/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 13:00:57,336 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:00:57,339 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:00:57,359 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:00:57,360 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:00:57,362 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:00:57,364 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:00:57,365 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:00:57,368 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:00:57,369 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:00:57,370 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:00:57,372 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:00:57,372 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:00:57,373 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:00:57,374 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:00:57,375 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:00:57,376 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:00:57,377 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:00:57,379 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:00:57,381 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:00:57,383 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:00:57,384 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:00:57,385 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:00:57,386 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:00:57,389 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:00:57,389 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:00:57,390 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:00:57,390 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:00:57,391 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:00:57,392 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:00:57,392 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:00:57,393 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:00:57,394 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:00:57,395 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:00:57,396 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:00:57,396 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:00:57,397 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:00:57,397 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:00:57,397 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:00:57,398 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:00:57,399 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:00:57,400 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 13:00:57,415 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 13:00:57,415 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:00:57,416 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:00:57,417 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 13:00:57,417 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 13:00:57,417 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:00:57,417 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 13:00:57,418 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 13:00:57,418 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 13:00:57,418 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 13:00:57,418 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:00:57,418 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:00:57,419 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:00:57,419 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 13:00:57,419 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 13:00:57,419 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 13:00:57,419 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:00:57,420 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:00:57,420 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 13:00:57,420 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 13:00:57,420 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 13:00:57,421 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:00:57,421 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:00:57,421 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:00:57,421 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:00:57,422 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 13:00:57,422 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:00:57,422 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:00:57,422 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 13:00:57,422 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 13:00:57,719 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:00:57,737 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:00:57,740 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:00:57,742 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 13:00:57,742 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 13:00:57,744 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c
[2020-07-20 13:00:57,821 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612918f25/1ca9e979876042c398d14c626e34291c/FLAG2afe790a7
[2020-07-20 13:00:58,337 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 13:00:58,338 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c
[2020-07-20 13:00:58,352 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612918f25/1ca9e979876042c398d14c626e34291c/FLAG2afe790a7
[2020-07-20 13:00:58,694 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612918f25/1ca9e979876042c398d14c626e34291c
[2020-07-20 13:00:58,703 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:00:58,705 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:00:58,706 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:00:58,706 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:00:58,710 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:00:58,711 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:58" (1/1) ...
[2020-07-20 13:00:58,714 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f146373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:58, skipping insertion in model container
[2020-07-20 13:00:58,715 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:58" (1/1) ...
[2020-07-20 13:00:58,723 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 13:00:58,776 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:00:59,295 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:00:59,308 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 13:00:59,380 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:00:59,417 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 13:00:59,417 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59 WrapperNode
[2020-07-20 13:00:59,417 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:00:59,418 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:00:59,418 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:00:59,418 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:00:59,432 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
[2020-07-20 13:00:59,433 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
[2020-07-20 13:00:59,452 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
[2020-07-20 13:00:59,453 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
[2020-07-20 13:00:59,485 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
[2020-07-20 13:00:59,496 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
[2020-07-20 13:00:59,501 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
[2020-07-20 13:00:59,509 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:00:59,510 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:00:59,510 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:00:59,510 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:00:59,511 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2020-07-20 13:00:59,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:00:59,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:00:59,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:00:59,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:00:59,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:00:59,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:00:59,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 13:00:59,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:00:59,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:00:59,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:00:59,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:00:59,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:00:59,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:00:59,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:00:59,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:00:59,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 13:00:59,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:00:59,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:00:59,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:00:59,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:00:59,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:00:59,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:00:59,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:00:59,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:00:59,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:00:59,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:00:59,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-07-20 13:00:59,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:00:59,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:00:59,588 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:00:59,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:00:59,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:00:59,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:00:59,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:00:59,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:00:59,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:00:59,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:00:59,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:00:59,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:00:59,590 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:00:59,590 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:00:59,590 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:00:59,591 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:00:59,591 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:00:59,591 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:00:59,591 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 13:00:59,591 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:00:59,591 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:00:59,591 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:00:59,592 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:00:59,592 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:00:59,592 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:00:59,592 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:00:59,592 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:00:59,592 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:00:59,593 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:00:59,593 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:00:59,593 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-07-20 13:00:59,593 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:00:59,593 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:00:59,593 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:00:59,594 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 13:00:59,594 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:00:59,594 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:00:59,594 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:00:59,594 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:00:59,594 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:00:59,595 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:00:59,595 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:00:59,595 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:00:59,595 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:00:59,595 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:00:59,595 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:00:59,595 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:00:59,596 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:00:59,596 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:00:59,596 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:00:59,596 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:00:59,596 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:00:59,596 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:00:59,597 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:00:59,597 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:00:59,597 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:00:59,597 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:00:59,597 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:00:59,597 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:00:59,598 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:00:59,598 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:00:59,598 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:00:59,598 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:00:59,598 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:00:59,598 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:00:59,598 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:00:59,599 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:01:00,710 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:01:00,711 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:01:00,716 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:00 BoogieIcfgContainer
[2020-07-20 13:01:00,716 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:01:00,718 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:01:00,718 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:01:00,721 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:01:00,722 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:00:58" (1/3) ...
[2020-07-20 13:01:00,723 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f6a594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:00, skipping insertion in model container
[2020-07-20 13:01:00,723 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (2/3) ...
[2020-07-20 13:01:00,723 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f6a594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:00, skipping insertion in model container
[2020-07-20 13:01:00,724 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:00" (3/3) ...
[2020-07-20 13:01:00,726 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c
[2020-07-20 13:01:00,736 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:01:00,744 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:01:00,759 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:01:00,784 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:01:00,785 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 13:01:00,785 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:01:00,785 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:01:00,786 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:01:00,786 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 13:01:00,786 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:01:00,786 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:01:00,810 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states.
[2020-07-20 13:01:00,820 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-07-20 13:01:00,820 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:00,821 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]
[2020-07-20 13:01:00,821 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:00,826 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:00,826 INFO  L82        PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times
[2020-07-20 13:01:00,833 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:00,834 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867725265]
[2020-07-20 13:01:00,834 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:01,321 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:01,322 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:01,333 INFO  L263         TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:01:01,342 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:01,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:01:01,373 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:01,374 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867725265]
[2020-07-20 13:01:01,375 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:01,375 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:01:01,376 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628101331]
[2020-07-20 13:01:01,382 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:01:01,382 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:01,397 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:01:01,398 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:01:01,400 INFO  L87              Difference]: Start difference. First operand 177 states. Second operand 2 states.
[2020-07-20 13:01:01,446 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:01,446 INFO  L93              Difference]: Finished difference Result 268 states and 333 transitions.
[2020-07-20 13:01:01,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 13:01:01,448 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 46
[2020-07-20 13:01:01,449 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:01,462 INFO  L225             Difference]: With dead ends: 268
[2020-07-20 13:01:01,462 INFO  L226             Difference]: Without dead ends: 134
[2020-07-20 13:01:01,467 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:01:01,487 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2020-07-20 13:01:01,521 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134.
[2020-07-20 13:01:01,523 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 134 states.
[2020-07-20 13:01:01,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions.
[2020-07-20 13:01:01,528 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46
[2020-07-20 13:01:01,528 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:01,529 INFO  L479      AbstractCegarLoop]: Abstraction has 134 states and 158 transitions.
[2020-07-20 13:01:01,529 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:01:01,529 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions.
[2020-07-20 13:01:01,532 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-07-20 13:01:01,533 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:01,533 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]
[2020-07-20 13:01:01,748 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:01,748 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:01,749 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:01,749 INFO  L82        PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times
[2020-07-20 13:01:01,750 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:01,750 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641486526]
[2020-07-20 13:01:01,751 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:02,243 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:02,243 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:02,256 INFO  L263         TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:01:02,263 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:02,302 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:01:02,303 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:02,303 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641486526]
[2020-07-20 13:01:02,304 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:02,304 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:01:02,304 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979044378]
[2020-07-20 13:01:02,306 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:01:02,306 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:02,306 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:01:02,307 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:02,307 INFO  L87              Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states.
[2020-07-20 13:01:02,332 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:02,332 INFO  L93              Difference]: Finished difference Result 213 states and 251 transitions.
[2020-07-20 13:01:02,333 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:01:02,333 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-07-20 13:01:02,333 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:02,335 INFO  L225             Difference]: With dead ends: 213
[2020-07-20 13:01:02,335 INFO  L226             Difference]: Without dead ends: 125
[2020-07-20 13:01:02,337 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:02,338 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2020-07-20 13:01:02,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2020-07-20 13:01:02,359 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 125 states.
[2020-07-20 13:01:02,361 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions.
[2020-07-20 13:01:02,362 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47
[2020-07-20 13:01:02,363 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:02,363 INFO  L479      AbstractCegarLoop]: Abstraction has 125 states and 146 transitions.
[2020-07-20 13:01:02,363 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:01:02,363 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions.
[2020-07-20 13:01:02,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 13:01:02,368 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:02,368 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]
[2020-07-20 13:01:02,582 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:02,583 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:02,584 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:02,584 INFO  L82        PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times
[2020-07-20 13:01:02,585 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:02,585 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207607916]
[2020-07-20 13:01:02,585 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:02,985 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:02,986 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:02,993 INFO  L263         TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:01:02,997 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:03,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:01:03,030 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:03,031 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207607916]
[2020-07-20 13:01:03,031 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:03,031 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:01:03,032 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074037494]
[2020-07-20 13:01:03,033 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:01:03,034 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:03,034 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:01:03,034 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:03,035 INFO  L87              Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 3 states.
[2020-07-20 13:01:03,067 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:03,067 INFO  L93              Difference]: Finished difference Result 226 states and 269 transitions.
[2020-07-20 13:01:03,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:01:03,068 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2020-07-20 13:01:03,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:03,070 INFO  L225             Difference]: With dead ends: 226
[2020-07-20 13:01:03,070 INFO  L226             Difference]: Without dead ends: 125
[2020-07-20 13:01:03,072 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:03,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2020-07-20 13:01:03,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2020-07-20 13:01:03,084 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 125 states.
[2020-07-20 13:01:03,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions.
[2020-07-20 13:01:03,085 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52
[2020-07-20 13:01:03,086 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:03,086 INFO  L479      AbstractCegarLoop]: Abstraction has 125 states and 145 transitions.
[2020-07-20 13:01:03,086 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:01:03,086 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions.
[2020-07-20 13:01:03,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-20 13:01:03,088 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:03,088 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:03,303 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:03,304 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:03,305 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:03,305 INFO  L82        PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times
[2020-07-20 13:01:03,305 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:03,306 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393287607]
[2020-07-20 13:01:03,307 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:03,816 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:03,817 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:03,823 INFO  L263         TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 13:01:03,827 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:03,876 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:01:03,877 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:03,877 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393287607]
[2020-07-20 13:01:03,877 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:03,878 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:01:03,878 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128193912]
[2020-07-20 13:01:03,878 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:01:03,879 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:03,879 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:01:03,879 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:01:03,879 INFO  L87              Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 6 states.
[2020-07-20 13:01:04,600 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:04,601 INFO  L93              Difference]: Finished difference Result 314 states and 380 transitions.
[2020-07-20 13:01:04,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:01:04,608 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 65
[2020-07-20 13:01:04,608 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:04,611 INFO  L225             Difference]: With dead ends: 314
[2020-07-20 13:01:04,611 INFO  L226             Difference]: Without dead ends: 213
[2020-07-20 13:01:04,612 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:01:04,613 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 213 states.
[2020-07-20 13:01:04,661 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 197.
[2020-07-20 13:01:04,664 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 197 states.
[2020-07-20 13:01:04,666 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 222 transitions.
[2020-07-20 13:01:04,668 INFO  L78                 Accepts]: Start accepts. Automaton has 197 states and 222 transitions. Word has length 65
[2020-07-20 13:01:04,669 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:04,669 INFO  L479      AbstractCegarLoop]: Abstraction has 197 states and 222 transitions.
[2020-07-20 13:01:04,669 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:01:04,669 INFO  L276                IsEmpty]: Start isEmpty. Operand 197 states and 222 transitions.
[2020-07-20 13:01:04,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2020-07-20 13:01:04,671 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:04,674 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:04,875 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:04,876 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:04,876 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:04,876 INFO  L82        PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times
[2020-07-20 13:01:04,877 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:04,877 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619156569]
[2020-07-20 13:01:04,878 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:05,320 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:05,320 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:05,327 INFO  L263         TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:01:05,331 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:05,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:01:05,370 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:05,371 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619156569]
[2020-07-20 13:01:05,371 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:05,371 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:01:05,372 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492316086]
[2020-07-20 13:01:05,373 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:01:05,373 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:05,374 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:01:05,374 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:01:05,374 INFO  L87              Difference]: Start difference. First operand 197 states and 222 transitions. Second operand 6 states.
[2020-07-20 13:01:05,621 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:05,621 INFO  L93              Difference]: Finished difference Result 204 states and 230 transitions.
[2020-07-20 13:01:05,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:01:05,622 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 79
[2020-07-20 13:01:05,623 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:05,630 INFO  L225             Difference]: With dead ends: 204
[2020-07-20 13:01:05,631 INFO  L226             Difference]: Without dead ends: 201
[2020-07-20 13:01:05,632 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:01:05,633 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2020-07-20 13:01:05,671 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197.
[2020-07-20 13:01:05,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 197 states.
[2020-07-20 13:01:05,673 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 221 transitions.
[2020-07-20 13:01:05,673 INFO  L78                 Accepts]: Start accepts. Automaton has 197 states and 221 transitions. Word has length 79
[2020-07-20 13:01:05,674 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:05,674 INFO  L479      AbstractCegarLoop]: Abstraction has 197 states and 221 transitions.
[2020-07-20 13:01:05,674 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:01:05,674 INFO  L276                IsEmpty]: Start isEmpty. Operand 197 states and 221 transitions.
[2020-07-20 13:01:05,678 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2020-07-20 13:01:05,679 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:05,679 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:05,893 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:05,894 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:05,894 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:05,894 INFO  L82        PathProgramCache]: Analyzing trace with hash -1946971748, now seen corresponding path program 1 times
[2020-07-20 13:01:05,895 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:05,895 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724369457]
[2020-07-20 13:01:05,896 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:06,224 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:06,224 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:06,228 INFO  L263         TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:01:06,232 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:06,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:01:06,265 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:06,266 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724369457]
[2020-07-20 13:01:06,266 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:06,266 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:01:06,266 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032157712]
[2020-07-20 13:01:06,267 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:01:06,267 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:06,268 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:01:06,268 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:01:06,268 INFO  L87              Difference]: Start difference. First operand 197 states and 221 transitions. Second operand 6 states.
[2020-07-20 13:01:06,348 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:06,348 INFO  L93              Difference]: Finished difference Result 377 states and 432 transitions.
[2020-07-20 13:01:06,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:01:06,349 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 95
[2020-07-20 13:01:06,350 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:06,353 INFO  L225             Difference]: With dead ends: 377
[2020-07-20 13:01:06,353 INFO  L226             Difference]: Without dead ends: 204
[2020-07-20 13:01:06,356 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:01:06,358 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 204 states.
[2020-07-20 13:01:06,380 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202.
[2020-07-20 13:01:06,381 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 202 states.
[2020-07-20 13:01:06,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 226 transitions.
[2020-07-20 13:01:06,384 INFO  L78                 Accepts]: Start accepts. Automaton has 202 states and 226 transitions. Word has length 95
[2020-07-20 13:01:06,384 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:06,384 INFO  L479      AbstractCegarLoop]: Abstraction has 202 states and 226 transitions.
[2020-07-20 13:01:06,385 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:01:06,385 INFO  L276                IsEmpty]: Start isEmpty. Operand 202 states and 226 transitions.
[2020-07-20 13:01:06,392 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2020-07-20 13:01:06,393 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:06,393 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:06,606 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:06,607 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:06,607 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:06,611 INFO  L82        PathProgramCache]: Analyzing trace with hash -1053485410, now seen corresponding path program 1 times
[2020-07-20 13:01:06,611 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:06,611 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937629546]
[2020-07-20 13:01:06,612 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:07,104 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:07,105 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:07,111 INFO  L263         TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:01:07,115 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:07,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:01:07,144 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:07,144 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937629546]
[2020-07-20 13:01:07,145 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:07,145 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:01:07,145 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306361194]
[2020-07-20 13:01:07,146 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:01:07,146 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:07,146 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:01:07,147 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:01:07,147 INFO  L87              Difference]: Start difference. First operand 202 states and 226 transitions. Second operand 5 states.
[2020-07-20 13:01:07,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:07,176 INFO  L93              Difference]: Finished difference Result 387 states and 443 transitions.
[2020-07-20 13:01:07,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 13:01:07,177 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 95
[2020-07-20 13:01:07,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:07,179 INFO  L225             Difference]: With dead ends: 387
[2020-07-20 13:01:07,179 INFO  L226             Difference]: Without dead ends: 209
[2020-07-20 13:01:07,180 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:01:07,181 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2020-07-20 13:01:07,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206.
[2020-07-20 13:01:07,192 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 206 states.
[2020-07-20 13:01:07,193 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 230 transitions.
[2020-07-20 13:01:07,194 INFO  L78                 Accepts]: Start accepts. Automaton has 206 states and 230 transitions. Word has length 95
[2020-07-20 13:01:07,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:07,194 INFO  L479      AbstractCegarLoop]: Abstraction has 206 states and 230 transitions.
[2020-07-20 13:01:07,194 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:01:07,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 206 states and 230 transitions.
[2020-07-20 13:01:07,195 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2020-07-20 13:01:07,196 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:07,196 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:07,408 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:07,409 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:07,410 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:07,410 INFO  L82        PathProgramCache]: Analyzing trace with hash -1061244769, now seen corresponding path program 1 times
[2020-07-20 13:01:07,410 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:07,411 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583557441]
[2020-07-20 13:01:07,412 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:07,760 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:07,760 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:07,765 INFO  L263         TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:01:07,768 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:07,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:01:07,795 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:07,796 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583557441]
[2020-07-20 13:01:07,796 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:07,796 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:01:07,796 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027885166]
[2020-07-20 13:01:07,797 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:01:07,797 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:07,797 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:01:07,797 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:07,797 INFO  L87              Difference]: Start difference. First operand 206 states and 230 transitions. Second operand 3 states.
[2020-07-20 13:01:07,831 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:07,831 INFO  L93              Difference]: Finished difference Result 528 states and 616 transitions.
[2020-07-20 13:01:07,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:01:07,832 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 95
[2020-07-20 13:01:07,832 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:07,835 INFO  L225             Difference]: With dead ends: 528
[2020-07-20 13:01:07,835 INFO  L226             Difference]: Without dead ends: 346
[2020-07-20 13:01:07,836 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:07,837 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 346 states.
[2020-07-20 13:01:07,856 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 343.
[2020-07-20 13:01:07,857 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 343 states.
[2020-07-20 13:01:07,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 394 transitions.
[2020-07-20 13:01:07,859 INFO  L78                 Accepts]: Start accepts. Automaton has 343 states and 394 transitions. Word has length 95
[2020-07-20 13:01:07,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:07,859 INFO  L479      AbstractCegarLoop]: Abstraction has 343 states and 394 transitions.
[2020-07-20 13:01:07,860 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:01:07,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 343 states and 394 transitions.
[2020-07-20 13:01:07,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2020-07-20 13:01:07,861 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:07,862 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:08,075 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:08,076 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:08,077 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:08,077 INFO  L82        PathProgramCache]: Analyzing trace with hash -1977450523, now seen corresponding path program 1 times
[2020-07-20 13:01:08,077 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:08,078 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925452668]
[2020-07-20 13:01:08,078 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:08,404 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:08,404 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:08,408 INFO  L263         TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 23 conjunts are in the unsatisfiable core
[2020-07-20 13:01:08,411 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:08,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-07-20 13:01:08,473 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:08,473 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925452668]
[2020-07-20 13:01:08,474 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:08,474 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:01:08,475 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318069632]
[2020-07-20 13:01:08,475 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:01:08,476 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:08,476 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:01:08,477 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:01:08,478 INFO  L87              Difference]: Start difference. First operand 343 states and 394 transitions. Second operand 6 states.
[2020-07-20 13:01:08,720 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:08,720 INFO  L93              Difference]: Finished difference Result 962 states and 1142 transitions.
[2020-07-20 13:01:08,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:01:08,721 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 99
[2020-07-20 13:01:08,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:08,728 INFO  L225             Difference]: With dead ends: 962
[2020-07-20 13:01:08,728 INFO  L226             Difference]: Without dead ends: 643
[2020-07-20 13:01:08,730 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:01:08,731 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 643 states.
[2020-07-20 13:01:08,770 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 635.
[2020-07-20 13:01:08,771 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 635 states.
[2020-07-20 13:01:08,774 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 732 transitions.
[2020-07-20 13:01:08,775 INFO  L78                 Accepts]: Start accepts. Automaton has 635 states and 732 transitions. Word has length 99
[2020-07-20 13:01:08,776 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:08,776 INFO  L479      AbstractCegarLoop]: Abstraction has 635 states and 732 transitions.
[2020-07-20 13:01:08,776 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:01:08,776 INFO  L276                IsEmpty]: Start isEmpty. Operand 635 states and 732 transitions.
[2020-07-20 13:01:08,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2020-07-20 13:01:08,778 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:08,779 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:08,992 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:08,993 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:08,994 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:08,994 INFO  L82        PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times
[2020-07-20 13:01:08,994 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:08,995 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242661598]
[2020-07-20 13:01:08,995 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:09,279 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:09,279 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:09,283 INFO  L263         TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-20 13:01:09,288 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:09,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:01:09,364 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:09,364 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242661598]
[2020-07-20 13:01:09,364 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:09,364 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-20 13:01:09,365 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063826777]
[2020-07-20 13:01:09,365 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 13:01:09,365 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:09,366 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 13:01:09,366 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:01:09,366 INFO  L87              Difference]: Start difference. First operand 635 states and 732 transitions. Second operand 8 states.
[2020-07-20 13:01:09,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:09,650 INFO  L93              Difference]: Finished difference Result 1233 states and 1430 transitions.
[2020-07-20 13:01:09,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 13:01:09,651 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 103
[2020-07-20 13:01:09,651 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:09,656 INFO  L225             Difference]: With dead ends: 1233
[2020-07-20 13:01:09,656 INFO  L226             Difference]: Without dead ends: 622
[2020-07-20 13:01:09,659 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:01:09,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 622 states.
[2020-07-20 13:01:09,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622.
[2020-07-20 13:01:09,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 622 states.
[2020-07-20 13:01:09,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 709 transitions.
[2020-07-20 13:01:09,731 INFO  L78                 Accepts]: Start accepts. Automaton has 622 states and 709 transitions. Word has length 103
[2020-07-20 13:01:09,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:09,731 INFO  L479      AbstractCegarLoop]: Abstraction has 622 states and 709 transitions.
[2020-07-20 13:01:09,731 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 13:01:09,731 INFO  L276                IsEmpty]: Start isEmpty. Operand 622 states and 709 transitions.
[2020-07-20 13:01:09,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 156
[2020-07-20 13:01:09,735 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:01:09,735 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:09,948 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:09,949 INFO  L427      AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:09,949 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:09,949 INFO  L82        PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times
[2020-07-20 13:01:09,949 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:09,950 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038836226]
[2020-07-20 13:01:09,950 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:10,331 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:10,331 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:10,338 INFO  L263         TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-20 13:01:10,342 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:10,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-07-20 13:01:10,434 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:10,434 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038836226]
[2020-07-20 13:01:10,434 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:10,435 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-20 13:01:10,435 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169665250]
[2020-07-20 13:01:10,435 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 13:01:10,436 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:10,436 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 13:01:10,436 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:01:10,436 INFO  L87              Difference]: Start difference. First operand 622 states and 709 transitions. Second operand 8 states.
[2020-07-20 13:01:10,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:10,723 INFO  L93              Difference]: Finished difference Result 1141 states and 1308 transitions.
[2020-07-20 13:01:10,723 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 13:01:10,724 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 155
[2020-07-20 13:01:10,724 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:10,725 INFO  L225             Difference]: With dead ends: 1141
[2020-07-20 13:01:10,725 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 13:01:10,728 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:01:10,728 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:01:10,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:01:10,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:01:10,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:01:10,729 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155
[2020-07-20 13:01:10,729 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:10,729 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:01:10,730 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 13:01:10,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:01:10,730 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:01:10,943 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:10,947 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:01:11,847 WARN  L193               SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16
[2020-07-20 13:01:11,974 WARN  L193               SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27
[2020-07-20 13:01:12,375 WARN  L193               SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23
[2020-07-20 13:01:12,665 WARN  L193               SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 15
[2020-07-20 13:01:12,937 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23
[2020-07-20 13:01:13,055 WARN  L193               SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23
[2020-07-20 13:01:13,501 WARN  L193               SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 21
[2020-07-20 13:01:13,621 WARN  L193               SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19
[2020-07-20 13:01:14,073 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27
[2020-07-20 13:01:14,812 INFO  L268        CegarLoopResult]: For program point  L671(lines 671 675)  no Hoare annotation was computed.
[2020-07-20 13:01:14,812 INFO  L268        CegarLoopResult]: For program point  L671-1(lines 671 675)  no Hoare annotation was computed.
[2020-07-20 13:01:14,812 INFO  L268        CegarLoopResult]: For program point  L666(line 666)  no Hoare annotation was computed.
[2020-07-20 13:01:14,812 INFO  L268        CegarLoopResult]: For program point  L665-2(lines 665 686)  no Hoare annotation was computed.
[2020-07-20 13:01:14,813 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 640 695)  no Hoare annotation was computed.
[2020-07-20 13:01:14,813 INFO  L268        CegarLoopResult]: For program point  L687(lines 664 688)  no Hoare annotation was computed.
[2020-07-20 13:01:14,813 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 640 695)  no Hoare annotation was computed.
[2020-07-20 13:01:14,813 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 640 695)  no Hoare annotation was computed.
[2020-07-20 13:01:14,813 INFO  L268        CegarLoopResult]: For program point  L728(lines 728 732)  no Hoare annotation was computed.
[2020-07-20 13:01:14,813 INFO  L268        CegarLoopResult]: For program point  L728-1(lines 728 732)  no Hoare annotation was computed.
[2020-07-20 13:01:14,813 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 696 755)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L268        CegarLoopResult]: For program point  L723(line 723)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L268        CegarLoopResult]: For program point  L722-2(lines 722 747)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 696 755)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L268        CegarLoopResult]: For program point  L748(lines 721 749)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 696 755)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L268        CegarLoopResult]: For program point  L741(line 741)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L268        CegarLoopResult]: For program point  L741-1(line 741)  no Hoare annotation was computed.
[2020-07-20 13:01:14,814 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 441 447)  the Hoare annotation is:  true
[2020-07-20 13:01:14,815 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 441 447)  no Hoare annotation was computed.
[2020-07-20 13:01:14,815 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 448 456)  no Hoare annotation was computed.
[2020-07-20 13:01:14,815 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 448 456)  the Hoare annotation is:  true
[2020-07-20 13:01:14,815 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 448 456)  no Hoare annotation was computed.
[2020-07-20 13:01:14,815 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 399 421)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,815 INFO  L264        CegarLoopResult]: At program point  L411(line 411)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,816 INFO  L264        CegarLoopResult]: At program point  L411-1(line 411)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,816 INFO  L268        CegarLoopResult]: For program point  L409(lines 409 416)  no Hoare annotation was computed.
[2020-07-20 13:01:14,816 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 399 421)  no Hoare annotation was computed.
[2020-07-20 13:01:14,816 INFO  L268        CegarLoopResult]: For program point  L409-1(lines 409 416)  no Hoare annotation was computed.
[2020-07-20 13:01:14,816 INFO  L268        CegarLoopResult]: For program point  L407(line 407)  no Hoare annotation was computed.
[2020-07-20 13:01:14,816 INFO  L264        CegarLoopResult]: At program point  L406(line 406)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,816 INFO  L264        CegarLoopResult]: At program point  L405(line 405)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,817 INFO  L264        CegarLoopResult]: At program point  L405-1(line 405)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,817 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 399 421)  no Hoare annotation was computed.
[2020-07-20 13:01:14,817 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 355 378)  no Hoare annotation was computed.
[2020-07-20 13:01:14,817 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 355 378)  no Hoare annotation was computed.
[2020-07-20 13:01:14,817 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 355 378)  no Hoare annotation was computed.
[2020-07-20 13:01:14,817 INFO  L268        CegarLoopResult]: For program point  L373(line 373)  no Hoare annotation was computed.
[2020-07-20 13:01:14,817 INFO  L268        CegarLoopResult]: For program point  L372(line 372)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L371(line 371)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L370(line 370)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L369(line 369)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L368(line 368)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L367(line 367)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L366(line 366)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L365(line 365)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L364(line 364)  no Hoare annotation was computed.
[2020-07-20 13:01:14,818 INFO  L268        CegarLoopResult]: For program point  L363(line 363)  no Hoare annotation was computed.
[2020-07-20 13:01:14,819 INFO  L268        CegarLoopResult]: For program point  L362(line 362)  no Hoare annotation was computed.
[2020-07-20 13:01:14,819 INFO  L268        CegarLoopResult]: For program point  L361(line 361)  no Hoare annotation was computed.
[2020-07-20 13:01:14,819 INFO  L268        CegarLoopResult]: For program point  L360(line 360)  no Hoare annotation was computed.
[2020-07-20 13:01:14,819 INFO  L268        CegarLoopResult]: For program point  L162-1(line 162)  no Hoare annotation was computed.
[2020-07-20 13:01:14,819 INFO  L268        CegarLoopResult]: For program point  L160(lines 160 177)  no Hoare annotation was computed.
[2020-07-20 13:01:14,819 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__methaneQueryENTRY(lines 156 180)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:01:14,820 INFO  L264        CegarLoopResult]: At program point  L175(line 175)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1)))
[2020-07-20 13:01:14,820 INFO  L268        CegarLoopResult]: For program point  L175-1(lines 156 180)  no Hoare annotation was computed.
[2020-07-20 13:01:14,820 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__methaneQueryEXIT(lines 156 180)  no Hoare annotation was computed.
[2020-07-20 13:01:14,820 INFO  L264        CegarLoopResult]: At program point  L170(line 170)  the Hoare annotation is:  (let ((.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2) (or .cse3 .cse0 .cse1)))
[2020-07-20 13:01:14,820 INFO  L264        CegarLoopResult]: At program point  L166(line 166)  the Hoare annotation is:  (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not .cse6)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse0 .cse5 .cse4) (or .cse6 .cse0 .cse5))))
[2020-07-20 13:01:14,820 INFO  L268        CegarLoopResult]: For program point  L164(lines 164 172)  no Hoare annotation was computed.
[2020-07-20 13:01:14,821 INFO  L264        CegarLoopResult]: At program point  L162(line 162)  the Hoare annotation is:  (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3)))
[2020-07-20 13:01:14,821 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 251 259)  no Hoare annotation was computed.
[2020-07-20 13:01:14,821 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 251 259)  the Hoare annotation is:  true
[2020-07-20 13:01:14,821 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 251 259)  no Hoare annotation was computed.
[2020-07-20 13:01:14,821 INFO  L268        CegarLoopResult]: For program point  L290-1(line 290)  no Hoare annotation was computed.
[2020-07-20 13:01:14,821 INFO  L268        CegarLoopResult]: For program point  L279(lines 279 287)  no Hoare annotation was computed.
[2020-07-20 13:01:14,821 INFO  L268        CegarLoopResult]: For program point  L279-2(lines 279 287)  no Hoare annotation was computed.
[2020-07-20 13:01:14,821 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 260 295)  no Hoare annotation was computed.
[2020-07-20 13:01:14,822 INFO  L268        CegarLoopResult]: For program point  L267(lines 267 275)  no Hoare annotation was computed.
[2020-07-20 13:01:14,822 INFO  L268        CegarLoopResult]: For program point  L267-2(lines 267 275)  no Hoare annotation was computed.
[2020-07-20 13:01:14,822 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 260 295)  no Hoare annotation was computed.
[2020-07-20 13:01:14,822 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 260 295)  no Hoare annotation was computed.
[2020-07-20 13:01:14,822 INFO  L268        CegarLoopResult]: For program point  L290(line 290)  no Hoare annotation was computed.
[2020-07-20 13:01:14,822 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 434 440)  no Hoare annotation was computed.
[2020-07-20 13:01:14,822 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 434 440)  the Hoare annotation is:  true
[2020-07-20 13:01:14,822 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 594 639)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 594 639)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 594 639)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  L927(lines 927 934)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 907 952)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  L921(lines 921 941)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  L921-1(lines 921 941)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 907 952)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 907 952)  no Hoare annotation was computed.
[2020-07-20 13:01:14,823 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 386 395)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,824 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 386 395)  no Hoare annotation was computed.
[2020-07-20 13:01:14,824 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 386 395)  no Hoare annotation was computed.
[2020-07-20 13:01:14,824 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 240 250)  the Hoare annotation is:  true
[2020-07-20 13:01:14,824 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 240 250)  no Hoare annotation was computed.
[2020-07-20 13:01:14,824 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 240 250)  no Hoare annotation was computed.
[2020-07-20 13:01:14,824 INFO  L271        CegarLoopResult]: At program point  L245(line 245)  the Hoare annotation is:  true
[2020-07-20 13:01:14,824 INFO  L268        CegarLoopResult]: For program point  L245-1(line 245)  no Hoare annotation was computed.
[2020-07-20 13:01:14,825 INFO  L264        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 232 239)  the Hoare annotation is:  (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)))))
[2020-07-20 13:01:14,825 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 232 239)  no Hoare annotation was computed.
[2020-07-20 13:01:14,825 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 232 239)  no Hoare annotation was computed.
[2020-07-20 13:01:14,825 INFO  L268        CegarLoopResult]: For program point  L577(lines 577 583)  no Hoare annotation was computed.
[2020-07-20 13:01:14,825 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 573 586)  no Hoare annotation was computed.
[2020-07-20 13:01:14,825 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 573 586)  the Hoare annotation is:  true
[2020-07-20 13:01:14,825 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 573 586)  no Hoare annotation was computed.
[2020-07-20 13:01:14,825 INFO  L264        CegarLoopResult]: At program point  L192(line 192)  the Hoare annotation is:  (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2)))
[2020-07-20 13:01:14,826 INFO  L268        CegarLoopResult]: For program point  L190(lines 190 198)  no Hoare annotation was computed.
[2020-07-20 13:01:14,826 INFO  L264        CegarLoopResult]: At program point  L188(line 188)  the Hoare annotation is:  (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1)))
[2020-07-20 13:01:14,826 INFO  L268        CegarLoopResult]: For program point  L188-1(line 188)  no Hoare annotation was computed.
[2020-07-20 13:01:14,826 INFO  L268        CegarLoopResult]: For program point  L186(lines 186 203)  no Hoare annotation was computed.
[2020-07-20 13:01:14,826 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 182 206)  no Hoare annotation was computed.
[2020-07-20 13:01:14,826 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 182 206)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1)))
[2020-07-20 13:01:14,827 INFO  L264        CegarLoopResult]: At program point  L201(line 201)  the Hoare annotation is:  (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse0 .cse3)))
[2020-07-20 13:01:14,827 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 182 206)  no Hoare annotation was computed.
[2020-07-20 13:01:14,827 INFO  L264        CegarLoopResult]: At program point  L196(line 196)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1)))
[2020-07-20 13:01:14,827 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 148 154)  no Hoare annotation was computed.
[2020-07-20 13:01:14,827 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 148 154)  the Hoare annotation is:  true
[2020-07-20 13:01:14,827 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 45 110)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,827 INFO  L268        CegarLoopResult]: For program point  L93(lines 93 97)  no Hoare annotation was computed.
[2020-07-20 13:01:14,828 INFO  L264        CegarLoopResult]: At program point  L93-2(lines 85 98)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:01:14,828 INFO  L268        CegarLoopResult]: For program point  L56(lines 55 102)  no Hoare annotation was computed.
[2020-07-20 13:01:14,828 INFO  L264        CegarLoopResult]: At program point  L87(line 87)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:01:14,828 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 45 110)  no Hoare annotation was computed.
[2020-07-20 13:01:14,828 INFO  L268        CegarLoopResult]: For program point  L85(lines 85 98)  no Hoare annotation was computed.
[2020-07-20 13:01:14,828 INFO  L264        CegarLoopResult]: At program point  L77(line 77)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:01:14,829 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 81)  no Hoare annotation was computed.
[2020-07-20 13:01:14,829 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 75 81)  no Hoare annotation was computed.
[2020-07-20 13:01:14,829 INFO  L264        CegarLoopResult]: At program point  L100(lines 55 102)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:01:14,829 INFO  L264        CegarLoopResult]: At program point  L67(line 67)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:01:14,829 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 71)  no Hoare annotation was computed.
[2020-07-20 13:01:14,829 INFO  L268        CegarLoopResult]: For program point  L65-1(lines 65 71)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  L57(lines 57 61)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L264        CegarLoopResult]: At program point  L103(lines 54 104)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 45 110)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 861 906)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 861 906)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  L881(lines 881 888)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 861 906)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  L875(lines 875 895)  no Hoare annotation was computed.
[2020-07-20 13:01:14,830 INFO  L268        CegarLoopResult]: For program point  L875-1(lines 875 895)  no Hoare annotation was computed.
[2020-07-20 13:01:14,831 INFO  L264        CegarLoopResult]: At program point  activatePump__wrappee__highWaterSensorENTRY(lines 207 214)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0))
[2020-07-20 13:01:14,831 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorEXIT(lines 207 214)  no Hoare annotation was computed.
[2020-07-20 13:01:14,831 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorFINAL(lines 207 214)  no Hoare annotation was computed.
[2020-07-20 13:01:14,831 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 541 563)  no Hoare annotation was computed.
[2020-07-20 13:01:14,831 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 541 563)  no Hoare annotation was computed.
[2020-07-20 13:01:14,831 INFO  L268        CegarLoopResult]: For program point  L549(lines 549 557)  no Hoare annotation was computed.
[2020-07-20 13:01:14,831 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 541 563)  no Hoare annotation was computed.
[2020-07-20 13:01:14,831 INFO  L268        CegarLoopResult]: For program point  L549-2(lines 549 557)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 424 433)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 424 433)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 424 433)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 758 860)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  L828(lines 806 829)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  L787(lines 787 803)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  L847(lines 847 854)  no Hoare annotation was computed.
[2020-07-20 13:01:14,832 INFO  L268        CegarLoopResult]: For program point  L808(lines 807 827)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  L839(line 839)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  L839-1(line 839)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 758 860)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  L804(lines 804 845)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  L823(line 823)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  L823-1(line 823)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 758 860)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  L782(lines 782 786)  no Hoare annotation was computed.
[2020-07-20 13:01:14,833 INFO  L268        CegarLoopResult]: For program point  L846(lines 846 857)  no Hoare annotation was computed.
[2020-07-20 13:01:14,834 INFO  L268        CegarLoopResult]: For program point  L809(lines 809 813)  no Hoare annotation was computed.
[2020-07-20 13:01:14,834 INFO  L268        CegarLoopResult]: For program point  L807-2(lines 807 827)  no Hoare annotation was computed.
[2020-07-20 13:01:14,834 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:01:14,834 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (= ~pumpRunning~0 |old(~pumpRunning~0)|)
[2020-07-20 13:01:14,834 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:01:14,834 INFO  L268        CegarLoopResult]: For program point  L226-1(lines 215 231)  no Hoare annotation was computed.
[2020-07-20 13:01:14,834 INFO  L268        CegarLoopResult]: For program point  L222(lines 222 228)  no Hoare annotation was computed.
[2020-07-20 13:01:14,835 INFO  L264        CegarLoopResult]: At program point  L220(line 220)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-20 13:01:14,835 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 215 231)  no Hoare annotation was computed.
[2020-07-20 13:01:14,835 INFO  L268        CegarLoopResult]: For program point  L220-1(line 220)  no Hoare annotation was computed.
[2020-07-20 13:01:14,835 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 215 231)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-20 13:01:14,835 INFO  L264        CegarLoopResult]: At program point  L226(line 226)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:01:14,835 INFO  L268        CegarLoopResult]: For program point  L305(lines 305 309)  no Hoare annotation was computed.
[2020-07-20 13:01:14,835 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 296 314)  no Hoare annotation was computed.
[2020-07-20 13:01:14,836 INFO  L271        CegarLoopResult]: At program point  L303(line 303)  the Hoare annotation is:  true
[2020-07-20 13:01:14,836 INFO  L268        CegarLoopResult]: For program point  L305-2(lines 305 309)  no Hoare annotation was computed.
[2020-07-20 13:01:14,836 INFO  L268        CegarLoopResult]: For program point  L303-1(line 303)  no Hoare annotation was computed.
[2020-07-20 13:01:14,836 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 296 314)  the Hoare annotation is:  true
[2020-07-20 13:01:14,836 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 296 314)  no Hoare annotation was computed.
[2020-07-20 13:01:14,836 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 564 572)  no Hoare annotation was computed.
[2020-07-20 13:01:14,836 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 564 572)  no Hoare annotation was computed.
[2020-07-20 13:01:14,836 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 564 572)  no Hoare annotation was computed.
[2020-07-20 13:01:14,837 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 520 531)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)))))
[2020-07-20 13:01:14,837 INFO  L268        CegarLoopResult]: For program point  L524-1(lines 520 531)  no Hoare annotation was computed.
[2020-07-20 13:01:14,837 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 520 531)  no Hoare annotation was computed.
[2020-07-20 13:01:14,837 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:01:14,837 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 13:01:14,837 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:01:14,837 INFO  L268        CegarLoopResult]: For program point  L128(lines 127 146)  no Hoare annotation was computed.
[2020-07-20 13:01:14,837 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 124 147)  the Hoare annotation is:  (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4)))
[2020-07-20 13:01:14,838 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 124 147)  no Hoare annotation was computed.
[2020-07-20 13:01:14,838 INFO  L264        CegarLoopResult]: At program point  L137(line 137)  the Hoare annotation is:  (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4)))
[2020-07-20 13:01:14,838 INFO  L264        CegarLoopResult]: At program point  L135(lines 135 141)  the Hoare annotation is:  (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not .cse2) .cse3 .cse4) (or .cse1 .cse5 .cse4) (or .cse2 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6)))
[2020-07-20 13:01:14,838 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 124 147)  no Hoare annotation was computed.
[2020-07-20 13:01:14,838 INFO  L264        CegarLoopResult]: At program point  L130(line 130)  the Hoare annotation is:  (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1) (or .cse5 .cse0 .cse3 .cse6)))
[2020-07-20 13:01:14,838 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 325 354)  no Hoare annotation was computed.
[2020-07-20 13:01:14,839 INFO  L271        CegarLoopResult]: At program point  L350(lines 325 354)  the Hoare annotation is:  true
[2020-07-20 13:01:14,839 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 325 354)  the Hoare annotation is:  true
[2020-07-20 13:01:14,839 INFO  L268        CegarLoopResult]: For program point  L346(line 346)  no Hoare annotation was computed.
[2020-07-20 13:01:14,839 INFO  L268        CegarLoopResult]: For program point  L339(lines 339 343)  no Hoare annotation was computed.
[2020-07-20 13:01:14,839 INFO  L271        CegarLoopResult]: At program point  L339-1(lines 339 343)  the Hoare annotation is:  true
[2020-07-20 13:01:14,839 INFO  L268        CegarLoopResult]: For program point  L336(line 336)  no Hoare annotation was computed.
[2020-07-20 13:01:14,839 INFO  L271        CegarLoopResult]: At program point  L335-2(lines 335 349)  the Hoare annotation is:  true
[2020-07-20 13:01:14,839 INFO  L271        CegarLoopResult]: At program point  L331(line 331)  the Hoare annotation is:  true
[2020-07-20 13:01:14,839 INFO  L268        CegarLoopResult]: For program point  L331-1(line 331)  no Hoare annotation was computed.
[2020-07-20 13:01:14,840 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 532 540)  the Hoare annotation is:  true
[2020-07-20 13:01:14,840 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 532 540)  no Hoare annotation was computed.
[2020-07-20 13:01:14,840 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 532 540)  no Hoare annotation was computed.
[2020-07-20 13:01:14,840 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 496 507)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3)))
[2020-07-20 13:01:14,840 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 496 507)  no Hoare annotation was computed.
[2020-07-20 13:01:14,840 INFO  L268        CegarLoopResult]: For program point  L500-1(lines 496 507)  no Hoare annotation was computed.
[2020-07-20 13:01:14,840 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 379 385)  no Hoare annotation was computed.
[2020-07-20 13:01:14,840 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 379 385)  the Hoare annotation is:  true
[2020-07-20 13:01:14,841 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:01:14,841 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-20 13:01:14,841 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 13:01:14,841 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:01:14,841 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 315 322)  no Hoare annotation was computed.
[2020-07-20 13:01:14,841 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 315 322)  the Hoare annotation is:  (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1)))
[2020-07-20 13:01:14,841 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 315 322)  no Hoare annotation was computed.
[2020-07-20 13:01:14,841 INFO  L268        CegarLoopResult]: For program point  L512-1(lines 508 519)  no Hoare annotation was computed.
[2020-07-20 13:01:14,842 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 508 519)  no Hoare annotation was computed.
[2020-07-20 13:01:14,842 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 508 519)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= 0 ~pumpRunning~0)))))
[2020-07-20 13:01:14,842 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 458 465)  no Hoare annotation was computed.
[2020-07-20 13:01:14,842 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462)  no Hoare annotation was computed.
[2020-07-20 13:01:14,842 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 458 465)  the Hoare annotation is:  true
[2020-07-20 13:01:14,842 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 458 465)  no Hoare annotation was computed.
[2020-07-20 13:01:14,843 INFO  L264        CegarLoopResult]: At program point  L481(line 481)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0)))))
[2020-07-20 13:01:14,843 INFO  L268        CegarLoopResult]: For program point  L479(lines 479 485)  no Hoare annotation was computed.
[2020-07-20 13:01:14,843 INFO  L264        CegarLoopResult]: At program point  L477(line 477)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0)))
[2020-07-20 13:01:14,843 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 467 491)  the Hoare annotation is:  true
[2020-07-20 13:01:14,843 INFO  L268        CegarLoopResult]: For program point  L477-1(line 477)  no Hoare annotation was computed.
[2020-07-20 13:01:14,843 INFO  L268        CegarLoopResult]: For program point  L475(lines 475 488)  no Hoare annotation was computed.
[2020-07-20 13:01:14,843 INFO  L268        CegarLoopResult]: For program point  L475-1(lines 467 491)  no Hoare annotation was computed.
[2020-07-20 13:01:14,843 INFO  L271        CegarLoopResult]: At program point  L473(line 473)  the Hoare annotation is:  true
[2020-07-20 13:01:14,843 INFO  L268        CegarLoopResult]: For program point  L473-1(line 473)  no Hoare annotation was computed.
[2020-07-20 13:01:14,843 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 467 491)  no Hoare annotation was computed.
[2020-07-20 13:01:14,864 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:14 BoogieIcfgContainer
[2020-07-20 13:01:14,864 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:01:14,867 INFO  L168              Benchmark]: Toolchain (without parser) took 16162.16 ms. Allocated memory was 144.7 MB in the beginning and 395.3 MB in the end (delta: 250.6 MB). Free memory was 101.2 MB in the beginning and 308.2 MB in the end (delta: -207.0 MB). Peak memory consumption was 233.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:14,872 INFO  L168              Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:01:14,874 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 711.65 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 170.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:14,880 INFO  L168              Benchmark]: Boogie Preprocessor took 91.28 ms. Allocated memory is still 202.4 MB. Free memory was 170.5 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:14,882 INFO  L168              Benchmark]: RCFGBuilder took 1206.69 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 165.7 MB in the beginning and 195.7 MB in the end (delta: -30.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:14,884 INFO  L168              Benchmark]: TraceAbstraction took 14146.80 ms. Allocated memory was 233.8 MB in the beginning and 395.3 MB in the end (delta: 161.5 MB). Free memory was 195.7 MB in the beginning and 308.2 MB in the end (delta: -112.5 MB). Peak memory consumption was 239.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:14,889 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.50 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 711.65 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 170.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 91.28 ms. Allocated memory is still 202.4 MB. Free memory was 170.5 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1206.69 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 165.7 MB in the beginning and 195.7 MB in the end (delta: -30.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 14146.80 ms. Allocated memory was 233.8 MB in the beginning and 395.3 MB in the end (delta: 161.5 MB). Free memory was 195.7 MB in the beginning and 308.2 MB in the end (delta: -112.5 MB). Peak memory consumption was 239.2 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 462]: 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: 54]: Loop Invariant
    Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 335]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 325]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 55]: Loop Invariant
    Derived loop invariant: ((((((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(\old(waterLevel) <= 1)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive))
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1908 SDtfs, 741 SDslu, 3339 SDs, 0 SdLazy, 984 SolverSat, 140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 927 GetRequests, 884 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=635occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 36 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1307 PreInvPairs, 1376 NumberOfFragments, 1517 HoareAnnotationTreeSize, 1307 FomulaSimplifications, 671 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 62 FomulaSimplificationsInter, 4652 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 931 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 920 ConstructedInterpolants, 0 QuantifiedInterpolants, 150922 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7926 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 64/64 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...