/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_spec5_product41.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 13:04:36,279 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:04:36,281 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:04:36,299 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:04:36,299 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:04:36,301 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:04:36,303 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:04:36,316 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:04:36,318 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:04:36,319 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:04:36,321 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:04:36,322 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:04:36,323 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:04:36,327 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:04:36,329 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:04:36,331 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:04:36,333 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:04:36,334 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:04:36,336 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:04:36,342 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:04:36,346 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:04:36,347 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:04:36,349 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:04:36,349 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:04:36,352 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:04:36,353 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:04:36,353 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:04:36,355 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:04:36,356 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:04:36,358 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:04:36,358 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:04:36,359 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:04:36,360 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:04:36,361 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:04:36,365 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:04:36,365 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:04:36,366 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:04:36,366 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:04:36,366 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:04:36,367 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:04:36,368 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:04:36,369 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 13:04:36,391 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 13:04:36,391 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:04:36,394 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:04:36,394 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 13:04:36,394 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 13:04:36,395 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:04:36,395 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 13:04:36,395 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 13:04:36,395 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 13:04:36,395 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 13:04:36,397 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:04:36,397 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:04:36,397 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:04:36,397 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 13:04:36,398 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 13:04:36,398 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 13:04:36,398 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:04:36,398 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:04:36,399 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 13:04:36,399 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 13:04:36,399 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 13:04:36,399 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:04:36,399 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:04:36,400 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:04:36,400 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:04:36,400 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 13:04:36,400 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:36,400 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:04:36,400 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 13:04:36,401 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 13:04:36,729 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:04:36,743 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:04:36,746 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:04:36,748 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 13:04:36,748 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 13:04:36,749 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c
[2020-07-20 13:04:36,823 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a8976f/41b249847e4f43f69561a99d21ce5ec1/FLAG1890e79f3
[2020-07-20 13:04:37,343 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 13:04:37,344 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c
[2020-07-20 13:04:37,373 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a8976f/41b249847e4f43f69561a99d21ce5ec1/FLAG1890e79f3
[2020-07-20 13:04:37,661 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a8976f/41b249847e4f43f69561a99d21ce5ec1
[2020-07-20 13:04:37,670 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:04:37,673 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:04:37,674 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:37,674 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:04:37,678 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:04:37,679 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:37" (1/1) ...
[2020-07-20 13:04:37,682 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b69c051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:37, skipping insertion in model container
[2020-07-20 13:04:37,682 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:37" (1/1) ...
[2020-07-20 13:04:37,690 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 13:04:37,740 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:04:38,335 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:38,354 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 13:04:38,420 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:38,468 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 13:04:38,469 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38 WrapperNode
[2020-07-20 13:04:38,469 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:38,470 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:04:38,470 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:04:38,470 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:04:38,480 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,481 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,499 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,499 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,530 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,540 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,546 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,553 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:04:38,554 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:04:38,554 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:04:38,554 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:04:38,555 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (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 13:04:38,610 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:04:38,611 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:04:38,611 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:38,611 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:38,611 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:38,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:38,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:04:38,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:04:38,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:04:38,613 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:04:38,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:04:38,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:04:38,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:04:38,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:04:38,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:04:38,615 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:04:38,615 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:04:38,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:04:38,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:04:38,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:38,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:04:38,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:04:38,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:04:38,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:04:38,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:04:38,618 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:04:38,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:04:38,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:04:38,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:04:38,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:38,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:38,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:38,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:04:38,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:04:38,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:04:38,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:04:38,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:04:38,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:04:38,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:04:38,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:04:38,622 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:04:38,622 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:04:38,622 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:04:38,622 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:04:38,622 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:04:38,622 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:04:38,622 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:38,624 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:38,624 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:38,624 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:04:38,624 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:04:38,625 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:04:38,625 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:04:38,625 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:04:38,625 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:04:38,625 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:04:38,626 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:04:38,626 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:04:38,626 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:04:38,626 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:04:38,627 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:04:38,627 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:04:38,627 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:04:38,627 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:04:38,627 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:04:38,627 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:04:38,627 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:04:38,628 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:04:38,628 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:04:38,628 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:04:38,628 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:38,628 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:04:38,629 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:04:38,629 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:04:38,629 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:04:38,630 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:04:38,630 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:04:38,630 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:38,631 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:04:38,631 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:04:38,631 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:04:38,632 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:04:38,632 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:38,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:04:38,632 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:38,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:38,632 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:04:38,632 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:04:38,633 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:04:38,633 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:04:38,633 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:04:38,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:04:38,633 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:04:38,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:04:39,772 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:04:39,772 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:04:39,780 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:39 BoogieIcfgContainer
[2020-07-20 13:04:39,780 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:04:39,782 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:04:39,782 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:04:39,785 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:04:39,785 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:37" (1/3) ...
[2020-07-20 13:04:39,786 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156656c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:39, skipping insertion in model container
[2020-07-20 13:04:39,786 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (2/3) ...
[2020-07-20 13:04:39,786 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156656c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:39, skipping insertion in model container
[2020-07-20 13:04:39,787 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:39" (3/3) ...
[2020-07-20 13:04:39,788 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c
[2020-07-20 13:04:39,799 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:04:39,810 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:04:39,825 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:04:39,852 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:04:39,853 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 13:04:39,853 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:04:39,853 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:04:39,853 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:04:39,853 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 13:04:39,853 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:04:39,853 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:04:39,873 INFO  L276                IsEmpty]: Start isEmpty. Operand 173 states.
[2020-07-20 13:04:39,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-07-20 13:04:39,883 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:39,884 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]
[2020-07-20 13:04:39,885 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:39,889 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:39,890 INFO  L82        PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times
[2020-07-20 13:04:39,896 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:39,897 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038776410]
[2020-07-20 13:04:39,897 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 13:04:40,443 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:40,444 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:40,451 INFO  L263         TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:04:40,460 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:40,493 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 13:04:40,493 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:40,495 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038776410]
[2020-07-20 13:04:40,495 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:40,496 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:04:40,496 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428275192]
[2020-07-20 13:04:40,501 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:04:40,502 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:40,515 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:04:40,516 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:04:40,518 INFO  L87              Difference]: Start difference. First operand 173 states. Second operand 2 states.
[2020-07-20 13:04:40,556 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:40,557 INFO  L93              Difference]: Finished difference Result 256 states and 315 transitions.
[2020-07-20 13:04:40,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 13:04:40,558 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2020-07-20 13:04:40,559 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:40,569 INFO  L225             Difference]: With dead ends: 256
[2020-07-20 13:04:40,569 INFO  L226             Difference]: Without dead ends: 130
[2020-07-20 13:04:40,574 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 13:04:40,590 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2020-07-20 13:04:40,623 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2020-07-20 13:04:40,624 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-07-20 13:04:40,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions.
[2020-07-20 13:04:40,629 INFO  L78                 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59
[2020-07-20 13:04:40,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:40,630 INFO  L479      AbstractCegarLoop]: Abstraction has 130 states and 151 transitions.
[2020-07-20 13:04:40,630 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:04:40,630 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions.
[2020-07-20 13:04:40,634 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-07-20 13:04:40,634 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:40,635 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]
[2020-07-20 13:04:40,849 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:40,850 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:40,851 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:40,851 INFO  L82        PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times
[2020-07-20 13:04:40,852 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:40,852 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389834462]
[2020-07-20 13:04:40,852 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 13:04:41,348 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:41,348 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:41,355 INFO  L263         TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:04:41,364 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:41,413 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 13:04:41,413 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:41,413 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389834462]
[2020-07-20 13:04:41,413 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:41,414 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:41,414 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052734974]
[2020-07-20 13:04:41,417 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:41,418 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:41,418 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:41,418 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:41,419 INFO  L87              Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states.
[2020-07-20 13:04:41,468 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:41,468 INFO  L93              Difference]: Finished difference Result 232 states and 277 transitions.
[2020-07-20 13:04:41,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:04:41,470 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 64
[2020-07-20 13:04:41,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:41,474 INFO  L225             Difference]: With dead ends: 232
[2020-07-20 13:04:41,475 INFO  L226             Difference]: Without dead ends: 130
[2020-07-20 13:04:41,477 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 13:04:41,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2020-07-20 13:04:41,503 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2020-07-20 13:04:41,503 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-07-20 13:04:41,508 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions.
[2020-07-20 13:04:41,509 INFO  L78                 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64
[2020-07-20 13:04:41,511 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:41,511 INFO  L479      AbstractCegarLoop]: Abstraction has 130 states and 150 transitions.
[2020-07-20 13:04:41,511 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:41,511 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions.
[2020-07-20 13:04:41,521 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-07-20 13:04:41,521 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:41,522 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]
[2020-07-20 13:04:41,735 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:41,736 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:41,737 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:41,737 INFO  L82        PathProgramCache]: Analyzing trace with hash 1723625407, now seen corresponding path program 1 times
[2020-07-20 13:04:41,737 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:41,738 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097773734]
[2020-07-20 13:04:41,738 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 13:04:42,078 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:42,078 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:42,083 INFO  L263         TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:04:42,087 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:42,109 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 13:04:42,109 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:42,109 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097773734]
[2020-07-20 13:04:42,110 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:42,110 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:42,110 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297769100]
[2020-07-20 13:04:42,111 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:42,111 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:42,111 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:42,111 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:42,112 INFO  L87              Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 3 states.
[2020-07-20 13:04:42,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:42,149 INFO  L93              Difference]: Finished difference Result 205 states and 235 transitions.
[2020-07-20 13:04:42,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:04:42,151 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 68
[2020-07-20 13:04:42,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:42,153 INFO  L225             Difference]: With dead ends: 205
[2020-07-20 13:04:42,153 INFO  L226             Difference]: Without dead ends: 121
[2020-07-20 13:04:42,155 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 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 13:04:42,156 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2020-07-20 13:04:42,176 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2020-07-20 13:04:42,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2020-07-20 13:04:42,180 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions.
[2020-07-20 13:04:42,181 INFO  L78                 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 68
[2020-07-20 13:04:42,183 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:42,183 INFO  L479      AbstractCegarLoop]: Abstraction has 121 states and 138 transitions.
[2020-07-20 13:04:42,183 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:42,183 INFO  L276                IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions.
[2020-07-20 13:04:42,185 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-07-20 13:04:42,185 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:42,185 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]
[2020-07-20 13:04:42,386 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:42,387 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:42,387 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:42,387 INFO  L82        PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times
[2020-07-20 13:04:42,388 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:42,388 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004038665]
[2020-07-20 13:04:42,389 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 13:04:42,892 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:42,892 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:42,898 INFO  L263         TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 13:04:42,902 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:42,947 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 13:04:42,947 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:42,948 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004038665]
[2020-07-20 13:04:42,948 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:42,948 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:42,948 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422161946]
[2020-07-20 13:04:42,949 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:42,949 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:42,949 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:42,949 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:42,950 INFO  L87              Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 6 states.
[2020-07-20 13:04:43,520 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:43,520 INFO  L93              Difference]: Finished difference Result 275 states and 324 transitions.
[2020-07-20 13:04:43,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:04:43,526 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 72
[2020-07-20 13:04:43,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:43,528 INFO  L225             Difference]: With dead ends: 275
[2020-07-20 13:04:43,529 INFO  L226             Difference]: Without dead ends: 182
[2020-07-20 13:04:43,530 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 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 13:04:43,532 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2020-07-20 13:04:43,549 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179.
[2020-07-20 13:04:43,549 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 179 states.
[2020-07-20 13:04:43,551 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 204 transitions.
[2020-07-20 13:04:43,551 INFO  L78                 Accepts]: Start accepts. Automaton has 179 states and 204 transitions. Word has length 72
[2020-07-20 13:04:43,552 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:43,552 INFO  L479      AbstractCegarLoop]: Abstraction has 179 states and 204 transitions.
[2020-07-20 13:04:43,552 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:43,552 INFO  L276                IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions.
[2020-07-20 13:04:43,553 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2020-07-20 13:04:43,553 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:43,553 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]
[2020-07-20 13:04:43,760 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:43,761 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:43,762 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:43,762 INFO  L82        PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times
[2020-07-20 13:04:43,762 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:43,763 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935015715]
[2020-07-20 13:04:43,763 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 13:04:44,169 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:44,170 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:44,173 INFO  L263         TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:04:44,177 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:44,218 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 13:04:44,218 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:44,219 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935015715]
[2020-07-20 13:04:44,219 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:44,219 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:44,220 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289542256]
[2020-07-20 13:04:44,220 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:44,221 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:44,221 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:44,221 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:44,222 INFO  L87              Difference]: Start difference. First operand 179 states and 204 transitions. Second operand 6 states.
[2020-07-20 13:04:44,447 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:44,447 INFO  L93              Difference]: Finished difference Result 333 states and 385 transitions.
[2020-07-20 13:04:44,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:04:44,448 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 86
[2020-07-20 13:04:44,449 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:44,454 INFO  L225             Difference]: With dead ends: 333
[2020-07-20 13:04:44,455 INFO  L226             Difference]: Without dead ends: 182
[2020-07-20 13:04:44,456 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 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 13:04:44,456 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2020-07-20 13:04:44,473 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178.
[2020-07-20 13:04:44,473 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 178 states.
[2020-07-20 13:04:44,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 201 transitions.
[2020-07-20 13:04:44,475 INFO  L78                 Accepts]: Start accepts. Automaton has 178 states and 201 transitions. Word has length 86
[2020-07-20 13:04:44,475 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:44,475 INFO  L479      AbstractCegarLoop]: Abstraction has 178 states and 201 transitions.
[2020-07-20 13:04:44,475 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:44,476 INFO  L276                IsEmpty]: Start isEmpty. Operand 178 states and 201 transitions.
[2020-07-20 13:04:44,477 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-07-20 13:04:44,477 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:44,477 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]
[2020-07-20 13:04:44,690 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:44,691 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:44,691 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:44,692 INFO  L82        PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times
[2020-07-20 13:04:44,692 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:44,692 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616859117]
[2020-07-20 13:04:44,693 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 13:04:45,040 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:45,041 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:45,045 INFO  L263         TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:04:45,054 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:45,094 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 13:04:45,094 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:45,094 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616859117]
[2020-07-20 13:04:45,094 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:45,095 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:45,095 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762293882]
[2020-07-20 13:04:45,095 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:45,096 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:45,096 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:45,096 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:45,096 INFO  L87              Difference]: Start difference. First operand 178 states and 201 transitions. Second operand 6 states.
[2020-07-20 13:04:45,153 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:45,153 INFO  L93              Difference]: Finished difference Result 335 states and 386 transitions.
[2020-07-20 13:04:45,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:04:45,157 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 102
[2020-07-20 13:04:45,157 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:45,159 INFO  L225             Difference]: With dead ends: 335
[2020-07-20 13:04:45,159 INFO  L226             Difference]: Without dead ends: 185
[2020-07-20 13:04:45,160 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 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 13:04:45,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 185 states.
[2020-07-20 13:04:45,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183.
[2020-07-20 13:04:45,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 183 states.
[2020-07-20 13:04:45,177 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 206 transitions.
[2020-07-20 13:04:45,178 INFO  L78                 Accepts]: Start accepts. Automaton has 183 states and 206 transitions. Word has length 102
[2020-07-20 13:04:45,178 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:45,178 INFO  L479      AbstractCegarLoop]: Abstraction has 183 states and 206 transitions.
[2020-07-20 13:04:45,178 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:45,179 INFO  L276                IsEmpty]: Start isEmpty. Operand 183 states and 206 transitions.
[2020-07-20 13:04:45,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-07-20 13:04:45,180 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:45,180 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]
[2020-07-20 13:04:45,395 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:45,396 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:45,397 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:45,397 INFO  L82        PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times
[2020-07-20 13:04:45,397 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:45,398 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054896764]
[2020-07-20 13:04:45,398 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 13:04:45,827 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:45,828 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:45,833 INFO  L263         TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:04:45,837 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:45,870 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 13:04:45,870 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:45,871 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054896764]
[2020-07-20 13:04:45,871 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:45,871 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:04:45,871 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121142224]
[2020-07-20 13:04:45,872 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:04:45,872 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:45,873 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:04:45,873 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:04:45,873 INFO  L87              Difference]: Start difference. First operand 183 states and 206 transitions. Second operand 5 states.
[2020-07-20 13:04:45,895 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:45,895 INFO  L93              Difference]: Finished difference Result 345 states and 397 transitions.
[2020-07-20 13:04:45,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 13:04:45,896 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 102
[2020-07-20 13:04:45,896 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:45,898 INFO  L225             Difference]: With dead ends: 345
[2020-07-20 13:04:45,898 INFO  L226             Difference]: Without dead ends: 190
[2020-07-20 13:04:45,899 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 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 13:04:45,900 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2020-07-20 13:04:45,913 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187.
[2020-07-20 13:04:45,913 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 187 states.
[2020-07-20 13:04:45,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 210 transitions.
[2020-07-20 13:04:45,915 INFO  L78                 Accepts]: Start accepts. Automaton has 187 states and 210 transitions. Word has length 102
[2020-07-20 13:04:45,916 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:45,916 INFO  L479      AbstractCegarLoop]: Abstraction has 187 states and 210 transitions.
[2020-07-20 13:04:45,916 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:04:45,916 INFO  L276                IsEmpty]: Start isEmpty. Operand 187 states and 210 transitions.
[2020-07-20 13:04:45,917 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-07-20 13:04:45,917 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:45,918 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]
[2020-07-20 13:04:46,130 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:46,131 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:46,131 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:46,132 INFO  L82        PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times
[2020-07-20 13:04:46,132 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:46,132 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434504348]
[2020-07-20 13:04:46,132 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 13:04:46,551 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:46,552 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:46,557 INFO  L263         TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:04:46,561 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:46,587 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 13:04:46,587 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:46,588 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434504348]
[2020-07-20 13:04:46,588 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:46,588 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:46,588 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575543253]
[2020-07-20 13:04:46,589 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:46,607 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:46,608 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:46,608 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:46,609 INFO  L87              Difference]: Start difference. First operand 187 states and 210 transitions. Second operand 3 states.
[2020-07-20 13:04:46,671 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:46,672 INFO  L93              Difference]: Finished difference Result 462 states and 544 transitions.
[2020-07-20 13:04:46,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:04:46,674 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 102
[2020-07-20 13:04:46,674 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:46,680 INFO  L225             Difference]: With dead ends: 462
[2020-07-20 13:04:46,681 INFO  L226             Difference]: Without dead ends: 303
[2020-07-20 13:04:46,683 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 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 13:04:46,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 303 states.
[2020-07-20 13:04:46,722 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300.
[2020-07-20 13:04:46,722 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 300 states.
[2020-07-20 13:04:46,725 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 348 transitions.
[2020-07-20 13:04:46,725 INFO  L78                 Accepts]: Start accepts. Automaton has 300 states and 348 transitions. Word has length 102
[2020-07-20 13:04:46,726 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:46,726 INFO  L479      AbstractCegarLoop]: Abstraction has 300 states and 348 transitions.
[2020-07-20 13:04:46,726 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:46,726 INFO  L276                IsEmpty]: Start isEmpty. Operand 300 states and 348 transitions.
[2020-07-20 13:04:46,730 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2020-07-20 13:04:46,731 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:46,731 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, 1, 1, 1]
[2020-07-20 13:04:46,946 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:46,946 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:46,947 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:46,947 INFO  L82        PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times
[2020-07-20 13:04:46,947 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:46,948 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706136522]
[2020-07-20 13:04:46,948 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 13:04:47,278 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:47,278 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:47,283 INFO  L263         TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 22 conjunts are in the unsatisfiable core
[2020-07-20 13:04:47,286 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:47,394 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 13:04:47,395 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:47,395 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706136522]
[2020-07-20 13:04:47,395 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:47,395 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-20 13:04:47,396 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031088531]
[2020-07-20 13:04:47,396 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:04:47,396 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:47,396 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:04:47,397 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:04:47,397 INFO  L87              Difference]: Start difference. First operand 300 states and 348 transitions. Second operand 10 states.
[2020-07-20 13:04:48,654 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:48,654 INFO  L93              Difference]: Finished difference Result 774 states and 995 transitions.
[2020-07-20 13:04:48,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-07-20 13:04:48,655 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 106
[2020-07-20 13:04:48,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:48,663 INFO  L225             Difference]: With dead ends: 774
[2020-07-20 13:04:48,663 INFO  L226             Difference]: Without dead ends: 502
[2020-07-20 13:04:48,665 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380
[2020-07-20 13:04:48,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 502 states.
[2020-07-20 13:04:48,709 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 381.
[2020-07-20 13:04:48,709 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 381 states.
[2020-07-20 13:04:48,718 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 446 transitions.
[2020-07-20 13:04:48,720 INFO  L78                 Accepts]: Start accepts. Automaton has 381 states and 446 transitions. Word has length 106
[2020-07-20 13:04:48,722 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:48,722 INFO  L479      AbstractCegarLoop]: Abstraction has 381 states and 446 transitions.
[2020-07-20 13:04:48,722 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:04:48,722 INFO  L276                IsEmpty]: Start isEmpty. Operand 381 states and 446 transitions.
[2020-07-20 13:04:48,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2020-07-20 13:04:48,727 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:48,727 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:48,941 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:48,942 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:48,942 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:48,942 INFO  L82        PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times
[2020-07-20 13:04:48,942 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:48,943 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514368439]
[2020-07-20 13:04:48,943 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 13:04:49,317 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:49,318 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:49,322 INFO  L263         TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:04:49,325 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:49,392 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:49,392 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 13:04:49,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-07-20 13:04:49,765 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514368439]
[2020-07-20 13:04:49,766 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 13:04:49,766 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2020-07-20 13:04:49,766 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582348907]
[2020-07-20 13:04:49,767 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:04:49,767 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:49,767 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:04:49,767 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:04:49,768 INFO  L87              Difference]: Start difference. First operand 381 states and 446 transitions. Second operand 10 states.
[2020-07-20 13:04:50,537 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:50,537 INFO  L93              Difference]: Finished difference Result 423 states and 504 transitions.
[2020-07-20 13:04:50,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-07-20 13:04:50,538 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 149
[2020-07-20 13:04:50,539 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:50,539 INFO  L225             Difference]: With dead ends: 423
[2020-07-20 13:04:50,542 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 13:04:50,544 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210
[2020-07-20 13:04:50,544 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:04:50,546 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:04:50,546 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:04:50,546 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:04:50,547 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149
[2020-07-20 13:04:50,547 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:50,547 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:04:50,547 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:04:50,547 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:04:50,547 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:04:50,748 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:50,752 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:04:51,834 WARN  L193               SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36
[2020-07-20 13:04:51,996 WARN  L193               SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27
[2020-07-20 13:04:52,378 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39
[2020-07-20 13:04:52,750 WARN  L193               SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36
[2020-07-20 13:04:53,011 WARN  L193               SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31
[2020-07-20 13:04:53,366 WARN  L193               SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27
[2020-07-20 13:04:53,887 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41
[2020-07-20 13:04:54,117 WARN  L193               SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27
[2020-07-20 13:04:54,378 INFO  L268        CegarLoopResult]: For program point  L634(lines 611 635)  no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 587 642)  no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO  L268        CegarLoopResult]: For program point  L618(lines 618 622)  no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO  L268        CegarLoopResult]: For program point  L618-1(lines 618 622)  no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 587 642)  no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO  L268        CegarLoopResult]: For program point  L613(line 613)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 587 642)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  L612-2(lines 612 633)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  L670(line 670)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  L669-2(lines 669 694)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  L695(lines 668 696)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 643 702)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  L688(line 688)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  L688-1(line 688)  no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 643 702)  no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 643 702)  no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO  L268        CegarLoopResult]: For program point  L675(lines 675 679)  no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO  L268        CegarLoopResult]: For program point  L675-1(lines 675 679)  no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 919 925)  the Hoare annotation is:  true
[2020-07-20 13:04:54,381 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 919 925)  no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 926 934)  no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 926 934)  the Hoare annotation is:  true
[2020-07-20 13:04:54,382 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 926 934)  no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__1ENTRY(lines 44 51)  the Hoare annotation is:  true
[2020-07-20 13:04:54,382 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1EXIT(lines 44 51)  no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1FINAL(lines 44 51)  no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__2ENTRY(lines 52 61)  the Hoare annotation is:  (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0)))
[2020-07-20 13:04:54,382 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2EXIT(lines 52 61)  no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO  L268        CegarLoopResult]: For program point  L57(line 57)  no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2FINAL(lines 52 61)  no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__3ENTRY(lines 62 90)  the Hoare annotation is:  true
[2020-07-20 13:04:54,383 INFO  L264        CegarLoopResult]: At program point  L77(line 77)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-20 13:04:54,383 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__3EXIT(lines 62 90)  no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 81)  no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 84)  no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO  L264        CegarLoopResult]: At program point  L72(line 72)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 13:04:54,384 INFO  L268        CegarLoopResult]: For program point  L72-1(line 72)  no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO  L268        CegarLoopResult]: For program point  L70(lines 70 87)  no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO  L268        CegarLoopResult]: For program point  L70-1(lines 62 90)  no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO  L271        CegarLoopResult]: At program point  L68(line 68)  the Hoare annotation is:  true
[2020-07-20 13:04:54,384 INFO  L268        CegarLoopResult]: For program point  L68-1(line 68)  no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 271 293)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,385 INFO  L264        CegarLoopResult]: At program point  L283(line 283)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,385 INFO  L264        CegarLoopResult]: At program point  L283-1(line 283)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,385 INFO  L268        CegarLoopResult]: For program point  L281(lines 281 288)  no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 271 293)  no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO  L268        CegarLoopResult]: For program point  L281-1(lines 281 288)  no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO  L268        CegarLoopResult]: For program point  L279(line 279)  no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO  L264        CegarLoopResult]: At program point  L278(line 278)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,386 INFO  L264        CegarLoopResult]: At program point  L277(line 277)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,386 INFO  L264        CegarLoopResult]: At program point  L277-1(line 277)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,386 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 271 293)  no Hoare annotation was computed.
[2020-07-20 13:04:54,387 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 225 248)  no Hoare annotation was computed.
[2020-07-20 13:04:54,387 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 225 248)  no Hoare annotation was computed.
[2020-07-20 13:04:54,387 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 225 248)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L243(line 243)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L242(line 242)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L241(line 241)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L240(line 240)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L239(line 239)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L238(line 238)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L237(line 237)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L236(line 236)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L235(line 235)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L234(line 234)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L233(line 233)  no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO  L268        CegarLoopResult]: For program point  L232(line 232)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  L231(line 231)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  L230(line 230)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 405 413)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 405 413)  the Hoare annotation is:  true
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 405 413)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  L444(line 444)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  L444-1(line 444)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  L433(lines 433 441)  no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO  L268        CegarLoopResult]: For program point  L433-2(lines 433 441)  no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 414 449)  no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 414 449)  no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO  L268        CegarLoopResult]: For program point  L421(lines 421 429)  no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO  L268        CegarLoopResult]: For program point  L421-2(lines 421 429)  no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 414 449)  no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 912 918)  no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 912 918)  the Hoare annotation is:  true
[2020-07-20 13:04:54,391 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 541 586)  no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 541 586)  no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 541 586)  no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 854 899)  no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 854 899)  no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO  L268        CegarLoopResult]: For program point  L874(lines 874 881)  no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 854 899)  no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO  L268        CegarLoopResult]: For program point  L868(lines 868 888)  no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO  L268        CegarLoopResult]: For program point  L868-1(lines 868 888)  no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 257 267)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,393 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 257 267)  no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 257 267)  no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO  L264        CegarLoopResult]: At program point  L262(line 262)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,393 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 394 404)  the Hoare annotation is:  true
[2020-07-20 13:04:54,393 INFO  L271        CegarLoopResult]: At program point  L399(line 399)  the Hoare annotation is:  true
[2020-07-20 13:04:54,393 INFO  L268        CegarLoopResult]: For program point  L399-1(line 399)  no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 394 404)  no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 394 404)  no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 386 393)  no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 386 393)  no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 386 393)  no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 177 190)  no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO  L268        CegarLoopResult]: For program point  L181(lines 181 187)  no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 177 190)  the Hoare annotation is:  true
[2020-07-20 13:04:54,395 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 177 190)  no Hoare annotation was computed.
[2020-07-20 13:04:54,395 INFO  L268        CegarLoopResult]: For program point  L354-1(lines 335 359)  no Hoare annotation was computed.
[2020-07-20 13:04:54,395 INFO  L264        CegarLoopResult]: At program point  L349(line 349)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (and (= 0 processEnvironment_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:04:54,395 INFO  L264        CegarLoopResult]: At program point  L345(line 345)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:04:54,395 INFO  L268        CegarLoopResult]: For program point  L343(lines 343 351)  no Hoare annotation was computed.
[2020-07-20 13:04:54,395 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 335 359)  no Hoare annotation was computed.
[2020-07-20 13:04:54,396 INFO  L264        CegarLoopResult]: At program point  L341(line 341)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:04:54,396 INFO  L268        CegarLoopResult]: For program point  L341-1(line 341)  no Hoare annotation was computed.
[2020-07-20 13:04:54,396 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 335 359)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:04:54,396 INFO  L268        CegarLoopResult]: For program point  L339(lines 339 356)  no Hoare annotation was computed.
[2020-07-20 13:04:54,396 INFO  L264        CegarLoopResult]: At program point  L354(line 354)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:04:54,397 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 327 333)  no Hoare annotation was computed.
[2020-07-20 13:04:54,397 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 327 333)  the Hoare annotation is:  true
[2020-07-20 13:04:54,397 INFO  L268        CegarLoopResult]: For program point  L481(lines 480 525)  no Hoare annotation was computed.
[2020-07-20 13:04:54,397 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 470 533)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,397 INFO  L268        CegarLoopResult]: For program point  L510(lines 510 521)  no Hoare annotation was computed.
[2020-07-20 13:04:54,397 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 470 533)  no Hoare annotation was computed.
[2020-07-20 13:04:54,398 INFO  L264        CegarLoopResult]: At program point  L502(line 502)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))
[2020-07-20 13:04:54,398 INFO  L268        CegarLoopResult]: For program point  L500(lines 500 506)  no Hoare annotation was computed.
[2020-07-20 13:04:54,398 INFO  L268        CegarLoopResult]: For program point  L500-1(lines 500 506)  no Hoare annotation was computed.
[2020-07-20 13:04:54,398 INFO  L264        CegarLoopResult]: At program point  L492(line 492)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 13:04:54,399 INFO  L264        CegarLoopResult]: At program point  L523(lines 480 525)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 13:04:54,399 INFO  L268        CegarLoopResult]: For program point  L490(lines 490 496)  no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO  L268        CegarLoopResult]: For program point  L490-1(lines 490 496)  no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO  L268        CegarLoopResult]: For program point  L482(lines 482 486)  no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO  L264        CegarLoopResult]: At program point  L526(lines 479 527)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)))
[2020-07-20 13:04:54,399 INFO  L268        CegarLoopResult]: For program point  L516(lines 516 520)  no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 470 533)  no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO  L264        CegarLoopResult]: At program point  L516-2(lines 510 521)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))
[2020-07-20 13:04:54,400 INFO  L268        CegarLoopResult]: For program point  L828(lines 828 835)  no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 808 853)  no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO  L268        CegarLoopResult]: For program point  L822(lines 822 842)  no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO  L268        CegarLoopResult]: For program point  L822-1(lines 822 842)  no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 808 853)  no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 808 853)  no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO  L264        CegarLoopResult]: At program point  activatePump__wrappee__highWaterSensorENTRY(lines 360 367)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,401 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorEXIT(lines 360 367)  no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorFINAL(lines 360 367)  no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO  L268        CegarLoopResult]: For program point  L153(lines 153 161)  no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 145 167)  no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO  L268        CegarLoopResult]: For program point  L153-2(lines 153 161)  no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 145 167)  no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 145 167)  no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO  L268        CegarLoopResult]: For program point  L770-1(line 770)  no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 705 807)  no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO  L268        CegarLoopResult]: For program point  L729(lines 729 733)  no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO  L268        CegarLoopResult]: For program point  L793(lines 793 804)  no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO  L268        CegarLoopResult]: For program point  L756(lines 756 760)  no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO  L268        CegarLoopResult]: For program point  L754-2(lines 754 774)  no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO  L268        CegarLoopResult]: For program point  L775(lines 753 776)  no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 705 807)  no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO  L268        CegarLoopResult]: For program point  L734(lines 734 750)  no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO  L268        CegarLoopResult]: For program point  L794(lines 794 801)  no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO  L268        CegarLoopResult]: For program point  L755(lines 754 774)  no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO  L268        CegarLoopResult]: For program point  L786(line 786)  no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 705 807)  no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO  L268        CegarLoopResult]: For program point  L786-1(line 786)  no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO  L268        CegarLoopResult]: For program point  L751(lines 751 792)  no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO  L268        CegarLoopResult]: For program point  L770(line 770)  no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 902 911)  no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 902 911)  no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 902 911)  no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))
[2020-07-20 13:04:54,405 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO  L264        CegarLoopResult]: At program point  L380(line 380)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,405 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 369 385)  no Hoare annotation was computed.
[2020-07-20 13:04:54,406 INFO  L268        CegarLoopResult]: For program point  L380-1(lines 369 385)  no Hoare annotation was computed.
[2020-07-20 13:04:54,406 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 369 385)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,406 INFO  L268        CegarLoopResult]: For program point  L376(lines 376 382)  no Hoare annotation was computed.
[2020-07-20 13:04:54,406 INFO  L264        CegarLoopResult]: At program point  L374(line 374)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,406 INFO  L268        CegarLoopResult]: For program point  L374-1(line 374)  no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 168 176)  the Hoare annotation is:  true
[2020-07-20 13:04:54,407 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 168 176)  no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 168 176)  no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 450 468)  no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO  L268        CegarLoopResult]: For program point  L459(lines 459 463)  no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO  L271        CegarLoopResult]: At program point  L457(line 457)  the Hoare annotation is:  true
[2020-07-20 13:04:54,407 INFO  L268        CegarLoopResult]: For program point  L459-2(lines 459 463)  no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO  L268        CegarLoopResult]: For program point  L457-1(line 457)  no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 450 468)  the Hoare annotation is:  true
[2020-07-20 13:04:54,408 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 450 468)  no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO  L268        CegarLoopResult]: For program point  L128-1(lines 124 135)  no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 124 135)  the Hoare annotation is:  true
[2020-07-20 13:04:54,408 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 124 135)  no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 136 144)  the Hoare annotation is:  true
[2020-07-20 13:04:54,409 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 136 144)  no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 136 144)  no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO  L264        CegarLoopResult]: At program point  L316(line 316)  the Hoare annotation is:  (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5))))
[2020-07-20 13:04:54,410 INFO  L264        CegarLoopResult]: At program point  L314(lines 314 320)  the Hoare annotation is:  (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse6)) (or .cse1 .cse2 .cse3 .cse7 .cse8) (let ((.cse9 (<= 2 ~waterLevel~0))) (or .cse1 (and .cse9 .cse5 .cse6) .cse4 .cse7 .cse8 (and .cse9 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))))))
[2020-07-20 13:04:54,410 INFO  L264        CegarLoopResult]: At program point  L309(line 309)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:04:54,410 INFO  L268        CegarLoopResult]: For program point  L307(lines 303 325)  no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO  L268        CegarLoopResult]: For program point  L305(lines 303 325)  no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 300 326)  the Hoare annotation is:  (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4)))
[2020-07-20 13:04:54,411 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 300 326)  no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 300 326)  no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 194 223)  no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 194 223)  the Hoare annotation is:  true
[2020-07-20 13:04:54,412 INFO  L271        CegarLoopResult]: At program point  L219(lines 194 223)  the Hoare annotation is:  true
[2020-07-20 13:04:54,412 INFO  L268        CegarLoopResult]: For program point  L215(line 215)  no Hoare annotation was computed.
[2020-07-20 13:04:54,412 INFO  L268        CegarLoopResult]: For program point  L208(lines 208 212)  no Hoare annotation was computed.
[2020-07-20 13:04:54,412 INFO  L271        CegarLoopResult]: At program point  L208-1(lines 208 212)  the Hoare annotation is:  true
[2020-07-20 13:04:54,412 INFO  L268        CegarLoopResult]: For program point  L205(line 205)  no Hoare annotation was computed.
[2020-07-20 13:04:54,412 INFO  L271        CegarLoopResult]: At program point  L204-2(lines 204 218)  the Hoare annotation is:  true
[2020-07-20 13:04:54,413 INFO  L271        CegarLoopResult]: At program point  L200(line 200)  the Hoare annotation is:  true
[2020-07-20 13:04:54,413 INFO  L268        CegarLoopResult]: For program point  L200-1(line 200)  no Hoare annotation was computed.
[2020-07-20 13:04:54,413 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 100 111)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:04:54,413 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 100 111)  no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO  L268        CegarLoopResult]: For program point  L104-1(lines 100 111)  no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 249 255)  no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 249 255)  the Hoare annotation is:  true
[2020-07-20 13:04:54,414 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-20 13:04:54,414 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 13:04:54,414 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 112 123)  no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 112 123)  the Hoare annotation is:  (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))
[2020-07-20 13:04:54,415 INFO  L268        CegarLoopResult]: For program point  L116-1(lines 112 123)  no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 936 943)  no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940)  no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 936 943)  the Hoare annotation is:  true
[2020-07-20 13:04:54,416 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 936 943)  no Hoare annotation was computed.
[2020-07-20 13:04:54,433 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:54 BoogieIcfgContainer
[2020-07-20 13:04:54,433 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:04:54,435 INFO  L168              Benchmark]: Toolchain (without parser) took 16764.00 ms. Allocated memory was 139.5 MB in the beginning and 376.4 MB in the end (delta: 237.0 MB). Free memory was 103.8 MB in the beginning and 88.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 253.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,436 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,437 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 795.64 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 103.4 MB in the beginning and 169.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,438 INFO  L168              Benchmark]: Boogie Preprocessor took 83.49 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 165.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,439 INFO  L168              Benchmark]: RCFGBuilder took 1226.92 ms. Allocated memory was 200.8 MB in the beginning and 235.9 MB in the end (delta: 35.1 MB). Free memory was 165.3 MB in the beginning and 196.7 MB in the end (delta: -31.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,440 INFO  L168              Benchmark]: TraceAbstraction took 14651.88 ms. Allocated memory was 235.9 MB in the beginning and 376.4 MB in the end (delta: 140.5 MB). Free memory was 195.2 MB in the beginning and 88.0 MB in the end (delta: 107.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,444 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 795.64 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 103.4 MB in the beginning and 169.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 83.49 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 165.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1226.92 ms. Allocated memory was 200.8 MB in the beginning and 235.9 MB in the end (delta: 35.1 MB). Free memory was 165.3 MB in the beginning and 196.7 MB in the end (delta: -31.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 14651.88 ms. Allocated memory was 235.9 MB in the beginning and 376.4 MB in the end (delta: 140.5 MB). Free memory was 195.2 MB in the beginning and 88.0 MB in the end (delta: 107.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 940]: 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: 194]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 479]: Loop Invariant
    Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive)
  - InvariantResult [Line: 480]: Loop Invariant
    Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning)
  - InvariantResult [Line: 204]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1616 SDtfs, 1201 SDslu, 2901 SDs, 0 SdLazy, 1730 SolverSat, 507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1070 GetRequests, 1011 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 136 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 656 PreInvPairs, 713 NumberOfFragments, 1329 HoareAnnotationTreeSize, 656 FomulaSimplifications, 1000 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 58 FomulaSimplificationsInter, 5248 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 910 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 209537 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7438 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 85/103 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...