/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 interpolation-heuristic=FIRST --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_product15.cil.c


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


This is Ultimate 0.1.25-177f698
[2020-08-21 14:40:46,648 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 14:40:46,652 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 14:40:46,691 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 14:40:46,691 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 14:40:46,700 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 14:40:46,702 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 14:40:46,705 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 14:40:46,708 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 14:40:46,711 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-21 14:40:46,711 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-21 14:40:46,712 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 14:40:46,713 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 14:40:46,715 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 14:40:46,717 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 14:40:46,719 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 14:40:46,720 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 14:40:46,721 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 14:40:46,723 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 14:40:46,731 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 14:40:46,733 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 14:40:46,734 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 14:40:46,735 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 14:40:46,736 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 14:40:46,748 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 14:40:46,748 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 14:40:46,749 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 14:40:46,753 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 14:40:46,753 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-21 14:40:46,754 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-21 14:40:46,754 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 14:40:46,755 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 14:40:46,756 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 14:40:46,756 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 14:40:46,757 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 14:40:46,758 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-21 14:40:46,758 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-21 14:40:46,759 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-21 14:40:46,759 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-21 14:40:46,760 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-21 14:40:46,760 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 14:40:46,761 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 14:40:46,785 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 14:40:46,785 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 14:40:46,786 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 14:40:46,786 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 14:40:46,787 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 14:40:46,787 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 14:40:46,787 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 14:40:46,787 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 14:40:46,787 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 14:40:46,788 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 14:40:46,788 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 14:40:46,788 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 14:40:46,788 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 14:40:46,788 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 14:40:46,789 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 14:40:46,789 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 14:40:46,789 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 14:40:46,789 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 14:40:46,789 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 14:40:46,790 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 14:40:46,790 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 14:40:46,790 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 14:40:46,790 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 14:40:46,790 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 14:40:46,790 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 14:40:46,791 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 14:40:46,791 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 14:40:46,791 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 14:40:46,791 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 14:40:46,791 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 -> interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true;
[2020-08-21 14:40:47,079 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 14:40:47,100 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 14:40:47,105 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 14:40:47,106 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 14:40:47,107 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 14:40:47,108 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c
[2020-08-21 14:40:47,174 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1b6116a2/f3d9f97d4f624e6eba12eb3d345eb0ad/FLAG41500ec7d
[2020-08-21 14:40:47,733 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 14:40:47,733 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c
[2020-08-21 14:40:47,747 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1b6116a2/f3d9f97d4f624e6eba12eb3d345eb0ad/FLAG41500ec7d
[2020-08-21 14:40:48,025 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1b6116a2/f3d9f97d4f624e6eba12eb3d345eb0ad
[2020-08-21 14:40:48,033 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 14:40:48,034 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 14:40:48,035 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 14:40:48,035 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 14:40:48,039 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 14:40:48,040 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,042 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d31571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48, skipping insertion in model container
[2020-08-21 14:40:48,043 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,050 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 14:40:48,105 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 14:40:48,520 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 14:40:48,534 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 14:40:48,612 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 14:40:48,651 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 14:40:48,652 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48 WrapperNode
[2020-08-21 14:40:48,652 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 14:40:48,653 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 14:40:48,653 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 14:40:48,653 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 14:40:48,666 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,666 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,684 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,684 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,718 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,728 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,733 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (1/1) ...
[2020-08-21 14:40:48,741 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 14:40:48,741 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 14:40:48,741 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 14:40:48,742 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 14:40:48,742 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (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 14:40:48,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 14:40:48,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 14:40:48,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-21 14:40:48,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-21 14:40:48,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-21 14:40:48,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-21 14:40:48,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-21 14:40:48,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 14:40:48,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-21 14:40:48,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-21 14:40:48,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-21 14:40:48,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-21 14:40:48,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-21 14:40:48,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-21 14:40:48,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-21 14:40:48,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-21 14:40:48,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-21 14:40:48,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-21 14:40:48,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-21 14:40:48,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-21 14:40:48,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-21 14:40:48,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-08-21 14:40:48,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-21 14:40:48,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-21 14:40:48,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-21 14:40:48,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-21 14:40:48,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-21 14:40:48,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-21 14:40:48,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-21 14:40:48,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-08-21 14:40:48,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-21 14:40:48,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-21 14:40:48,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-21 14:40:48,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-21 14:40:48,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-21 14:40:48,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-21 14:40:48,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-21 14:40:48,808 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 14:40:48,808 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 14:40:48,808 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-21 14:40:48,809 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-21 14:40:48,810 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-21 14:40:48,811 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-21 14:40:48,811 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-21 14:40:48,811 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-21 14:40:48,811 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-21 14:40:48,811 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-21 14:40:48,812 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-21 14:40:48,812 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-08-21 14:40:48,812 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-21 14:40:48,812 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-08-21 14:40:48,812 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-21 14:40:48,812 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-21 14:40:48,812 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-21 14:40:48,813 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-21 14:40:48,813 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-21 14:40:48,813 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-21 14:40:48,813 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-21 14:40:48,814 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-21 14:40:48,814 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-21 14:40:48,815 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-21 14:40:48,815 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-21 14:40:48,815 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-21 14:40:48,815 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-21 14:40:48,815 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-21 14:40:48,815 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-21 14:40:48,816 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-21 14:40:48,816 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-21 14:40:48,816 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-21 14:40:48,816 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 14:40:48,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-21 14:40:48,817 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 14:40:49,881 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 14:40:49,881 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-21 14:40:49,891 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:40:49 BoogieIcfgContainer
[2020-08-21 14:40:49,891 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 14:40:49,894 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 14:40:49,894 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 14:40:49,897 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 14:40:49,898 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:40:48" (1/3) ...
[2020-08-21 14:40:49,899 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52730bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:40:49, skipping insertion in model container
[2020-08-21 14:40:49,899 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:48" (2/3) ...
[2020-08-21 14:40:49,899 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52730bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:40:49, skipping insertion in model container
[2020-08-21 14:40:49,900 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:40:49" (3/3) ...
[2020-08-21 14:40:49,901 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c
[2020-08-21 14:40:49,912 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 14:40:49,919 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 14:40:49,930 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 14:40:49,950 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 14:40:49,951 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 14:40:49,951 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 14:40:49,951 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 14:40:49,951 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 14:40:49,952 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 14:40:49,952 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 14:40:49,952 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 14:40:49,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states.
[2020-08-21 14:40:49,982 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-21 14:40:49,982 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:40:49,983 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 14:40:49,983 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:40:49,989 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:40:49,990 INFO  L82        PathProgramCache]: Analyzing trace with hash 178766383, now seen corresponding path program 1 times
[2020-08-21 14:40:49,998 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:40:49,998 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243207647]
[2020-08-21 14:40:49,998 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:40:50,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,676 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 14:40:50,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:40:50,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,734 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 14:40:50,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,743 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 14:40:50,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,746 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 14:40:50,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,757 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 14:40:50,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,761 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-21 14:40:50,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,765 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-21 14:40:50,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:50,792 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 14:40:50,793 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243207647]
[2020-08-21 14:40:50,796 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:40:50,796 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 14:40:50,797 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893838580]
[2020-08-21 14:40:50,812 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 14:40:50,813 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:40:50,828 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 14:40:50,829 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:40:50,831 INFO  L87              Difference]: Start difference. First operand 156 states. Second operand 3 states.
[2020-08-21 14:40:51,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:40:51,916 INFO  L93              Difference]: Finished difference Result 251 states and 336 transitions.
[2020-08-21 14:40:51,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 14:40:51,918 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-21 14:40:51,919 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:40:51,931 INFO  L225             Difference]: With dead ends: 251
[2020-08-21 14:40:51,932 INFO  L226             Difference]: Without dead ends: 137
[2020-08-21 14:40:51,936 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 14:40:51,955 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2020-08-21 14:40:52,013 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105.
[2020-08-21 14:40:52,014 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 105 states.
[2020-08-21 14:40:52,017 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions.
[2020-08-21 14:40:52,019 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46
[2020-08-21 14:40:52,019 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:40:52,019 INFO  L479      AbstractCegarLoop]: Abstraction has 105 states and 124 transitions.
[2020-08-21 14:40:52,019 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 14:40:52,020 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions.
[2020-08-21 14:40:52,023 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-21 14:40:52,023 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:40:52,024 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 14:40:52,024 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 14:40:52,024 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:40:52,024 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:40:52,025 INFO  L82        PathProgramCache]: Analyzing trace with hash 1214184321, now seen corresponding path program 1 times
[2020-08-21 14:40:52,025 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:40:52,025 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833158264]
[2020-08-21 14:40:52,025 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:40:52,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,401 WARN  L193               SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 14:40:52,420 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:40:52,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,446 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 14:40:52,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,448 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 14:40:52,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,449 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 14:40:52,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,452 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 14:40:52,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,454 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-21 14:40:52,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,455 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-21 14:40:52,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:52,463 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 14:40:52,463 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833158264]
[2020-08-21 14:40:52,463 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:40:52,464 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 14:40:52,464 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780173844]
[2020-08-21 14:40:52,466 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 14:40:52,466 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:40:52,466 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 14:40:52,466 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-21 14:40:52,467 INFO  L87              Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states.
[2020-08-21 14:40:52,884 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 14:40:53,595 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:40:53,595 INFO  L93              Difference]: Finished difference Result 178 states and 219 transitions.
[2020-08-21 14:40:53,596 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-21 14:40:53,596 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-21 14:40:53,597 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:40:53,600 INFO  L225             Difference]: With dead ends: 178
[2020-08-21 14:40:53,600 INFO  L226             Difference]: Without dead ends: 121
[2020-08-21 14:40:53,602 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 14:40:53,602 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2020-08-21 14:40:53,631 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96.
[2020-08-21 14:40:53,631 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 96 states.
[2020-08-21 14:40:53,632 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions.
[2020-08-21 14:40:53,633 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47
[2020-08-21 14:40:53,633 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:40:53,633 INFO  L479      AbstractCegarLoop]: Abstraction has 96 states and 112 transitions.
[2020-08-21 14:40:53,633 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 14:40:53,633 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions.
[2020-08-21 14:40:53,635 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-08-21 14:40:53,635 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:40:53,636 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 14:40:53,636 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 14:40:53,636 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:40:53,636 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:40:53,636 INFO  L82        PathProgramCache]: Analyzing trace with hash -75048457, now seen corresponding path program 1 times
[2020-08-21 14:40:53,637 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:40:53,637 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630202121]
[2020-08-21 14:40:53,637 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:40:53,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:53,973 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 14:40:53,974 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:40:53,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:54,019 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 14:40:54,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:54,022 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 14:40:54,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:54,024 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 14:40:54,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:54,056 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 14:40:54,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:54,058 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-21 14:40:54,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:54,061 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-21 14:40:54,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:54,070 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 14:40:54,070 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630202121]
[2020-08-21 14:40:54,071 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:40:54,071 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-21 14:40:54,071 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972300343]
[2020-08-21 14:40:54,072 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 14:40:54,072 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:40:54,072 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 14:40:54,073 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 14:40:54,073 INFO  L87              Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 8 states.
[2020-08-21 14:40:54,483 WARN  L193               SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 14:40:54,774 WARN  L193               SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:40:55,003 WARN  L193               SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:40:55,258 WARN  L193               SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:40:55,991 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 14:40:57,310 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:40:57,311 INFO  L93              Difference]: Finished difference Result 336 states and 422 transitions.
[2020-08-21 14:40:57,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-21 14:40:57,315 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 51
[2020-08-21 14:40:57,315 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:40:57,319 INFO  L225             Difference]: With dead ends: 336
[2020-08-21 14:40:57,319 INFO  L226             Difference]: Without dead ends: 264
[2020-08-21 14:40:57,320 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 14:40:57,321 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2020-08-21 14:40:57,416 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210.
[2020-08-21 14:40:57,417 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 210 states.
[2020-08-21 14:40:57,418 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions.
[2020-08-21 14:40:57,419 INFO  L78                 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51
[2020-08-21 14:40:57,419 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:40:57,419 INFO  L479      AbstractCegarLoop]: Abstraction has 210 states and 256 transitions.
[2020-08-21 14:40:57,419 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 14:40:57,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions.
[2020-08-21 14:40:57,422 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-08-21 14:40:57,422 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:40:57,422 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 14:40:57,423 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 14:40:57,423 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:40:57,423 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:40:57,423 INFO  L82        PathProgramCache]: Analyzing trace with hash 1167362893, now seen corresponding path program 1 times
[2020-08-21 14:40:57,423 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:40:57,424 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833639954]
[2020-08-21 14:40:57,424 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:40:57,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,714 WARN  L193               SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 14:40:57,715 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:40:57,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,747 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 14:40:57,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,749 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 14:40:57,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,751 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 14:40:57,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,754 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 14:40:57,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,782 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-21 14:40:57,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,786 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-21 14:40:57,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,802 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-08-21 14:40:57,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:40:57,814 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 14:40:57,815 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833639954]
[2020-08-21 14:40:57,815 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:40:57,815 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-21 14:40:57,815 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200348696]
[2020-08-21 14:40:57,816 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 14:40:57,816 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:40:57,816 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 14:40:57,817 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 14:40:57,817 INFO  L87              Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 8 states.
[2020-08-21 14:40:58,194 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 14:40:59,158 WARN  L193               SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:40:59,520 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 14:40:59,806 WARN  L193               SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:41:00,109 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:41:00,430 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 14:41:01,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:41:01,044 INFO  L93              Difference]: Finished difference Result 680 states and 901 transitions.
[2020-08-21 14:41:01,048 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-08-21 14:41:01,049 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 57
[2020-08-21 14:41:01,049 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:41:01,055 INFO  L225             Difference]: With dead ends: 680
[2020-08-21 14:41:01,055 INFO  L226             Difference]: Without dead ends: 494
[2020-08-21 14:41:01,057 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2020-08-21 14:41:01,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 494 states.
[2020-08-21 14:41:01,190 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 375.
[2020-08-21 14:41:01,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 375 states.
[2020-08-21 14:41:01,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions.
[2020-08-21 14:41:01,194 INFO  L78                 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57
[2020-08-21 14:41:01,195 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:41:01,195 INFO  L479      AbstractCegarLoop]: Abstraction has 375 states and 462 transitions.
[2020-08-21 14:41:01,195 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 14:41:01,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions.
[2020-08-21 14:41:01,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-08-21 14:41:01,198 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 14:41:01,199 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 14:41:01,199 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 14:41:01,199 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 14:41:01,199 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 14:41:01,200 INFO  L82        PathProgramCache]: Analyzing trace with hash 2126623889, now seen corresponding path program 1 times
[2020-08-21 14:41:01,200 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 14:41:01,200 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016270841]
[2020-08-21 14:41:01,200 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 14:41:01,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,503 WARN  L193               SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 14:41:01,504 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 14:41:01,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,558 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 14:41:01,559 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,561 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 14:41:01,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,563 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 14:41:01,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,565 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 14:41:01,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,575 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-08-21 14:41:01,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,588 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-21 14:41:01,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,593 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-08-21 14:41:01,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,595 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-08-21 14:41:01,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 14:41:01,617 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 14:41:01,618 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016270841]
[2020-08-21 14:41:01,618 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 14:41:01,618 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-21 14:41:01,619 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923319917]
[2020-08-21 14:41:01,619 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-21 14:41:01,619 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 14:41:01,620 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-21 14:41:01,620 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-21 14:41:01,620 INFO  L87              Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 9 states.
[2020-08-21 14:41:02,015 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 14:41:02,900 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:41:03,174 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:41:03,420 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 14:41:03,700 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 14:41:03,700 INFO  L93              Difference]: Finished difference Result 705 states and 922 transitions.
[2020-08-21 14:41:03,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-08-21 14:41:03,701 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 61
[2020-08-21 14:41:03,701 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 14:41:03,701 INFO  L225             Difference]: With dead ends: 705
[2020-08-21 14:41:03,702 INFO  L226             Difference]: Without dead ends: 0
[2020-08-21 14:41:03,707 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 14:41:03,708 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 14:41:03,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 14:41:03,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 14:41:03,708 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 14:41:03,709 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61
[2020-08-21 14:41:03,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 14:41:03,709 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 14:41:03,709 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-21 14:41:03,709 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 14:41:03,709 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 14:41:03,710 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 14:41:03,712 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 14:41:06,707 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9
[2020-08-21 14:41:06,877 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 14:41:07,142 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 14:41:07,303 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-21 14:41:07,646 WARN  L193               SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-21 14:41:08,134 WARN  L193               SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14
[2020-08-21 14:41:08,300 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-21 14:41:08,453 WARN  L193               SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1
[2020-08-21 14:41:08,756 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8
[2020-08-21 14:41:09,066 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9
[2020-08-21 14:41:09,365 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8
[2020-08-21 14:41:09,560 WARN  L193               SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8
[2020-08-21 14:41:09,748 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-21 14:41:09,914 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 14:41:10,090 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 14:41:10,271 WARN  L193               SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 14:41:10,433 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1
[2020-08-21 14:41:10,597 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 14:41:10,761 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-21 14:41:11,124 WARN  L193               SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-21 14:41:11,312 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-21 14:41:11,637 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11
[2020-08-21 14:41:11,800 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-21 14:41:11,822 INFO  L268        CegarLoopResult]: For program point  L634(lines 611 635)  no Hoare annotation was computed.
[2020-08-21 14:41:11,822 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 587 642)  no Hoare annotation was computed.
[2020-08-21 14:41:11,822 INFO  L268        CegarLoopResult]: For program point  L618(lines 618 622)  no Hoare annotation was computed.
[2020-08-21 14:41:11,822 INFO  L268        CegarLoopResult]: For program point  L618-1(lines 618 622)  no Hoare annotation was computed.
[2020-08-21 14:41:11,822 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 587 642)  no Hoare annotation was computed.
[2020-08-21 14:41:11,822 INFO  L268        CegarLoopResult]: For program point  L613(line 613)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 587 642)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  L612-2(lines 612 633)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  L670(line 670)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  L669-2(lines 669 694)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  L695(lines 668 696)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 643 702)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  L688(line 688)  no Hoare annotation was computed.
[2020-08-21 14:41:11,823 INFO  L268        CegarLoopResult]: For program point  L688-1(line 688)  no Hoare annotation was computed.
[2020-08-21 14:41:11,824 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 643 702)  no Hoare annotation was computed.
[2020-08-21 14:41:11,824 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 643 702)  no Hoare annotation was computed.
[2020-08-21 14:41:11,824 INFO  L268        CegarLoopResult]: For program point  L675(lines 675 679)  no Hoare annotation was computed.
[2020-08-21 14:41:11,824 INFO  L268        CegarLoopResult]: For program point  L675-1(lines 675 679)  no Hoare annotation was computed.
[2020-08-21 14:41:11,824 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 246 252)  the Hoare annotation is:  true
[2020-08-21 14:41:11,824 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 246 252)  no Hoare annotation was computed.
[2020-08-21 14:41:11,825 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 253 261)  no Hoare annotation was computed.
[2020-08-21 14:41:11,825 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 253 261)  the Hoare annotation is:  true
[2020-08-21 14:41:11,825 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 253 261)  no Hoare annotation was computed.
[2020-08-21 14:41:11,825 INFO  L268        CegarLoopResult]: For program point  L130-1(lines 130 137)  no Hoare annotation was computed.
[2020-08-21 14:41:11,825 INFO  L268        CegarLoopResult]: For program point  L128(line 128)  no Hoare annotation was computed.
[2020-08-21 14:41:11,825 INFO  L264        CegarLoopResult]: At program point  L127(line 127)  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 14:41:11,826 INFO  L264        CegarLoopResult]: At program point  L126(line 126)  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 14:41:11,826 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 120 142)  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 14:41:11,826 INFO  L264        CegarLoopResult]: At program point  L126-1(line 126)  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 14:41:11,826 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 120 142)  no Hoare annotation was computed.
[2020-08-21 14:41:11,826 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 120 142)  no Hoare annotation was computed.
[2020-08-21 14:41:11,826 INFO  L264        CegarLoopResult]: At program point  L132(line 132)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |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 14:41:11,827 INFO  L264        CegarLoopResult]: At program point  L132-1(line 132)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |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 14:41:11,827 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 137)  no Hoare annotation was computed.
[2020-08-21 14:41:11,827 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 75 98)  no Hoare annotation was computed.
[2020-08-21 14:41:11,827 INFO  L268        CegarLoopResult]: For program point  L93(line 93)  no Hoare annotation was computed.
[2020-08-21 14:41:11,827 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 75 98)  no Hoare annotation was computed.
[2020-08-21 14:41:11,827 INFO  L268        CegarLoopResult]: For program point  L92(line 92)  no Hoare annotation was computed.
[2020-08-21 14:41:11,827 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 75 98)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L90(line 90)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L89(line 89)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L87(line 87)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-08-21 14:41:11,828 INFO  L268        CegarLoopResult]: For program point  L84(line 84)  no Hoare annotation was computed.
[2020-08-21 14:41:11,829 INFO  L268        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-08-21 14:41:11,829 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-08-21 14:41:11,829 INFO  L268        CegarLoopResult]: For program point  L81(line 81)  no Hoare annotation was computed.
[2020-08-21 14:41:11,829 INFO  L268        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-08-21 14:41:11,829 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__methaneQueryEXIT(lines 330 336)  no Hoare annotation was computed.
[2020-08-21 14:41:11,829 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__methaneQueryFINAL(lines 330 336)  the Hoare annotation is:  true
[2020-08-21 14:41:11,829 INFO  L268        CegarLoopResult]: For program point  stopSystemEXIT(lines 452 466)  no Hoare annotation was computed.
[2020-08-21 14:41:11,829 INFO  L264        CegarLoopResult]: At program point  L458(line 458)  the Hoare annotation is:  (not (= |old(~pumpRunning~0)| 0))
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  L456(lines 456 462)  no Hoare annotation was computed.
[2020-08-21 14:41:11,830 INFO  L264        CegarLoopResult]: At program point  stopSystemENTRY(lines 452 466)  the Hoare annotation is:  (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  stopSystemFINAL(lines 452 466)  no Hoare annotation was computed.
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseEXIT(lines 363 370)  no Hoare annotation was computed.
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseENTRY(lines 363 370)  no Hoare annotation was computed.
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseFINAL(lines 363 370)  no Hoare annotation was computed.
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 407 415)  no Hoare annotation was computed.
[2020-08-21 14:41:11,830 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 407 415)  the Hoare annotation is:  true
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 407 415)  no Hoare annotation was computed.
[2020-08-21 14:41:11,830 INFO  L268        CegarLoopResult]: For program point  L446(line 446)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  L446-1(line 446)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  L435(lines 435 443)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  L435-2(lines 435 443)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 416 451)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  L423(lines 423 431)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 416 451)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  L423-2(lines 423 431)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 416 451)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 239 245)  no Hoare annotation was computed.
[2020-08-21 14:41:11,831 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 239 245)  the Hoare annotation is:  true
[2020-08-21 14:41:11,831 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 541 586)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 541 586)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 541 586)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 854 899)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 854 899)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  L874(lines 874 881)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 854 899)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  L868(lines 868 888)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L268        CegarLoopResult]: For program point  L868-1(lines 868 888)  no Hoare annotation was computed.
[2020-08-21 14:41:11,832 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 107 116)  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 14:41:11,833 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 107 116)  no Hoare annotation was computed.
[2020-08-21 14:41:11,833 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 107 116)  no Hoare annotation was computed.
[2020-08-21 14:41:11,833 INFO  L271        CegarLoopResult]: At program point  L401(line 401)  the Hoare annotation is:  true
[2020-08-21 14:41:11,833 INFO  L268        CegarLoopResult]: For program point  L401-1(line 401)  no Hoare annotation was computed.
[2020-08-21 14:41:11,833 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 396 406)  the Hoare annotation is:  true
[2020-08-21 14:41:11,833 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 396 406)  no Hoare annotation was computed.
[2020-08-21 14:41:11,833 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 396 406)  no Hoare annotation was computed.
[2020-08-21 14:41:11,833 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 388 395)  the Hoare annotation is:  true
[2020-08-21 14:41:11,833 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 388 395)  no Hoare annotation was computed.
[2020-08-21 14:41:11,833 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 388 395)  no Hoare annotation was computed.
[2020-08-21 14:41:11,834 INFO  L264        CegarLoopResult]: At program point  L352(line 352)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 14:41:11,834 INFO  L264        CegarLoopResult]: At program point  L348(line 348)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 14:41:11,834 INFO  L268        CegarLoopResult]: For program point  L346(lines 346 354)  no Hoare annotation was computed.
[2020-08-21 14:41:11,834 INFO  L264        CegarLoopResult]: At program point  L344(line 344)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 14:41:11,834 INFO  L268        CegarLoopResult]: For program point  L344-1(line 344)  no Hoare annotation was computed.
[2020-08-21 14:41:11,834 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 338 362)  no Hoare annotation was computed.
[2020-08-21 14:41:11,834 INFO  L268        CegarLoopResult]: For program point  L342(lines 342 359)  no Hoare annotation was computed.
[2020-08-21 14:41:11,834 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 338 362)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 14:41:11,835 INFO  L264        CegarLoopResult]: At program point  L357(line 357)  the Hoare annotation is:  (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 14:41:11,835 INFO  L268        CegarLoopResult]: For program point  L357-1(lines 338 362)  no Hoare annotation was computed.
[2020-08-21 14:41:11,835 INFO  L264        CegarLoopResult]: At program point  L514-1(lines 508 521)  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 14:41:11,835 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 468 533)  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 14:41:11,835 INFO  L268        CegarLoopResult]: For program point  L479(lines 478 525)  no Hoare annotation was computed.
[2020-08-21 14:41:11,835 INFO  L268        CegarLoopResult]: For program point  L508(lines 508 521)  no Hoare annotation was computed.
[2020-08-21 14:41:11,835 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 468 533)  no Hoare annotation was computed.
[2020-08-21 14:41:11,835 INFO  L264        CegarLoopResult]: At program point  L500(line 500)  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 14:41:11,836 INFO  L268        CegarLoopResult]: For program point  L498(lines 498 504)  no Hoare annotation was computed.
[2020-08-21 14:41:11,836 INFO  L268        CegarLoopResult]: For program point  L498-1(lines 498 504)  no Hoare annotation was computed.
[2020-08-21 14:41:11,836 INFO  L264        CegarLoopResult]: At program point  L523(lines 478 525)  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 14:41:11,836 INFO  L264        CegarLoopResult]: At program point  L490(line 490)  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 14:41:11,836 INFO  L268        CegarLoopResult]: For program point  L488(lines 488 494)  no Hoare annotation was computed.
[2020-08-21 14:41:11,836 INFO  L268        CegarLoopResult]: For program point  L488-1(lines 488 494)  no Hoare annotation was computed.
[2020-08-21 14:41:11,836 INFO  L268        CegarLoopResult]: For program point  L480(lines 480 484)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L264        CegarLoopResult]: At program point  L526(lines 477 527)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 14:41:11,837 INFO  L264        CegarLoopResult]: At program point  L516(line 516)  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 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 468 533)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  L514(lines 514 520)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  L828(lines 828 835)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 808 853)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  L822(lines 822 842)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  L822-1(lines 822 842)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 808 853)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 808 853)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 211)  no Hoare annotation was computed.
[2020-08-21 14:41:11,837 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 211)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 195 217)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 195 217)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 195 217)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 229 238)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 229 238)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 229 238)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  L770-1(line 770)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 705 807)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  L729(lines 729 733)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  L793(lines 793 804)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  L756(lines 756 760)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  L754-2(lines 754 774)  no Hoare annotation was computed.
[2020-08-21 14:41:11,838 INFO  L268        CegarLoopResult]: For program point  L775(lines 753 776)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 705 807)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  L734(lines 734 750)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  L794(lines 794 801)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  L755(lines 754 774)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  L786(line 786)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 705 807)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  L786-1(line 786)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  L751(lines 751 792)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  L770(line 770)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 14:41:11,839 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~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.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~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  L382(line 382)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  L382-1(lines 371 387)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 371 387)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 384)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 371 387)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  L376(line 376)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  L376-1(line 376)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 218 226)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 218 226)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 218 226)  no Hoare annotation was computed.
[2020-08-21 14:41:11,840 INFO  L268        CegarLoopResult]: For program point  L178-1(lines 174 185)  no Hoare annotation was computed.
[2020-08-21 14:41:11,841 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 174 185)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-21 14:41:11,841 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 174 185)  no Hoare annotation was computed.
[2020-08-21 14:41:11,841 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 14:41:11,841 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-21 14:41:11,841 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 14:41:11,841 INFO  L264        CegarLoopResult]: At program point  L319(line 319)  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 14:41:11,841 INFO  L264        CegarLoopResult]: At program point  L317(lines 317 323)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 14:41:11,841 INFO  L264        CegarLoopResult]: At program point  L312(line 312)  the Hoare annotation is:  (not (= |old(~pumpRunning~0)| 0))
[2020-08-21 14:41:11,841 INFO  L268        CegarLoopResult]: For program point  L310(lines 309 328)  no Hoare annotation was computed.
[2020-08-21 14:41:11,841 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 306 329)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 14:41:11,841 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 306 329)  no Hoare annotation was computed.
[2020-08-21 14:41:11,842 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 306 329)  no Hoare annotation was computed.
[2020-08-21 14:41:11,842 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 42 71)  no Hoare annotation was computed.
[2020-08-21 14:41:11,842 INFO  L268        CegarLoopResult]: For program point  L63(line 63)  no Hoare annotation was computed.
[2020-08-21 14:41:11,842 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 42 71)  the Hoare annotation is:  true
[2020-08-21 14:41:11,842 INFO  L268        CegarLoopResult]: For program point  L56(lines 56 60)  no Hoare annotation was computed.
[2020-08-21 14:41:11,842 INFO  L271        CegarLoopResult]: At program point  L56-1(lines 56 60)  the Hoare annotation is:  true
[2020-08-21 14:41:11,842 INFO  L268        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2020-08-21 14:41:11,842 INFO  L271        CegarLoopResult]: At program point  L52-2(lines 52 66)  the Hoare annotation is:  true
[2020-08-21 14:41:11,842 INFO  L271        CegarLoopResult]: At program point  L48(line 48)  the Hoare annotation is:  true
[2020-08-21 14:41:11,842 INFO  L268        CegarLoopResult]: For program point  L48-1(line 48)  no Hoare annotation was computed.
[2020-08-21 14:41:11,843 INFO  L271        CegarLoopResult]: At program point  L67(lines 42 71)  the Hoare annotation is:  true
[2020-08-21 14:41:11,843 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 186 194)  the Hoare annotation is:  true
[2020-08-21 14:41:11,843 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 186 194)  no Hoare annotation was computed.
[2020-08-21 14:41:11,843 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 186 194)  no Hoare annotation was computed.
[2020-08-21 14:41:11,843 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 150 161)  the Hoare annotation is:  true
[2020-08-21 14:41:11,843 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 150 161)  no Hoare annotation was computed.
[2020-08-21 14:41:11,843 INFO  L268        CegarLoopResult]: For program point  L154-1(lines 150 161)  no Hoare annotation was computed.
[2020-08-21 14:41:11,843 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 99 105)  no Hoare annotation was computed.
[2020-08-21 14:41:11,843 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 99 105)  the Hoare annotation is:  true
[2020-08-21 14:41:11,844 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 14:41:11,844 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 14:41:11,844 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-21 14:41:11,844 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 14:41:11,844 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 162 173)  no Hoare annotation was computed.
[2020-08-21 14:41:11,844 INFO  L268        CegarLoopResult]: For program point  L166-1(lines 162 173)  no Hoare annotation was computed.
[2020-08-21 14:41:11,844 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 162 173)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-21 14:41:11,844 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 291 298)  no Hoare annotation was computed.
[2020-08-21 14:41:11,845 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295)  no Hoare annotation was computed.
[2020-08-21 14:41:11,845 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 291 298)  the Hoare annotation is:  true
[2020-08-21 14:41:11,845 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 291 298)  no Hoare annotation was computed.
[2020-08-21 14:41:11,845 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 265 289)  the Hoare annotation is:  true
[2020-08-21 14:41:11,845 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 265 289)  no Hoare annotation was computed.
[2020-08-21 14:41:11,845 INFO  L264        CegarLoopResult]: At program point  L279(line 279)  the Hoare annotation is:  (not (= ~pumpRunning~0 0))
[2020-08-21 14:41:11,846 INFO  L268        CegarLoopResult]: For program point  L277(lines 277 283)  no Hoare annotation was computed.
[2020-08-21 14:41:11,846 INFO  L264        CegarLoopResult]: At program point  L275(line 275)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)))
[2020-08-21 14:41:11,846 INFO  L268        CegarLoopResult]: For program point  L275-1(line 275)  no Hoare annotation was computed.
[2020-08-21 14:41:11,846 INFO  L268        CegarLoopResult]: For program point  L273(lines 273 286)  no Hoare annotation was computed.
[2020-08-21 14:41:11,846 INFO  L268        CegarLoopResult]: For program point  L273-1(lines 265 289)  no Hoare annotation was computed.
[2020-08-21 14:41:11,846 INFO  L271        CegarLoopResult]: At program point  L271(line 271)  the Hoare annotation is:  true
[2020-08-21 14:41:11,846 INFO  L268        CegarLoopResult]: For program point  L271-1(line 271)  no Hoare annotation was computed.
[2020-08-21 14:41:11,863 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:41:11 BoogieIcfgContainer
[2020-08-21 14:41:11,863 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 14:41:11,865 INFO  L168              Benchmark]: Toolchain (without parser) took 23830.84 ms. Allocated memory was 140.5 MB in the beginning and 599.8 MB in the end (delta: 459.3 MB). Free memory was 102.3 MB in the beginning and 282.5 MB in the end (delta: -180.1 MB). Peak memory consumption was 477.2 MB. Max. memory is 7.1 GB.
[2020-08-21 14:41:11,866 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-21 14:41:11,867 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 617.38 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 172.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB.
[2020-08-21 14:41:11,868 INFO  L168              Benchmark]: Boogie Preprocessor took 88.18 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-21 14:41:11,869 INFO  L168              Benchmark]: RCFGBuilder took 1149.76 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 198.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB.
[2020-08-21 14:41:11,870 INFO  L168              Benchmark]: TraceAbstraction took 21969.47 ms. Allocated memory was 236.5 MB in the beginning and 599.8 MB in the end (delta: 363.3 MB). Free memory was 198.8 MB in the beginning and 282.5 MB in the end (delta: -83.7 MB). Peak memory consumption was 477.8 MB. Max. memory is 7.1 GB.
[2020-08-21 14:41:11,873 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 617.38 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 172.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 88.18 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1149.76 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 198.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 21969.47 ms. Allocated memory was 236.5 MB in the beginning and 599.8 MB in the end (delta: 363.3 MB). Free memory was 198.8 MB in the beginning and 282.5 MB in the end (delta: -83.7 MB). Peak memory consumption was 477.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 295]: 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: 477]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 52]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 42]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 478]: 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 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 446 SDtfs, 752 SDslu, 385 SDs, 0 SdLazy, 1883 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred 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, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 676 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 51 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...