/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=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 16:55:53,291 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 16:55:53,293 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 16:55:53,334 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 16:55:53,335 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 16:55:53,344 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 16:55:53,345 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 16:55:53,347 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 16:55:53,349 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 16:55:53,352 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 16:55:53,353 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 16:55:53,355 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 16:55:53,355 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 16:55:53,358 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 16:55:53,360 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 16:55:53,362 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 16:55:53,363 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 16:55:53,365 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 16:55:53,366 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 16:55:53,375 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 16:55:53,377 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 16:55:53,378 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 16:55:53,379 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 16:55:53,379 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 16:55:53,392 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 16:55:53,392 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 16:55:53,393 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 16:55:53,393 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 16:55:53,394 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 16:55:53,395 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 16:55:53,395 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 16:55:53,396 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 16:55:53,396 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 16:55:53,403 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 16:55:53,404 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 16:55:53,407 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 16:55:53,408 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 16:55:53,408 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 16:55:53,408 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 16:55:53,409 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 16:55:53,410 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 16:55:53,410 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 16:55:53,450 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 16:55:53,450 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 16:55:53,452 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 16:55:53,453 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 16:55:53,453 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 16:55:53,453 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 16:55:53,453 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 16:55:53,454 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 16:55:53,454 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 16:55:53,454 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 16:55:53,455 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 16:55:53,455 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 16:55:53,455 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 16:55:53,456 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 16:55:53,456 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 16:55:53,456 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 16:55:53,456 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 16:55:53,457 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 16:55:53,457 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 16:55:53,457 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 16:55:53,458 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 16:55:53,458 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 16:55:53,458 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 16:55:53,458 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 16:55:53,458 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 16:55:53,458 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 16:55:53,459 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 16:55:53,459 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 16:55:53,459 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 16:55:53,459 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=SMALLEST;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST;
[2020-08-18 16:55:53,749 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 16:55:53,762 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 16:55:53,766 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 16:55:53,767 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 16:55:53,768 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 16:55:53,768 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c
[2020-08-18 16:55:53,832 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c93fb3e5b/d860ed6af88d452f904832a6d87a634c/FLAG0079d6f5d
[2020-08-18 16:55:54,363 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 16:55:54,364 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c
[2020-08-18 16:55:54,376 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c93fb3e5b/d860ed6af88d452f904832a6d87a634c/FLAG0079d6f5d
[2020-08-18 16:55:54,681 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c93fb3e5b/d860ed6af88d452f904832a6d87a634c
[2020-08-18 16:55:54,690 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 16:55:54,691 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 16:55:54,692 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 16:55:54,692 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 16:55:54,696 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 16:55:54,697 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:55:54" (1/1) ...
[2020-08-18 16:55:54,700 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac0e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:54, skipping insertion in model container
[2020-08-18 16:55:54,701 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:55:54" (1/1) ...
[2020-08-18 16:55:54,709 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 16:55:54,769 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 16:55:55,297 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 16:55:55,319 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 16:55:55,399 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 16:55:55,436 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 16:55:55,437 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55 WrapperNode
[2020-08-18 16:55:55,437 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 16:55:55,438 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 16:55:55,438 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 16:55:55,438 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 16:55:55,453 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (1/1) ...
[2020-08-18 16:55:55,453 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (1/1) ...
[2020-08-18 16:55:55,472 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (1/1) ...
[2020-08-18 16:55:55,473 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (1/1) ...
[2020-08-18 16:55:55,512 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (1/1) ...
[2020-08-18 16:55:55,522 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (1/1) ...
[2020-08-18 16:55:55,528 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (1/1) ...
[2020-08-18 16:55:55,536 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 16:55:55,537 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 16:55:55,537 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 16:55:55,537 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 16:55:55,538 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (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 16:55:55,624 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 16:55:55,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 16:55:55,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-18 16:55:55,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-08-18 16:55:55,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-18 16:55:55,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-18 16:55:55,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-18 16:55:55,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-18 16:55:55,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-18 16:55:55,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-18 16:55:55,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-18 16:55:55,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-18 16:55:55,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-18 16:55:55,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-18 16:55:55,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-18 16:55:55,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 16:55:55,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-18 16:55:55,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-18 16:55:55,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-18 16:55:55,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-18 16:55:55,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-18 16:55:55,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-18 16:55:55,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-18 16:55:55,631 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-18 16:55:55,631 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-18 16:55:55,632 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-18 16:55:55,632 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-18 16:55:55,632 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-18 16:55:55,632 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-18 16:55:55,632 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-18 16:55:55,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-18 16:55:55,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-18 16:55:55,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-18 16:55:55,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-18 16:55:55,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-18 16:55:55,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-18 16:55:55,634 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 16:55:55,634 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 16:55:55,634 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 16:55:55,634 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-18 16:55:55,634 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-18 16:55:55,634 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-18 16:55:55,634 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-08-18 16:55:55,635 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-18 16:55:55,636 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 16:55:55,636 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 16:55:55,636 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-18 16:55:55,636 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 16:55:55,637 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-18 16:55:55,637 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 16:55:55,637 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-18 16:55:55,637 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-18 16:55:55,637 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 16:55:55,637 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-18 16:55:55,638 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-18 16:55:55,638 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 16:55:55,638 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-18 16:55:55,638 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-18 16:55:55,638 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 16:55:55,639 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-18 16:55:55,639 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-18 16:55:55,639 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-18 16:55:55,639 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-18 16:55:55,640 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-18 16:55:55,640 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-18 16:55:55,640 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-18 16:55:55,640 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-18 16:55:55,640 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-18 16:55:55,640 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-18 16:55:55,640 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-18 16:55:55,641 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-18 16:55:55,641 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-18 16:55:55,642 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 16:55:55,642 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-18 16:55:55,643 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-18 16:55:55,643 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-18 16:55:55,644 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-18 16:55:55,644 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-18 16:55:55,644 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-18 16:55:55,644 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-18 16:55:55,644 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-18 16:55:55,644 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-18 16:55:55,645 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-18 16:55:55,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 16:55:55,645 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 16:55:55,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 16:55:56,743 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 16:55:56,743 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-18 16:55:56,748 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:55:56 BoogieIcfgContainer
[2020-08-18 16:55:56,749 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 16:55:56,750 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 16:55:56,750 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 16:55:56,754 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 16:55:56,754 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:55:54" (1/3) ...
[2020-08-18 16:55:56,755 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1786f503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:55:56, skipping insertion in model container
[2020-08-18 16:55:56,755 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:55:55" (2/3) ...
[2020-08-18 16:55:56,756 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1786f503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:55:56, skipping insertion in model container
[2020-08-18 16:55:56,756 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:55:56" (3/3) ...
[2020-08-18 16:55:56,758 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c
[2020-08-18 16:55:56,770 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 16:55:56,780 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 16:55:56,792 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 16:55:56,824 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 16:55:56,824 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 16:55:56,824 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 16:55:56,825 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 16:55:56,825 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 16:55:56,825 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 16:55:56,825 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 16:55:56,825 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 16:55:56,844 INFO  L276                IsEmpty]: Start isEmpty. Operand 128 states.
[2020-08-18 16:55:56,853 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-18 16:55:56,853 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:55:56,854 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 16:55:56,855 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:55:56,859 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:55:56,860 INFO  L82        PathProgramCache]: Analyzing trace with hash 1687671781, now seen corresponding path program 1 times
[2020-08-18 16:55:56,867 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:55:56,867 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417010834]
[2020-08-18 16:55:56,868 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:55:57,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,543 WARN  L193               SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:55:57,545 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:55:57,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,630 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:55:57,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,635 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:55:57,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,644 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:55:57,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,650 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:55:57,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,652 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-18 16:55:57,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,657 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 16:55:57,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:57,684 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 16:55:57,685 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417010834]
[2020-08-18 16:55:57,688 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:55:57,688 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-18 16:55:57,689 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495983832]
[2020-08-18 16:55:57,696 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-18 16:55:57,697 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:55:57,723 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-18 16:55:57,724 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 16:55:57,727 INFO  L87              Difference]: Start difference. First operand 128 states. Second operand 3 states.
[2020-08-18 16:55:58,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:55:58,720 INFO  L93              Difference]: Finished difference Result 208 states and 280 transitions.
[2020-08-18 16:55:58,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-18 16:55:58,722 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-18 16:55:58,722 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:55:58,736 INFO  L225             Difference]: With dead ends: 208
[2020-08-18 16:55:58,736 INFO  L226             Difference]: Without dead ends: 114
[2020-08-18 16:55:58,741 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 16:55:58,760 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2020-08-18 16:55:58,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85.
[2020-08-18 16:55:58,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2020-08-18 16:55:58,843 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions.
[2020-08-18 16:55:58,846 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46
[2020-08-18 16:55:58,846 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:55:58,847 INFO  L479      AbstractCegarLoop]: Abstraction has 85 states and 98 transitions.
[2020-08-18 16:55:58,847 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-18 16:55:58,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions.
[2020-08-18 16:55:58,851 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-18 16:55:58,852 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:55:58,852 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 16:55:58,853 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 16:55:58,853 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:55:58,853 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:55:58,854 INFO  L82        PathProgramCache]: Analyzing trace with hash -1046203216, now seen corresponding path program 1 times
[2020-08-18 16:55:58,854 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:55:58,854 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658304213]
[2020-08-18 16:55:58,854 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:55:58,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,215 WARN  L193               SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:55:59,217 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:55:59,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,270 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:55:59,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,273 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:55:59,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,275 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:55:59,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,277 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:55:59,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,284 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-18 16:55:59,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,288 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-18 16:55:59,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:55:59,302 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 16:55:59,303 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658304213]
[2020-08-18 16:55:59,303 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:55:59,303 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-18 16:55:59,304 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464393071]
[2020-08-18 16:55:59,306 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 16:55:59,307 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:55:59,307 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 16:55:59,308 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-18 16:55:59,308 INFO  L87              Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states.
[2020-08-18 16:55:59,760 WARN  L193               SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 16:56:00,188 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:56:00,188 INFO  L93              Difference]: Finished difference Result 137 states and 167 transitions.
[2020-08-18 16:56:00,190 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-18 16:56:00,190 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-18 16:56:00,191 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:56:00,194 INFO  L225             Difference]: With dead ends: 137
[2020-08-18 16:56:00,194 INFO  L226             Difference]: Without dead ends: 98
[2020-08-18 16:56:00,196 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 16:56:00,197 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2020-08-18 16:56:00,237 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76.
[2020-08-18 16:56:00,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2020-08-18 16:56:00,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions.
[2020-08-18 16:56:00,257 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47
[2020-08-18 16:56:00,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:56:00,258 INFO  L479      AbstractCegarLoop]: Abstraction has 76 states and 86 transitions.
[2020-08-18 16:56:00,258 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 16:56:00,258 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions.
[2020-08-18 16:56:00,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-18 16:56:00,270 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:56:00,270 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 16:56:00,270 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 16:56:00,270 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:56:00,271 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:56:00,271 INFO  L82        PathProgramCache]: Analyzing trace with hash 1948536442, now seen corresponding path program 1 times
[2020-08-18 16:56:00,271 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:56:00,272 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119335310]
[2020-08-18 16:56:00,272 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:56:00,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,646 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:56:00,648 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:56:00,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,691 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:56:00,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,694 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:56:00,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,696 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:56:00,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,711 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:56:00,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,714 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 16:56:00,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,717 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-18 16:56:00,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:00,728 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 16:56:00,728 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119335310]
[2020-08-18 16:56:00,728 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:56:00,729 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 16:56:00,729 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984788835]
[2020-08-18 16:56:00,730 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 16:56:00,730 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:56:00,731 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 16:56:00,731 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 16:56:00,731 INFO  L87              Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states.
[2020-08-18 16:56:01,082 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:56:01,409 WARN  L193               SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:01,649 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:01,883 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:02,593 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:56:02,593 INFO  L93              Difference]: Finished difference Result 150 states and 185 transitions.
[2020-08-18 16:56:02,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-08-18 16:56:02,594 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 52
[2020-08-18 16:56:02,595 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:56:02,596 INFO  L225             Difference]: With dead ends: 150
[2020-08-18 16:56:02,597 INFO  L226             Difference]: Without dead ends: 98
[2020-08-18 16:56:02,598 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 16:56:02,599 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2020-08-18 16:56:02,621 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76.
[2020-08-18 16:56:02,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2020-08-18 16:56:02,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions.
[2020-08-18 16:56:02,622 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52
[2020-08-18 16:56:02,623 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:56:02,623 INFO  L479      AbstractCegarLoop]: Abstraction has 76 states and 85 transitions.
[2020-08-18 16:56:02,623 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 16:56:02,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions.
[2020-08-18 16:56:02,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2020-08-18 16:56:02,624 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:56:02,624 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]
[2020-08-18 16:56:02,625 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 16:56:02,625 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:56:02,625 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:56:02,625 INFO  L82        PathProgramCache]: Analyzing trace with hash -952018290, now seen corresponding path program 1 times
[2020-08-18 16:56:02,626 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:56:02,626 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329314378]
[2020-08-18 16:56:02,626 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:56:02,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:02,985 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:56:02,986 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:56:02,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,014 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:56:03,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,016 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:56:03,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,017 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:56:03,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,030 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:56:03,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,032 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-08-18 16:56:03,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,034 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2020-08-18 16:56:03,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,048 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-08-18 16:56:03,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:03,058 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 16:56:03,058 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329314378]
[2020-08-18 16:56:03,059 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:56:03,059 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-08-18 16:56:03,059 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106369512]
[2020-08-18 16:56:03,060 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-08-18 16:56:03,060 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:56:03,060 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-08-18 16:56:03,061 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2020-08-18 16:56:03,061 INFO  L87              Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 11 states.
[2020-08-18 16:56:03,484 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:56:03,792 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:04,054 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:04,307 WARN  L193               SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:04,797 WARN  L193               SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 16:56:05,371 WARN  L193               SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:05,637 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-18 16:56:05,886 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-18 16:56:06,117 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 16:56:06,367 WARN  L193               SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:56:06,648 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-18 16:56:06,925 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-18 16:56:07,173 WARN  L193               SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:56:07,643 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:56:07,643 INFO  L93              Difference]: Finished difference Result 234 states and 296 transitions.
[2020-08-18 16:56:07,643 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2020-08-18 16:56:07,643 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 55
[2020-08-18 16:56:07,644 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:56:07,647 INFO  L225             Difference]: With dead ends: 234
[2020-08-18 16:56:07,647 INFO  L226             Difference]: Without dead ends: 182
[2020-08-18 16:56:07,648 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552
[2020-08-18 16:56:07,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2020-08-18 16:56:07,687 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165.
[2020-08-18 16:56:07,688 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 165 states.
[2020-08-18 16:56:07,689 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions.
[2020-08-18 16:56:07,689 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 55
[2020-08-18 16:56:07,690 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:56:07,690 INFO  L479      AbstractCegarLoop]: Abstraction has 165 states and 193 transitions.
[2020-08-18 16:56:07,690 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-08-18 16:56:07,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions.
[2020-08-18 16:56:07,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-08-18 16:56:07,692 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:56:07,692 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]
[2020-08-18 16:56:07,692 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 16:56:07,692 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:56:07,693 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:56:07,693 INFO  L82        PathProgramCache]: Analyzing trace with hash -939297624, now seen corresponding path program 1 times
[2020-08-18 16:56:07,693 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:56:07,693 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951239282]
[2020-08-18 16:56:07,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:56:07,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,937 WARN  L193               SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:56:07,938 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:56:07,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,964 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:56:07,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,967 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:56:07,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,968 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:56:07,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,970 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:56:07,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,984 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-08-18 16:56:07,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,987 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-08-18 16:56:07,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,988 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2020-08-18 16:56:07,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,989 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2020-08-18 16:56:07,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:07,998 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 16:56:07,998 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951239282]
[2020-08-18 16:56:07,998 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:56:07,999 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-18 16:56:07,999 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490898973]
[2020-08-18 16:56:07,999 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-18 16:56:08,000 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:56:08,000 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-18 16:56:08,000 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-08-18 16:56:08,000 INFO  L87              Difference]: Start difference. First operand 165 states and 193 transitions. Second operand 5 states.
[2020-08-18 16:56:08,324 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:56:08,804 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:56:08,804 INFO  L93              Difference]: Finished difference Result 263 states and 318 transitions.
[2020-08-18 16:56:08,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-08-18 16:56:08,805 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 59
[2020-08-18 16:56:08,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:56:08,808 INFO  L225             Difference]: With dead ends: 263
[2020-08-18 16:56:08,808 INFO  L226             Difference]: Without dead ends: 161
[2020-08-18 16:56:08,809 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-08-18 16:56:08,810 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 161 states.
[2020-08-18 16:56:08,851 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 148.
[2020-08-18 16:56:08,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 148 states.
[2020-08-18 16:56:08,852 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions.
[2020-08-18 16:56:08,853 INFO  L78                 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 59
[2020-08-18 16:56:08,853 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:56:08,853 INFO  L479      AbstractCegarLoop]: Abstraction has 148 states and 165 transitions.
[2020-08-18 16:56:08,853 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-18 16:56:08,853 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions.
[2020-08-18 16:56:08,855 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2020-08-18 16:56:08,855 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:56:08,856 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:08,856 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 16:56:08,856 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:56:08,856 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:56:08,857 INFO  L82        PathProgramCache]: Analyzing trace with hash 147904096, now seen corresponding path program 1 times
[2020-08-18 16:56:08,857 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:56:08,857 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622645197]
[2020-08-18 16:56:08,857 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:56:08,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,193 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:56:09,194 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:56:09,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,220 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:56:09,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,222 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:56:09,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,224 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:56:09,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,225 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:56:09,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,239 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2020-08-18 16:56:09,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,258 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-18 16:56:09,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,279 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-18 16:56:09,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,281 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2020-08-18 16:56:09,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,284 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-08-18 16:56:09,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,286 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2020-08-18 16:56:09,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,299 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2020-08-18 16:56:09,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,300 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2020-08-18 16:56:09,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,302 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2020-08-18 16:56:09,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:56:09,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2020-08-18 16:56:09,317 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622645197]
[2020-08-18 16:56:09,317 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 16:56:09,317 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-08-18 16:56:09,317 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339705974]
[2020-08-18 16:56:09,318 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 16:56:09,318 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:56:09,319 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 16:56:09,319 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 16:56:09,319 INFO  L87              Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 8 states.
[2020-08-18 16:56:09,861 WARN  L193               SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186
[2020-08-18 16:56:10,427 WARN  L193               SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:56:10,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:56:10,964 INFO  L93              Difference]: Finished difference Result 200 states and 232 transitions.
[2020-08-18 16:56:10,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-08-18 16:56:10,965 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 90
[2020-08-18 16:56:10,965 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:56:10,966 INFO  L225             Difference]: With dead ends: 200
[2020-08-18 16:56:10,966 INFO  L226             Difference]: Without dead ends: 0
[2020-08-18 16:56:10,967 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156
[2020-08-18 16:56:10,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-18 16:56:10,968 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-18 16:56:10,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-18 16:56:10,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-18 16:56:10,969 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90
[2020-08-18 16:56:10,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:56:10,969 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-18 16:56:10,969 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 16:56:10,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-18 16:56:10,969 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-18 16:56:10,970 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-18 16:56:10,972 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-18 16:56:11,084 WARN  L193               SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 133
[2020-08-18 16:56:11,848 WARN  L193               SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 133
[2020-08-18 16:56:13,203 WARN  L193               SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20
[2020-08-18 16:56:13,707 WARN  L193               SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20
[2020-08-18 16:56:14,099 WARN  L193               SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20
[2020-08-18 16:56:14,237 WARN  L193               SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1
[2020-08-18 16:56:14,644 WARN  L193               SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20
[2020-08-18 16:56:15,138 WARN  L193               SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19
[2020-08-18 16:56:15,539 WARN  L193               SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20
[2020-08-18 16:56:15,988 WARN  L193               SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19
[2020-08-18 16:56:16,618 WARN  L193               SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20
[2020-08-18 16:56:16,817 WARN  L193               SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:56:17,241 WARN  L193               SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22
[2020-08-18 16:56:17,644 WARN  L193               SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22
[2020-08-18 16:56:18,257 WARN  L193               SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19
[2020-08-18 16:56:18,379 WARN  L193               SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1
[2020-08-18 16:56:19,076 WARN  L193               SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21
[2020-08-18 16:56:19,207 WARN  L193               SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1
[2020-08-18 16:56:19,902 WARN  L193               SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20
[2020-08-18 16:56:20,510 WARN  L193               SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20
[2020-08-18 16:56:20,640 WARN  L193               SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1
[2020-08-18 16:56:20,803 INFO  L268        CegarLoopResult]: For program point  L152(lines 152 156)  no Hoare annotation was computed.
[2020-08-18 16:56:20,805 INFO  L268        CegarLoopResult]: For program point  L152-1(lines 152 156)  no Hoare annotation was computed.
[2020-08-18 16:56:20,805 INFO  L268        CegarLoopResult]: For program point  L147(line 147)  no Hoare annotation was computed.
[2020-08-18 16:56:20,805 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 121 176)  no Hoare annotation was computed.
[2020-08-18 16:56:20,805 INFO  L268        CegarLoopResult]: For program point  L146-2(lines 146 167)  no Hoare annotation was computed.
[2020-08-18 16:56:20,805 INFO  L268        CegarLoopResult]: For program point  L168(lines 145 169)  no Hoare annotation was computed.
[2020-08-18 16:56:20,805 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 121 176)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 121 176)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  L222(line 222)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  L222-1(line 222)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 177 236)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  L209(lines 209 213)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  L209-1(lines 209 213)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 177 236)  no Hoare annotation was computed.
[2020-08-18 16:56:20,806 INFO  L268        CegarLoopResult]: For program point  L204(line 204)  no Hoare annotation was computed.
[2020-08-18 16:56:20,807 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 177 236)  no Hoare annotation was computed.
[2020-08-18 16:56:20,807 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 228)  no Hoare annotation was computed.
[2020-08-18 16:56:20,807 INFO  L268        CegarLoopResult]: For program point  L229(lines 202 230)  no Hoare annotation was computed.
[2020-08-18 16:56:20,807 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 852 858)  the Hoare annotation is:  true
[2020-08-18 16:56:20,807 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 852 858)  no Hoare annotation was computed.
[2020-08-18 16:56:20,807 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 859 867)  no Hoare annotation was computed.
[2020-08-18 16:56:20,807 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 859 867)  the Hoare annotation is:  true
[2020-08-18 16:56:20,808 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 859 867)  no Hoare annotation was computed.
[2020-08-18 16:56:20,808 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification4_spec__1ENTRY(lines 43 67)  the Hoare annotation is:  true
[2020-08-18 16:56:20,808 INFO  L264        CegarLoopResult]: At program point  L57(line 57)  the Hoare annotation is:  (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1)))
[2020-08-18 16:56:20,808 INFO  L268        CegarLoopResult]: For program point  L55(lines 55 61)  no Hoare annotation was computed.
[2020-08-18 16:56:20,808 INFO  L264        CegarLoopResult]: At program point  L53(line 53)  the Hoare annotation is:  (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1)))
[2020-08-18 16:56:20,809 INFO  L268        CegarLoopResult]: For program point  L53-1(line 53)  no Hoare annotation was computed.
[2020-08-18 16:56:20,812 INFO  L268        CegarLoopResult]: For program point  L51(lines 51 64)  no Hoare annotation was computed.
[2020-08-18 16:56:20,813 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification4_spec__1EXIT(lines 43 67)  no Hoare annotation was computed.
[2020-08-18 16:56:20,813 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 43 67)  no Hoare annotation was computed.
[2020-08-18 16:56:20,813 INFO  L271        CegarLoopResult]: At program point  L49(line 49)  the Hoare annotation is:  true
[2020-08-18 16:56:20,813 INFO  L268        CegarLoopResult]: For program point  L49-1(line 49)  no Hoare annotation was computed.
[2020-08-18 16:56:20,813 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 524 546)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:56:20,813 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 524 546)  no Hoare annotation was computed.
[2020-08-18 16:56:20,813 INFO  L264        CegarLoopResult]: At program point  L536(line 536)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)))
[2020-08-18 16:56:20,814 INFO  L264        CegarLoopResult]: At program point  L536-1(line 536)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)))
[2020-08-18 16:56:20,814 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 541)  no Hoare annotation was computed.
[2020-08-18 16:56:20,814 INFO  L268        CegarLoopResult]: For program point  L534-1(lines 534 541)  no Hoare annotation was computed.
[2020-08-18 16:56:20,814 INFO  L268        CegarLoopResult]: For program point  L532(line 532)  no Hoare annotation was computed.
[2020-08-18 16:56:20,814 INFO  L264        CegarLoopResult]: At program point  L531(line 531)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:56:20,814 INFO  L264        CegarLoopResult]: At program point  L530(line 530)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:56:20,815 INFO  L264        CegarLoopResult]: At program point  L530-1(line 530)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 524 546)  no Hoare annotation was computed.
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 479 502)  no Hoare annotation was computed.
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 479 502)  no Hoare annotation was computed.
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 479 502)  no Hoare annotation was computed.
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  L497(line 497)  no Hoare annotation was computed.
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  L496(line 496)  no Hoare annotation was computed.
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  L495(line 495)  no Hoare annotation was computed.
[2020-08-18 16:56:20,815 INFO  L268        CegarLoopResult]: For program point  L494(line 494)  no Hoare annotation was computed.
[2020-08-18 16:56:20,816 INFO  L268        CegarLoopResult]: For program point  L493(line 493)  no Hoare annotation was computed.
[2020-08-18 16:56:20,818 INFO  L268        CegarLoopResult]: For program point  L492(line 492)  no Hoare annotation was computed.
[2020-08-18 16:56:20,818 INFO  L268        CegarLoopResult]: For program point  L491(line 491)  no Hoare annotation was computed.
[2020-08-18 16:56:20,819 INFO  L268        CegarLoopResult]: For program point  L490(line 490)  no Hoare annotation was computed.
[2020-08-18 16:56:20,819 INFO  L268        CegarLoopResult]: For program point  L489(line 489)  no Hoare annotation was computed.
[2020-08-18 16:56:20,819 INFO  L268        CegarLoopResult]: For program point  L488(line 488)  no Hoare annotation was computed.
[2020-08-18 16:56:20,820 INFO  L268        CegarLoopResult]: For program point  L487(line 487)  no Hoare annotation was computed.
[2020-08-18 16:56:20,820 INFO  L268        CegarLoopResult]: For program point  L486(line 486)  no Hoare annotation was computed.
[2020-08-18 16:56:20,820 INFO  L268        CegarLoopResult]: For program point  L485(line 485)  no Hoare annotation was computed.
[2020-08-18 16:56:20,820 INFO  L268        CegarLoopResult]: For program point  L484(line 484)  no Hoare annotation was computed.
[2020-08-18 16:56:20,820 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseEXIT(lines 588 595)  no Hoare annotation was computed.
[2020-08-18 16:56:20,821 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseENTRY(lines 588 595)  no Hoare annotation was computed.
[2020-08-18 16:56:20,821 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseFINAL(lines 588 595)  no Hoare annotation was computed.
[2020-08-18 16:56:20,821 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 633 641)  no Hoare annotation was computed.
[2020-08-18 16:56:20,821 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 633 641)  the Hoare annotation is:  true
[2020-08-18 16:56:20,821 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 633 641)  no Hoare annotation was computed.
[2020-08-18 16:56:20,821 INFO  L268        CegarLoopResult]: For program point  L672(line 672)  no Hoare annotation was computed.
[2020-08-18 16:56:20,821 INFO  L268        CegarLoopResult]: For program point  L672-1(line 672)  no Hoare annotation was computed.
[2020-08-18 16:56:20,821 INFO  L268        CegarLoopResult]: For program point  L661(lines 661 669)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L268        CegarLoopResult]: For program point  L661-2(lines 661 669)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 642 677)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L268        CegarLoopResult]: For program point  L649(lines 649 657)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L268        CegarLoopResult]: For program point  L649-2(lines 649 657)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 642 677)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 642 677)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 845 851)  no Hoare annotation was computed.
[2020-08-18 16:56:20,822 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 845 851)  the Hoare annotation is:  true
[2020-08-18 16:56:20,823 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 75 120)  no Hoare annotation was computed.
[2020-08-18 16:56:20,823 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 75 120)  no Hoare annotation was computed.
[2020-08-18 16:56:20,823 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 75 120)  no Hoare annotation was computed.
[2020-08-18 16:56:20,823 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 388 433)  no Hoare annotation was computed.
[2020-08-18 16:56:20,823 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 415)  no Hoare annotation was computed.
[2020-08-18 16:56:20,824 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 422)  no Hoare annotation was computed.
[2020-08-18 16:56:20,824 INFO  L268        CegarLoopResult]: For program point  L402-1(lines 402 422)  no Hoare annotation was computed.
[2020-08-18 16:56:20,824 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 388 433)  no Hoare annotation was computed.
[2020-08-18 16:56:20,824 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 388 433)  no Hoare annotation was computed.
[2020-08-18 16:56:20,824 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 511 520)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:56:20,824 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 511 520)  no Hoare annotation was computed.
[2020-08-18 16:56:20,824 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 511 520)  no Hoare annotation was computed.
[2020-08-18 16:56:20,825 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 622 632)  no Hoare annotation was computed.
[2020-08-18 16:56:20,825 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 622 632)  no Hoare annotation was computed.
[2020-08-18 16:56:20,825 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 622 632)  no Hoare annotation was computed.
[2020-08-18 16:56:20,825 INFO  L268        CegarLoopResult]: For program point  L627(line 627)  no Hoare annotation was computed.
[2020-08-18 16:56:20,826 INFO  L268        CegarLoopResult]: For program point  L627-1(line 627)  no Hoare annotation was computed.
[2020-08-18 16:56:20,826 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 614 621)  no Hoare annotation was computed.
[2020-08-18 16:56:20,826 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 614 621)  no Hoare annotation was computed.
[2020-08-18 16:56:20,826 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 614 621)  no Hoare annotation was computed.
[2020-08-18 16:56:20,826 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 581 587)  no Hoare annotation was computed.
[2020-08-18 16:56:20,826 INFO  L271        CegarLoopResult]: At program point  processEnvironmentFINAL(lines 581 587)  the Hoare annotation is:  true
[2020-08-18 16:56:20,826 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 687 752)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:56:20,827 INFO  L268        CegarLoopResult]: For program point  L735(lines 735 739)  no Hoare annotation was computed.
[2020-08-18 16:56:20,827 INFO  L264        CegarLoopResult]: At program point  L735-2(lines 727 740)  the Hoare annotation is:  (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1)))
[2020-08-18 16:56:20,827 INFO  L268        CegarLoopResult]: For program point  L698(lines 697 744)  no Hoare annotation was computed.
[2020-08-18 16:56:20,827 INFO  L264        CegarLoopResult]: At program point  L729(line 729)  the Hoare annotation is:  (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1)))
[2020-08-18 16:56:20,827 INFO  L268        CegarLoopResult]: For program point  L727(lines 727 740)  no Hoare annotation was computed.
[2020-08-18 16:56:20,827 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 687 752)  no Hoare annotation was computed.
[2020-08-18 16:56:20,828 INFO  L264        CegarLoopResult]: At program point  L719(line 719)  the Hoare annotation is:  (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1)))
[2020-08-18 16:56:20,828 INFO  L268        CegarLoopResult]: For program point  L717(lines 717 723)  no Hoare annotation was computed.
[2020-08-18 16:56:20,828 INFO  L268        CegarLoopResult]: For program point  L717-1(lines 717 723)  no Hoare annotation was computed.
[2020-08-18 16:56:20,828 INFO  L264        CegarLoopResult]: At program point  L742(lines 697 744)  the Hoare annotation is:  (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1)))
[2020-08-18 16:56:20,828 INFO  L264        CegarLoopResult]: At program point  L709(line 709)  the Hoare annotation is:  (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1)))
[2020-08-18 16:56:20,828 INFO  L268        CegarLoopResult]: For program point  L707(lines 707 713)  no Hoare annotation was computed.
[2020-08-18 16:56:20,828 INFO  L268        CegarLoopResult]: For program point  L707-1(lines 707 713)  no Hoare annotation was computed.
[2020-08-18 16:56:20,829 INFO  L268        CegarLoopResult]: For program point  L699(lines 699 703)  no Hoare annotation was computed.
[2020-08-18 16:56:20,829 INFO  L264        CegarLoopResult]: At program point  L745(lines 696 746)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:56:20,829 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 687 752)  no Hoare annotation was computed.
[2020-08-18 16:56:20,830 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 342 387)  no Hoare annotation was computed.
[2020-08-18 16:56:20,830 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 342 387)  no Hoare annotation was computed.
[2020-08-18 16:56:20,830 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 342 387)  no Hoare annotation was computed.
[2020-08-18 16:56:20,830 INFO  L268        CegarLoopResult]: For program point  L362(lines 362 369)  no Hoare annotation was computed.
[2020-08-18 16:56:20,830 INFO  L268        CegarLoopResult]: For program point  L356(lines 356 376)  no Hoare annotation was computed.
[2020-08-18 16:56:20,830 INFO  L268        CegarLoopResult]: For program point  L356-1(lines 356 376)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  L809(lines 809 817)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 801 823)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  L809-2(lines 809 817)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 801 823)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 801 823)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  L289(lines 288 308)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  L320(line 320)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  L320-1(line 320)  no Hoare annotation was computed.
[2020-08-18 16:56:20,831 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 239 341)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L285(lines 285 326)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L304(line 304)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L304-1(line 304)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L263(lines 263 267)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L327(lines 327 338)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 239 341)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L290(lines 290 294)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L288-2(lines 288 308)  no Hoare annotation was computed.
[2020-08-18 16:56:20,832 INFO  L268        CegarLoopResult]: For program point  L309(lines 287 310)  no Hoare annotation was computed.
[2020-08-18 16:56:20,833 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 239 341)  no Hoare annotation was computed.
[2020-08-18 16:56:20,833 INFO  L268        CegarLoopResult]: For program point  L268(lines 268 284)  no Hoare annotation was computed.
[2020-08-18 16:56:20,833 INFO  L268        CegarLoopResult]: For program point  L328(lines 328 335)  no Hoare annotation was computed.
[2020-08-18 16:56:20,833 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 835 844)  no Hoare annotation was computed.
[2020-08-18 16:56:20,833 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 835 844)  no Hoare annotation was computed.
[2020-08-18 16:56:20,833 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 835 844)  no Hoare annotation was computed.
[2020-08-18 16:56:20,833 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 16:56:20,834 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-18 16:56:20,834 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 16:56:20,834 INFO  L268        CegarLoopResult]: For program point  L608(line 608)  no Hoare annotation was computed.
[2020-08-18 16:56:20,834 INFO  L268        CegarLoopResult]: For program point  L608-1(lines 597 613)  no Hoare annotation was computed.
[2020-08-18 16:56:20,834 INFO  L268        CegarLoopResult]: For program point  L604(lines 604 610)  no Hoare annotation was computed.
[2020-08-18 16:56:20,834 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 597 613)  no Hoare annotation was computed.
[2020-08-18 16:56:20,834 INFO  L268        CegarLoopResult]: For program point  L602(line 602)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  L602-1(line 602)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 597 613)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 824 832)  the Hoare annotation is:  true
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 824 832)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 824 832)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 16:56:20,835 INFO  L268        CegarLoopResult]: For program point  L784-1(lines 780 791)  no Hoare annotation was computed.
[2020-08-18 16:56:20,836 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 780 791)  the Hoare annotation is:  (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2)))
[2020-08-18 16:56:20,836 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 780 791)  no Hoare annotation was computed.
[2020-08-18 16:56:20,836 INFO  L264        CegarLoopResult]: At program point  L570(line 570)  the Hoare annotation is:  (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2)))
[2020-08-18 16:56:20,836 INFO  L264        CegarLoopResult]: At program point  L568(lines 568 574)  the Hoare annotation is:  (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2)))
[2020-08-18 16:56:20,836 INFO  L264        CegarLoopResult]: At program point  L563(line 563)  the Hoare annotation is:  (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1)))
[2020-08-18 16:56:20,836 INFO  L268        CegarLoopResult]: For program point  L561(lines 560 579)  no Hoare annotation was computed.
[2020-08-18 16:56:20,837 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 557 580)  the Hoare annotation is:  (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2)))
[2020-08-18 16:56:20,837 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 557 580)  no Hoare annotation was computed.
[2020-08-18 16:56:20,837 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 557 580)  no Hoare annotation was computed.
[2020-08-18 16:56:20,837 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 446 475)  no Hoare annotation was computed.
[2020-08-18 16:56:20,837 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 446 475)  the Hoare annotation is:  true
[2020-08-18 16:56:20,837 INFO  L271        CegarLoopResult]: At program point  L471(lines 446 475)  the Hoare annotation is:  true
[2020-08-18 16:56:20,837 INFO  L268        CegarLoopResult]: For program point  L467(line 467)  no Hoare annotation was computed.
[2020-08-18 16:56:20,837 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 464)  no Hoare annotation was computed.
[2020-08-18 16:56:20,838 INFO  L271        CegarLoopResult]: At program point  L460-1(lines 460 464)  the Hoare annotation is:  true
[2020-08-18 16:56:20,838 INFO  L268        CegarLoopResult]: For program point  L457(line 457)  no Hoare annotation was computed.
[2020-08-18 16:56:20,838 INFO  L271        CegarLoopResult]: At program point  L456-2(lines 456 470)  the Hoare annotation is:  true
[2020-08-18 16:56:20,838 INFO  L271        CegarLoopResult]: At program point  L452(line 452)  the Hoare annotation is:  true
[2020-08-18 16:56:20,838 INFO  L268        CegarLoopResult]: For program point  L452-1(line 452)  no Hoare annotation was computed.
[2020-08-18 16:56:20,839 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalENTRY(lines 792 800)  no Hoare annotation was computed.
[2020-08-18 16:56:20,839 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 792 800)  no Hoare annotation was computed.
[2020-08-18 16:56:20,839 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 792 800)  no Hoare annotation was computed.
[2020-08-18 16:56:20,839 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 756 767)  the Hoare annotation is:  true
[2020-08-18 16:56:20,839 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 756 767)  no Hoare annotation was computed.
[2020-08-18 16:56:20,839 INFO  L268        CegarLoopResult]: For program point  L760-1(lines 756 767)  no Hoare annotation was computed.
[2020-08-18 16:56:20,839 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 503 509)  no Hoare annotation was computed.
[2020-08-18 16:56:20,839 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 503 509)  the Hoare annotation is:  true
[2020-08-18 16:56:20,839 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 16:56:20,840 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0))
[2020-08-18 16:56:20,840 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-18 16:56:20,840 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 16:56:20,840 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 678 685)  no Hoare annotation was computed.
[2020-08-18 16:56:20,840 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 678 685)  the Hoare annotation is:  (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0)))))
[2020-08-18 16:56:20,840 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 678 685)  no Hoare annotation was computed.
[2020-08-18 16:56:20,840 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 768 779)  no Hoare annotation was computed.
[2020-08-18 16:56:20,841 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 768 779)  the Hoare annotation is:  (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2)))
[2020-08-18 16:56:20,841 INFO  L268        CegarLoopResult]: For program point  L772-1(lines 768 779)  no Hoare annotation was computed.
[2020-08-18 16:56:20,841 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 435 442)  no Hoare annotation was computed.
[2020-08-18 16:56:20,841 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439)  no Hoare annotation was computed.
[2020-08-18 16:56:20,841 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 435 442)  the Hoare annotation is:  true
[2020-08-18 16:56:20,841 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 435 442)  no Hoare annotation was computed.
[2020-08-18 16:56:20,871 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:56:20 BoogieIcfgContainer
[2020-08-18 16:56:20,872 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 16:56:20,874 INFO  L168              Benchmark]: Toolchain (without parser) took 26182.51 ms. Allocated memory was 140.0 MB in the beginning and 616.0 MB in the end (delta: 476.1 MB). Free memory was 101.4 MB in the beginning and 239.2 MB in the end (delta: -137.8 MB). Peak memory consumption was 493.2 MB. Max. memory is 7.1 GB.
[2020-08-18 16:56:20,877 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-18 16:56:20,877 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 745.34 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 168.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB.
[2020-08-18 16:56:20,882 INFO  L168              Benchmark]: Boogie Preprocessor took 99.03 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-18 16:56:20,885 INFO  L168              Benchmark]: RCFGBuilder took 1211.74 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 196.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB.
[2020-08-18 16:56:20,886 INFO  L168              Benchmark]: TraceAbstraction took 24121.72 ms. Allocated memory was 235.4 MB in the beginning and 616.0 MB in the end (delta: 380.6 MB). Free memory was 196.5 MB in the beginning and 239.2 MB in the end (delta: -42.7 MB). Peak memory consumption was 492.9 MB. Max. memory is 7.1 GB.
[2020-08-18 16:56:20,891 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 745.34 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 168.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 99.03 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1211.74 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 196.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 24121.72 ms. Allocated memory was 235.4 MB in the beginning and 616.0 MB in the end (delta: 380.6 MB). Free memory was 196.5 MB in the beginning and 239.2 MB in the end (delta: -42.7 MB). Peak memory consumption was 492.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 439]: 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: 696]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0)
  - InvariantResult [Line: 456]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 446]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 697]: Loop Invariant
    Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && 1 == systemActive) && splverifierCounter == 0)) || !(pumpRunning == 0)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 440 SDtfs, 732 SDslu, 350 SDs, 0 SdLazy, 1599 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 114 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 103 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 199 PreInvPairs, 222 NumberOfFragments, 858 HoareAnnotationTreeSize, 199 FomulaSimplifications, 34387 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 42 FomulaSimplificationsInter, 9215 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 102988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 20/27 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...