/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 21:39:48,305 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 21:39:48,308 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 21:39:48,348 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 21:39:48,348 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 21:39:48,357 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 21:39:48,359 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 21:39:48,362 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 21:39:48,365 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 21:39:48,369 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 21:39:48,370 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 21:39:48,371 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 21:39:48,371 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 21:39:48,373 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 21:39:48,376 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 21:39:48,377 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 21:39:48,379 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 21:39:48,380 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 21:39:48,381 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 21:39:48,389 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 21:39:48,391 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 21:39:48,392 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 21:39:48,393 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 21:39:48,394 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 21:39:48,412 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 21:39:48,412 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 21:39:48,412 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 21:39:48,413 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 21:39:48,414 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 21:39:48,414 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 21:39:48,415 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 21:39:48,418 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 21:39:48,418 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 21:39:48,419 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 21:39:48,423 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 21:39:48,423 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 21:39:48,424 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 21:39:48,424 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 21:39:48,425 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 21:39:48,426 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 21:39:48,427 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 21:39:48,428 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 21:39:48,465 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 21:39:48,465 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 21:39:48,467 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 21:39:48,467 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 21:39:48,467 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 21:39:48,468 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 21:39:48,468 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 21:39:48,468 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 21:39:48,468 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 21:39:48,469 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 21:39:48,470 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 21:39:48,470 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 21:39:48,470 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 21:39:48,471 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 21:39:48,471 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 21:39:48,471 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 21:39:48,471 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 21:39:48,472 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 21:39:48,472 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 21:39:48,472 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 21:39:48,472 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 21:39:48,473 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 21:39:48,473 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 21:39:48,473 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 21:39:48,473 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 21:39:48,473 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 21:39:48,474 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 21:39:48,474 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 21:39:48,474 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 21:39:48,474 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST;
[2020-08-18 21:39:48,783 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 21:39:48,798 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 21:39:48,801 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 21:39:48,803 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 21:39:48,803 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 21:39:48,804 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c
[2020-08-18 21:39:48,855 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01cc8e7df/c85ca195528b4a8bbd12751a6927306f/FLAGf72f1c196
[2020-08-18 21:39:49,369 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 21:39:49,370 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c
[2020-08-18 21:39:49,385 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01cc8e7df/c85ca195528b4a8bbd12751a6927306f/FLAGf72f1c196
[2020-08-18 21:39:49,684 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01cc8e7df/c85ca195528b4a8bbd12751a6927306f
[2020-08-18 21:39:49,693 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 21:39:49,694 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 21:39:49,695 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 21:39:49,696 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 21:39:49,699 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 21:39:49,700 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:39:49" (1/1) ...
[2020-08-18 21:39:49,703 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697fd79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:49, skipping insertion in model container
[2020-08-18 21:39:49,704 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:39:49" (1/1) ...
[2020-08-18 21:39:49,711 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 21:39:49,756 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 21:39:50,155 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 21:39:50,168 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 21:39:50,343 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 21:39:50,380 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 21:39:50,381 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50 WrapperNode
[2020-08-18 21:39:50,381 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 21:39:50,382 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 21:39:50,382 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 21:39:50,382 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 21:39:50,395 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ...
[2020-08-18 21:39:50,395 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ...
[2020-08-18 21:39:50,413 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ...
[2020-08-18 21:39:50,414 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ...
[2020-08-18 21:39:50,443 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ...
[2020-08-18 21:39:50,453 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ...
[2020-08-18 21:39:50,459 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (1/1) ...
[2020-08-18 21:39:50,466 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 21:39:50,467 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 21:39:50,467 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 21:39:50,467 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 21:39:50,468 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (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 21:39:50,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 21:39:50,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 21:39:50,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-18 21:39:50,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-18 21:39:50,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-18 21:39:50,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-18 21:39:50,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-18 21:39:50,561 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-18 21:39:50,561 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-18 21:39:50,561 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-18 21:39:50,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-18 21:39:50,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-18 21:39:50,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-18 21:39:50,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-18 21:39:50,563 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-18 21:39:50,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-18 21:39:50,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-18 21:39:50,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-18 21:39:50,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-18 21:39:50,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-18 21:39:50,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-18 21:39:50,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-18 21:39:50,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-18 21:39:50,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 21:39:50,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-18 21:39:50,566 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-18 21:39:50,566 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-08-18 21:39:50,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-18 21:39:50,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-18 21:39:50,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-18 21:39:50,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-18 21:39:50,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-18 21:39:50,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-18 21:39:50,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-18 21:39:50,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-18 21:39:50,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-18 21:39:50,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-18 21:39:50,569 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 21:39:50,569 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 21:39:50,569 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 21:39:50,569 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-18 21:39:50,569 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-18 21:39:50,570 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-18 21:39:50,570 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-18 21:39:50,571 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-18 21:39:50,571 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-18 21:39:50,571 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 21:39:50,572 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-18 21:39:50,572 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 21:39:50,572 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 21:39:50,572 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-18 21:39:50,572 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 21:39:50,572 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-18 21:39:50,572 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 21:39:50,573 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-18 21:39:50,573 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-18 21:39:50,573 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 21:39:50,573 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-18 21:39:50,574 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-18 21:39:50,574 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 21:39:50,574 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-18 21:39:50,574 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-18 21:39:50,574 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-18 21:39:50,574 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-18 21:39:50,574 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-18 21:39:50,575 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-18 21:39:50,575 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-18 21:39:50,575 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-18 21:39:50,575 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-18 21:39:50,575 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-18 21:39:50,575 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-18 21:39:50,576 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-18 21:39:50,576 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-18 21:39:50,577 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-18 21:39:50,577 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 21:39:50,577 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-18 21:39:50,578 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-18 21:39:50,579 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-18 21:39:50,579 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-18 21:39:50,579 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-18 21:39:50,579 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-18 21:39:50,579 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-08-18 21:39:50,580 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-18 21:39:50,580 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-18 21:39:50,580 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-18 21:39:50,580 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 21:39:50,580 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 21:39:50,581 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 21:39:51,684 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 21:39:51,684 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-18 21:39:51,694 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:39:51 BoogieIcfgContainer
[2020-08-18 21:39:51,694 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 21:39:51,696 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 21:39:51,696 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 21:39:51,699 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 21:39:51,700 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:39:49" (1/3) ...
[2020-08-18 21:39:51,701 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a22ca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:39:51, skipping insertion in model container
[2020-08-18 21:39:51,701 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:39:50" (2/3) ...
[2020-08-18 21:39:51,702 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a22ca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:39:51, skipping insertion in model container
[2020-08-18 21:39:51,702 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:39:51" (3/3) ...
[2020-08-18 21:39:51,704 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c
[2020-08-18 21:39:51,715 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 21:39:51,725 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 21:39:51,740 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 21:39:51,774 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 21:39:51,774 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 21:39:51,774 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 21:39:51,775 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 21:39:51,775 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 21:39:51,775 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 21:39:51,775 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 21:39:51,775 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 21:39:51,798 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states.
[2020-08-18 21:39:51,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-18 21:39:51,808 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 21:39:51,809 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 21:39:51,810 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 21:39:51,816 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 21:39:51,818 INFO  L82        PathProgramCache]: Analyzing trace with hash -537699629, now seen corresponding path program 1 times
[2020-08-18 21:39:51,827 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 21:39:51,828 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501928878]
[2020-08-18 21:39:51,828 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 21:39:52,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,576 WARN  L193               SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 21:39:52,578 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 21:39:52,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,650 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 21:39:52,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,654 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 21:39:52,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,657 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 21:39:52,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,661 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 21:39:52,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,663 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-18 21:39:52,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,666 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 21:39:52,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:52,679 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 21:39:52,680 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501928878]
[2020-08-18 21:39:52,683 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 21:39:52,683 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-18 21:39:52,684 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255283155]
[2020-08-18 21:39:52,690 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-18 21:39:52,691 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 21:39:52,705 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-18 21:39:52,706 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 21:39:52,709 INFO  L87              Difference]: Start difference. First operand 154 states. Second operand 3 states.
[2020-08-18 21:39:53,749 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 21:39:53,749 INFO  L93              Difference]: Finished difference Result 246 states and 327 transitions.
[2020-08-18 21:39:53,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-18 21:39:53,751 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-18 21:39:53,752 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 21:39:53,766 INFO  L225             Difference]: With dead ends: 246
[2020-08-18 21:39:53,767 INFO  L226             Difference]: Without dead ends: 134
[2020-08-18 21:39:53,772 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 21:39:53,794 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2020-08-18 21:39:53,886 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 103.
[2020-08-18 21:39:53,888 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 103 states.
[2020-08-18 21:39:53,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions.
[2020-08-18 21:39:53,899 INFO  L78                 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46
[2020-08-18 21:39:53,900 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 21:39:53,900 INFO  L479      AbstractCegarLoop]: Abstraction has 103 states and 120 transitions.
[2020-08-18 21:39:53,900 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-18 21:39:53,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions.
[2020-08-18 21:39:53,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-18 21:39:53,906 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 21:39:53,906 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 21:39:53,907 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 21:39:53,907 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 21:39:53,907 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 21:39:53,907 INFO  L82        PathProgramCache]: Analyzing trace with hash -457090641, now seen corresponding path program 1 times
[2020-08-18 21:39:53,908 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 21:39:53,908 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115917657]
[2020-08-18 21:39:53,909 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 21:39:53,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,255 WARN  L193               SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 21:39:54,257 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 21:39:54,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,281 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 21:39:54,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,283 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 21:39:54,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,285 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 21:39:54,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,287 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 21:39:54,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,289 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-18 21:39:54,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,291 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-18 21:39:54,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:54,298 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 21:39:54,298 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115917657]
[2020-08-18 21:39:54,299 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 21:39:54,299 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-18 21:39:54,299 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662662884]
[2020-08-18 21:39:54,301 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 21:39:54,301 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 21:39:54,302 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 21:39:54,302 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-18 21:39:54,302 INFO  L87              Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 4 states.
[2020-08-18 21:39:54,726 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 21:39:55,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 21:39:55,383 INFO  L93              Difference]: Finished difference Result 175 states and 214 transitions.
[2020-08-18 21:39:55,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-18 21:39:55,385 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-18 21:39:55,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 21:39:55,387 INFO  L225             Difference]: With dead ends: 175
[2020-08-18 21:39:55,388 INFO  L226             Difference]: Without dead ends: 118
[2020-08-18 21:39:55,391 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-18 21:39:55,392 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2020-08-18 21:39:55,427 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94.
[2020-08-18 21:39:55,427 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 94 states.
[2020-08-18 21:39:55,428 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions.
[2020-08-18 21:39:55,428 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47
[2020-08-18 21:39:55,428 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 21:39:55,428 INFO  L479      AbstractCegarLoop]: Abstraction has 94 states and 108 transitions.
[2020-08-18 21:39:55,429 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 21:39:55,429 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions.
[2020-08-18 21:39:55,430 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-18 21:39:55,431 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 21:39:55,431 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 21:39:55,431 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 21:39:55,431 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 21:39:55,432 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 21:39:55,432 INFO  L82        PathProgramCache]: Analyzing trace with hash 333200884, now seen corresponding path program 1 times
[2020-08-18 21:39:55,432 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 21:39:55,432 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554203449]
[2020-08-18 21:39:55,433 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 21:39:55,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,749 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 21:39:55,752 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 21:39:55,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,790 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 21:39:55,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,793 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 21:39:55,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,795 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 21:39:55,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,819 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 21:39:55,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,822 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 21:39:55,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,823 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-18 21:39:55,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:55,831 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 21:39:55,832 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554203449]
[2020-08-18 21:39:55,832 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 21:39:55,832 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 21:39:55,833 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196559538]
[2020-08-18 21:39:55,833 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 21:39:55,833 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 21:39:55,834 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 21:39:55,834 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 21:39:55,834 INFO  L87              Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 8 states.
[2020-08-18 21:39:56,219 WARN  L193               SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 21:39:56,512 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:39:56,770 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:39:57,027 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:39:57,908 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 21:39:57,908 INFO  L93              Difference]: Finished difference Result 188 states and 232 transitions.
[2020-08-18 21:39:57,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-08-18 21:39:57,912 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 52
[2020-08-18 21:39:57,912 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 21:39:57,914 INFO  L225             Difference]: With dead ends: 188
[2020-08-18 21:39:57,914 INFO  L226             Difference]: Without dead ends: 118
[2020-08-18 21:39:57,915 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-08-18 21:39:57,916 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2020-08-18 21:39:57,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94.
[2020-08-18 21:39:57,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 94 states.
[2020-08-18 21:39:57,947 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions.
[2020-08-18 21:39:57,947 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52
[2020-08-18 21:39:57,948 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 21:39:57,948 INFO  L479      AbstractCegarLoop]: Abstraction has 94 states and 107 transitions.
[2020-08-18 21:39:57,948 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 21:39:57,948 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions.
[2020-08-18 21:39:57,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-08-18 21:39:57,950 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 21:39:57,950 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 21:39:57,950 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 21:39:57,951 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 21:39:57,951 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 21:39:57,951 INFO  L82        PathProgramCache]: Analyzing trace with hash 1103427225, now seen corresponding path program 1 times
[2020-08-18 21:39:57,951 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 21:39:57,952 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662782414]
[2020-08-18 21:39:57,952 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 21:39:57,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,215 WARN  L193               SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 21:39:58,217 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 21:39:58,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,246 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 21:39:58,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,248 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 21:39:58,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,250 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 21:39:58,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,252 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 21:39:58,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,269 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-08-18 21:39:58,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,272 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-18 21:39:58,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,273 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2020-08-18 21:39:58,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,292 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2020-08-18 21:39:58,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:39:58,304 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 21:39:58,305 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662782414]
[2020-08-18 21:39:58,305 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 21:39:58,306 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 21:39:58,306 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62337377]
[2020-08-18 21:39:58,306 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 21:39:58,307 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 21:39:58,307 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 21:39:58,308 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 21:39:58,308 INFO  L87              Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 8 states.
[2020-08-18 21:39:58,688 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 21:39:59,565 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:39:59,873 WARN  L193               SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 21:40:00,382 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:40:00,622 WARN  L193               SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:40:00,973 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 21:40:01,475 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 21:40:01,476 INFO  L93              Difference]: Finished difference Result 294 states and 387 transitions.
[2020-08-18 21:40:01,476 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-08-18 21:40:01,477 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 60
[2020-08-18 21:40:01,478 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 21:40:01,481 INFO  L225             Difference]: With dead ends: 294
[2020-08-18 21:40:01,481 INFO  L226             Difference]: Without dead ends: 224
[2020-08-18 21:40:01,483 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2020-08-18 21:40:01,483 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 224 states.
[2020-08-18 21:40:01,526 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 155.
[2020-08-18 21:40:01,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 155 states.
[2020-08-18 21:40:01,527 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions.
[2020-08-18 21:40:01,528 INFO  L78                 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 60
[2020-08-18 21:40:01,528 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 21:40:01,528 INFO  L479      AbstractCegarLoop]: Abstraction has 155 states and 180 transitions.
[2020-08-18 21:40:01,528 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 21:40:01,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions.
[2020-08-18 21:40:01,530 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-08-18 21:40:01,530 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 21:40:01,531 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 21:40:01,531 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 21:40:01,531 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 21:40:01,531 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 21:40:01,531 INFO  L82        PathProgramCache]: Analyzing trace with hash -1952098603, now seen corresponding path program 1 times
[2020-08-18 21:40:01,532 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 21:40:01,532 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042005481]
[2020-08-18 21:40:01,532 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 21:40:01,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,803 WARN  L193               SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 21:40:01,804 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 21:40:01,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,834 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 21:40:01,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,836 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 21:40:01,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,837 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 21:40:01,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,840 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 21:40:01,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,848 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-08-18 21:40:01,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,884 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-08-18 21:40:01,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,888 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-18 21:40:01,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,891 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2020-08-18 21:40:01,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,893 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2020-08-18 21:40:01,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 21:40:01,913 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 21:40:01,913 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042005481]
[2020-08-18 21:40:01,913 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 21:40:01,913 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-18 21:40:01,914 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911109482]
[2020-08-18 21:40:01,914 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-18 21:40:01,914 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 21:40:01,915 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-18 21:40:01,915 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-18 21:40:01,915 INFO  L87              Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 9 states.
[2020-08-18 21:40:02,296 WARN  L193               SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 21:40:03,160 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:40:03,424 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:40:03,664 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 21:40:03,856 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 21:40:03,856 INFO  L93              Difference]: Finished difference Result 281 states and 348 transitions.
[2020-08-18 21:40:03,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-18 21:40:03,857 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 64
[2020-08-18 21:40:03,857 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 21:40:03,857 INFO  L225             Difference]: With dead ends: 281
[2020-08-18 21:40:03,858 INFO  L226             Difference]: Without dead ends: 0
[2020-08-18 21:40:03,861 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210
[2020-08-18 21:40:03,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-18 21:40:03,861 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-18 21:40:03,861 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-18 21:40:03,861 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-18 21:40:03,862 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64
[2020-08-18 21:40:03,862 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 21:40:03,862 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-18 21:40:03,862 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-18 21:40:03,862 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-18 21:40:03,863 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-18 21:40:03,863 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 21:40:03,865 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-18 21:40:05,781 WARN  L193               SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11
[2020-08-18 21:40:05,940 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 21:40:06,110 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-18 21:40:06,273 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-18 21:40:06,677 WARN  L193               SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15
[2020-08-18 21:40:06,888 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-18 21:40:07,230 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11
[2020-08-18 21:40:07,533 WARN  L193               SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11
[2020-08-18 21:40:07,728 WARN  L193               SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 21:40:08,044 WARN  L193               SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15
[2020-08-18 21:40:08,371 WARN  L193               SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12
[2020-08-18 21:40:08,553 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 21:40:08,851 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12
[2020-08-18 21:40:09,209 WARN  L193               SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15
[2020-08-18 21:40:09,374 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 21:40:09,541 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 21:40:09,707 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 21:40:09,871 WARN  L193               SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-18 21:40:10,037 WARN  L193               SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 21:40:10,239 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-18 21:40:10,495 WARN  L193               SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1
[2020-08-18 21:40:10,499 INFO  L268        CegarLoopResult]: For program point  L225(lines 202 226)  no Hoare annotation was computed.
[2020-08-18 21:40:10,499 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 178 233)  no Hoare annotation was computed.
[2020-08-18 21:40:10,499 INFO  L268        CegarLoopResult]: For program point  L209(lines 209 213)  no Hoare annotation was computed.
[2020-08-18 21:40:10,500 INFO  L268        CegarLoopResult]: For program point  L209-1(lines 209 213)  no Hoare annotation was computed.
[2020-08-18 21:40:10,500 INFO  L268        CegarLoopResult]: For program point  L204(line 204)  no Hoare annotation was computed.
[2020-08-18 21:40:10,500 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 224)  no Hoare annotation was computed.
[2020-08-18 21:40:10,500 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 178 233)  no Hoare annotation was computed.
[2020-08-18 21:40:10,500 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 178 233)  no Hoare annotation was computed.
[2020-08-18 21:40:10,500 INFO  L268        CegarLoopResult]: For program point  L286(lines 259 287)  no Hoare annotation was computed.
[2020-08-18 21:40:10,501 INFO  L268        CegarLoopResult]: For program point  L279(line 279)  no Hoare annotation was computed.
[2020-08-18 21:40:10,501 INFO  L268        CegarLoopResult]: For program point  L279-1(line 279)  no Hoare annotation was computed.
[2020-08-18 21:40:10,501 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 234 293)  no Hoare annotation was computed.
[2020-08-18 21:40:10,501 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 234 293)  no Hoare annotation was computed.
[2020-08-18 21:40:10,501 INFO  L268        CegarLoopResult]: For program point  L266(lines 266 270)  no Hoare annotation was computed.
[2020-08-18 21:40:10,502 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 234 293)  no Hoare annotation was computed.
[2020-08-18 21:40:10,502 INFO  L268        CegarLoopResult]: For program point  L266-1(lines 266 270)  no Hoare annotation was computed.
[2020-08-18 21:40:10,502 INFO  L268        CegarLoopResult]: For program point  L261(line 261)  no Hoare annotation was computed.
[2020-08-18 21:40:10,502 INFO  L268        CegarLoopResult]: For program point  L260-2(lines 260 285)  no Hoare annotation was computed.
[2020-08-18 21:40:10,502 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 513 519)  the Hoare annotation is:  true
[2020-08-18 21:40:10,503 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 513 519)  no Hoare annotation was computed.
[2020-08-18 21:40:10,503 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 520 528)  no Hoare annotation was computed.
[2020-08-18 21:40:10,503 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 520 528)  the Hoare annotation is:  true
[2020-08-18 21:40:10,503 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 520 528)  no Hoare annotation was computed.
[2020-08-18 21:40:10,503 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 605 627)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,503 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 605 627)  no Hoare annotation was computed.
[2020-08-18 21:40:10,503 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 605 627)  no Hoare annotation was computed.
[2020-08-18 21:40:10,503 INFO  L264        CegarLoopResult]: At program point  L617(line 617)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,504 INFO  L264        CegarLoopResult]: At program point  L617-1(line 617)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,504 INFO  L268        CegarLoopResult]: For program point  L615(lines 615 622)  no Hoare annotation was computed.
[2020-08-18 21:40:10,504 INFO  L268        CegarLoopResult]: For program point  L615-1(lines 615 622)  no Hoare annotation was computed.
[2020-08-18 21:40:10,504 INFO  L268        CegarLoopResult]: For program point  L613(line 613)  no Hoare annotation was computed.
[2020-08-18 21:40:10,504 INFO  L264        CegarLoopResult]: At program point  L612(line 612)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,505 INFO  L264        CegarLoopResult]: At program point  L611(line 611)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,505 INFO  L264        CegarLoopResult]: At program point  L611-1(line 611)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,505 INFO  L268        CegarLoopResult]: For program point  L577(line 577)  no Hoare annotation was computed.
[2020-08-18 21:40:10,505 INFO  L268        CegarLoopResult]: For program point  L576(line 576)  no Hoare annotation was computed.
[2020-08-18 21:40:10,505 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 563 586)  no Hoare annotation was computed.
[2020-08-18 21:40:10,505 INFO  L268        CegarLoopResult]: For program point  L575(line 575)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  L574(line 574)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  L573(line 573)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 563 586)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  L572(line 572)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 563 586)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  L571(line 571)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  L570(line 570)  no Hoare annotation was computed.
[2020-08-18 21:40:10,506 INFO  L268        CegarLoopResult]: For program point  L569(line 569)  no Hoare annotation was computed.
[2020-08-18 21:40:10,507 INFO  L268        CegarLoopResult]: For program point  L568(line 568)  no Hoare annotation was computed.
[2020-08-18 21:40:10,507 INFO  L268        CegarLoopResult]: For program point  L581(line 581)  no Hoare annotation was computed.
[2020-08-18 21:40:10,507 INFO  L268        CegarLoopResult]: For program point  L580(line 580)  no Hoare annotation was computed.
[2020-08-18 21:40:10,507 INFO  L268        CegarLoopResult]: For program point  L579(line 579)  no Hoare annotation was computed.
[2020-08-18 21:40:10,507 INFO  L268        CegarLoopResult]: For program point  L578(line 578)  no Hoare annotation was computed.
[2020-08-18 21:40:10,507 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__methaneQueryEXIT(lines 728 734)  no Hoare annotation was computed.
[2020-08-18 21:40:10,507 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__methaneQueryFINAL(lines 728 734)  the Hoare annotation is:  true
[2020-08-18 21:40:10,507 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseEXIT(lines 761 768)  no Hoare annotation was computed.
[2020-08-18 21:40:10,508 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseENTRY(lines 761 768)  no Hoare annotation was computed.
[2020-08-18 21:40:10,508 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseFINAL(lines 761 768)  no Hoare annotation was computed.
[2020-08-18 21:40:10,508 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 805 813)  no Hoare annotation was computed.
[2020-08-18 21:40:10,508 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 805 813)  the Hoare annotation is:  true
[2020-08-18 21:40:10,508 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 805 813)  no Hoare annotation was computed.
[2020-08-18 21:40:10,508 INFO  L268        CegarLoopResult]: For program point  L833(lines 833 841)  no Hoare annotation was computed.
[2020-08-18 21:40:10,508 INFO  L268        CegarLoopResult]: For program point  L833-2(lines 833 841)  no Hoare annotation was computed.
[2020-08-18 21:40:10,508 INFO  L268        CegarLoopResult]: For program point  L821(lines 821 829)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  L821-2(lines 821 829)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 814 849)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  L844(line 844)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  L844-1(line 844)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 814 849)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 814 849)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 506 512)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 506 512)  the Hoare annotation is:  true
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 132 177)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 132 177)  no Hoare annotation was computed.
[2020-08-18 21:40:10,509 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 132 177)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 445 490)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  L465(lines 465 472)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  L459(lines 459 479)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 445 490)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  L459-1(lines 459 479)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 445 490)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 595 604)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 595 604)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 595 604)  no Hoare annotation was computed.
[2020-08-18 21:40:10,510 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 794 804)  the Hoare annotation is:  true
[2020-08-18 21:40:10,511 INFO  L271        CegarLoopResult]: At program point  L799(line 799)  the Hoare annotation is:  true
[2020-08-18 21:40:10,511 INFO  L268        CegarLoopResult]: For program point  L799-1(line 799)  no Hoare annotation was computed.
[2020-08-18 21:40:10,511 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 794 804)  no Hoare annotation was computed.
[2020-08-18 21:40:10,511 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 794 804)  no Hoare annotation was computed.
[2020-08-18 21:40:10,511 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 786 793)  the Hoare annotation is:  true
[2020-08-18 21:40:10,511 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 786 793)  no Hoare annotation was computed.
[2020-08-18 21:40:10,511 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 786 793)  no Hoare annotation was computed.
[2020-08-18 21:40:10,511 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 736 760)  no Hoare annotation was computed.
[2020-08-18 21:40:10,511 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 736 760)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,511 INFO  L264        CegarLoopResult]: At program point  L755(line 755)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,511 INFO  L268        CegarLoopResult]: For program point  L755-1(lines 736 760)  no Hoare annotation was computed.
[2020-08-18 21:40:10,512 INFO  L264        CegarLoopResult]: At program point  L750(line 750)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,512 INFO  L264        CegarLoopResult]: At program point  L746(line 746)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,512 INFO  L268        CegarLoopResult]: For program point  L744(lines 744 752)  no Hoare annotation was computed.
[2020-08-18 21:40:10,512 INFO  L264        CegarLoopResult]: At program point  L742(line 742)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,512 INFO  L268        CegarLoopResult]: For program point  L742-1(line 742)  no Hoare annotation was computed.
[2020-08-18 21:40:10,512 INFO  L268        CegarLoopResult]: For program point  L740(lines 740 757)  no Hoare annotation was computed.
[2020-08-18 21:40:10,512 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 630 695)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,513 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 630 695)  no Hoare annotation was computed.
[2020-08-18 21:40:10,513 INFO  L264        CegarLoopResult]: At program point  L688(lines 639 689)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,513 INFO  L268        CegarLoopResult]: For program point  L678(lines 678 682)  no Hoare annotation was computed.
[2020-08-18 21:40:10,513 INFO  L264        CegarLoopResult]: At program point  L678-2(lines 670 683)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,513 INFO  L268        CegarLoopResult]: For program point  L641(lines 640 687)  no Hoare annotation was computed.
[2020-08-18 21:40:10,513 INFO  L264        CegarLoopResult]: At program point  L672(line 672)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,514 INFO  L268        CegarLoopResult]: For program point  L670(lines 670 683)  no Hoare annotation was computed.
[2020-08-18 21:40:10,514 INFO  L264        CegarLoopResult]: At program point  L662(line 662)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,514 INFO  L268        CegarLoopResult]: For program point  L660(lines 660 666)  no Hoare annotation was computed.
[2020-08-18 21:40:10,514 INFO  L268        CegarLoopResult]: For program point  L660-1(lines 660 666)  no Hoare annotation was computed.
[2020-08-18 21:40:10,514 INFO  L264        CegarLoopResult]: At program point  L685(lines 640 687)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,514 INFO  L264        CegarLoopResult]: At program point  L652(line 652)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  L650(lines 650 656)  no Hoare annotation was computed.
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  L650-1(lines 650 656)  no Hoare annotation was computed.
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 630 695)  no Hoare annotation was computed.
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  L642(lines 642 646)  no Hoare annotation was computed.
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  L413(lines 413 433)  no Hoare annotation was computed.
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  L413-1(lines 413 433)  no Hoare annotation was computed.
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 399 444)  no Hoare annotation was computed.
[2020-08-18 21:40:10,515 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 399 444)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 399 444)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  L419(lines 419 426)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 93 115)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 93 115)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  L101(lines 101 109)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 93 115)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  L101-2(lines 101 109)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 324)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  L384(lines 384 395)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 296 398)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  L347(lines 347 351)  no Hoare annotation was computed.
[2020-08-18 21:40:10,516 INFO  L268        CegarLoopResult]: For program point  L345-2(lines 345 365)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L366(lines 344 367)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 296 398)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L325(lines 325 341)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L385(lines 385 392)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L346(lines 345 365)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L377(line 377)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L377-1(line 377)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L342(lines 342 383)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 296 398)  no Hoare annotation was computed.
[2020-08-18 21:40:10,517 INFO  L268        CegarLoopResult]: For program point  L361(line 361)  no Hoare annotation was computed.
[2020-08-18 21:40:10,518 INFO  L268        CegarLoopResult]: For program point  L361-1(line 361)  no Hoare annotation was computed.
[2020-08-18 21:40:10,518 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 496 505)  no Hoare annotation was computed.
[2020-08-18 21:40:10,518 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 496 505)  no Hoare annotation was computed.
[2020-08-18 21:40:10,518 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 496 505)  no Hoare annotation was computed.
[2020-08-18 21:40:10,518 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 21:40:10,518 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~string69.base| |old(#t~string69.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)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~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)|) (= |#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)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~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 21:40:10,518 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 21:40:10,518 INFO  L268        CegarLoopResult]: For program point  L780(line 780)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 769 785)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  L780-1(lines 769 785)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 769 785)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  L776(lines 776 782)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  L774(line 774)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  L774-1(line 774)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 116 124)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 116 124)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 116 124)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 72 83)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  L76-1(lines 72 83)  no Hoare annotation was computed.
[2020-08-18 21:40:10,519 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 72 83)  no Hoare annotation was computed.
[2020-08-18 21:40:10,520 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 21:40:10,520 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-18 21:40:10,520 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 21:40:10,520 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 84 92)  the Hoare annotation is:  true
[2020-08-18 21:40:10,520 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 84 92)  no Hoare annotation was computed.
[2020-08-18 21:40:10,520 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 84 92)  no Hoare annotation was computed.
[2020-08-18 21:40:10,520 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 704 727)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,520 INFO  L264        CegarLoopResult]: At program point  L717(line 717)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,521 INFO  L264        CegarLoopResult]: At program point  L715(lines 715 721)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,521 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 704 727)  no Hoare annotation was computed.
[2020-08-18 21:40:10,521 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 704 727)  no Hoare annotation was computed.
[2020-08-18 21:40:10,521 INFO  L264        CegarLoopResult]: At program point  L710(line 710)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 21:40:10,521 INFO  L268        CegarLoopResult]: For program point  L708(lines 707 726)  no Hoare annotation was computed.
[2020-08-18 21:40:10,521 INFO  L271        CegarLoopResult]: At program point  L546-1(lines 546 550)  the Hoare annotation is:  true
[2020-08-18 21:40:10,521 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 532 561)  no Hoare annotation was computed.
[2020-08-18 21:40:10,522 INFO  L268        CegarLoopResult]: For program point  L543(line 543)  no Hoare annotation was computed.
[2020-08-18 21:40:10,522 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 532 561)  the Hoare annotation is:  true
[2020-08-18 21:40:10,522 INFO  L271        CegarLoopResult]: At program point  L542-2(lines 542 556)  the Hoare annotation is:  true
[2020-08-18 21:40:10,522 INFO  L271        CegarLoopResult]: At program point  L538(line 538)  the Hoare annotation is:  true
[2020-08-18 21:40:10,522 INFO  L268        CegarLoopResult]: For program point  L538-1(line 538)  no Hoare annotation was computed.
[2020-08-18 21:40:10,522 INFO  L271        CegarLoopResult]: At program point  L557(lines 532 561)  the Hoare annotation is:  true
[2020-08-18 21:40:10,522 INFO  L268        CegarLoopResult]: For program point  L553(line 553)  no Hoare annotation was computed.
[2020-08-18 21:40:10,522 INFO  L268        CegarLoopResult]: For program point  L546(lines 546 550)  no Hoare annotation was computed.
[2020-08-18 21:40:10,522 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 48 59)  the Hoare annotation is:  true
[2020-08-18 21:40:10,523 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 48 59)  no Hoare annotation was computed.
[2020-08-18 21:40:10,523 INFO  L268        CegarLoopResult]: For program point  L52-1(lines 48 59)  no Hoare annotation was computed.
[2020-08-18 21:40:10,523 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 587 593)  no Hoare annotation was computed.
[2020-08-18 21:40:10,523 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 587 593)  the Hoare annotation is:  true
[2020-08-18 21:40:10,523 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 21:40:10,523 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 21:40:10,523 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-18 21:40:10,523 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 21:40:10,524 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 850 857)  no Hoare annotation was computed.
[2020-08-18 21:40:10,524 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 850 857)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0))
[2020-08-18 21:40:10,524 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 850 857)  no Hoare annotation was computed.
[2020-08-18 21:40:10,524 INFO  L268        CegarLoopResult]: For program point  L64-1(lines 60 71)  no Hoare annotation was computed.
[2020-08-18 21:40:10,524 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 60 71)  no Hoare annotation was computed.
[2020-08-18 21:40:10,524 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 60 71)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 21:40:10,524 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 886 893)  no Hoare annotation was computed.
[2020-08-18 21:40:10,524 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890)  no Hoare annotation was computed.
[2020-08-18 21:40:10,525 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 886 893)  the Hoare annotation is:  true
[2020-08-18 21:40:10,525 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 886 893)  no Hoare annotation was computed.
[2020-08-18 21:40:10,525 INFO  L268        CegarLoopResult]: For program point  L866-1(line 866)  no Hoare annotation was computed.
[2020-08-18 21:40:10,525 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 860 884)  the Hoare annotation is:  true
[2020-08-18 21:40:10,525 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 860 884)  no Hoare annotation was computed.
[2020-08-18 21:40:10,525 INFO  L264        CegarLoopResult]: At program point  L874(line 874)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 21:40:10,525 INFO  L268        CegarLoopResult]: For program point  L872(lines 872 878)  no Hoare annotation was computed.
[2020-08-18 21:40:10,525 INFO  L264        CegarLoopResult]: At program point  L870(line 870)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 21:40:10,526 INFO  L268        CegarLoopResult]: For program point  L870-1(line 870)  no Hoare annotation was computed.
[2020-08-18 21:40:10,526 INFO  L268        CegarLoopResult]: For program point  L868(lines 868 881)  no Hoare annotation was computed.
[2020-08-18 21:40:10,526 INFO  L268        CegarLoopResult]: For program point  L868-1(lines 860 884)  no Hoare annotation was computed.
[2020-08-18 21:40:10,526 INFO  L271        CegarLoopResult]: At program point  L866(line 866)  the Hoare annotation is:  true
[2020-08-18 21:40:10,544 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:40:10 BoogieIcfgContainer
[2020-08-18 21:40:10,544 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 21:40:10,546 INFO  L168              Benchmark]: Toolchain (without parser) took 20851.50 ms. Allocated memory was 140.5 MB in the beginning and 550.0 MB in the end (delta: 409.5 MB). Free memory was 102.8 MB in the beginning and 100.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 428.2 MB. Max. memory is 7.1 GB.
[2020-08-18 21:40:10,547 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-18 21:40:10,548 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 685.98 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 171.5 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB.
[2020-08-18 21:40:10,549 INFO  L168              Benchmark]: Boogie Preprocessor took 84.92 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2020-08-18 21:40:10,550 INFO  L168              Benchmark]: RCFGBuilder took 1226.88 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.8 MB in the beginning and 196.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB.
[2020-08-18 21:40:10,551 INFO  L168              Benchmark]: TraceAbstraction took 18848.47 ms. Allocated memory was 235.4 MB in the beginning and 550.0 MB in the end (delta: 314.6 MB). Free memory was 195.0 MB in the beginning and 100.3 MB in the end (delta: 94.7 MB). Peak memory consumption was 425.6 MB. Max. memory is 7.1 GB.
[2020-08-18 21:40:10,555 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 685.98 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 171.5 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 84.92 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1226.88 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.8 MB in the beginning and 196.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 18848.47 ms. Allocated memory was 235.4 MB in the beginning and 550.0 MB in the end (delta: 314.6 MB). Free memory was 195.0 MB in the beginning and 100.3 MB in the end (delta: 94.7 MB). Peak memory consumption was 425.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 890]: 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: 542]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 640]: Loop Invariant
    Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 532]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 639]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 419 SDtfs, 582 SDslu, 293 SDs, 0 SdLazy, 1524 SolverSat, 393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 722 HoareAnnotationTreeSize, 245 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7503 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 75562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...