/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-21 10:37:06,349 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-21 10:37:06,352 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 10:37:06,364 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 10:37:06,365 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 10:37:06,366 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 10:37:06,367 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 10:37:06,369 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 10:37:06,371 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 10:37:06,372 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 10:37:06,373 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 10:37:06,374 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 10:37:06,375 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 10:37:06,376 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 10:37:06,377 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 10:37:06,378 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 10:37:06,379 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 10:37:06,380 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 10:37:06,381 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 10:37:06,383 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 10:37:06,385 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 10:37:06,386 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 10:37:06,387 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 10:37:06,388 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 10:37:06,390 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 10:37:06,391 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 10:37:06,391 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 10:37:06,392 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 10:37:06,392 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 10:37:06,393 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 10:37:06,394 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 10:37:06,394 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 10:37:06,395 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 10:37:06,396 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 10:37:06,397 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 10:37:06,397 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 10:37:06,398 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 10:37:06,398 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 10:37:06,398 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 10:37:06,399 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 10:37:06,400 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 10:37:06,401 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
[2020-07-21 10:37:06,416 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-21 10:37:06,416 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 10:37:06,417 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 10:37:06,418 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-21 10:37:06,418 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-21 10:37:06,418 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 10:37:06,418 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-21 10:37:06,418 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-21 10:37:06,419 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-21 10:37:06,419 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-21 10:37:06,419 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 10:37:06,419 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 10:37:06,419 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 10:37:06,420 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-21 10:37:06,420 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-21 10:37:06,420 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-21 10:37:06,420 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-21 10:37:06,420 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 10:37:06,421 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-21 10:37:06,421 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-21 10:37:06,421 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-21 10:37:06,421 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 10:37:06,421 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 10:37:06,422 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 10:37:06,422 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 10:37:06,422 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-21 10:37:06,422 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:06,422 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 10:37:06,423 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-21 10:37:06,423 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 -> NOT_INCREMENTALLY
[2020-07-21 10:37:06,727 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 10:37:06,740 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 10:37:06,744 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 10:37:06,745 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-21 10:37:06,745 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-21 10:37:06,746 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c
[2020-07-21 10:37:06,819 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1a9ba83/06b6023d0d3147679b0df5f7c81ad8f0/FLAGb00abf279
[2020-07-21 10:37:07,359 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-21 10:37:07,360 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c
[2020-07-21 10:37:07,372 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1a9ba83/06b6023d0d3147679b0df5f7c81ad8f0/FLAGb00abf279
[2020-07-21 10:37:07,681 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1a9ba83/06b6023d0d3147679b0df5f7c81ad8f0
[2020-07-21 10:37:07,690 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 10:37:07,692 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 10:37:07,693 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 10:37:07,694 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 10:37:07,697 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 10:37:07,698 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:07" (1/1) ...
[2020-07-21 10:37:07,701 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6d448f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:07, skipping insertion in model container
[2020-07-21 10:37:07,701 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:07" (1/1) ...
[2020-07-21 10:37:07,709 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-21 10:37:07,749 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-21 10:37:08,066 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:37:08,184 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-21 10:37:08,282 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:37:08,317 INFO  L208         MainTranslator]: Completed translation
[2020-07-21 10:37:08,318 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08 WrapperNode
[2020-07-21 10:37:08,318 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 10:37:08,319 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 10:37:08,319 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 10:37:08,319 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 10:37:08,330 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ...
[2020-07-21 10:37:08,330 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ...
[2020-07-21 10:37:08,350 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ...
[2020-07-21 10:37:08,351 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ...
[2020-07-21 10:37:08,383 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ...
[2020-07-21 10:37:08,394 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ...
[2020-07-21 10:37:08,402 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (1/1) ...
[2020-07-21 10:37:08,417 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 10:37:08,417 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 10:37:08,417 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 10:37:08,418 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-21 10:37:08,423 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (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
[2020-07-21 10:37:08,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 10:37:08,502 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 10:37:08,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:37:08,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-21 10:37:08,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-21 10:37:08,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-21 10:37:08,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-21 10:37:08,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 10:37:08,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-21 10:37:08,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-21 10:37:08,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-21 10:37:08,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-21 10:37:08,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-07-21 10:37:08,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-21 10:37:08,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-21 10:37:08,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-21 10:37:08,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-21 10:37:08,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-21 10:37:08,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-21 10:37:08,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-21 10:37:08,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-21 10:37:08,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-21 10:37:08,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-21 10:37:08,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-21 10:37:08,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-21 10:37:08,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-21 10:37:08,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-21 10:37:08,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-21 10:37:08,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-21 10:37:08,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-21 10:37:08,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-21 10:37:08,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-21 10:37:08,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-21 10:37:08,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-21 10:37:08,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:37:08,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-21 10:37:08,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-21 10:37:08,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-21 10:37:08,511 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-21 10:37:08,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 10:37:08,511 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 10:37:08,512 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-21 10:37:08,512 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-21 10:37:08,512 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-21 10:37:08,512 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-21 10:37:08,512 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-21 10:37:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-21 10:37:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-21 10:37:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-21 10:37:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-21 10:37:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-21 10:37:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-21 10:37:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-21 10:37:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-21 10:37:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-21 10:37:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-21 10:37:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-21 10:37:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-21 10:37:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-21 10:37:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-21 10:37:08,515 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-21 10:37:08,515 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-21 10:37:08,515 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-21 10:37:08,516 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-21 10:37:08,516 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-21 10:37:08,516 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-21 10:37:08,516 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-21 10:37:08,516 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-07-21 10:37:08,516 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-21 10:37:08,516 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-21 10:37:08,517 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-21 10:37:08,517 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-21 10:37:08,517 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-21 10:37:08,518 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-21 10:37:08,518 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-21 10:37:08,518 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-21 10:37:08,518 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-21 10:37:08,518 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-21 10:37:08,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-21 10:37:08,519 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-21 10:37:08,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-21 10:37:08,519 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-21 10:37:08,519 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-21 10:37:08,519 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:37:08,519 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:37:08,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-21 10:37:08,520 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-21 10:37:08,520 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-21 10:37:08,520 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-21 10:37:08,520 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 10:37:08,520 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-21 10:37:08,520 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 10:37:09,669 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 10:37:09,669 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-21 10:37:09,675 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:09 BoogieIcfgContainer
[2020-07-21 10:37:09,675 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 10:37:09,676 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 10:37:09,676 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 10:37:09,680 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-21 10:37:09,680 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:07" (1/3) ...
[2020-07-21 10:37:09,681 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a12502e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:09, skipping insertion in model container
[2020-07-21 10:37:09,682 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:08" (2/3) ...
[2020-07-21 10:37:09,682 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a12502e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:09, skipping insertion in model container
[2020-07-21 10:37:09,682 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:09" (3/3) ...
[2020-07-21 10:37:09,684 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c
[2020-07-21 10:37:09,695 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 10:37:09,703 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 10:37:09,718 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 10:37:09,746 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-21 10:37:09,746 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-21 10:37:09,746 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 10:37:09,746 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 10:37:09,747 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 10:37:09,747 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-21 10:37:09,747 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 10:37:09,747 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 10:37:09,771 INFO  L276                IsEmpty]: Start isEmpty. Operand 170 states.
[2020-07-21 10:37:09,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-21 10:37:09,782 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:09,783 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:09,784 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:09,790 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:09,791 INFO  L82        PathProgramCache]: Analyzing trace with hash -1349332709, now seen corresponding path program 1 times
[2020-07-21 10:37:09,800 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:09,801 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370227349]
[2020-07-21 10:37:09,802 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:10,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:10,068 INFO  L263         TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-21 10:37:10,077 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:10,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:10,110 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:10,111 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370227349]
[2020-07-21 10:37:10,111 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:10,112 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-21 10:37:10,113 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763553710]
[2020-07-21 10:37:10,117 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-21 10:37:10,118 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:10,131 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-21 10:37:10,132 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 10:37:10,134 INFO  L87              Difference]: Start difference. First operand 170 states. Second operand 2 states.
[2020-07-21 10:37:10,171 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:10,172 INFO  L93              Difference]: Finished difference Result 254 states and 313 transitions.
[2020-07-21 10:37:10,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-21 10:37:10,173 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-21 10:37:10,174 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:10,185 INFO  L225             Difference]: With dead ends: 254
[2020-07-21 10:37:10,185 INFO  L226             Difference]: Without dead ends: 127
[2020-07-21 10:37:10,190 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 10:37:10,209 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2020-07-21 10:37:10,246 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127.
[2020-07-21 10:37:10,249 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 127 states.
[2020-07-21 10:37:10,253 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions.
[2020-07-21 10:37:10,260 INFO  L78                 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52
[2020-07-21 10:37:10,261 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:10,261 INFO  L479      AbstractCegarLoop]: Abstraction has 127 states and 148 transitions.
[2020-07-21 10:37:10,261 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-21 10:37:10,261 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions.
[2020-07-21 10:37:10,272 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-21 10:37:10,272 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:10,272 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:10,473 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:10,474 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:10,474 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:10,475 INFO  L82        PathProgramCache]: Analyzing trace with hash 1093164693, now seen corresponding path program 1 times
[2020-07-21 10:37:10,475 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:10,476 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979403897]
[2020-07-21 10:37:10,476 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:10,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:10,688 INFO  L263         TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 10:37:10,697 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:10,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:10,783 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:10,783 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979403897]
[2020-07-21 10:37:10,783 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:10,783 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:37:10,784 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747661632]
[2020-07-21 10:37:10,785 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:37:10,785 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:10,786 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:37:10,786 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:37:10,786 INFO  L87              Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states.
[2020-07-21 10:37:10,806 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:10,806 INFO  L93              Difference]: Finished difference Result 199 states and 231 transitions.
[2020-07-21 10:37:10,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 10:37:10,807 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-21 10:37:10,807 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:10,809 INFO  L225             Difference]: With dead ends: 199
[2020-07-21 10:37:10,809 INFO  L226             Difference]: Without dead ends: 118
[2020-07-21 10:37:10,811 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:37:10,812 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2020-07-21 10:37:10,824 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118.
[2020-07-21 10:37:10,824 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 118 states.
[2020-07-21 10:37:10,826 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions.
[2020-07-21 10:37:10,826 INFO  L78                 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53
[2020-07-21 10:37:10,826 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:10,827 INFO  L479      AbstractCegarLoop]: Abstraction has 118 states and 136 transitions.
[2020-07-21 10:37:10,827 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:37:10,827 INFO  L276                IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions.
[2020-07-21 10:37:10,829 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-07-21 10:37:10,829 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:10,830 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:11,044 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:11,045 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:11,046 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:11,046 INFO  L82        PathProgramCache]: Analyzing trace with hash -1756790423, now seen corresponding path program 1 times
[2020-07-21 10:37:11,047 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:11,047 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496295712]
[2020-07-21 10:37:11,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:11,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:11,222 INFO  L263         TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 10:37:11,227 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:11,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:11,256 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:11,256 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496295712]
[2020-07-21 10:37:11,257 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:11,257 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:37:11,257 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654905659]
[2020-07-21 10:37:11,258 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:37:11,258 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:11,258 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:37:11,259 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:37:11,259 INFO  L87              Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 3 states.
[2020-07-21 10:37:11,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:11,279 INFO  L93              Difference]: Finished difference Result 212 states and 249 transitions.
[2020-07-21 10:37:11,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 10:37:11,280 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2020-07-21 10:37:11,280 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:11,282 INFO  L225             Difference]: With dead ends: 212
[2020-07-21 10:37:11,282 INFO  L226             Difference]: Without dead ends: 118
[2020-07-21 10:37:11,283 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:37:11,284 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2020-07-21 10:37:11,294 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118.
[2020-07-21 10:37:11,295 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 118 states.
[2020-07-21 10:37:11,296 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions.
[2020-07-21 10:37:11,296 INFO  L78                 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58
[2020-07-21 10:37:11,296 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:11,297 INFO  L479      AbstractCegarLoop]: Abstraction has 118 states and 135 transitions.
[2020-07-21 10:37:11,297 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:37:11,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions.
[2020-07-21 10:37:11,299 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2020-07-21 10:37:11,299 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:11,299 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:11,512 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:11,513 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:11,513 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:11,514 INFO  L82        PathProgramCache]: Analyzing trace with hash -1312872772, now seen corresponding path program 1 times
[2020-07-21 10:37:11,514 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:11,515 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555981281]
[2020-07-21 10:37:11,515 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:11,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:11,695 INFO  L263         TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-21 10:37:11,700 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:11,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:11,756 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:11,757 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555981281]
[2020-07-21 10:37:11,757 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:11,757 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:37:11,757 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946781311]
[2020-07-21 10:37:11,758 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:37:11,758 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:11,758 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:37:11,759 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:37:11,759 INFO  L87              Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 6 states.
[2020-07-21 10:37:12,091 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:12,091 INFO  L93              Difference]: Finished difference Result 297 states and 361 transitions.
[2020-07-21 10:37:12,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 10:37:12,092 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 66
[2020-07-21 10:37:12,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:12,096 INFO  L225             Difference]: With dead ends: 297
[2020-07-21 10:37:12,097 INFO  L226             Difference]: Without dead ends: 203
[2020-07-21 10:37:12,098 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 10:37:12,099 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2020-07-21 10:37:12,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201.
[2020-07-21 10:37:12,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 201 states.
[2020-07-21 10:37:12,123 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions.
[2020-07-21 10:37:12,123 INFO  L78                 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 66
[2020-07-21 10:37:12,124 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:12,124 INFO  L479      AbstractCegarLoop]: Abstraction has 201 states and 238 transitions.
[2020-07-21 10:37:12,124 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:37:12,124 INFO  L276                IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions.
[2020-07-21 10:37:12,126 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-21 10:37:12,126 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:12,126 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:12,340 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:12,341 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:12,342 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:12,342 INFO  L82        PathProgramCache]: Analyzing trace with hash -322815050, now seen corresponding path program 1 times
[2020-07-21 10:37:12,343 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:12,343 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53312430]
[2020-07-21 10:37:12,344 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:12,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:12,517 INFO  L263         TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-21 10:37:12,526 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:12,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:12,566 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:12,567 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53312430]
[2020-07-21 10:37:12,567 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:12,567 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:37:12,568 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661891823]
[2020-07-21 10:37:12,568 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:37:12,568 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:12,569 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:37:12,569 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:37:12,569 INFO  L87              Difference]: Start difference. First operand 201 states and 238 transitions. Second operand 6 states.
[2020-07-21 10:37:13,228 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:13,229 INFO  L93              Difference]: Finished difference Result 497 states and 604 transitions.
[2020-07-21 10:37:13,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 10:37:13,229 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 70
[2020-07-21 10:37:13,230 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:13,234 INFO  L225             Difference]: With dead ends: 497
[2020-07-21 10:37:13,235 INFO  L226             Difference]: Without dead ends: 320
[2020-07-21 10:37:13,236 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-21 10:37:13,241 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 320 states.
[2020-07-21 10:37:13,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 317.
[2020-07-21 10:37:13,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 317 states.
[2020-07-21 10:37:13,279 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 369 transitions.
[2020-07-21 10:37:13,279 INFO  L78                 Accepts]: Start accepts. Automaton has 317 states and 369 transitions. Word has length 70
[2020-07-21 10:37:13,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:13,280 INFO  L479      AbstractCegarLoop]: Abstraction has 317 states and 369 transitions.
[2020-07-21 10:37:13,280 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:37:13,280 INFO  L276                IsEmpty]: Start isEmpty. Operand 317 states and 369 transitions.
[2020-07-21 10:37:13,281 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-07-21 10:37:13,282 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:13,282 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:13,490 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:13,491 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:13,492 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:13,492 INFO  L82        PathProgramCache]: Analyzing trace with hash 1201377837, now seen corresponding path program 1 times
[2020-07-21 10:37:13,492 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:13,494 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004027772]
[2020-07-21 10:37:13,494 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:13,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:13,647 INFO  L263         TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 10:37:13,650 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:13,680 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:13,680 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:13,681 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004027772]
[2020-07-21 10:37:13,681 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:13,681 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 10:37:13,681 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745664165]
[2020-07-21 10:37:13,682 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 10:37:13,682 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:13,682 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 10:37:13,683 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 10:37:13,683 INFO  L87              Difference]: Start difference. First operand 317 states and 369 transitions. Second operand 5 states.
[2020-07-21 10:37:13,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:13,714 INFO  L93              Difference]: Finished difference Result 613 states and 723 transitions.
[2020-07-21 10:37:13,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 10:37:13,715 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 84
[2020-07-21 10:37:13,715 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:13,718 INFO  L225             Difference]: With dead ends: 613
[2020-07-21 10:37:13,718 INFO  L226             Difference]: Without dead ends: 320
[2020-07-21 10:37:13,719 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 10:37:13,720 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 320 states.
[2020-07-21 10:37:13,743 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 317.
[2020-07-21 10:37:13,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 317 states.
[2020-07-21 10:37:13,746 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions.
[2020-07-21 10:37:13,746 INFO  L78                 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 84
[2020-07-21 10:37:13,746 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:13,747 INFO  L479      AbstractCegarLoop]: Abstraction has 317 states and 368 transitions.
[2020-07-21 10:37:13,747 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 10:37:13,747 INFO  L276                IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions.
[2020-07-21 10:37:13,748 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-07-21 10:37:13,748 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:13,749 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:37:13,963 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:13,964 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:13,964 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:13,965 INFO  L82        PathProgramCache]: Analyzing trace with hash 1128991279, now seen corresponding path program 1 times
[2020-07-21 10:37:13,965 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:13,966 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296423624]
[2020-07-21 10:37:13,966 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:14,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:14,137 INFO  L263         TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 10:37:14,140 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:14,180 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:14,180 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:14,181 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296423624]
[2020-07-21 10:37:14,181 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:14,181 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:37:14,181 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472473334]
[2020-07-21 10:37:14,183 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:37:14,183 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:14,184 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:37:14,185 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:37:14,185 INFO  L87              Difference]: Start difference. First operand 317 states and 368 transitions. Second operand 6 states.
[2020-07-21 10:37:14,241 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:14,242 INFO  L93              Difference]: Finished difference Result 617 states and 731 transitions.
[2020-07-21 10:37:14,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 10:37:14,242 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 84
[2020-07-21 10:37:14,244 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:14,247 INFO  L225             Difference]: With dead ends: 617
[2020-07-21 10:37:14,248 INFO  L226             Difference]: Without dead ends: 324
[2020-07-21 10:37:14,250 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-21 10:37:14,251 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 324 states.
[2020-07-21 10:37:14,286 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 319.
[2020-07-21 10:37:14,288 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 319 states.
[2020-07-21 10:37:14,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 370 transitions.
[2020-07-21 10:37:14,293 INFO  L78                 Accepts]: Start accepts. Automaton has 319 states and 370 transitions. Word has length 84
[2020-07-21 10:37:14,298 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:14,298 INFO  L479      AbstractCegarLoop]: Abstraction has 319 states and 370 transitions.
[2020-07-21 10:37:14,299 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:37:14,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 319 states and 370 transitions.
[2020-07-21 10:37:14,306 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2020-07-21 10:37:14,307 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:14,307 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]
[2020-07-21 10:37:14,521 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:14,522 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:14,523 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:14,523 INFO  L82        PathProgramCache]: Analyzing trace with hash -482545033, now seen corresponding path program 1 times
[2020-07-21 10:37:14,523 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:14,524 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116103410]
[2020-07-21 10:37:14,525 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:14,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:14,730 INFO  L263         TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 29 conjunts are in the unsatisfiable core
[2020-07-21 10:37:14,734 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:14,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:14,814 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:14,814 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116103410]
[2020-07-21 10:37:14,814 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:14,814 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-21 10:37:14,815 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674462425]
[2020-07-21 10:37:14,815 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-21 10:37:14,816 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:14,816 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-21 10:37:14,816 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 10:37:14,816 INFO  L87              Difference]: Start difference. First operand 319 states and 370 transitions. Second operand 8 states.
[2020-07-21 10:37:15,407 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:15,408 INFO  L93              Difference]: Finished difference Result 876 states and 1038 transitions.
[2020-07-21 10:37:15,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-21 10:37:15,408 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 96
[2020-07-21 10:37:15,409 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:15,413 INFO  L225             Difference]: With dead ends: 876
[2020-07-21 10:37:15,413 INFO  L226             Difference]: Without dead ends: 581
[2020-07-21 10:37:15,414 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 10:37:15,416 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 581 states.
[2020-07-21 10:37:15,448 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 578.
[2020-07-21 10:37:15,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 578 states.
[2020-07-21 10:37:15,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 672 transitions.
[2020-07-21 10:37:15,453 INFO  L78                 Accepts]: Start accepts. Automaton has 578 states and 672 transitions. Word has length 96
[2020-07-21 10:37:15,453 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:15,453 INFO  L479      AbstractCegarLoop]: Abstraction has 578 states and 672 transitions.
[2020-07-21 10:37:15,454 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-21 10:37:15,454 INFO  L276                IsEmpty]: Start isEmpty. Operand 578 states and 672 transitions.
[2020-07-21 10:37:15,457 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2020-07-21 10:37:15,457 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:15,457 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]
[2020-07-21 10:37:15,670 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:15,671 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:15,671 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:15,672 INFO  L82        PathProgramCache]: Analyzing trace with hash 1334976659, now seen corresponding path program 1 times
[2020-07-21 10:37:15,672 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:15,673 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599497608]
[2020-07-21 10:37:15,673 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:15,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:15,843 INFO  L263         TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 10:37:15,846 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:15,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-07-21 10:37:15,914 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:15,914 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599497608]
[2020-07-21 10:37:15,914 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:15,914 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:37:15,915 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686897901]
[2020-07-21 10:37:15,915 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:37:15,915 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:15,916 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:37:15,916 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:37:15,916 INFO  L87              Difference]: Start difference. First operand 578 states and 672 transitions. Second operand 6 states.
[2020-07-21 10:37:16,161 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:16,161 INFO  L93              Difference]: Finished difference Result 1096 states and 1295 transitions.
[2020-07-21 10:37:16,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 10:37:16,162 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 100
[2020-07-21 10:37:16,162 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:16,167 INFO  L225             Difference]: With dead ends: 1096
[2020-07-21 10:37:16,167 INFO  L226             Difference]: Without dead ends: 542
[2020-07-21 10:37:16,169 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 10:37:16,170 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 542 states.
[2020-07-21 10:37:16,202 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542.
[2020-07-21 10:37:16,203 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 542 states.
[2020-07-21 10:37:16,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 620 transitions.
[2020-07-21 10:37:16,206 INFO  L78                 Accepts]: Start accepts. Automaton has 542 states and 620 transitions. Word has length 100
[2020-07-21 10:37:16,207 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:16,208 INFO  L479      AbstractCegarLoop]: Abstraction has 542 states and 620 transitions.
[2020-07-21 10:37:16,208 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:37:16,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 542 states and 620 transitions.
[2020-07-21 10:37:16,210 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2020-07-21 10:37:16,211 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:37:16,211 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]
[2020-07-21 10:37:16,424 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:16,425 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:37:16,426 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:37:16,426 INFO  L82        PathProgramCache]: Analyzing trace with hash -1799494055, now seen corresponding path program 1 times
[2020-07-21 10:37:16,426 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:37:16,427 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108462113]
[2020-07-21 10:37:16,427 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:37:16,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:37:16,601 INFO  L263         TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 10:37:16,604 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:37:16,646 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:37:16,646 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:37:16,646 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108462113]
[2020-07-21 10:37:16,646 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:37:16,647 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:37:16,647 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28110505]
[2020-07-21 10:37:16,647 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:37:16,647 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:37:16,647 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:37:16,648 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:37:16,648 INFO  L87              Difference]: Start difference. First operand 542 states and 620 transitions. Second operand 6 states.
[2020-07-21 10:37:16,845 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:37:16,845 INFO  L93              Difference]: Finished difference Result 544 states and 623 transitions.
[2020-07-21 10:37:16,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 10:37:16,847 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 100
[2020-07-21 10:37:16,847 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:37:16,847 INFO  L225             Difference]: With dead ends: 544
[2020-07-21 10:37:16,848 INFO  L226             Difference]: Without dead ends: 0
[2020-07-21 10:37:16,849 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 10:37:16,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-21 10:37:16,850 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-21 10:37:16,850 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-21 10:37:16,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-21 10:37:16,851 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100
[2020-07-21 10:37:16,851 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:37:16,851 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-21 10:37:16,851 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:37:16,851 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-21 10:37:16,851 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-21 10:37:17,059 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:17,063 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-21 10:37:17,971 WARN  L193               SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23
[2020-07-21 10:37:18,090 WARN  L193               SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29
[2020-07-21 10:37:18,429 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32
[2020-07-21 10:37:18,683 WARN  L193               SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22
[2020-07-21 10:37:18,886 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28
[2020-07-21 10:37:18,996 WARN  L193               SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22
[2020-07-21 10:37:19,353 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32
[2020-07-21 10:37:19,536 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25
[2020-07-21 10:37:19,657 WARN  L193               SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23
[2020-07-21 10:37:19,872 WARN  L193               SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25
[2020-07-21 10:37:20,085 WARN  L193               SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31
[2020-07-21 10:37:20,536 WARN  L193               SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34
[2020-07-21 10:37:20,657 WARN  L193               SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31
[2020-07-21 10:37:20,855 WARN  L193               SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29
[2020-07-21 10:37:21,391 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29
[2020-07-21 10:37:21,426 INFO  L268        CegarLoopResult]: For program point  L636(lines 613 637)  no Hoare annotation was computed.
[2020-07-21 10:37:21,426 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 589 644)  no Hoare annotation was computed.
[2020-07-21 10:37:21,426 INFO  L268        CegarLoopResult]: For program point  L620(lines 620 624)  no Hoare annotation was computed.
[2020-07-21 10:37:21,427 INFO  L268        CegarLoopResult]: For program point  L620-1(lines 620 624)  no Hoare annotation was computed.
[2020-07-21 10:37:21,427 INFO  L268        CegarLoopResult]: For program point  L615(line 615)  no Hoare annotation was computed.
[2020-07-21 10:37:21,427 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 589 644)  no Hoare annotation was computed.
[2020-07-21 10:37:21,427 INFO  L268        CegarLoopResult]: For program point  L614-2(lines 614 635)  no Hoare annotation was computed.
[2020-07-21 10:37:21,427 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 589 644)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  L672(line 672)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  L671-2(lines 671 696)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  L697(lines 670 698)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 645 704)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  L690(line 690)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  L690-1(line 690)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 645 704)  no Hoare annotation was computed.
[2020-07-21 10:37:21,428 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 645 704)  no Hoare annotation was computed.
[2020-07-21 10:37:21,429 INFO  L268        CegarLoopResult]: For program point  L677(lines 677 681)  no Hoare annotation was computed.
[2020-07-21 10:37:21,429 INFO  L268        CegarLoopResult]: For program point  L677-1(lines 677 681)  no Hoare annotation was computed.
[2020-07-21 10:37:21,429 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 520 526)  the Hoare annotation is:  true
[2020-07-21 10:37:21,429 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 520 526)  no Hoare annotation was computed.
[2020-07-21 10:37:21,429 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 527 535)  no Hoare annotation was computed.
[2020-07-21 10:37:21,429 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 527 535)  the Hoare annotation is:  true
[2020-07-21 10:37:21,429 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 527 535)  no Hoare annotation was computed.
[2020-07-21 10:37:21,429 INFO  L268        CegarLoopResult]: For program point  L130-1(lines 130 137)  no Hoare annotation was computed.
[2020-07-21 10:37:21,429 INFO  L268        CegarLoopResult]: For program point  L128(line 128)  no Hoare annotation was computed.
[2020-07-21 10:37:21,430 INFO  L264        CegarLoopResult]: At program point  L127(line 127)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,430 INFO  L264        CegarLoopResult]: At program point  L126(line 126)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,430 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 120 142)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,430 INFO  L264        CegarLoopResult]: At program point  L126-1(line 126)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,430 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 120 142)  no Hoare annotation was computed.
[2020-07-21 10:37:21,431 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 120 142)  no Hoare annotation was computed.
[2020-07-21 10:37:21,431 INFO  L264        CegarLoopResult]: At program point  L132(line 132)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,431 INFO  L264        CegarLoopResult]: At program point  L132-1(line 132)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,431 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 137)  no Hoare annotation was computed.
[2020-07-21 10:37:21,431 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 75 98)  no Hoare annotation was computed.
[2020-07-21 10:37:21,431 INFO  L268        CegarLoopResult]: For program point  L93(line 93)  no Hoare annotation was computed.
[2020-07-21 10:37:21,431 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 75 98)  no Hoare annotation was computed.
[2020-07-21 10:37:21,431 INFO  L268        CegarLoopResult]: For program point  L92(line 92)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 75 98)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  L90(line 90)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  L89(line 89)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  L87(line 87)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2020-07-21 10:37:21,432 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L84(line 84)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L81(line 81)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 325 333)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 325 333)  the Hoare annotation is:  true
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 325 333)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L353(lines 353 361)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L353-2(lines 353 361)  no Hoare annotation was computed.
[2020-07-21 10:37:21,433 INFO  L268        CegarLoopResult]: For program point  L341(lines 341 349)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  L341-2(lines 341 349)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 334 369)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  L364(line 364)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  L364-1(line 364)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 334 369)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 334 369)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 513 519)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 513 519)  the Hoare annotation is:  true
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 543 588)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 543 588)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 543 588)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 856 901)  no Hoare annotation was computed.
[2020-07-21 10:37:21,434 INFO  L268        CegarLoopResult]: For program point  L876(lines 876 883)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 856 901)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  L870(lines 870 890)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 856 901)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  L870-1(lines 870 890)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 107 116)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 107 116)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 107 116)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 314 324)  the Hoare annotation is:  true
[2020-07-21 10:37:21,435 INFO  L271        CegarLoopResult]: At program point  L319(line 319)  the Hoare annotation is:  true
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  L319-1(line 319)  no Hoare annotation was computed.
[2020-07-21 10:37:21,435 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 314 324)  no Hoare annotation was computed.
[2020-07-21 10:37:21,436 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 314 324)  no Hoare annotation was computed.
[2020-07-21 10:37:21,436 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 306 313)  no Hoare annotation was computed.
[2020-07-21 10:37:21,436 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 306 313)  no Hoare annotation was computed.
[2020-07-21 10:37:21,436 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 306 313)  no Hoare annotation was computed.
[2020-07-21 10:37:21,436 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 478 491)  no Hoare annotation was computed.
[2020-07-21 10:37:21,436 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 478 491)  the Hoare annotation is:  true
[2020-07-21 10:37:21,436 INFO  L268        CegarLoopResult]: For program point  L482(lines 482 488)  no Hoare annotation was computed.
[2020-07-21 10:37:21,436 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 478 491)  no Hoare annotation was computed.
[2020-07-21 10:37:21,437 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 255 279)  no Hoare annotation was computed.
[2020-07-21 10:37:21,437 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 255 279)  the Hoare annotation is:  (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse1 .cse2)))
[2020-07-21 10:37:21,437 INFO  L264        CegarLoopResult]: At program point  L274(line 274)  the Hoare annotation is:  (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse2)))
[2020-07-21 10:37:21,437 INFO  L268        CegarLoopResult]: For program point  L274-1(lines 255 279)  no Hoare annotation was computed.
[2020-07-21 10:37:21,437 INFO  L264        CegarLoopResult]: At program point  L269(line 269)  the Hoare annotation is:  (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse3 .cse4 .cse5)))
[2020-07-21 10:37:21,438 INFO  L264        CegarLoopResult]: At program point  L265(line 265)  the Hoare annotation is:  (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (<= 1 processEnvironment_~tmp~2) .cse7)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse7 (<= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3) (or .cse1 .cse0 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse5))))
[2020-07-21 10:37:21,438 INFO  L268        CegarLoopResult]: For program point  L263(lines 263 271)  no Hoare annotation was computed.
[2020-07-21 10:37:21,438 INFO  L264        CegarLoopResult]: At program point  L261(line 261)  the Hoare annotation is:  (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5)))
[2020-07-21 10:37:21,438 INFO  L268        CegarLoopResult]: For program point  L261-1(line 261)  no Hoare annotation was computed.
[2020-07-21 10:37:21,438 INFO  L268        CegarLoopResult]: For program point  L259(lines 259 276)  no Hoare annotation was computed.
[2020-07-21 10:37:21,438 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 247 253)  no Hoare annotation was computed.
[2020-07-21 10:37:21,439 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 247 253)  the Hoare annotation is:  true
[2020-07-21 10:37:21,439 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 145 210)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,439 INFO  L268        CegarLoopResult]: For program point  L157(lines 157 161)  no Hoare annotation was computed.
[2020-07-21 10:37:21,439 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 145 210)  no Hoare annotation was computed.
[2020-07-21 10:37:21,439 INFO  L264        CegarLoopResult]: At program point  L203(lines 154 204)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-21 10:37:21,439 INFO  L268        CegarLoopResult]: For program point  L193(lines 193 197)  no Hoare annotation was computed.
[2020-07-21 10:37:21,440 INFO  L264        CegarLoopResult]: At program point  L193-2(lines 185 198)  the Hoare annotation is:  (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-21 10:37:21,440 INFO  L268        CegarLoopResult]: For program point  L156(lines 155 202)  no Hoare annotation was computed.
[2020-07-21 10:37:21,440 INFO  L264        CegarLoopResult]: At program point  L187(line 187)  the Hoare annotation is:  (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-21 10:37:21,440 INFO  L268        CegarLoopResult]: For program point  L185(lines 185 198)  no Hoare annotation was computed.
[2020-07-21 10:37:21,440 INFO  L264        CegarLoopResult]: At program point  L177(line 177)  the Hoare annotation is:  (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-21 10:37:21,440 INFO  L268        CegarLoopResult]: For program point  L175(lines 175 181)  no Hoare annotation was computed.
[2020-07-21 10:37:21,441 INFO  L268        CegarLoopResult]: For program point  L175-1(lines 175 181)  no Hoare annotation was computed.
[2020-07-21 10:37:21,441 INFO  L264        CegarLoopResult]: At program point  L200(lines 155 202)  the Hoare annotation is:  (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-21 10:37:21,441 INFO  L264        CegarLoopResult]: At program point  L167(line 167)  the Hoare annotation is:  (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-21 10:37:21,441 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 171)  no Hoare annotation was computed.
[2020-07-21 10:37:21,441 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 165 171)  no Hoare annotation was computed.
[2020-07-21 10:37:21,441 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 145 210)  no Hoare annotation was computed.
[2020-07-21 10:37:21,442 INFO  L268        CegarLoopResult]: For program point  L830(lines 830 837)  no Hoare annotation was computed.
[2020-07-21 10:37:21,442 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 810 855)  no Hoare annotation was computed.
[2020-07-21 10:37:21,442 INFO  L268        CegarLoopResult]: For program point  L824(lines 824 844)  no Hoare annotation was computed.
[2020-07-21 10:37:21,442 INFO  L268        CegarLoopResult]: For program point  L824-1(lines 824 844)  no Hoare annotation was computed.
[2020-07-21 10:37:21,442 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 810 855)  no Hoare annotation was computed.
[2020-07-21 10:37:21,442 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 810 855)  no Hoare annotation was computed.
[2020-07-21 10:37:21,442 INFO  L264        CegarLoopResult]: At program point  activatePump__wrappee__highWaterSensorENTRY(lines 280 287)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-21 10:37:21,442 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorEXIT(lines 280 287)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorFINAL(lines 280 287)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 446 468)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 462)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 446 468)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 446 468)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  L454-2(lines 454 462)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 503 512)  no Hoare annotation was computed.
[2020-07-21 10:37:21,443 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 503 512)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 503 512)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 707 809)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  L731(lines 731 735)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  L795(lines 795 806)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  L758(lines 758 762)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  L756-2(lines 756 776)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  L777(lines 755 778)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 707 809)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  L736(lines 736 752)  no Hoare annotation was computed.
[2020-07-21 10:37:21,444 INFO  L268        CegarLoopResult]: For program point  L796(lines 796 803)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  L757(lines 756 776)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  L788(line 788)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  L788-1(line 788)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 707 809)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  L753(lines 753 794)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  L772(line 772)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  L772-1(line 772)  no Hoare annotation was computed.
[2020-07-21 10:37:21,445 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 10:37:21,446 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (= ~pumpRunning~0 |old(~pumpRunning~0)|)
[2020-07-21 10:37:21,446 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 10:37:21,446 INFO  L264        CegarLoopResult]: At program point  L300(line 300)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) .cse2) .cse1 (not (= 0 ~methaneLevelCritical~0)))))
[2020-07-21 10:37:21,446 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 289 305)  no Hoare annotation was computed.
[2020-07-21 10:37:21,446 INFO  L268        CegarLoopResult]: For program point  L300-1(lines 289 305)  no Hoare annotation was computed.
[2020-07-21 10:37:21,446 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 289 305)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-21 10:37:21,446 INFO  L268        CegarLoopResult]: For program point  L296(lines 296 302)  no Hoare annotation was computed.
[2020-07-21 10:37:21,447 INFO  L264        CegarLoopResult]: At program point  L294(line 294)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-21 10:37:21,447 INFO  L268        CegarLoopResult]: For program point  L294-1(line 294)  no Hoare annotation was computed.
[2020-07-21 10:37:21,447 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 370 388)  no Hoare annotation was computed.
[2020-07-21 10:37:21,447 INFO  L268        CegarLoopResult]: For program point  L379(lines 379 383)  no Hoare annotation was computed.
[2020-07-21 10:37:21,447 INFO  L271        CegarLoopResult]: At program point  L377(line 377)  the Hoare annotation is:  true
[2020-07-21 10:37:21,447 INFO  L268        CegarLoopResult]: For program point  L379-2(lines 379 383)  no Hoare annotation was computed.
[2020-07-21 10:37:21,447 INFO  L268        CegarLoopResult]: For program point  L377-1(line 377)  no Hoare annotation was computed.
[2020-07-21 10:37:21,448 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 370 388)  the Hoare annotation is:  true
[2020-07-21 10:37:21,448 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 370 388)  no Hoare annotation was computed.
[2020-07-21 10:37:21,448 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 469 477)  the Hoare annotation is:  true
[2020-07-21 10:37:21,448 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 469 477)  no Hoare annotation was computed.
[2020-07-21 10:37:21,448 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 469 477)  no Hoare annotation was computed.
[2020-07-21 10:37:21,448 INFO  L268        CegarLoopResult]: For program point  L429-1(lines 425 436)  no Hoare annotation was computed.
[2020-07-21 10:37:21,448 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 425 436)  the Hoare annotation is:  (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse3 .cse6)))
[2020-07-21 10:37:21,449 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 425 436)  no Hoare annotation was computed.
[2020-07-21 10:37:21,449 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 10:37:21,449 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-21 10:37:21,449 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 10:37:21,449 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 223 246)  the Hoare annotation is:  (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5)))
[2020-07-21 10:37:21,449 INFO  L264        CegarLoopResult]: At program point  L236(line 236)  the Hoare annotation is:  (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5)))
[2020-07-21 10:37:21,450 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 223 246)  no Hoare annotation was computed.
[2020-07-21 10:37:21,450 INFO  L264        CegarLoopResult]: At program point  L234(lines 234 240)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse7 .cse6 .cse8 .cse9) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse6 .cse3 (and .cse8 .cse4) .cse9) (or .cse1 .cse7 .cse2 .cse5)))
[2020-07-21 10:37:21,450 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 223 246)  no Hoare annotation was computed.
[2020-07-21 10:37:21,450 INFO  L264        CegarLoopResult]: At program point  L229(line 229)  the Hoare annotation is:  (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse6 .cse7) (or .cse1 .cse7 .cse3) (or .cse0 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse5)))
[2020-07-21 10:37:21,450 INFO  L268        CegarLoopResult]: For program point  L227(lines 226 245)  no Hoare annotation was computed.
[2020-07-21 10:37:21,451 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 42 71)  no Hoare annotation was computed.
[2020-07-21 10:37:21,451 INFO  L268        CegarLoopResult]: For program point  L63(line 63)  no Hoare annotation was computed.
[2020-07-21 10:37:21,451 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 42 71)  the Hoare annotation is:  true
[2020-07-21 10:37:21,451 INFO  L268        CegarLoopResult]: For program point  L56(lines 56 60)  no Hoare annotation was computed.
[2020-07-21 10:37:21,451 INFO  L271        CegarLoopResult]: At program point  L56-1(lines 56 60)  the Hoare annotation is:  true
[2020-07-21 10:37:21,451 INFO  L268        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2020-07-21 10:37:21,451 INFO  L271        CegarLoopResult]: At program point  L52-2(lines 52 66)  the Hoare annotation is:  true
[2020-07-21 10:37:21,451 INFO  L271        CegarLoopResult]: At program point  L48(line 48)  the Hoare annotation is:  true
[2020-07-21 10:37:21,452 INFO  L268        CegarLoopResult]: For program point  L48-1(line 48)  no Hoare annotation was computed.
[2020-07-21 10:37:21,452 INFO  L271        CegarLoopResult]: At program point  L67(lines 42 71)  the Hoare annotation is:  true
[2020-07-21 10:37:21,452 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 437 445)  the Hoare annotation is:  true
[2020-07-21 10:37:21,452 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 437 445)  no Hoare annotation was computed.
[2020-07-21 10:37:21,452 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 437 445)  no Hoare annotation was computed.
[2020-07-21 10:37:21,452 INFO  L264        CegarLoopResult]: At program point  L926(line 926)  the Hoare annotation is:  (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse3)))
[2020-07-21 10:37:21,452 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification3_spec__1EXIT(lines 903 935)  no Hoare annotation was computed.
[2020-07-21 10:37:21,453 INFO  L268        CegarLoopResult]: For program point  L922(lines 922 928)  no Hoare annotation was computed.
[2020-07-21 10:37:21,453 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification3_spec__1ENTRY(lines 903 935)  the Hoare annotation is:  true
[2020-07-21 10:37:21,453 INFO  L264        CegarLoopResult]: At program point  L920(line 920)  the Hoare annotation is:  (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse0 .cse4 .cse5 .cse3)))
[2020-07-21 10:37:21,453 INFO  L268        CegarLoopResult]: For program point  L920-1(line 920)  no Hoare annotation was computed.
[2020-07-21 10:37:21,453 INFO  L268        CegarLoopResult]: For program point  L918(lines 918 931)  no Hoare annotation was computed.
[2020-07-21 10:37:21,453 INFO  L268        CegarLoopResult]: For program point  L918-1(lines 903 935)  no Hoare annotation was computed.
[2020-07-21 10:37:21,453 INFO  L264        CegarLoopResult]: At program point  L916(line 916)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)))))
[2020-07-21 10:37:21,454 INFO  L268        CegarLoopResult]: For program point  L916-1(line 916)  no Hoare annotation was computed.
[2020-07-21 10:37:21,454 INFO  L268        CegarLoopResult]: For program point  L912(lines 912 932)  no Hoare annotation was computed.
[2020-07-21 10:37:21,454 INFO  L271        CegarLoopResult]: At program point  L910(line 910)  the Hoare annotation is:  true
[2020-07-21 10:37:21,454 INFO  L268        CegarLoopResult]: For program point  L910-1(line 910)  no Hoare annotation was computed.
[2020-07-21 10:37:21,454 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 401 412)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3)))
[2020-07-21 10:37:21,454 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 401 412)  no Hoare annotation was computed.
[2020-07-21 10:37:21,454 INFO  L268        CegarLoopResult]: For program point  L405-1(lines 401 412)  no Hoare annotation was computed.
[2020-07-21 10:37:21,455 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 99 105)  no Hoare annotation was computed.
[2020-07-21 10:37:21,455 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 99 105)  the Hoare annotation is:  true
[2020-07-21 10:37:21,455 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 10:37:21,455 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-21 10:37:21,455 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-21 10:37:21,455 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 10:37:21,455 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 389 396)  no Hoare annotation was computed.
[2020-07-21 10:37:21,455 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 389 396)  the Hoare annotation is:  (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3)))
[2020-07-21 10:37:21,456 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 389 396)  no Hoare annotation was computed.
[2020-07-21 10:37:21,456 INFO  L268        CegarLoopResult]: For program point  L417-1(lines 413 424)  no Hoare annotation was computed.
[2020-07-21 10:37:21,456 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 413 424)  no Hoare annotation was computed.
[2020-07-21 10:37:21,456 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 413 424)  the Hoare annotation is:  (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6)))
[2020-07-21 10:37:21,456 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 493 500)  no Hoare annotation was computed.
[2020-07-21 10:37:21,456 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497)  no Hoare annotation was computed.
[2020-07-21 10:37:21,456 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 493 500)  the Hoare annotation is:  true
[2020-07-21 10:37:21,457 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 493 500)  no Hoare annotation was computed.
[2020-07-21 10:37:21,475 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:37:21 BoogieIcfgContainer
[2020-07-21 10:37:21,475 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 10:37:21,477 INFO  L168              Benchmark]: Toolchain (without parser) took 13785.95 ms. Allocated memory was 137.9 MB in the beginning and 363.9 MB in the end (delta: 226.0 MB). Free memory was 101.8 MB in the beginning and 202.5 MB in the end (delta: -100.8 MB). Peak memory consumption was 242.5 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:21,478 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-21 10:37:21,479 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 625.22 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 172.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:21,480 INFO  L168              Benchmark]: Boogie Preprocessor took 97.86 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 167.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:21,481 INFO  L168              Benchmark]: RCFGBuilder took 1257.86 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 199.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:21,481 INFO  L168              Benchmark]: TraceAbstraction took 11799.25 ms. Allocated memory was 234.4 MB in the beginning and 363.9 MB in the end (delta: 129.5 MB). Free memory was 199.5 MB in the beginning and 202.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 243.8 MB. Max. memory is 7.1 GB.
[2020-07-21 10:37:21,485 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 625.22 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 172.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 97.86 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 167.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1257.86 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 199.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 11799.25 ms. Allocated memory was 234.4 MB in the beginning and 363.9 MB in the end (delta: 129.5 MB). Free memory was 199.5 MB in the beginning and 202.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 243.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 497]: 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: 154]: Loop Invariant
    Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 52]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 42]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 155]: Loop Invariant
    Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.3s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1573 SDtfs, 559 SDslu, 3572 SDs, 0 SdLazy, 820 SolverSat, 123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 762 GetRequests, 723 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=578occurred in iteration=8, 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, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1016 PreInvPairs, 1092 NumberOfFragments, 2054 HoareAnnotationTreeSize, 1016 FomulaSimplifications, 558 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 58 FomulaSimplificationsInter, 4478 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 763 NumberOfCodeBlocks, 763 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 107950 SizeOfPredicates, 28 NumberOfNonLiveVariables, 7217 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 9/9 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...