/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c


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


This is Ultimate 0.1.25-177f698
[2020-08-21 13:52:39,772 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 13:52:39,776 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 13:52:39,819 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 13:52:39,819 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 13:52:39,831 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 13:52:39,833 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 13:52:39,835 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 13:52:39,837 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 13:52:39,839 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-21 13:52:39,840 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-21 13:52:39,844 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 13:52:39,844 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 13:52:39,847 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 13:52:39,849 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 13:52:39,850 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 13:52:39,852 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 13:52:39,854 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 13:52:39,856 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 13:52:39,860 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 13:52:39,861 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 13:52:39,864 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 13:52:39,866 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 13:52:39,867 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 13:52:39,872 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 13:52:39,872 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 13:52:39,872 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 13:52:39,875 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 13:52:39,875 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-21 13:52:39,876 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-21 13:52:39,876 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 13:52:39,877 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 13:52:39,878 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 13:52:39,878 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 13:52:39,880 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 13:52:39,880 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-21 13:52:39,880 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-21 13:52:39,881 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-21 13:52:39,881 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-21 13:52:39,882 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-21 13:52:39,883 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 13:52:39,884 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 13:52:39,928 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 13:52:39,928 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 13:52:39,929 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 13:52:39,930 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 13:52:39,930 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 13:52:39,930 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 13:52:39,930 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 13:52:39,931 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 13:52:39,931 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 13:52:39,931 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 13:52:39,932 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 13:52:39,932 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 13:52:39,933 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 13:52:39,933 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 13:52:39,933 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 13:52:39,933 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 13:52:39,934 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 13:52:39,934 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 13:52:39,934 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 13:52:39,934 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 13:52:39,934 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 13:52:39,935 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 13:52:39,935 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 13:52:39,935 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 13:52:39,935 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 13:52:39,935 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 13:52:39,936 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 13:52:39,936 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 13:52:39,936 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 13:52:39,936 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true;
[2020-08-21 13:52:40,232 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 13:52:40,245 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 13:52:40,248 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 13:52:40,250 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 13:52:40,250 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 13:52:40,251 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c
[2020-08-21 13:52:40,334 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc98610d3/ff384e6dadc94148bdff1ae2a72f8dad/FLAGd832a3f80
[2020-08-21 13:52:40,841 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 13:52:40,842 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c
[2020-08-21 13:52:40,855 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc98610d3/ff384e6dadc94148bdff1ae2a72f8dad/FLAGd832a3f80
[2020-08-21 13:52:41,169 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc98610d3/ff384e6dadc94148bdff1ae2a72f8dad
[2020-08-21 13:52:41,178 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 13:52:41,180 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 13:52:41,181 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 13:52:41,181 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 13:52:41,185 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 13:52:41,186 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,189 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d98017f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41, skipping insertion in model container
[2020-08-21 13:52:41,189 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,196 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 13:52:41,245 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 13:52:41,688 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 13:52:41,702 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 13:52:41,819 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 13:52:41,865 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 13:52:41,867 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41 WrapperNode
[2020-08-21 13:52:41,867 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 13:52:41,868 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 13:52:41,868 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 13:52:41,868 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 13:52:41,881 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,881 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,901 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,901 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,933 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,950 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,961 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ...
[2020-08-21 13:52:41,977 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 13:52:41,978 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 13:52:41,980 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 13:52:41,980 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 13:52:41,981 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (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 13:52:42,067 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 13:52:42,068 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 13:52:42,068 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-21 13:52:42,068 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-21 13:52:42,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-21 13:52:42,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-21 13:52:42,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-21 13:52:42,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-21 13:52:42,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-21 13:52:42,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-21 13:52:42,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-21 13:52:42,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-21 13:52:42,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-21 13:52:42,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-21 13:52:42,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-21 13:52:42,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-21 13:52:42,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-08-21 13:52:42,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-21 13:52:42,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-21 13:52:42,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-08-21 13:52:42,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-21 13:52:42,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-08-21 13:52:42,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-21 13:52:42,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-21 13:52:42,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-21 13:52:42,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-21 13:52:42,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-21 13:52:42,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-08-21 13:52:42,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-08-21 13:52:42,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-21 13:52:42,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-21 13:52:42,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-21 13:52:42,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-21 13:52:42,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-21 13:52:42,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-21 13:52:42,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-21 13:52:42,077 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-21 13:52:42,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-21 13:52:42,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-21 13:52:42,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 13:52:42,078 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 13:52:42,078 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 13:52:42,079 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-21 13:52:42,079 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-21 13:52:42,079 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-21 13:52:42,079 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-21 13:52:42,079 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-21 13:52:42,080 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-21 13:52:42,081 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-21 13:52:42,081 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-21 13:52:42,081 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-21 13:52:42,081 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-21 13:52:42,081 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-21 13:52:42,081 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-21 13:52:42,082 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-21 13:52:42,082 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-21 13:52:42,082 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-21 13:52:42,082 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-21 13:52:42,083 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-21 13:52:42,083 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-21 13:52:42,083 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-21 13:52:42,083 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-21 13:52:42,083 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-21 13:52:42,083 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-21 13:52:42,084 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-21 13:52:42,084 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-21 13:52:42,084 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-21 13:52:42,084 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-08-21 13:52:42,084 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-21 13:52:42,084 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-08-21 13:52:42,084 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-21 13:52:42,085 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-21 13:52:42,085 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-21 13:52:42,086 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-21 13:52:42,086 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-21 13:52:42,086 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-21 13:52:42,087 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-21 13:52:42,087 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-21 13:52:42,088 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-21 13:52:42,088 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-08-21 13:52:42,088 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-08-21 13:52:42,088 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-08-21 13:52:42,088 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-21 13:52:42,088 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-21 13:52:42,089 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-21 13:52:42,089 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-21 13:52:42,089 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-21 13:52:42,089 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-21 13:52:42,089 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-21 13:52:42,089 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-21 13:52:42,089 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 13:52:42,090 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 13:52:42,090 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-21 13:52:42,090 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 13:52:43,178 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 13:52:43,179 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-21 13:52:43,184 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:43 BoogieIcfgContainer
[2020-08-21 13:52:43,184 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 13:52:43,186 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 13:52:43,186 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 13:52:43,189 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 13:52:43,190 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:52:41" (1/3) ...
[2020-08-21 13:52:43,191 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc593a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:43, skipping insertion in model container
[2020-08-21 13:52:43,191 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (2/3) ...
[2020-08-21 13:52:43,191 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc593a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:43, skipping insertion in model container
[2020-08-21 13:52:43,191 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:43" (3/3) ...
[2020-08-21 13:52:43,193 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c
[2020-08-21 13:52:43,204 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 13:52:43,212 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 13:52:43,227 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 13:52:43,253 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 13:52:43,254 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 13:52:43,254 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 13:52:43,254 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 13:52:43,254 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 13:52:43,254 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 13:52:43,254 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 13:52:43,255 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 13:52:43,278 INFO  L276                IsEmpty]: Start isEmpty. Operand 168 states.
[2020-08-21 13:52:43,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-21 13:52:43,289 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:43,290 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 13:52:43,291 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:43,297 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:43,298 INFO  L82        PathProgramCache]: Analyzing trace with hash -288124257, now seen corresponding path program 1 times
[2020-08-21 13:52:43,307 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:43,308 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394063883]
[2020-08-21 13:52:43,308 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:43,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,005 WARN  L193               SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:44,007 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:44,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,059 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:44,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,062 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:44,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,065 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:44,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,068 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:44,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,071 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-21 13:52:44,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,073 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-21 13:52:44,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:44,093 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 13:52:44,094 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394063883]
[2020-08-21 13:52:44,097 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:44,097 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 13:52:44,098 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392525789]
[2020-08-21 13:52:44,104 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 13:52:44,104 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:44,119 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 13:52:44,121 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 13:52:44,123 INFO  L87              Difference]: Start difference. First operand 168 states. Second operand 3 states.
[2020-08-21 13:52:45,191 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:45,192 INFO  L93              Difference]: Finished difference Result 270 states and 356 transitions.
[2020-08-21 13:52:45,193 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 13:52:45,194 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-21 13:52:45,195 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:45,209 INFO  L225             Difference]: With dead ends: 270
[2020-08-21 13:52:45,210 INFO  L226             Difference]: Without dead ends: 147
[2020-08-21 13:52:45,214 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 13:52:45,234 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2020-08-21 13:52:45,305 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114.
[2020-08-21 13:52:45,306 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 114 states.
[2020-08-21 13:52:45,308 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions.
[2020-08-21 13:52:45,310 INFO  L78                 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46
[2020-08-21 13:52:45,311 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:45,311 INFO  L479      AbstractCegarLoop]: Abstraction has 114 states and 133 transitions.
[2020-08-21 13:52:45,311 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 13:52:45,311 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions.
[2020-08-21 13:52:45,314 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-21 13:52:45,315 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:45,315 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 13:52:45,315 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 13:52:45,316 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:45,316 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:45,316 INFO  L82        PathProgramCache]: Analyzing trace with hash 1803412453, now seen corresponding path program 1 times
[2020-08-21 13:52:45,316 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:45,317 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678306736]
[2020-08-21 13:52:45,317 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:45,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,669 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:45,671 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:45,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,716 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:45,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,718 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:45,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,720 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:45,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,722 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:45,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,723 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-21 13:52:45,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,725 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-21 13:52:45,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:45,732 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 13:52:45,733 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678306736]
[2020-08-21 13:52:45,733 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:45,733 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 13:52:45,734 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260144644]
[2020-08-21 13:52:45,735 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 13:52:45,736 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:45,736 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 13:52:45,736 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-21 13:52:45,736 INFO  L87              Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states.
[2020-08-21 13:52:46,109 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 13:52:46,828 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:46,828 INFO  L93              Difference]: Finished difference Result 193 states and 235 transitions.
[2020-08-21 13:52:46,829 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-21 13:52:46,829 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-21 13:52:46,830 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:46,834 INFO  L225             Difference]: With dead ends: 193
[2020-08-21 13:52:46,834 INFO  L226             Difference]: Without dead ends: 131
[2020-08-21 13:52:46,835 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 13:52:46,836 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2020-08-21 13:52:46,868 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105.
[2020-08-21 13:52:46,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 105 states.
[2020-08-21 13:52:46,869 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions.
[2020-08-21 13:52:46,870 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47
[2020-08-21 13:52:46,870 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:46,870 INFO  L479      AbstractCegarLoop]: Abstraction has 105 states and 121 transitions.
[2020-08-21 13:52:46,870 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 13:52:46,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions.
[2020-08-21 13:52:46,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-21 13:52:46,873 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:46,873 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 13:52:46,873 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 13:52:46,874 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:46,874 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:46,874 INFO  L82        PathProgramCache]: Analyzing trace with hash -1345236079, now seen corresponding path program 1 times
[2020-08-21 13:52:46,874 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:46,875 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987210043]
[2020-08-21 13:52:46,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:46,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,194 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:47,195 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:47,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,242 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:47,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,245 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:47,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,246 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:47,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,263 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:47,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,266 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-21 13:52:47,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,268 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-21 13:52:47,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:47,281 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 13:52:47,282 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987210043]
[2020-08-21 13:52:47,282 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:47,282 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-21 13:52:47,283 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507448971]
[2020-08-21 13:52:47,283 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 13:52:47,284 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:47,284 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 13:52:47,284 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 13:52:47,285 INFO  L87              Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states.
[2020-08-21 13:52:47,619 WARN  L193               SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:47,925 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:48,174 WARN  L193               SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:48,428 WARN  L193               SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:49,157 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 13:52:50,596 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:50,596 INFO  L93              Difference]: Finished difference Result 366 states and 454 transitions.
[2020-08-21 13:52:50,597 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-21 13:52:50,597 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 52
[2020-08-21 13:52:50,598 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:50,602 INFO  L225             Difference]: With dead ends: 366
[2020-08-21 13:52:50,602 INFO  L226             Difference]: Without dead ends: 285
[2020-08-21 13:52:50,604 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-08-21 13:52:50,612 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2020-08-21 13:52:50,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224.
[2020-08-21 13:52:50,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 224 states.
[2020-08-21 13:52:50,727 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions.
[2020-08-21 13:52:50,728 INFO  L78                 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52
[2020-08-21 13:52:50,728 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:50,728 INFO  L479      AbstractCegarLoop]: Abstraction has 224 states and 270 transitions.
[2020-08-21 13:52:50,728 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 13:52:50,729 INFO  L276                IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions.
[2020-08-21 13:52:50,731 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-08-21 13:52:50,731 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:50,731 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 13:52:50,731 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 13:52:50,732 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:50,732 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:50,732 INFO  L82        PathProgramCache]: Analyzing trace with hash 2003868692, now seen corresponding path program 1 times
[2020-08-21 13:52:50,732 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:50,733 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532695736]
[2020-08-21 13:52:50,733 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:50,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,015 WARN  L193               SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:51,017 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:51,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,047 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:51,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,049 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:51,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,050 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:51,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,053 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:51,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,088 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-21 13:52:51,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,091 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-21 13:52:51,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,106 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-08-21 13:52:51,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:51,117 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 13:52:51,118 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532695736]
[2020-08-21 13:52:51,118 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:51,118 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-21 13:52:51,119 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30859774]
[2020-08-21 13:52:51,119 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 13:52:51,119 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:51,120 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 13:52:51,120 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 13:52:51,120 INFO  L87              Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 8 states.
[2020-08-21 13:52:51,458 WARN  L193               SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:52,488 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:52,801 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:53,074 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:53,339 WARN  L193               SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:53,666 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 13:52:54,406 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:54,407 INFO  L93              Difference]: Finished difference Result 725 states and 949 transitions.
[2020-08-21 13:52:54,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-08-21 13:52:54,414 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 57
[2020-08-21 13:52:54,415 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:54,422 INFO  L225             Difference]: With dead ends: 725
[2020-08-21 13:52:54,423 INFO  L226             Difference]: Without dead ends: 525
[2020-08-21 13:52:54,426 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2020-08-21 13:52:54,427 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 525 states.
[2020-08-21 13:52:54,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 403.
[2020-08-21 13:52:54,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 403 states.
[2020-08-21 13:52:54,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions.
[2020-08-21 13:52:54,573 INFO  L78                 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 57
[2020-08-21 13:52:54,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:54,574 INFO  L479      AbstractCegarLoop]: Abstraction has 403 states and 490 transitions.
[2020-08-21 13:52:54,574 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 13:52:54,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions.
[2020-08-21 13:52:54,577 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-08-21 13:52:54,577 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:54,577 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 13:52:54,577 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 13:52:54,577 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:54,578 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:54,578 INFO  L82        PathProgramCache]: Analyzing trace with hash -1476950312, now seen corresponding path program 1 times
[2020-08-21 13:52:54,578 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:54,578 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247786587]
[2020-08-21 13:52:54,578 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:54,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,832 WARN  L193               SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:54,833 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:54,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,861 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:54,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,863 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:54,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,865 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:54,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,867 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:54,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,885 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-08-21 13:52:54,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,898 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-21 13:52:54,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,901 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-08-21 13:52:54,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,903 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-08-21 13:52:54,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:54,922 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 13:52:54,923 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247786587]
[2020-08-21 13:52:54,923 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:54,923 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-21 13:52:54,923 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700559864]
[2020-08-21 13:52:54,924 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-21 13:52:54,924 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:54,924 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-21 13:52:54,925 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-21 13:52:54,925 INFO  L87              Difference]: Start difference. First operand 403 states and 490 transitions. Second operand 9 states.
[2020-08-21 13:52:55,286 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:56,256 WARN  L193               SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:56,527 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:56,769 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:57,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:57,131 INFO  L93              Difference]: Finished difference Result 785 states and 1041 transitions.
[2020-08-21 13:52:57,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-08-21 13:52:57,136 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 61
[2020-08-21 13:52:57,137 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:57,137 INFO  L225             Difference]: With dead ends: 785
[2020-08-21 13:52:57,137 INFO  L226             Difference]: Without dead ends: 0
[2020-08-21 13:52:57,140 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240
[2020-08-21 13:52:57,141 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 13:52:57,141 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 13:52:57,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 13:52:57,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 13:52:57,142 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61
[2020-08-21 13:52:57,142 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:57,142 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 13:52:57,142 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-21 13:52:57,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 13:52:57,142 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 13:52:57,143 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 13:52:57,145 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 13:53:00,479 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9
[2020-08-21 13:53:00,632 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:53:00,805 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1
[2020-08-21 13:53:00,974 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:53:01,163 WARN  L193               SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:53:01,613 WARN  L193               SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14
[2020-08-21 13:53:01,915 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9
[2020-08-21 13:53:02,224 WARN  L193               SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8
[2020-08-21 13:53:02,437 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:53:02,744 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-21 13:53:02,888 WARN  L193               SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1
[2020-08-21 13:53:03,170 WARN  L193               SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8
[2020-08-21 13:53:03,509 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8
[2020-08-21 13:53:03,679 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-21 13:53:03,851 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-21 13:53:04,086 WARN  L193               SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:53:04,425 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-21 13:53:04,588 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:53:04,735 WARN  L193               SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-21 13:53:04,893 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 13:53:05,081 WARN  L193               SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8
[2020-08-21 13:53:05,260 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-21 13:53:05,592 WARN  L193               SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-21 13:53:05,762 WARN  L193               SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  L126-2(lines 126 147)  no Hoare annotation was computed.
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  L148(lines 125 149)  no Hoare annotation was computed.
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 101 156)  no Hoare annotation was computed.
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 101 156)  no Hoare annotation was computed.
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  L132(lines 132 136)  no Hoare annotation was computed.
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 132 136)  no Hoare annotation was computed.
[2020-08-21 13:53:05,766 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 101 156)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 193)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 189 193)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 157 216)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  L183-2(lines 183 208)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  L209(lines 182 210)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 157 216)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 157 216)  no Hoare annotation was computed.
[2020-08-21 13:53:05,767 INFO  L268        CegarLoopResult]: For program point  L202-1(line 202)  no Hoare annotation was computed.
[2020-08-21 13:53:05,768 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 829 835)  the Hoare annotation is:  true
[2020-08-21 13:53:05,768 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 829 835)  no Hoare annotation was computed.
[2020-08-21 13:53:05,768 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 836 844)  no Hoare annotation was computed.
[2020-08-21 13:53:05,768 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 836 844)  the Hoare annotation is:  true
[2020-08-21 13:53:05,768 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 836 844)  no Hoare annotation was computed.
[2020-08-21 13:53:05,769 INFO  L264        CegarLoopResult]: At program point  L930-1(line 930)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~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 13:53:05,769 INFO  L268        CegarLoopResult]: For program point  L928(lines 928 935)  no Hoare annotation was computed.
[2020-08-21 13:53:05,769 INFO  L268        CegarLoopResult]: For program point  L928-1(lines 928 935)  no Hoare annotation was computed.
[2020-08-21 13:53:05,769 INFO  L268        CegarLoopResult]: For program point  L926(line 926)  no Hoare annotation was computed.
[2020-08-21 13:53:05,770 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 918 940)  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 13:53:05,770 INFO  L264        CegarLoopResult]: At program point  L925(line 925)  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 13:53:05,770 INFO  L264        CegarLoopResult]: At program point  L924(line 924)  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 13:53:05,771 INFO  L264        CegarLoopResult]: At program point  L924-1(line 924)  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 13:53:05,771 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 918 940)  no Hoare annotation was computed.
[2020-08-21 13:53:05,771 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 918 940)  no Hoare annotation was computed.
[2020-08-21 13:53:05,771 INFO  L264        CegarLoopResult]: At program point  L930(line 930)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~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 13:53:05,771 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 877 900)  no Hoare annotation was computed.
[2020-08-21 13:53:05,771 INFO  L268        CegarLoopResult]: For program point  L895(line 895)  no Hoare annotation was computed.
[2020-08-21 13:53:05,771 INFO  L268        CegarLoopResult]: For program point  L894(line 894)  no Hoare annotation was computed.
[2020-08-21 13:53:05,772 INFO  L268        CegarLoopResult]: For program point  L893(line 893)  no Hoare annotation was computed.
[2020-08-21 13:53:05,772 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 877 900)  no Hoare annotation was computed.
[2020-08-21 13:53:05,772 INFO  L268        CegarLoopResult]: For program point  L892(line 892)  no Hoare annotation was computed.
[2020-08-21 13:53:05,772 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 877 900)  no Hoare annotation was computed.
[2020-08-21 13:53:05,772 INFO  L268        CegarLoopResult]: For program point  L891(line 891)  no Hoare annotation was computed.
[2020-08-21 13:53:05,772 INFO  L268        CegarLoopResult]: For program point  L890(line 890)  no Hoare annotation was computed.
[2020-08-21 13:53:05,772 INFO  L268        CegarLoopResult]: For program point  L889(line 889)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L888(line 888)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L887(line 887)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L886(line 886)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L885(line 885)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L884(line 884)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L883(line 883)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L882(line 882)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  stopSystemEXIT(lines 758 772)  no Hoare annotation was computed.
[2020-08-21 13:53:05,773 INFO  L264        CegarLoopResult]: At program point  L764(line 764)  the Hoare annotation is:  (not (= |old(~pumpRunning~0)| 0))
[2020-08-21 13:53:05,773 INFO  L268        CegarLoopResult]: For program point  L762(lines 762 768)  no Hoare annotation was computed.
[2020-08-21 13:53:05,774 INFO  L264        CegarLoopResult]: At program point  stopSystemENTRY(lines 758 772)  the Hoare annotation is:  (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))
[2020-08-21 13:53:05,774 INFO  L268        CegarLoopResult]: For program point  stopSystemFINAL(lines 758 772)  no Hoare annotation was computed.
[2020-08-21 13:53:05,774 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 694 702)  no Hoare annotation was computed.
[2020-08-21 13:53:05,774 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 694 702)  the Hoare annotation is:  true
[2020-08-21 13:53:05,774 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 694 702)  no Hoare annotation was computed.
[2020-08-21 13:53:05,774 INFO  L268        CegarLoopResult]: For program point  L748(lines 748 752)  no Hoare annotation was computed.
[2020-08-21 13:53:05,774 INFO  L271        CegarLoopResult]: At program point  L746(line 746)  the Hoare annotation is:  true
[2020-08-21 13:53:05,774 INFO  L268        CegarLoopResult]: For program point  L748-2(lines 748 752)  no Hoare annotation was computed.
[2020-08-21 13:53:05,774 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 739 757)  the Hoare annotation is:  true
[2020-08-21 13:53:05,774 INFO  L268        CegarLoopResult]: For program point  L746-1(line 746)  no Hoare annotation was computed.
[2020-08-21 13:53:05,774 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 739 757)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 739 757)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  L733(line 733)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  L733-1(line 733)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  L722(lines 722 730)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  L722-2(lines 722 730)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 703 738)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 703 738)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  L710(lines 710 718)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  L710-2(lines 710 718)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 703 738)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 822 828)  no Hoare annotation was computed.
[2020-08-21 13:53:05,775 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 822 828)  the Hoare annotation is:  true
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 55 100)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 55 100)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 55 100)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  L382(lines 382 402)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  L382-1(lines 382 402)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 368 413)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 368 413)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 368 413)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 395)  no Hoare annotation was computed.
[2020-08-21 13:53:05,776 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 908 917)  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 13:53:05,777 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 908 917)  no Hoare annotation was computed.
[2020-08-21 13:53:05,777 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 908 917)  no Hoare annotation was computed.
[2020-08-21 13:53:05,777 INFO  L268        CegarLoopResult]: For program point  L688(line 688)  no Hoare annotation was computed.
[2020-08-21 13:53:05,777 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 683 693)  no Hoare annotation was computed.
[2020-08-21 13:53:05,777 INFO  L268        CegarLoopResult]: For program point  L688-1(line 688)  no Hoare annotation was computed.
[2020-08-21 13:53:05,777 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 683 693)  no Hoare annotation was computed.
[2020-08-21 13:53:05,777 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 683 693)  no Hoare annotation was computed.
[2020-08-21 13:53:05,777 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 675 682)  the Hoare annotation is:  true
[2020-08-21 13:53:05,778 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 675 682)  no Hoare annotation was computed.
[2020-08-21 13:53:05,778 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 675 682)  no Hoare annotation was computed.
[2020-08-21 13:53:05,778 INFO  L264        CegarLoopResult]: At program point  L638(line 638)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,778 INFO  L264        CegarLoopResult]: At program point  L634(line 634)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,778 INFO  L268        CegarLoopResult]: For program point  L632(lines 632 640)  no Hoare annotation was computed.
[2020-08-21 13:53:05,778 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 624 648)  no Hoare annotation was computed.
[2020-08-21 13:53:05,778 INFO  L264        CegarLoopResult]: At program point  L630(line 630)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,779 INFO  L268        CegarLoopResult]: For program point  L630-1(line 630)  no Hoare annotation was computed.
[2020-08-21 13:53:05,779 INFO  L268        CegarLoopResult]: For program point  L628(lines 628 645)  no Hoare annotation was computed.
[2020-08-21 13:53:05,779 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 624 648)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,779 INFO  L264        CegarLoopResult]: At program point  L643(line 643)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,779 INFO  L268        CegarLoopResult]: For program point  L643-1(lines 624 648)  no Hoare annotation was computed.
[2020-08-21 13:53:05,779 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 616 622)  no Hoare annotation was computed.
[2020-08-21 13:53:05,779 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 616 622)  the Hoare annotation is:  true
[2020-08-21 13:53:05,780 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 551)  no Hoare annotation was computed.
[2020-08-21 13:53:05,780 INFO  L268        CegarLoopResult]: For program point  L545-1(lines 545 551)  no Hoare annotation was computed.
[2020-08-21 13:53:05,780 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 515 582)  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 13:53:05,780 INFO  L264        CegarLoopResult]: At program point  L572(lines 525 574)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 13:53:05,780 INFO  L264        CegarLoopResult]: At program point  L537(line 537)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 13:53:05,780 INFO  L268        CegarLoopResult]: For program point  L535(lines 535 541)  no Hoare annotation was computed.
[2020-08-21 13:53:05,781 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 515 582)  no Hoare annotation was computed.
[2020-08-21 13:53:05,781 INFO  L268        CegarLoopResult]: For program point  L535-1(lines 535 541)  no Hoare annotation was computed.
[2020-08-21 13:53:05,781 INFO  L268        CegarLoopResult]: For program point  L527(lines 527 531)  no Hoare annotation was computed.
[2020-08-21 13:53:05,781 INFO  L264        CegarLoopResult]: At program point  L575(lines 524 576)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:53:05,781 INFO  L264        CegarLoopResult]: At program point  L565(line 565)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 13:53:05,781 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 569)  no Hoare annotation was computed.
[2020-08-21 13:53:05,781 INFO  L264        CegarLoopResult]: At program point  L563-1(lines 555 570)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 13:53:05,781 INFO  L268        CegarLoopResult]: For program point  L526(lines 525 574)  no Hoare annotation was computed.
[2020-08-21 13:53:05,781 INFO  L264        CegarLoopResult]: At program point  L557(line 557)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  L555(lines 555 570)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L264        CegarLoopResult]: At program point  L547(line 547)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 515 582)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 322 367)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  L342(lines 342 349)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 322 367)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 322 367)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  L336(lines 336 356)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  L336-1(lines 336 356)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorENTRY(lines 649 656)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorFINAL(lines 649 656)  no Hoare annotation was computed.
[2020-08-21 13:53:05,782 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorEXIT(lines 649 656)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 501 509)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 501 509)  the Hoare annotation is:  true
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 501 509)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  L477(lines 477 485)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  L477-2(lines 477 485)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 469 491)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 469 491)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 469 491)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  L289(lines 267 290)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 219 321)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  L248(lines 248 264)  no Hoare annotation was computed.
[2020-08-21 13:53:05,783 INFO  L268        CegarLoopResult]: For program point  L308(lines 308 315)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L269(lines 268 288)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L300(line 300)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L300-1(line 300)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 306)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 219 321)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L284(line 284)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L284-1(line 284)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L243(lines 243 247)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L307(lines 307 318)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 219 321)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L270(lines 270 274)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  L268-2(lines 268 288)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 812 821)  no Hoare annotation was computed.
[2020-08-21 13:53:05,784 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 812 821)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 812 821)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  L669(line 669)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  L669-1(lines 658 674)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 658 674)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  L665(lines 665 671)  no Hoare annotation was computed.
[2020-08-21 13:53:05,785 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 658 674)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  L663(line 663)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  L663-1(line 663)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 492 500)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 492 500)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 492 500)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:53:05,786 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 448 459)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-21 13:53:05,787 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 448 459)  no Hoare annotation was computed.
[2020-08-21 13:53:05,787 INFO  L268        CegarLoopResult]: For program point  L452-1(lines 448 459)  no Hoare annotation was computed.
[2020-08-21 13:53:05,787 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 460 468)  the Hoare annotation is:  true
[2020-08-21 13:53:05,787 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 460 468)  no Hoare annotation was computed.
[2020-08-21 13:53:05,787 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 460 468)  no Hoare annotation was computed.
[2020-08-21 13:53:05,787 INFO  L264        CegarLoopResult]: At program point  L605(line 605)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,787 INFO  L264        CegarLoopResult]: At program point  L603(lines 603 609)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,787 INFO  L264        CegarLoopResult]: At program point  L598(line 598)  the Hoare annotation is:  (not (= |old(~pumpRunning~0)| 0))
[2020-08-21 13:53:05,787 INFO  L268        CegarLoopResult]: For program point  L596(lines 595 614)  no Hoare annotation was computed.
[2020-08-21 13:53:05,788 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 592 615)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 13:53:05,788 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 592 615)  no Hoare annotation was computed.
[2020-08-21 13:53:05,788 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 592 615)  no Hoare annotation was computed.
[2020-08-21 13:53:05,788 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 847 876)  no Hoare annotation was computed.
[2020-08-21 13:53:05,788 INFO  L268        CegarLoopResult]: For program point  L861(lines 861 865)  no Hoare annotation was computed.
[2020-08-21 13:53:05,788 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 847 876)  the Hoare annotation is:  true
[2020-08-21 13:53:05,788 INFO  L271        CegarLoopResult]: At program point  L861-1(lines 861 865)  the Hoare annotation is:  true
[2020-08-21 13:53:05,789 INFO  L268        CegarLoopResult]: For program point  L858(line 858)  no Hoare annotation was computed.
[2020-08-21 13:53:05,789 INFO  L271        CegarLoopResult]: At program point  L857-2(lines 857 871)  the Hoare annotation is:  true
[2020-08-21 13:53:05,789 INFO  L271        CegarLoopResult]: At program point  L853(line 853)  the Hoare annotation is:  true
[2020-08-21 13:53:05,789 INFO  L268        CegarLoopResult]: For program point  L853-1(line 853)  no Hoare annotation was computed.
[2020-08-21 13:53:05,789 INFO  L271        CegarLoopResult]: At program point  L872(lines 847 876)  the Hoare annotation is:  true
[2020-08-21 13:53:05,789 INFO  L268        CegarLoopResult]: For program point  L868(line 868)  no Hoare annotation was computed.
[2020-08-21 13:53:05,789 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 424 435)  the Hoare annotation is:  true
[2020-08-21 13:53:05,789 INFO  L268        CegarLoopResult]: For program point  L428-1(lines 424 435)  no Hoare annotation was computed.
[2020-08-21 13:53:05,790 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 424 435)  no Hoare annotation was computed.
[2020-08-21 13:53:05,790 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 901 907)  no Hoare annotation was computed.
[2020-08-21 13:53:05,790 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 901 907)  the Hoare annotation is:  true
[2020-08-21 13:53:05,790 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:53:05,790 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 13:53:05,790 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-21 13:53:05,790 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:53:05,791 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 773 780)  no Hoare annotation was computed.
[2020-08-21 13:53:05,791 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 773 780)  the Hoare annotation is:  (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:53:05,791 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 773 780)  no Hoare annotation was computed.
[2020-08-21 13:53:05,791 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 436 447)  no Hoare annotation was computed.
[2020-08-21 13:53:05,791 INFO  L268        CegarLoopResult]: For program point  L440-1(lines 436 447)  no Hoare annotation was computed.
[2020-08-21 13:53:05,791 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 436 447)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:53:05,791 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 40 47)  no Hoare annotation was computed.
[2020-08-21 13:53:05,792 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44)  no Hoare annotation was computed.
[2020-08-21 13:53:05,792 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 40 47)  the Hoare annotation is:  true
[2020-08-21 13:53:05,792 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 40 47)  no Hoare annotation was computed.
[2020-08-21 13:53:05,792 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 782 806)  the Hoare annotation is:  true
[2020-08-21 13:53:05,792 INFO  L264        CegarLoopResult]: At program point  L796(line 796)  the Hoare annotation is:  (not (= ~pumpRunning~0 0))
[2020-08-21 13:53:05,792 INFO  L268        CegarLoopResult]: For program point  L794(lines 794 800)  no Hoare annotation was computed.
[2020-08-21 13:53:05,792 INFO  L264        CegarLoopResult]: At program point  L792(line 792)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)))
[2020-08-21 13:53:05,793 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 782 806)  no Hoare annotation was computed.
[2020-08-21 13:53:05,793 INFO  L268        CegarLoopResult]: For program point  L792-1(line 792)  no Hoare annotation was computed.
[2020-08-21 13:53:05,793 INFO  L268        CegarLoopResult]: For program point  L790(lines 790 803)  no Hoare annotation was computed.
[2020-08-21 13:53:05,793 INFO  L268        CegarLoopResult]: For program point  L790-1(lines 782 806)  no Hoare annotation was computed.
[2020-08-21 13:53:05,793 INFO  L271        CegarLoopResult]: At program point  L788(line 788)  the Hoare annotation is:  true
[2020-08-21 13:53:05,793 INFO  L268        CegarLoopResult]: For program point  L788-1(line 788)  no Hoare annotation was computed.
[2020-08-21 13:53:05,813 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:53:05 BoogieIcfgContainer
[2020-08-21 13:53:05,813 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 13:53:05,817 INFO  L168              Benchmark]: Toolchain (without parser) took 24637.41 ms. Allocated memory was 140.5 MB in the beginning and 673.7 MB in the end (delta: 533.2 MB). Free memory was 101.0 MB in the beginning and 608.5 MB in the end (delta: -507.4 MB). Peak memory consumption was 512.3 MB. Max. memory is 7.1 GB.
[2020-08-21 13:53:05,818 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-21 13:53:05,821 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 686.23 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 171.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB.
[2020-08-21 13:53:05,822 INFO  L168              Benchmark]: Boogie Preprocessor took 109.40 ms. Allocated memory is still 204.5 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2020-08-21 13:53:05,823 INFO  L168              Benchmark]: RCFGBuilder took 1206.90 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 167.2 MB in the beginning and 197.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB.
[2020-08-21 13:53:05,826 INFO  L168              Benchmark]: TraceAbstraction took 22627.32 ms. Allocated memory was 238.0 MB in the beginning and 673.7 MB in the end (delta: 435.7 MB). Free memory was 196.1 MB in the beginning and 608.5 MB in the end (delta: -412.3 MB). Peak memory consumption was 509.8 MB. Max. memory is 7.1 GB.
[2020-08-21 13:53:05,831 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 686.23 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 171.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 109.40 ms. Allocated memory is still 204.5 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1206.90 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 167.2 MB in the beginning and 197.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 22627.32 ms. Allocated memory was 238.0 MB in the beginning and 673.7 MB in the end (delta: 435.7 MB). Free memory was 196.1 MB in the beginning and 608.5 MB in the end (delta: -412.3 MB). Peak memory consumption was 509.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 44]: 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: 524]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 857]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 847]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 525]: Loop Invariant
    Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 796 SDslu, 435 SDs, 0 SdLazy, 2116 SolverSat, 540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 705 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 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...