/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 15:15:43,682 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 15:15:43,685 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 15:15:43,720 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 15:15:43,721 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 15:15:43,727 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 15:15:43,731 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 15:15:43,734 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 15:15:43,736 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 15:15:43,739 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 15:15:43,740 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 15:15:43,741 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 15:15:43,741 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 15:15:43,744 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 15:15:43,746 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 15:15:43,747 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 15:15:43,748 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 15:15:43,749 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 15:15:43,751 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 15:15:43,758 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 15:15:43,760 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 15:15:43,761 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 15:15:43,762 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 15:15:43,762 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 15:15:43,774 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 15:15:43,774 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 15:15:43,774 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 15:15:43,775 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 15:15:43,776 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 15:15:43,776 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 15:15:43,777 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 15:15:43,779 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 15:15:43,779 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 15:15:43,780 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 15:15:43,781 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 15:15:43,781 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 15:15:43,782 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 15:15:43,782 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 15:15:43,782 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 15:15:43,783 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 15:15:43,784 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 15:15:43,785 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-18 15:15:43,819 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 15:15:43,819 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 15:15:43,820 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 15:15:43,821 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 15:15:43,821 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 15:15:43,821 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 15:15:43,821 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 15:15:43,821 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 15:15:43,822 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 15:15:43,822 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 15:15:43,822 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 15:15:43,822 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 15:15:43,822 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 15:15:43,823 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 15:15:43,823 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 15:15:43,823 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 15:15:43,823 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 15:15:43,823 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 15:15:43,824 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 15:15:43,824 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 15:15:43,824 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 15:15:43,824 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 15:15:43,824 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 15:15:43,825 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 15:15:43,825 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 15:15:43,825 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 15:15:43,825 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 15:15:43,825 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 15:15:43,826 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 15:15:43,826 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false
[2020-08-18 15:15:44,124 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 15:15:44,136 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 15:15:44,139 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 15:15:44,140 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 15:15:44,141 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 15:15:44,141 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c
[2020-08-18 15:15:44,197 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97737a8f2/fd00567f50f245f491519a7d207e8893/FLAGc614611d8
[2020-08-18 15:15:44,681 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 15:15:44,682 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c
[2020-08-18 15:15:44,694 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97737a8f2/fd00567f50f245f491519a7d207e8893/FLAGc614611d8
[2020-08-18 15:15:45,028 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97737a8f2/fd00567f50f245f491519a7d207e8893
[2020-08-18 15:15:45,035 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 15:15:45,037 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 15:15:45,040 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 15:15:45,040 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 15:15:45,043 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 15:15:45,044 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,047 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32828226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45, skipping insertion in model container
[2020-08-18 15:15:45,047 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,055 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 15:15:45,117 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 15:15:45,425 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 15:15:45,529 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 15:15:45,610 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 15:15:45,640 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 15:15:45,640 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45 WrapperNode
[2020-08-18 15:15:45,640 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 15:15:45,641 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 15:15:45,641 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 15:15:45,641 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 15:15:45,651 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,651 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,668 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,669 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,701 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,710 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,715 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
[2020-08-18 15:15:45,723 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 15:15:45,723 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 15:15:45,724 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 15:15:45,724 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 15:15:45,725 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 15:15:45,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 15:15:45,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 15:15:45,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-18 15:15:45,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-18 15:15:45,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-18 15:15:45,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-18 15:15:45,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-18 15:15:45,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-18 15:15:45,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-18 15:15:45,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-18 15:15:45,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-18 15:15:45,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-18 15:15:45,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-18 15:15:45,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-18 15:15:45,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-18 15:15:45,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-18 15:15:45,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-18 15:15:45,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-18 15:15:45,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-18 15:15:45,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-18 15:15:45,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-18 15:15:45,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-18 15:15:45,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-18 15:15:45,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-18 15:15:45,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-18 15:15:45,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-18 15:15:45,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-18 15:15:45,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-18 15:15:45,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-18 15:15:45,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-18 15:15:45,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2020-08-18 15:15:45,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2020-08-18 15:15:45,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-18 15:15:45,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-18 15:15:45,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-18 15:15:45,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-18 15:15:45,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 15:15:45,793 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 15:15:45,794 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 15:15:45,794 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 15:15:45,794 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-18 15:15:45,794 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-18 15:15:45,794 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-18 15:15:45,794 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-18 15:15:45,795 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-18 15:15:45,795 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-18 15:15:45,795 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-18 15:15:45,795 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 15:15:45,795 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-18 15:15:45,795 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 15:15:45,795 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 15:15:45,796 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-18 15:15:45,796 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 15:15:45,796 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-18 15:15:45,796 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 15:15:45,796 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-18 15:15:45,796 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-18 15:15:45,796 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 15:15:45,797 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-18 15:15:45,797 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-18 15:15:45,797 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 15:15:45,798 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-18 15:15:45,798 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-18 15:15:45,798 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-18 15:15:45,798 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-18 15:15:45,798 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-18 15:15:45,798 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-18 15:15:45,798 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-18 15:15:45,799 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-18 15:15:45,799 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-18 15:15:45,799 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-18 15:15:45,799 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-18 15:15:45,800 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-18 15:15:45,800 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-18 15:15:45,800 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-18 15:15:45,800 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-18 15:15:45,801 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2020-08-18 15:15:45,801 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-18 15:15:45,801 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-18 15:15:45,801 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-18 15:15:45,802 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2020-08-18 15:15:45,802 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-18 15:15:45,803 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-18 15:15:45,803 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-18 15:15:45,803 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 15:15:45,803 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 15:15:45,803 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 15:15:45,804 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 15:15:46,777 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 15:15:46,777 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-18 15:15:46,782 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:15:46 BoogieIcfgContainer
[2020-08-18 15:15:46,782 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 15:15:46,783 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 15:15:46,784 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 15:15:46,787 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 15:15:46,787 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:15:45" (1/3) ...
[2020-08-18 15:15:46,788 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7381bd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:15:46, skipping insertion in model container
[2020-08-18 15:15:46,788 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (2/3) ...
[2020-08-18 15:15:46,788 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7381bd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:15:46, skipping insertion in model container
[2020-08-18 15:15:46,788 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:15:46" (3/3) ...
[2020-08-18 15:15:46,790 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c
[2020-08-18 15:15:46,800 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 15:15:46,808 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 15:15:46,822 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 15:15:46,845 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 15:15:46,846 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 15:15:46,846 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 15:15:46,846 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 15:15:46,846 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 15:15:46,847 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 15:15:46,847 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 15:15:46,847 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 15:15:46,868 INFO  L276                IsEmpty]: Start isEmpty. Operand 144 states.
[2020-08-18 15:15:46,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-08-18 15:15:46,877 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 15:15:46,878 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 15:15:46,879 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 15:15:46,884 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 15:15:46,885 INFO  L82        PathProgramCache]: Analyzing trace with hash 1568761122, now seen corresponding path program 1 times
[2020-08-18 15:15:46,892 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 15:15:46,893 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49551657]
[2020-08-18 15:15:46,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 15:15:47,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,507 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 15:15:47,508 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 15:15:47,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,581 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 15:15:47,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,585 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 15:15:47,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,589 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 15:15:47,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,595 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 15:15:47,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,607 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 15:15:47,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,612 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-08-18 15:15:47,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,618 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2020-08-18 15:15:47,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:47,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 15:15:47,637 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49551657]
[2020-08-18 15:15:47,639 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 15:15:47,639 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-18 15:15:47,640 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238694032]
[2020-08-18 15:15:47,645 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 15:15:47,646 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 15:15:47,659 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 15:15:47,660 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-08-18 15:15:47,663 INFO  L87              Difference]: Start difference. First operand 144 states. Second operand 4 states.
[2020-08-18 15:15:48,578 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 15:15:48,578 INFO  L93              Difference]: Finished difference Result 208 states and 279 transitions.
[2020-08-18 15:15:48,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-08-18 15:15:48,580 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 51
[2020-08-18 15:15:48,581 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 15:15:48,594 INFO  L225             Difference]: With dead ends: 208
[2020-08-18 15:15:48,594 INFO  L226             Difference]: Without dead ends: 119
[2020-08-18 15:15:48,599 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-08-18 15:15:48,618 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2020-08-18 15:15:48,669 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 90.
[2020-08-18 15:15:48,670 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 90 states.
[2020-08-18 15:15:48,672 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions.
[2020-08-18 15:15:48,674 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51
[2020-08-18 15:15:48,674 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 15:15:48,674 INFO  L479      AbstractCegarLoop]: Abstraction has 90 states and 104 transitions.
[2020-08-18 15:15:48,674 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 15:15:48,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions.
[2020-08-18 15:15:48,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-18 15:15:48,678 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 15:15:48,678 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 15:15:48,678 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 15:15:48,678 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 15:15:48,679 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 15:15:48,679 INFO  L82        PathProgramCache]: Analyzing trace with hash -1581025708, now seen corresponding path program 1 times
[2020-08-18 15:15:48,679 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 15:15:48,679 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704116086]
[2020-08-18 15:15:48,680 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 15:15:48,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:48,986 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 15:15:48,988 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 15:15:48,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,029 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 15:15:49,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,033 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 15:15:49,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,034 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 15:15:49,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,039 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 15:15:49,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,050 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 15:15:49,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,053 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-18 15:15:49,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,055 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-18 15:15:49,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:49,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 15:15:49,065 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704116086]
[2020-08-18 15:15:49,066 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 15:15:49,066 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-18 15:15:49,066 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856420036]
[2020-08-18 15:15:49,068 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-18 15:15:49,069 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 15:15:49,069 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-18 15:15:49,069 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-08-18 15:15:49,069 INFO  L87              Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 5 states.
[2020-08-18 15:15:49,519 WARN  L193               SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-18 15:15:50,071 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 15:15:50,071 INFO  L93              Difference]: Finished difference Result 149 states and 186 transitions.
[2020-08-18 15:15:50,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-08-18 15:15:50,072 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 52
[2020-08-18 15:15:50,072 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 15:15:50,074 INFO  L225             Difference]: With dead ends: 149
[2020-08-18 15:15:50,074 INFO  L226             Difference]: Without dead ends: 109
[2020-08-18 15:15:50,075 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-08-18 15:15:50,076 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-08-18 15:15:50,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81.
[2020-08-18 15:15:50,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 81 states.
[2020-08-18 15:15:50,104 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions.
[2020-08-18 15:15:50,104 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52
[2020-08-18 15:15:50,105 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 15:15:50,105 INFO  L479      AbstractCegarLoop]: Abstraction has 81 states and 92 transitions.
[2020-08-18 15:15:50,105 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-18 15:15:50,105 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions.
[2020-08-18 15:15:50,107 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-08-18 15:15:50,107 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 15:15:50,107 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 15:15:50,108 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 15:15:50,108 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 15:15:50,108 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 15:15:50,108 INFO  L82        PathProgramCache]: Analyzing trace with hash -409908338, now seen corresponding path program 1 times
[2020-08-18 15:15:50,108 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 15:15:50,109 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390216730]
[2020-08-18 15:15:50,109 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 15:15:50,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,425 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 15:15:50,426 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 15:15:50,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,482 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 15:15:50,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,485 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 15:15:50,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,486 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 15:15:50,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,517 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 15:15:50,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,531 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 15:15:50,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,533 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2020-08-18 15:15:50,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,535 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2020-08-18 15:15:50,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:50,545 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 15:15:50,545 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390216730]
[2020-08-18 15:15:50,545 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 15:15:50,546 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-18 15:15:50,546 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301088702]
[2020-08-18 15:15:50,547 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-18 15:15:50,547 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 15:15:50,547 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-18 15:15:50,547 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-18 15:15:50,548 INFO  L87              Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 9 states.
[2020-08-18 15:15:50,930 WARN  L193               SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 15:15:51,232 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:51,471 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:51,722 WARN  L193               SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:52,459 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 15:15:52,459 INFO  L93              Difference]: Finished difference Result 162 states and 205 transitions.
[2020-08-18 15:15:52,460 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-08-18 15:15:52,460 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 57
[2020-08-18 15:15:52,461 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 15:15:52,462 INFO  L225             Difference]: With dead ends: 162
[2020-08-18 15:15:52,462 INFO  L226             Difference]: Without dead ends: 109
[2020-08-18 15:15:52,463 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2020-08-18 15:15:52,464 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-08-18 15:15:52,488 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81.
[2020-08-18 15:15:52,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 81 states.
[2020-08-18 15:15:52,506 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions.
[2020-08-18 15:15:52,506 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 57
[2020-08-18 15:15:52,506 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 15:15:52,506 INFO  L479      AbstractCegarLoop]: Abstraction has 81 states and 91 transitions.
[2020-08-18 15:15:52,507 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-18 15:15:52,507 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions.
[2020-08-18 15:15:52,511 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-08-18 15:15:52,511 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 15:15:52,512 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 15:15:52,512 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 15:15:52,512 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 15:15:52,513 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 15:15:52,513 INFO  L82        PathProgramCache]: Analyzing trace with hash 1254648935, now seen corresponding path program 1 times
[2020-08-18 15:15:52,513 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 15:15:52,513 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258561099]
[2020-08-18 15:15:52,514 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 15:15:52,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,850 WARN  L193               SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 15:15:52,851 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 15:15:52,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,878 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 15:15:52,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,880 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 15:15:52,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,882 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 15:15:52,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,884 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 15:15:52,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,899 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 15:15:52,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,901 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-08-18 15:15:52,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,903 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2020-08-18 15:15:52,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,914 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2020-08-18 15:15:52,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:52,924 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 15:15:52,925 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258561099]
[2020-08-18 15:15:52,925 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 15:15:52,925 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 15:15:52,926 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716857420]
[2020-08-18 15:15:52,926 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 15:15:52,927 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 15:15:52,927 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 15:15:52,927 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 15:15:52,928 INFO  L87              Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 8 states.
[2020-08-18 15:15:53,326 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 15:15:54,185 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:54,423 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:54,678 WARN  L193               SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:54,889 WARN  L193               SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 15:15:55,298 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 15:15:55,299 INFO  L93              Difference]: Finished difference Result 219 states and 281 transitions.
[2020-08-18 15:15:55,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-08-18 15:15:55,299 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 60
[2020-08-18 15:15:55,300 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 15:15:55,302 INFO  L225             Difference]: With dead ends: 219
[2020-08-18 15:15:55,303 INFO  L226             Difference]: Without dead ends: 166
[2020-08-18 15:15:55,304 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210
[2020-08-18 15:15:55,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2020-08-18 15:15:55,341 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 124.
[2020-08-18 15:15:55,341 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 124 states.
[2020-08-18 15:15:55,342 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions.
[2020-08-18 15:15:55,343 INFO  L78                 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 60
[2020-08-18 15:15:55,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 15:15:55,343 INFO  L479      AbstractCegarLoop]: Abstraction has 124 states and 142 transitions.
[2020-08-18 15:15:55,343 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 15:15:55,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions.
[2020-08-18 15:15:55,345 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-08-18 15:15:55,345 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 15:15:55,345 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 15:15:55,346 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 15:15:55,346 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 15:15:55,346 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 15:15:55,346 INFO  L82        PathProgramCache]: Analyzing trace with hash -1040881725, now seen corresponding path program 1 times
[2020-08-18 15:15:55,346 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 15:15:55,347 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122843492]
[2020-08-18 15:15:55,347 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 15:15:55,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,623 WARN  L193               SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 15:15:55,624 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 15:15:55,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,649 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 15:15:55,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,651 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 15:15:55,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,652 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 15:15:55,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,655 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 15:15:55,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,683 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 15:15:55,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,694 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-08-18 15:15:55,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,696 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-18 15:15:55,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,698 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-08-18 15:15:55,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,700 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2020-08-18 15:15:55,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 15:15:55,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 15:15:55,729 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122843492]
[2020-08-18 15:15:55,730 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 15:15:55,730 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-18 15:15:55,730 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307000828]
[2020-08-18 15:15:55,731 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-18 15:15:55,731 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 15:15:55,731 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-18 15:15:55,732 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-18 15:15:55,732 INFO  L87              Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 9 states.
[2020-08-18 15:15:56,083 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 15:15:56,862 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:57,121 WARN  L193               SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:57,360 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 15:15:57,587 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 15:15:57,588 INFO  L93              Difference]: Finished difference Result 253 states and 322 transitions.
[2020-08-18 15:15:57,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-08-18 15:15:57,590 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 64
[2020-08-18 15:15:57,590 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 15:15:57,590 INFO  L225             Difference]: With dead ends: 253
[2020-08-18 15:15:57,590 INFO  L226             Difference]: Without dead ends: 0
[2020-08-18 15:15:57,593 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272
[2020-08-18 15:15:57,593 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-18 15:15:57,593 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-18 15:15:57,593 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-18 15:15:57,593 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-18 15:15:57,594 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64
[2020-08-18 15:15:57,594 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 15:15:57,594 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-18 15:15:57,594 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-18 15:15:57,594 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-18 15:15:57,594 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-18 15:15:57,595 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 15:15:57,597 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-18 15:15:57,981 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202
[2020-08-18 15:15:58,453 WARN  L193               SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202
[2020-08-18 15:15:59,768 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23
[2020-08-18 15:15:59,940 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25
[2020-08-18 15:16:00,112 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25
[2020-08-18 15:16:00,290 WARN  L193               SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23
[2020-08-18 15:16:00,507 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17
[2020-08-18 15:16:00,714 WARN  L193               SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15
[2020-08-18 15:16:00,872 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23
[2020-08-18 15:16:01,036 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23
[2020-08-18 15:16:01,201 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23
[2020-08-18 15:16:01,505 WARN  L193               SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11
[2020-08-18 15:16:01,709 WARN  L193               SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 15:16:01,881 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1
[2020-08-18 15:16:02,238 WARN  L193               SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16
[2020-08-18 15:16:02,540 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12
[2020-08-18 15:16:02,716 WARN  L193               SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1
[2020-08-18 15:16:03,053 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-18 15:16:03,342 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16
[2020-08-18 15:16:03,717 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16
[2020-08-18 15:16:04,015 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-18 15:16:04,171 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23
[2020-08-18 15:16:04,461 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-18 15:16:04,466 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 222)  no Hoare annotation was computed.
[2020-08-18 15:16:04,466 INFO  L268        CegarLoopResult]: For program point  L218-1(lines 218 222)  no Hoare annotation was computed.
[2020-08-18 15:16:04,466 INFO  L268        CegarLoopResult]: For program point  L213(line 213)  no Hoare annotation was computed.
[2020-08-18 15:16:04,466 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 187 242)  no Hoare annotation was computed.
[2020-08-18 15:16:04,466 INFO  L268        CegarLoopResult]: For program point  L212-2(lines 212 233)  no Hoare annotation was computed.
[2020-08-18 15:16:04,467 INFO  L268        CegarLoopResult]: For program point  L234(lines 211 235)  no Hoare annotation was computed.
[2020-08-18 15:16:04,467 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 187 242)  no Hoare annotation was computed.
[2020-08-18 15:16:04,467 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 187 242)  no Hoare annotation was computed.
[2020-08-18 15:16:04,467 INFO  L268        CegarLoopResult]: For program point  L288(line 288)  no Hoare annotation was computed.
[2020-08-18 15:16:04,467 INFO  L268        CegarLoopResult]: For program point  L288-1(line 288)  no Hoare annotation was computed.
[2020-08-18 15:16:04,467 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 243 302)  no Hoare annotation was computed.
[2020-08-18 15:16:04,467 INFO  L268        CegarLoopResult]: For program point  L275(lines 275 279)  no Hoare annotation was computed.
[2020-08-18 15:16:04,468 INFO  L268        CegarLoopResult]: For program point  L275-1(lines 275 279)  no Hoare annotation was computed.
[2020-08-18 15:16:04,468 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 243 302)  no Hoare annotation was computed.
[2020-08-18 15:16:04,468 INFO  L268        CegarLoopResult]: For program point  L270(line 270)  no Hoare annotation was computed.
[2020-08-18 15:16:04,468 INFO  L268        CegarLoopResult]: For program point  L269-2(lines 269 294)  no Hoare annotation was computed.
[2020-08-18 15:16:04,468 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 243 302)  no Hoare annotation was computed.
[2020-08-18 15:16:04,469 INFO  L268        CegarLoopResult]: For program point  L295(lines 268 296)  no Hoare annotation was computed.
[2020-08-18 15:16:04,469 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 522 528)  the Hoare annotation is:  true
[2020-08-18 15:16:04,469 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 522 528)  no Hoare annotation was computed.
[2020-08-18 15:16:04,469 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 529 537)  no Hoare annotation was computed.
[2020-08-18 15:16:04,469 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 529 537)  the Hoare annotation is:  true
[2020-08-18 15:16:04,469 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 529 537)  no Hoare annotation was computed.
[2020-08-18 15:16:04,470 INFO  L264        CegarLoopResult]: At program point  L865(line 865)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,470 INFO  L264        CegarLoopResult]: At program point  L865-1(line 865)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,470 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 859 881)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,470 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 859 881)  no Hoare annotation was computed.
[2020-08-18 15:16:04,470 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 859 881)  no Hoare annotation was computed.
[2020-08-18 15:16:04,470 INFO  L264        CegarLoopResult]: At program point  L871(line 871)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,471 INFO  L264        CegarLoopResult]: At program point  L871-1(line 871)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,471 INFO  L268        CegarLoopResult]: For program point  L869(lines 869 876)  no Hoare annotation was computed.
[2020-08-18 15:16:04,471 INFO  L268        CegarLoopResult]: For program point  L869-1(lines 869 876)  no Hoare annotation was computed.
[2020-08-18 15:16:04,471 INFO  L268        CegarLoopResult]: For program point  L867(line 867)  no Hoare annotation was computed.
[2020-08-18 15:16:04,471 INFO  L264        CegarLoopResult]: At program point  L866(line 866)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,471 INFO  L268        CegarLoopResult]: For program point  L833(line 833)  no Hoare annotation was computed.
[2020-08-18 15:16:04,471 INFO  L268        CegarLoopResult]: For program point  L832(line 832)  no Hoare annotation was computed.
[2020-08-18 15:16:04,471 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 817 840)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  L831(line 831)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  L830(line 830)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  L829(line 829)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 817 840)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  L828(line 828)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 817 840)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  L827(line 827)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  L826(line 826)  no Hoare annotation was computed.
[2020-08-18 15:16:04,472 INFO  L268        CegarLoopResult]: For program point  L825(line 825)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  L824(line 824)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  L823(line 823)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  L822(line 822)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  L835(line 835)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  L834(line 834)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseEXIT(lines 648 655)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseENTRY(lines 648 655)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseFINAL(lines 648 655)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 693 701)  no Hoare annotation was computed.
[2020-08-18 15:16:04,473 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 693 701)  the Hoare annotation is:  true
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 693 701)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  L732(line 732)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  L732-1(line 732)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  L721(lines 721 729)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  L721-2(lines 721 729)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 702 737)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 702 737)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  L709(lines 709 717)  no Hoare annotation was computed.
[2020-08-18 15:16:04,474 INFO  L268        CegarLoopResult]: For program point  L709-2(lines 709 717)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 702 737)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 515 521)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 515 521)  the Hoare annotation is:  true
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 141 186)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 141 186)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 141 186)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  L474(lines 474 481)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 454 499)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  L468(lines 468 488)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  L468-1(lines 468 488)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 454 499)  no Hoare annotation was computed.
[2020-08-18 15:16:04,475 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 454 499)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 848 858)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 848 858)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 848 858)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L264        CegarLoopResult]: At program point  L853(line 853)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 682 692)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  L687(line 687)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  L687-1(line 687)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 682 692)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 682 692)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 674 681)  no Hoare annotation was computed.
[2020-08-18 15:16:04,476 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 674 681)  no Hoare annotation was computed.
[2020-08-18 15:16:04,477 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 674 681)  no Hoare annotation was computed.
[2020-08-18 15:16:04,477 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 641 647)  no Hoare annotation was computed.
[2020-08-18 15:16:04,477 INFO  L271        CegarLoopResult]: At program point  processEnvironmentFINAL(lines 641 647)  the Hoare annotation is:  true
[2020-08-18 15:16:04,477 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 542 607)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,477 INFO  L264        CegarLoopResult]: At program point  L574(line 574)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,477 INFO  L268        CegarLoopResult]: For program point  L572(lines 572 578)  no Hoare annotation was computed.
[2020-08-18 15:16:04,477 INFO  L268        CegarLoopResult]: For program point  L572-1(lines 572 578)  no Hoare annotation was computed.
[2020-08-18 15:16:04,477 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 542 607)  no Hoare annotation was computed.
[2020-08-18 15:16:04,478 INFO  L264        CegarLoopResult]: At program point  L597(lines 552 599)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,478 INFO  L264        CegarLoopResult]: At program point  L564(line 564)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,478 INFO  L268        CegarLoopResult]: For program point  L562(lines 562 568)  no Hoare annotation was computed.
[2020-08-18 15:16:04,478 INFO  L268        CegarLoopResult]: For program point  L562-1(lines 562 568)  no Hoare annotation was computed.
[2020-08-18 15:16:04,478 INFO  L268        CegarLoopResult]: For program point  L554(lines 554 558)  no Hoare annotation was computed.
[2020-08-18 15:16:04,478 INFO  L264        CegarLoopResult]: At program point  L600(lines 551 601)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,478 INFO  L268        CegarLoopResult]: For program point  L590(lines 590 594)  no Hoare annotation was computed.
[2020-08-18 15:16:04,479 INFO  L264        CegarLoopResult]: At program point  L590-2(lines 582 595)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,479 INFO  L268        CegarLoopResult]: For program point  L553(lines 552 599)  no Hoare annotation was computed.
[2020-08-18 15:16:04,479 INFO  L264        CegarLoopResult]: At program point  L584(line 584)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 15:16:04,479 INFO  L268        CegarLoopResult]: For program point  L582(lines 582 595)  no Hoare annotation was computed.
[2020-08-18 15:16:04,479 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 542 607)  no Hoare annotation was computed.
[2020-08-18 15:16:04,479 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 408 453)  no Hoare annotation was computed.
[2020-08-18 15:16:04,479 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 408 453)  no Hoare annotation was computed.
[2020-08-18 15:16:04,480 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 408 453)  no Hoare annotation was computed.
[2020-08-18 15:16:04,480 INFO  L268        CegarLoopResult]: For program point  L428(lines 428 435)  no Hoare annotation was computed.
[2020-08-18 15:16:04,480 INFO  L268        CegarLoopResult]: For program point  L422(lines 422 442)  no Hoare annotation was computed.
[2020-08-18 15:16:04,480 INFO  L268        CegarLoopResult]: For program point  L422-1(lines 422 442)  no Hoare annotation was computed.
[2020-08-18 15:16:04,480 INFO  L268        CegarLoopResult]: For program point  L769(lines 769 775)  no Hoare annotation was computed.
[2020-08-18 15:16:04,480 INFO  L268        CegarLoopResult]: For program point  L768(lines 768 778)  no Hoare annotation was computed.
[2020-08-18 15:16:04,480 INFO  L264        CegarLoopResult]: At program point  L766(line 766)  the Hoare annotation is:  (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))
[2020-08-18 15:16:04,480 INFO  L268        CegarLoopResult]: For program point  L766-1(line 766)  no Hoare annotation was computed.
[2020-08-18 15:16:04,481 INFO  L268        CegarLoopResult]: For program point  L764(lines 764 781)  no Hoare annotation was computed.
[2020-08-18 15:16:04,481 INFO  L268        CegarLoopResult]: For program point  L764-1(lines 756 784)  no Hoare annotation was computed.
[2020-08-18 15:16:04,481 INFO  L264        CegarLoopResult]: At program point  L762(line 762)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-18 15:16:04,481 INFO  L268        CegarLoopResult]: For program point  L762-1(line 762)  no Hoare annotation was computed.
[2020-08-18 15:16:04,481 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__2ENTRY(lines 756 784)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-18 15:16:04,481 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__2EXIT(lines 756 784)  no Hoare annotation was computed.
[2020-08-18 15:16:04,481 INFO  L264        CegarLoopResult]: At program point  L771(line 771)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 15:16:04,481 INFO  L268        CegarLoopResult]: For program point  L110(lines 110 118)  no Hoare annotation was computed.
[2020-08-18 15:16:04,481 INFO  L268        CegarLoopResult]: For program point  L110-2(lines 110 118)  no Hoare annotation was computed.
[2020-08-18 15:16:04,481 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 102 124)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 102 124)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 102 124)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__1ENTRY(lines 748 755)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1FINAL(lines 748 755)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1EXIT(lines 748 755)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  L386-1(line 386)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  L351(lines 351 392)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 305 407)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  L370(line 370)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  L370-1(line 370)  no Hoare annotation was computed.
[2020-08-18 15:16:04,482 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 333)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L393(lines 393 404)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 305 407)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L356(lines 356 360)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L354-2(lines 354 374)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L375(lines 353 376)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 305 407)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L334(lines 334 350)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 401)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L355(lines 354 374)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  L386(line 386)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 505 514)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 505 514)  no Hoare annotation was computed.
[2020-08-18 15:16:04,483 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 505 514)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|))
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  L668(line 668)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 657 673)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  L668-1(lines 657 673)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 657 673)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  L664(lines 664 670)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  L662(line 662)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  L662-1(line 662)  no Hoare annotation was computed.
[2020-08-18 15:16:04,484 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 125 133)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 125 133)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 125 133)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 81 92)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 81 92)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  L85-1(lines 81 92)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 93 101)  the Hoare annotation is:  true
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 93 101)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 93 101)  no Hoare annotation was computed.
[2020-08-18 15:16:04,485 INFO  L264        CegarLoopResult]: At program point  L630(line 630)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)))
[2020-08-18 15:16:04,486 INFO  L264        CegarLoopResult]: At program point  L628(lines 628 634)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)))
[2020-08-18 15:16:04,486 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 617 640)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 15:16:04,486 INFO  L264        CegarLoopResult]: At program point  L623(line 623)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 15:16:04,486 INFO  L268        CegarLoopResult]: For program point  L621(lines 620 639)  no Hoare annotation was computed.
[2020-08-18 15:16:04,486 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 617 640)  no Hoare annotation was computed.
[2020-08-18 15:16:04,486 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 617 640)  no Hoare annotation was computed.
[2020-08-18 15:16:04,486 INFO  L268        CegarLoopResult]: For program point  L801(lines 801 805)  no Hoare annotation was computed.
[2020-08-18 15:16:04,486 INFO  L271        CegarLoopResult]: At program point  L801-1(lines 801 805)  the Hoare annotation is:  true
[2020-08-18 15:16:04,486 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 787 816)  no Hoare annotation was computed.
[2020-08-18 15:16:04,486 INFO  L268        CegarLoopResult]: For program point  L798(line 798)  no Hoare annotation was computed.
[2020-08-18 15:16:04,487 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 787 816)  the Hoare annotation is:  true
[2020-08-18 15:16:04,487 INFO  L271        CegarLoopResult]: At program point  L797-2(lines 797 811)  the Hoare annotation is:  true
[2020-08-18 15:16:04,487 INFO  L271        CegarLoopResult]: At program point  L793(line 793)  the Hoare annotation is:  true
[2020-08-18 15:16:04,487 INFO  L268        CegarLoopResult]: For program point  L793-1(line 793)  no Hoare annotation was computed.
[2020-08-18 15:16:04,487 INFO  L271        CegarLoopResult]: At program point  L812(lines 787 816)  the Hoare annotation is:  true
[2020-08-18 15:16:04,487 INFO  L268        CegarLoopResult]: For program point  L808(line 808)  no Hoare annotation was computed.
[2020-08-18 15:16:04,487 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 57 68)  the Hoare annotation is:  true
[2020-08-18 15:16:04,487 INFO  L268        CegarLoopResult]: For program point  L61-1(lines 57 68)  no Hoare annotation was computed.
[2020-08-18 15:16:04,488 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 57 68)  no Hoare annotation was computed.
[2020-08-18 15:16:04,488 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 841 847)  no Hoare annotation was computed.
[2020-08-18 15:16:04,488 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 841 847)  the Hoare annotation is:  true
[2020-08-18 15:16:04,488 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 15:16:04,488 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))
[2020-08-18 15:16:04,488 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-18 15:16:04,488 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 15:16:04,489 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 738 745)  no Hoare annotation was computed.
[2020-08-18 15:16:04,489 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 738 745)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0))
[2020-08-18 15:16:04,489 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 738 745)  no Hoare annotation was computed.
[2020-08-18 15:16:04,489 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 69 80)  no Hoare annotation was computed.
[2020-08-18 15:16:04,489 INFO  L268        CegarLoopResult]: For program point  L73-1(lines 69 80)  no Hoare annotation was computed.
[2020-08-18 15:16:04,489 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 69 80)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 15:16:04,489 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 40 47)  no Hoare annotation was computed.
[2020-08-18 15:16:04,489 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44)  no Hoare annotation was computed.
[2020-08-18 15:16:04,490 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 40 47)  the Hoare annotation is:  true
[2020-08-18 15:16:04,490 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 40 47)  no Hoare annotation was computed.
[2020-08-18 15:16:04,506 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:16:04 BoogieIcfgContainer
[2020-08-18 15:16:04,506 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 15:16:04,508 INFO  L168              Benchmark]: Toolchain (without parser) took 19470.74 ms. Allocated memory was 141.0 MB in the beginning and 567.8 MB in the end (delta: 426.8 MB). Free memory was 102.8 MB in the beginning and 332.7 MB in the end (delta: -229.9 MB). Peak memory consumption was 409.5 MB. Max. memory is 7.1 GB.
[2020-08-18 15:16:04,508 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-18 15:16:04,509 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 600.88 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 174.6 MB in the end (delta: -72.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB.
[2020-08-18 15:16:04,510 INFO  L168              Benchmark]: Boogie Preprocessor took 82.21 ms. Allocated memory is still 204.5 MB. Free memory was 174.6 MB in the beginning and 170.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-08-18 15:16:04,511 INFO  L168              Benchmark]: RCFGBuilder took 1058.98 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 170.5 MB in the beginning and 199.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB.
[2020-08-18 15:16:04,512 INFO  L168              Benchmark]: TraceAbstraction took 17722.43 ms. Allocated memory was 235.4 MB in the beginning and 567.8 MB in the end (delta: 332.4 MB). Free memory was 199.3 MB in the beginning and 332.7 MB in the end (delta: -133.4 MB). Peak memory consumption was 411.6 MB. Max. memory is 7.1 GB.
[2020-08-18 15:16:04,516 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 600.88 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 174.6 MB in the end (delta: -72.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 82.21 ms. Allocated memory is still 204.5 MB. Free memory was 174.6 MB in the beginning and 170.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1058.98 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 170.5 MB in the beginning and 199.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 17722.43 ms. Allocated memory was 235.4 MB in the beginning and 567.8 MB in the end (delta: 332.4 MB). Free memory was 199.3 MB in the beginning and 332.7 MB in the end (delta: -133.4 MB). Peak memory consumption was 411.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 797]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 787]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 551]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 552]: Loop Invariant
    Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 523 SDslu, 363 SDs, 0 SdLazy, 1443 SolverSat, 378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 127 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 188 PreInvPairs, 226 NumberOfFragments, 727 HoareAnnotationTreeSize, 188 FomulaSimplifications, 82151 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 44 FomulaSimplificationsInter, 8400 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 81357 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...