13:04:26,769 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 99 states.
[2020-08-21 13:04:26,772 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions.
[2020-08-21 13:04:26,772 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47
[2020-08-21 13:04:26,773 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:04:26,773 INFO  L479      AbstractCegarLoop]: Abstraction has 99 states and 113 transitions.
[2020-08-21 13:04:26,773 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 13:04:26,774 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions.
[2020-08-21 13:04:26,785 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-21 13:04:26,785 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:04:26,786 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]
[2020-08-21 13:04:26,786 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 13:04:26,786 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:04:26,786 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:04:26,786 INFO  L82        PathProgramCache]: Analyzing trace with hash 370634137, now seen corresponding path program 1 times
[2020-08-21 13:04:26,787 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:04:26,787 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377988183]
[2020-08-21 13:04:26,787 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:04:26,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,180 WARN  L193               SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:04:27,182 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:04:27,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,278 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:04:27,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,281 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:04:27,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,283 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:04:27,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,328 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:04:27,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,331 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-21 13:04:27,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,336 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-21 13:04:27,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:27,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:04:27,354 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377988183]
[2020-08-21 13:04:27,354 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:04:27,355 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-21 13:04:27,355 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610889122]
[2020-08-21 13:04:27,356 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 13:04:27,356 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:04:27,356 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 13:04:27,356 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 13:04:27,357 INFO  L87              Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states.
[2020-08-21 13:04:27,714 WARN  L193               SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:04:28,034 WARN  L193               SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:28,289 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:28,561 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:29,506 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:04:29,506 INFO  L93              Difference]: Finished difference Result 198 states and 242 transitions.
[2020-08-21 13:04:29,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-08-21 13:04:29,526 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 52
[2020-08-21 13:04:29,527 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:04:29,529 INFO  L225             Difference]: With dead ends: 198
[2020-08-21 13:04:29,529 INFO  L226             Difference]: Without dead ends: 123
[2020-08-21 13:04:29,530 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-08-21 13:04:29,531 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2020-08-21 13:04:29,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99.
[2020-08-21 13:04:29,559 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 99 states.
[2020-08-21 13:04:29,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions.
[2020-08-21 13:04:29,560 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52
[2020-08-21 13:04:29,561 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:04:29,561 INFO  L479      AbstractCegarLoop]: Abstraction has 99 states and 112 transitions.
[2020-08-21 13:04:29,561 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 13:04:29,561 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions.
[2020-08-21 13:04:29,562 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-08-21 13:04:29,562 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:04:29,562 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]
[2020-08-21 13:04:29,562 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 13:04:29,563 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:04:29,563 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:04:29,563 INFO  L82        PathProgramCache]: Analyzing trace with hash -897507814, now seen corresponding path program 1 times
[2020-08-21 13:04:29,563 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:04:29,564 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785719645]
[2020-08-21 13:04:29,564 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:04:29,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,844 WARN  L193               SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:04:29,848 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:04:29,874 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,893 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:04:29,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,895 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:04:29,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,897 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:04:29,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,900 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:04:29,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,912 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-08-21 13:04:29,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,915 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-21 13:04:29,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,917 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2020-08-21 13:04:29,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,930 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2020-08-21 13:04:29,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:29,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:04:29,940 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785719645]
[2020-08-21 13:04:29,940 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:04:29,940 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-21 13:04:29,941 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224376926]
[2020-08-21 13:04:29,941 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 13:04:29,941 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:04:29,942 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 13:04:29,942 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 13:04:29,942 INFO  L87              Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states.
[2020-08-21 13:04:30,286 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:04:31,285 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:31,583 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:31,835 WARN  L193               SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:32,086 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:04:32,429 WARN  L193               SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 13:04:33,110 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:04:33,111 INFO  L93              Difference]: Finished difference Result 309 states and 402 transitions.
[2020-08-21 13:04:33,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-08-21 13:04:33,113 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 60
[2020-08-21 13:04:33,114 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:04:33,118 INFO  L225             Difference]: With dead ends: 309
[2020-08-21 13:04:33,118 INFO  L226             Difference]: Without dead ends: 234
[2020-08-21 13:04:33,120 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2020-08-21 13:04:33,120 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 234 states.
[2020-08-21 13:04:33,164 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 165.
[2020-08-21 13:04:33,164 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 165 states.
[2020-08-21 13:04:33,165 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions.
[2020-08-21 13:04:33,166 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60
[2020-08-21 13:04:33,166 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:04:33,166 INFO  L479      AbstractCegarLoop]: Abstraction has 165 states and 190 transitions.
[2020-08-21 13:04:33,166 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 13:04:33,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions.
[2020-08-21 13:04:33,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-08-21 13:04:33,168 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:04:33,168 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 13:04:33,168 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 13:04:33,169 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:04:33,169 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:04:33,169 INFO  L82        PathProgramCache]: Analyzing trace with hash 824132758, now seen corresponding path program 1 times
[2020-08-21 13:04:33,169 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:04:33,169 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516228937]
[2020-08-21 13:04:33,170 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:04:33,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,445 WARN  L193               SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:04:33,446 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:04:33,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,473 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:04:33,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,475 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:04:33,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,477 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:04:33,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,479 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:04:33,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,517 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-08-21 13:04:33,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,532 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-08-21 13:04:33,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,542 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-21 13:04:33,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,544 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2020-08-21 13:04:33,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,546 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2020-08-21 13:04:33,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:04:33,578 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:04:33,579 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516228937]
[2020-08-21 13:04:33,579 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:04:33,579 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-21 13:04:33,579 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712762600]
[2020-08-21 13:04:33,581 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-21 13:04:33,582 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:04:33,582 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-21 13:04:33,582 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-21 13:04:33,582 INFO  L87              Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 9 states.
[2020-08-21 13:04:33,947 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:04:34,789 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:35,038 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:35,280 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:04:35,449 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:04:35,449 INFO  L93              Difference]: Finished difference Result 291 states and 358 transitions.
[2020-08-21 13:04:35,450 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-21 13:04:35,450 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 64
[2020-08-21 13:04:35,451 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:04:35,451 INFO  L225             Difference]: With dead ends: 291
[2020-08-21 13:04:35,451 INFO  L226             Difference]: Without dead ends: 0
[2020-08-21 13:04:35,454 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210
[2020-08-21 13:04:35,454 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 13:04:35,454 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 13:04:35,454 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 13:04:35,455 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 13:04:35,455 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64
[2020-08-21 13:04:35,455 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:04:35,455 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 13:04:35,455 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-21 13:04:35,455 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 13:04:35,455 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 13:04:35,456 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 13:04:35,458 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 13:04:37,129 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11
[2020-08-21 13:04:37,292 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:04:37,455 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-21 13:04:37,669 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:04:37,856 WARN  L193               SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:04:38,156 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11
[2020-08-21 13:04:38,479 WARN  L193               SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15
[2020-08-21 13:04:38,675 WARN  L193               SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:04:39,008 WARN  L193               SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15
[2020-08-21 13:04:39,310 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12
[2020-08-21 13:04:39,644 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12
[2020-08-21 13:04:39,802 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:04:40,106 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11
[2020-08-21 13:04:40,287 WARN  L193               SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:04:40,596 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15
[2020-08-21 13:04:40,750 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:04:40,903 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-21 13:04:41,073 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-21 13:04:41,233 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-21 13:04:41,412 WARN  L193               SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-21 13:04:41,623 WARN  L193               SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-21 13:04:41,694 INFO  L268        CegarLoopResult]: For program point  L540(lines 517 541)  no Hoare annotation was computed.
[2020-08-21 13:04:41,694 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 493 548)  no Hoare annotation was computed.
[2020-08-21 13:04:41,694 INFO  L268        CegarLoopResult]: For program point  L524(lines 524 528)  no Hoare annotation was computed.
[2020-08-21 13:04:41,695 INFO  L268        CegarLoopResult]: For program point  L524-1(lines 524 528)  no Hoare annotation was computed.
[2020-08-21 13:04:41,695 INFO  L268        CegarLoopResult]: For program point  L519(line 519)  no Hoare annotation was computed.
[2020-08-21 13:04:41,695 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 493 548)  no Hoare annotation was computed.
[2020-08-21 13:04:41,695 INFO  L268        CegarLoopResult]: For program point  L518-2(lines 518 539)  no Hoare annotation was computed.
[2020-08-21 13:04:41,695 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 493 548)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  L576(line 576)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  L575-2(lines 575 600)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  L601(lines 574 602)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 549 608)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  L594(line 594)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  L594-1(line 594)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 549 608)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 549 608)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  L581(lines 581 585)  no Hoare annotation was computed.
[2020-08-21 13:04:41,696 INFO  L268        CegarLoopResult]: For program point  L581-1(lines 581 585)  no Hoare annotation was computed.
[2020-08-21 13:04:41,697 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 90 96)  the Hoare annotation is:  true
[2020-08-21 13:04:41,697 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 90 96)  no Hoare annotation was computed.
[2020-08-21 13:04:41,697 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 97 105)  no Hoare annotation was computed.
[2020-08-21 13:04:41,697 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 97 105)  the Hoare annotation is:  true
[2020-08-21 13:04:41,697 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 97 105)  no Hoare annotation was computed.
[2020-08-21 13:04:41,697 INFO  L268        CegarLoopResult]: For program point  L194-1(lines 194 201)  no Hoare annotation was computed.
[2020-08-21 13:04:41,697 INFO  L268        CegarLoopResult]: For program point  L192(line 192)  no Hoare annotation was computed.
[2020-08-21 13:04:41,698 INFO  L264        CegarLoopResult]: At program point  L191(line 191)  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)))
[2020-08-21 13:04:41,698 INFO  L264        CegarLoopResult]: At program point  L190(line 190)  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)))
[2020-08-21 13:04:41,698 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 184 206)  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)))
[2020-08-21 13:04:41,698 INFO  L264        CegarLoopResult]: At program point  L190-1(line 190)  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)))
[2020-08-21 13:04:41,698 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 184 206)  no Hoare annotation was computed.
[2020-08-21 13:04:41,698 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 184 206)  no Hoare annotation was computed.
[2020-08-21 13:04:41,699 INFO  L264        CegarLoopResult]: At program point  L196(line 196)  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)))
[2020-08-21 13:04:41,699 INFO  L264        CegarLoopResult]: At program point  L196-1(line 196)  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)))
[2020-08-21 13:04:41,699 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 201)  no Hoare annotation was computed.
[2020-08-21 13:04:41,699 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-08-21 13:04:41,699 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 142 165)  no Hoare annotation was computed.
[2020-08-21 13:04:41,699 INFO  L268        CegarLoopResult]: For program point  L159(line 159)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  L158(line 158)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 142 165)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  L156(line 156)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 142 165)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  L155(line 155)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-08-21 13:04:41,700 INFO  L268        CegarLoopResult]: For program point  L153(line 153)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  L152(line 152)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  L150(line 150)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  L149(line 149)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  L147(line 147)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 301 309)  no Hoare annotation was computed.
[2020-08-21 13:04:41,701 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 301 309)  the Hoare annotation is:  true
[2020-08-21 13:04:41,701 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 301 309)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L271        CegarLoopResult]: At program point  L353(line 353)  the Hoare annotation is:  true
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  L355-2(lines 355 359)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  L353-1(line 353)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 346 364)  the Hoare annotation is:  true
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 346 364)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  L355(lines 355 359)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 346 364)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 325)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  L317-2(lines 317 325)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  L340(line 340)  no Hoare annotation was computed.
[2020-08-21 13:04:41,702 INFO  L268        CegarLoopResult]: For program point  L340-1(line 340)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 310 345)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 337)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  L329-2(lines 329 337)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 310 345)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 310 345)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 83 89)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 83 89)  the Hoare annotation is:  true
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 447 492)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 447 492)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 447 492)  no Hoare annotation was computed.
[2020-08-21 13:04:41,703 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 760 805)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  L780(lines 780 787)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 760 805)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  L774(lines 774 794)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 760 805)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  L774-1(lines 774 794)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 174 183)  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)))
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 174 183)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 174 183)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 290 300)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 290 300)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  L295(line 295)  no Hoare annotation was computed.
[2020-08-21 13:04:41,704 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 290 300)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  L295-1(line 295)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 282 289)  the Hoare annotation is:  true
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 282 289)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 282 289)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  L257(lines 257 265)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L264        CegarLoopResult]: At program point  L255(line 255)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  L255-1(line 255)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  L253(lines 253 270)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 249 273)  no Hoare annotation was computed.
[2020-08-21 13:04:41,705 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 249 273)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,705 INFO  L264        CegarLoopResult]: At program point  L268(line 268)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,705 INFO  L268        CegarLoopResult]: For program point  L268-1(lines 249 273)  no Hoare annotation was computed.
[2020-08-21 13:04:41,706 INFO  L264        CegarLoopResult]: At program point  L263(line 263)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,706 INFO  L264        CegarLoopResult]: At program point  L259(line 259)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,706 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 241 247)  no Hoare annotation was computed.
[2020-08-21 13:04:41,706 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 241 247)  the Hoare annotation is:  true
[2020-08-21 13:04:41,706 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 374 439)  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)))
[2020-08-21 13:04:41,706 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 374 439)  no Hoare annotation was computed.
[2020-08-21 13:04:41,706 INFO  L264        CegarLoopResult]: At program point  L432(lines 383 433)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:04:41,706 INFO  L268        CegarLoopResult]: For program point  L422(lines 422 426)  no Hoare annotation was computed.
[2020-08-21 13:04:41,706 INFO  L264        CegarLoopResult]: At program point  L422-2(lines 414 427)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:04:41,706 INFO  L268        CegarLoopResult]: For program point  L385(lines 384 431)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L264        CegarLoopResult]: At program point  L416(line 416)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 427)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L264        CegarLoopResult]: At program point  L406(line 406)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  L404(lines 404 410)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  L404-1(lines 404 410)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L264        CegarLoopResult]: At program point  L429(lines 384 431)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:04:41,707 INFO  L264        CegarLoopResult]: At program point  L396(line 396)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 400)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  L394-1(lines 394 400)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 374 439)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  L386(lines 386 390)  no Hoare annotation was computed.
[2020-08-21 13:04:41,707 INFO  L268        CegarLoopResult]: For program point  L734(lines 734 741)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 714 759)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  L728(lines 728 748)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  L728-1(lines 728 748)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 714 759)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 714 759)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 896 904)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 896 904)  the Hoare annotation is:  true
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 896 904)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 864 886)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  L872(lines 872 880)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  L872-2(lines 872 880)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 864 886)  no Hoare annotation was computed.
[2020-08-21 13:04:41,708 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 864 886)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 73 82)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 73 82)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 73 82)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  L640(lines 640 656)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 611 713)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  L700(lines 700 707)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  L661(lines 660 680)  no Hoare annotation was computed.
[2020-08-21 13:04:41,709 INFO  L268        CegarLoopResult]: For program point  L692(line 692)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  L692-1(line 692)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  L657(lines 657 698)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 611 713)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  L676(line 676)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  L676-1(line 676)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  L635(lines 635 639)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  L699(lines 699 710)  no Hoare annotation was computed.
[2020-08-21 13:04:41,710 INFO  L268        CegarLoopResult]: For program point  L662(lines 662 666)  no Hoare annotation was computed.
[2020-08-21 13:04:41,711 INFO  L268        CegarLoopResult]: For program point  L660-2(lines 660 680)  no Hoare annotation was computed.
[2020-08-21 13:04:41,711 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 611 713)  no Hoare annotation was computed.
[2020-08-21 13:04:41,711 INFO  L268        CegarLoopResult]: For program point  L681(lines 659 682)  no Hoare annotation was computed.
[2020-08-21 13:04:41,711 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:04:41,711 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~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-21 13:04:41,711 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 274 281)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 274 281)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 274 281)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 887 895)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 887 895)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 887 895)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  L847-1(lines 843 854)  no Hoare annotation was computed.
[2020-08-21 13:04:41,712 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 843 854)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-21 13:04:41,712 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 843 854)  no Hoare annotation was computed.
[2020-08-21 13:04:41,713 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:04:41,713 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-21 13:04:41,713 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:04:41,713 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 855 863)  the Hoare annotation is:  true
[2020-08-21 13:04:41,713 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 855 863)  no Hoare annotation was computed.
[2020-08-21 13:04:41,713 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 855 863)  no Hoare annotation was computed.
[2020-08-21 13:04:41,713 INFO  L264        CegarLoopResult]: At program point  L223(line 223)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,713 INFO  L268        CegarLoopResult]: For program point  L221(lines 220 239)  no Hoare annotation was computed.
[2020-08-21 13:04:41,713 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 217 240)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,714 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 217 240)  no Hoare annotation was computed.
[2020-08-21 13:04:41,714 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 217 240)  no Hoare annotation was computed.
[2020-08-21 13:04:41,714 INFO  L264        CegarLoopResult]: At program point  L230(line 230)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,714 INFO  L264        CegarLoopResult]: At program point  L228(lines 228 234)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:04:41,714 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 109 138)  no Hoare annotation was computed.
[2020-08-21 13:04:41,714 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 109 138)  the Hoare annotation is:  true
[2020-08-21 13:04:41,714 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 127)  no Hoare annotation was computed.
[2020-08-21 13:04:41,714 INFO  L271        CegarLoopResult]: At program point  L123-1(lines 123 127)  the Hoare annotation is:  true
[2020-08-21 13:04:41,715 INFO  L268        CegarLoopResult]: For program point  L120(line 120)  no Hoare annotation was computed.
[2020-08-21 13:04:41,715 INFO  L271        CegarLoopResult]: At program point  L119-2(lines 119 133)  the Hoare annotation is:  true
[2020-08-21 13:04:41,715 INFO  L271        CegarLoopResult]: At program point  L115(line 115)  the Hoare annotation is:  true
[2020-08-21 13:04:41,715 INFO  L268        CegarLoopResult]: For program point  L115-1(line 115)  no Hoare annotation was computed.
[2020-08-21 13:04:41,715 INFO  L271        CegarLoopResult]: At program point  L134(lines 109 138)  the Hoare annotation is:  true
[2020-08-21 13:04:41,715 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-08-21 13:04:41,715 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 819 830)  the Hoare annotation is:  true
[2020-08-21 13:04:41,715 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 819 830)  no Hoare annotation was computed.
[2020-08-21 13:04:41,715 INFO  L268        CegarLoopResult]: For program point  L823-1(lines 819 830)  no Hoare annotation was computed.
[2020-08-21 13:04:41,716 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 166 172)  no Hoare annotation was computed.
[2020-08-21 13:04:41,716 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 166 172)  the Hoare annotation is:  true
[2020-08-21 13:04:41,716 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:04:41,716 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))
[2020-08-21 13:04:41,716 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-21 13:04:41,716 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:04:41,716 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 365 372)  no Hoare annotation was computed.
[2020-08-21 13:04:41,716 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 365 372)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0))
[2020-08-21 13:04:41,716 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 365 372)  no Hoare annotation was computed.
[2020-08-21 13:04:41,717 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 831 842)  no Hoare annotation was computed.
[2020-08-21 13:04:41,717 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 831 842)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-21 13:04:41,717 INFO  L268        CegarLoopResult]: For program point  L835-1(lines 831 842)  no Hoare annotation was computed.
[2020-08-21 13:04:41,717 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 807 814)  no Hoare annotation was computed.
[2020-08-21 13:04:41,717 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811)  no Hoare annotation was computed.
[2020-08-21 13:04:41,717 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 807 814)  the Hoare annotation is:  true
[2020-08-21 13:04:41,717 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 807 814)  no Hoare annotation was computed.
[2020-08-21 13:04:41,717 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 43 67)  the Hoare annotation is:  true
[2020-08-21 13:04:41,718 INFO  L264        CegarLoopResult]: At program point  L57(line 57)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-21 13:04:41,718 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 43 67)  no Hoare annotation was computed.
[2020-08-21 13:04:41,718 INFO  L268        CegarLoopResult]: For program point  L55(lines 55 61)  no Hoare annotation was computed.
[2020-08-21 13:04:41,718 INFO  L264        CegarLoopResult]: At program point  L53(line 53)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-21 13:04:41,718 INFO  L268        CegarLoopResult]: For program point  L53-1(line 53)  no Hoare annotation was computed.
[2020-08-21 13:04:41,718 INFO  L268        CegarLoopResult]: For program point  L51(lines 51 64)  no Hoare annotation was computed.
[2020-08-21 13:04:41,718 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 43 67)  no Hoare annotation was computed.
[2020-08-21 13:04:41,719 INFO  L271        CegarLoopResult]: At program point  L49(line 49)  the Hoare annotation is:  true
[2020-08-21 13:04:41,719 INFO  L268        CegarLoopResult]: For program point  L49-1(line 49)  no Hoare annotation was computed.
[2020-08-21 13:04:41,736 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:04:41 BoogieIcfgContainer
[2020-08-21 13:04:41,736 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 13:04:41,738 INFO  L168              Benchmark]: Toolchain (without parser) took 20514.97 ms. Allocated memory was 140.5 MB in the beginning and 565.2 MB in the end (delta: 424.7 MB). Free memory was 102.8 MB in the beginning and 491.0 MB in the end (delta: -388.2 MB). Peak memory consumption was 411.8 MB. Max. memory is 7.1 GB.
[2020-08-21 13:04:41,739 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-21 13:04:41,740 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 651.60 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 172.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB.
[2020-08-21 13:04:41,741 INFO  L168              Benchmark]: Boogie Preprocessor took 95.33 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 167.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
[2020-08-21 13:04:41,742 INFO  L168              Benchmark]: RCFGBuilder took 1132.17 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 167.0 MB in the beginning and 198.0 MB in the end (delta: -30.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB.
[2020-08-21 13:04:41,742 INFO  L168              Benchmark]: TraceAbstraction took 18630.80 ms. Allocated memory was 237.0 MB in the beginning and 565.2 MB in the end (delta: 328.2 MB). Free memory was 198.0 MB in the beginning and 491.0 MB in the end (delta: -293.1 MB). Peak memory consumption was 410.5 MB. Max. memory is 7.1 GB.
[2020-08-21 13:04:41,747 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 651.60 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 172.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 95.33 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 167.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1132.17 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 167.0 MB in the beginning and 198.0 MB in the end (delta: -30.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 18630.80 ms. Allocated memory was 237.0 MB in the beginning and 565.2 MB in the end (delta: 328.2 MB). Free memory was 198.0 MB in the beginning and 491.0 MB in the end (delta: -293.1 MB). Peak memory consumption was 410.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 811]: 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: 383]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 109]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 384]: Loop Invariant
    Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 119]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 38 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 438 SDtfs, 667 SDslu, 278 SDs, 0 SdLazy, 1589 SolverSat, 447 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 723 HoareAnnotationTreeSize, 245 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7503 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 75562 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...