/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c


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


This is Ultimate 0.1.25-79ed534
[2020-07-19 21:01:35,313 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-19 21:01:35,315 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-19 21:01:35,327 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-19 21:01:35,328 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-19 21:01:35,329 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-19 21:01:35,330 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-19 21:01:35,332 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-19 21:01:35,334 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-19 21:01:35,335 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-19 21:01:35,336 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-19 21:01:35,337 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-19 21:01:35,337 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-19 21:01:35,338 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-19 21:01:35,339 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-19 21:01:35,342 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-19 21:01:35,343 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-19 21:01:35,344 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-19 21:01:35,346 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-19 21:01:35,348 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-19 21:01:35,350 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-19 21:01:35,351 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-19 21:01:35,352 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-19 21:01:35,353 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-19 21:01:35,356 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-19 21:01:35,356 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-19 21:01:35,356 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-19 21:01:35,357 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-19 21:01:35,358 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-19 21:01:35,359 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-19 21:01:35,359 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-19 21:01:35,360 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-19 21:01:35,360 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-19 21:01:35,361 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-19 21:01:35,362 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-19 21:01:35,362 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-19 21:01:35,363 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-19 21:01:35,363 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-19 21:01:35,364 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-19 21:01:35,365 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-19 21:01:35,366 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
[2020-07-19 21:01:35,381 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-19 21:01:35,381 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-19 21:01:35,383 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-19 21:01:35,383 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-19 21:01:35,383 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-19 21:01:35,383 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-19 21:01:35,383 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-19 21:01:35,384 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-19 21:01:35,384 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-19 21:01:35,384 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-19 21:01:35,384 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-19 21:01:35,384 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-19 21:01:35,385 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-19 21:01:35,385 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-19 21:01:35,385 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-19 21:01:35,385 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-19 21:01:35,385 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-19 21:01:35,386 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-19 21:01:35,386 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-19 21:01:35,386 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-19 21:01:35,386 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-19 21:01:35,386 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-19 21:01:35,387 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-19 21:01:35,387 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-19 21:01:35,387 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-19 21:01:35,387 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-19 21:01:35,387 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-19 21:01:35,388 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-19 21:01:35,388 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-19 21:01:35,388 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM
[2020-07-19 21:01:35,679 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-19 21:01:35,690 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-19 21:01:35,694 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-19 21:01:35,695 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-19 21:01:35,696 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-19 21:01:35,696 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c
[2020-07-19 21:01:35,772 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81bfa58cc/0b3d12b2425149d1aa54bb54afe61486/FLAGc73645f12
[2020-07-19 21:01:36,317 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-19 21:01:36,318 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c
[2020-07-19 21:01:36,331 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81bfa58cc/0b3d12b2425149d1aa54bb54afe61486/FLAGc73645f12
[2020-07-19 21:01:36,665 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81bfa58cc/0b3d12b2425149d1aa54bb54afe61486
[2020-07-19 21:01:36,673 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-19 21:01:36,675 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-19 21:01:36,676 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-19 21:01:36,676 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-19 21:01:36,680 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-19 21:01:36,681 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:01:36" (1/1) ...
[2020-07-19 21:01:36,684 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b0d005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:36, skipping insertion in model container
[2020-07-19 21:01:36,685 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:01:36" (1/1) ...
[2020-07-19 21:01:36,692 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-19 21:01:36,747 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-19 21:01:37,180 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-19 21:01:37,201 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-19 21:01:37,348 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-19 21:01:37,394 INFO  L208         MainTranslator]: Completed translation
[2020-07-19 21:01:37,394 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37 WrapperNode
[2020-07-19 21:01:37,394 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-19 21:01:37,395 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-19 21:01:37,395 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-19 21:01:37,395 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-19 21:01:37,408 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (1/1) ...
[2020-07-19 21:01:37,408 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (1/1) ...
[2020-07-19 21:01:37,427 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (1/1) ...
[2020-07-19 21:01:37,428 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (1/1) ...
[2020-07-19 21:01:37,454 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (1/1) ...
[2020-07-19 21:01:37,464 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (1/1) ...
[2020-07-19 21:01:37,469 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (1/1) ...
[2020-07-19 21:01:37,476 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-19 21:01:37,477 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-19 21:01:37,477 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-19 21:01:37,477 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-19 21:01:37,478 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (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
[2020-07-19 21:01:37,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-19 21:01:37,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-19 21:01:37,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-19 21:01:37,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-19 21:01:37,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-19 21:01:37,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-19 21:01:37,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-19 21:01:37,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-19 21:01:37,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-19 21:01:37,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-19 21:01:37,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-19 21:01:37,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-19 21:01:37,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-19 21:01:37,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-19 21:01:37,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-07-19 21:01:37,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-19 21:01:37,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-07-19 21:01:37,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-19 21:01:37,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-19 21:01:37,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-19 21:01:37,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-19 21:01:37,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-19 21:01:37,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-19 21:01:37,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-19 21:01:37,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-19 21:01:37,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-19 21:01:37,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-19 21:01:37,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-19 21:01:37,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-19 21:01:37,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-07-19 21:01:37,545 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-19 21:01:37,546 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-19 21:01:37,546 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-19 21:01:37,546 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-19 21:01:37,546 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-19 21:01:37,546 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-19 21:01:37,546 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-19 21:01:37,547 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-19 21:01:37,548 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-19 21:01:37,548 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-19 21:01:37,548 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-19 21:01:37,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-19 21:01:37,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-19 21:01:37,548 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-19 21:01:37,548 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-19 21:01:37,549 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-19 21:01:37,549 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-19 21:01:37,549 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-19 21:01:37,549 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-19 21:01:37,549 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-19 21:01:37,549 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-19 21:01:37,549 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-19 21:01:37,550 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-19 21:01:37,551 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-07-19 21:01:37,551 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-19 21:01:37,551 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-07-19 21:01:37,551 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-19 21:01:37,551 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-07-19 21:01:37,551 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-19 21:01:37,551 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-19 21:01:37,552 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-19 21:01:37,552 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-19 21:01:37,552 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-19 21:01:37,552 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-19 21:01:37,552 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-19 21:01:37,552 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-19 21:01:38,762 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-19 21:01:38,762 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-19 21:01:38,767 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:01:38 BoogieIcfgContainer
[2020-07-19 21:01:38,768 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-19 21:01:38,769 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-19 21:01:38,769 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-19 21:01:38,772 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-19 21:01:38,773 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:01:36" (1/3) ...
[2020-07-19 21:01:38,774 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fcbb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:01:38, skipping insertion in model container
[2020-07-19 21:01:38,774 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:37" (2/3) ...
[2020-07-19 21:01:38,774 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fcbb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:01:38, skipping insertion in model container
[2020-07-19 21:01:38,775 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:01:38" (3/3) ...
[2020-07-19 21:01:38,776 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c
[2020-07-19 21:01:38,787 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-07-19 21:01:38,795 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-19 21:01:38,808 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-19 21:01:38,827 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-19 21:01:38,828 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-19 21:01:38,828 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-07-19 21:01:38,828 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-19 21:01:38,828 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-19 21:01:38,829 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-19 21:01:38,829 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-19 21:01:38,829 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-19 21:01:38,850 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states.
[2020-07-19 21:01:38,858 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-07-19 21:01:38,858 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-19 21:01:38,859 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-19 21:01:38,860 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-19 21:01:38,866 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-19 21:01:38,866 INFO  L82        PathProgramCache]: Analyzing trace with hash 435193552, now seen corresponding path program 1 times
[2020-07-19 21:01:38,876 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2020-07-19 21:01:38,876 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412856342]
[2020-07-19 21:01:38,877 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48aeda99
[2020-07-19 21:01:39,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,534 WARN  L193               SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-19 21:01:39,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:39,656 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-19 21:01:39,656 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412856342]
[2020-07-19 21:01:39,657 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-19 21:01:39,658 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-19 21:01:39,659 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547190121]
[2020-07-19 21:01:39,664 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-19 21:01:39,665 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2020-07-19 21:01:39,680 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-19 21:01:39,681 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-19 21:01:39,683 INFO  L87              Difference]: Start difference. First operand 157 states. Second operand 3 states.
[2020-07-19 21:01:40,803 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-19 21:01:40,804 INFO  L93              Difference]: Finished difference Result 252 states and 331 transitions.
[2020-07-19 21:01:40,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-19 21:01:40,806 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-07-19 21:01:40,807 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-19 21:01:40,822 INFO  L225             Difference]: With dead ends: 252
[2020-07-19 21:01:40,822 INFO  L226             Difference]: Without dead ends: 137
[2020-07-19 21:01:40,827 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-19 21:01:40,847 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2020-07-19 21:01:40,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106.
[2020-07-19 21:01:40,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 106 states.
[2020-07-19 21:01:40,941 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions.
[2020-07-19 21:01:40,943 INFO  L78                 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46
[2020-07-19 21:01:40,944 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-19 21:01:40,944 INFO  L479      AbstractCegarLoop]: Abstraction has 106 states and 122 transitions.
[2020-07-19 21:01:40,944 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-19 21:01:40,944 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions.
[2020-07-19 21:01:40,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-07-19 21:01:40,951 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-19 21:01:40,951 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-19 21:01:40,951 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-19 21:01:40,952 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-19 21:01:40,952 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-19 21:01:40,952 INFO  L82        PathProgramCache]: Analyzing trace with hash 1385919944, now seen corresponding path program 1 times
[2020-07-19 21:01:40,952 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2020-07-19 21:01:40,953 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355618372]
[2020-07-19 21:01:40,953 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48aeda99
[2020-07-19 21:01:41,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,347 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-19 21:01:41,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:41,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-19 21:01:41,391 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355618372]
[2020-07-19 21:01:41,392 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-19 21:01:41,392 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-19 21:01:41,392 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267712096]
[2020-07-19 21:01:41,394 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-19 21:01:41,394 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2020-07-19 21:01:41,394 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-19 21:01:41,395 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-19 21:01:41,395 INFO  L87              Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states.
[2020-07-19 21:01:41,858 WARN  L193               SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-07-19 21:01:42,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-19 21:01:42,462 INFO  L93              Difference]: Finished difference Result 181 states and 218 transitions.
[2020-07-19 21:01:42,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-19 21:01:42,463 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-07-19 21:01:42,463 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-19 21:01:42,465 INFO  L225             Difference]: With dead ends: 181
[2020-07-19 21:01:42,466 INFO  L226             Difference]: Without dead ends: 121
[2020-07-19 21:01:42,467 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-19 21:01:42,468 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2020-07-19 21:01:42,497 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97.
[2020-07-19 21:01:42,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 97 states.
[2020-07-19 21:01:42,498 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions.
[2020-07-19 21:01:42,499 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47
[2020-07-19 21:01:42,499 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-19 21:01:42,499 INFO  L479      AbstractCegarLoop]: Abstraction has 97 states and 110 transitions.
[2020-07-19 21:01:42,499 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-19 21:01:42,500 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions.
[2020-07-19 21:01:42,501 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-19 21:01:42,502 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-19 21:01:42,502 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]
[2020-07-19 21:01:42,502 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-19 21:01:42,502 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-19 21:01:42,503 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-19 21:01:42,503 INFO  L82        PathProgramCache]: Analyzing trace with hash 1134529237, now seen corresponding path program 1 times
[2020-07-19 21:01:42,503 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2020-07-19 21:01:42,503 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806993993]
[2020-07-19 21:01:42,504 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48aeda99
[2020-07-19 21:01:42,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,826 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-19 21:01:42,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,876 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:42,932 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-19 21:01:42,933 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806993993]
[2020-07-19 21:01:42,933 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-19 21:01:42,933 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-07-19 21:01:42,934 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777098510]
[2020-07-19 21:01:42,934 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-19 21:01:42,935 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2020-07-19 21:01:42,935 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-19 21:01:42,935 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-07-19 21:01:42,935 INFO  L87              Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 8 states.
[2020-07-19 21:01:43,365 WARN  L193               SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-19 21:01:43,683 WARN  L193               SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-19 21:01:43,936 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-19 21:01:44,190 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-19 21:01:45,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-19 21:01:45,176 INFO  L93              Difference]: Finished difference Result 194 states and 236 transitions.
[2020-07-19 21:01:45,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-19 21:01:45,177 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 52
[2020-07-19 21:01:45,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-19 21:01:45,180 INFO  L225             Difference]: With dead ends: 194
[2020-07-19 21:01:45,180 INFO  L226             Difference]: Without dead ends: 121
[2020-07-19 21:01:45,181 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-07-19 21:01:45,182 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2020-07-19 21:01:45,211 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97.
[2020-07-19 21:01:45,211 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 97 states.
[2020-07-19 21:01:45,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions.
[2020-07-19 21:01:45,212 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52
[2020-07-19 21:01:45,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-19 21:01:45,213 INFO  L479      AbstractCegarLoop]: Abstraction has 97 states and 109 transitions.
[2020-07-19 21:01:45,213 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-19 21:01:45,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions.
[2020-07-19 21:01:45,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-07-19 21:01:45,215 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-19 21:01:45,215 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-19 21:01:45,215 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-07-19 21:01:45,216 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-19 21:01:45,216 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-19 21:01:45,216 INFO  L82        PathProgramCache]: Analyzing trace with hash -109318848, now seen corresponding path program 1 times
[2020-07-19 21:01:45,216 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2020-07-19 21:01:45,217 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139480473]
[2020-07-19 21:01:45,217 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48aeda99
[2020-07-19 21:01:45,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,547 WARN  L193               SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-19 21:01:45,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:45,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-19 21:01:45,684 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139480473]
[2020-07-19 21:01:45,685 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-19 21:01:45,685 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2020-07-19 21:01:45,685 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140216726]
[2020-07-19 21:01:45,686 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-07-19 21:01:45,686 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2020-07-19 21:01:45,687 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-07-19 21:01:45,687 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2020-07-19 21:01:45,688 INFO  L87              Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 12 states.
[2020-07-19 21:01:46,086 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-19 21:01:46,426 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-19 21:01:46,683 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-19 21:01:46,953 WARN  L193               SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-19 21:01:47,497 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-07-19 21:01:48,256 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-19 21:01:48,594 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-19 21:01:48,865 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-19 21:01:49,123 WARN  L193               SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-19 21:01:49,437 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-07-19 21:01:49,786 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-19 21:01:50,053 WARN  L193               SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-07-19 21:01:50,301 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-07-19 21:01:51,178 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-19 21:01:51,179 INFO  L93              Difference]: Finished difference Result 372 states and 494 transitions.
[2020-07-19 21:01:51,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2020-07-19 21:01:51,180 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 60
[2020-07-19 21:01:51,180 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-19 21:01:51,185 INFO  L225             Difference]: With dead ends: 372
[2020-07-19 21:01:51,185 INFO  L226             Difference]: Without dead ends: 299
[2020-07-19 21:01:51,187 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702
[2020-07-19 21:01:51,188 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 299 states.
[2020-07-19 21:01:51,255 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230.
[2020-07-19 21:01:51,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 230 states.
[2020-07-19 21:01:51,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions.
[2020-07-19 21:01:51,257 INFO  L78                 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 60
[2020-07-19 21:01:51,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-19 21:01:51,258 INFO  L479      AbstractCegarLoop]: Abstraction has 230 states and 268 transitions.
[2020-07-19 21:01:51,258 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-07-19 21:01:51,258 INFO  L276                IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions.
[2020-07-19 21:01:51,261 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-07-19 21:01:51,261 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-19 21:01:51,262 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]
[2020-07-19 21:01:51,262 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-07-19 21:01:51,262 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-19 21:01:51,262 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-19 21:01:51,262 INFO  L82        PathProgramCache]: Analyzing trace with hash 610985760, now seen corresponding path program 1 times
[2020-07-19 21:01:51,263 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2020-07-19 21:01:51,263 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208374017]
[2020-07-19 21:01:51,263 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48aeda99
[2020-07-19 21:01:51,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,519 WARN  L193               SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-19 21:01:51,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:51,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-19 21:01:51,620 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208374017]
[2020-07-19 21:01:51,620 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-19 21:01:51,621 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-19 21:01:51,621 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236581040]
[2020-07-19 21:01:51,623 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-19 21:01:51,623 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2020-07-19 21:01:51,623 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-19 21:01:51,624 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-19 21:01:51,624 INFO  L87              Difference]: Start difference. First operand 230 states and 268 transitions. Second operand 6 states.
[2020-07-19 21:01:51,986 WARN  L193               SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-19 21:01:52,552 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-19 21:01:52,552 INFO  L93              Difference]: Finished difference Result 382 states and 463 transitions.
[2020-07-19 21:01:52,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-19 21:01:52,553 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 68
[2020-07-19 21:01:52,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-19 21:01:52,556 INFO  L225             Difference]: With dead ends: 382
[2020-07-19 21:01:52,556 INFO  L226             Difference]: Without dead ends: 176
[2020-07-19 21:01:52,559 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2020-07-19 21:01:52,559 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 176 states.
[2020-07-19 21:01:52,596 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163.
[2020-07-19 21:01:52,596 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 163 states.
[2020-07-19 21:01:52,597 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions.
[2020-07-19 21:01:52,597 INFO  L78                 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68
[2020-07-19 21:01:52,598 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-19 21:01:52,598 INFO  L479      AbstractCegarLoop]: Abstraction has 163 states and 180 transitions.
[2020-07-19 21:01:52,598 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-19 21:01:52,598 INFO  L276                IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions.
[2020-07-19 21:01:52,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2020-07-19 21:01:52,600 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-19 21:01:52,600 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-19 21:01:52,601 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-07-19 21:01:52,601 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-19 21:01:52,601 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-19 21:01:52,601 INFO  L82        PathProgramCache]: Analyzing trace with hash 542477257, now seen corresponding path program 1 times
[2020-07-19 21:01:52,601 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2020-07-19 21:01:52,602 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361118086]
[2020-07-19 21:01:52,602 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48aeda99
[2020-07-19 21:01:52,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:52,926 WARN  L193               SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-19 21:01:52,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:52,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:52,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:52,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:52,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:52,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-07-19 21:01:53,103 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361118086]
[2020-07-19 21:01:53,104 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023577897]
[2020-07-19 21:01:53,104 INFO  L95    rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48aeda99
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-07-19 21:01:53,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-19 21:01:53,299 INFO  L263         TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-19 21:01:53,310 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-19 21:01:53,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-07-19 21:01:53,398 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-19 21:01:53,398 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12
[2020-07-19 21:01:53,399 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932814947]
[2020-07-19 21:01:53,399 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-07-19 21:01:53,400 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2020-07-19 21:01:53,400 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-07-19 21:01:53,400 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132
[2020-07-19 21:01:53,400 INFO  L87              Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 12 states.
[2020-07-19 21:01:54,102 WARN  L193               SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186
[2020-07-19 21:01:54,624 WARN  L193               SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-07-19 21:01:55,212 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-19 21:01:55,213 INFO  L93              Difference]: Finished difference Result 220 states and 252 transitions.
[2020-07-19 21:01:55,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-07-19 21:01:55,213 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 100
[2020-07-19 21:01:55,214 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-19 21:01:55,214 INFO  L225             Difference]: With dead ends: 220
[2020-07-19 21:01:55,214 INFO  L226             Difference]: Without dead ends: 0
[2020-07-19 21:01:55,216 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272
[2020-07-19 21:01:55,216 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-19 21:01:55,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-19 21:01:55,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-19 21:01:55,217 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-19 21:01:55,218 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100
[2020-07-19 21:01:55,218 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-19 21:01:55,218 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-19 21:01:55,218 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-07-19 21:01:55,218 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-19 21:01:55,218 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-19 21:01:55,421 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2020-07-19 21:01:55,425 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-19 21:01:55,847 WARN  L193               SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 222
[2020-07-19 21:01:56,167 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 222
[2020-07-19 21:01:56,366 WARN  L193               SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 222
[2020-07-19 21:01:56,760 WARN  L193               SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 219
[2020-07-19 21:01:58,422 WARN  L193               SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19
[2020-07-19 21:01:58,875 WARN  L193               SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22
[2020-07-19 21:01:59,265 WARN  L193               SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22
[2020-07-19 21:01:59,567 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25
[2020-07-19 21:02:00,149 WARN  L193               SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20
[2020-07-19 21:02:00,363 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-07-19 21:02:00,537 WARN  L193               SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25
[2020-07-19 21:02:00,691 WARN  L193               SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1
[2020-07-19 21:02:00,868 WARN  L193               SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25
[2020-07-19 21:02:00,985 WARN  L193               SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1
[2020-07-19 21:02:01,590 WARN  L193               SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23
[2020-07-19 21:02:02,024 WARN  L193               SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22
[2020-07-19 21:02:02,127 WARN  L193               SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1
[2020-07-19 21:02:02,297 WARN  L193               SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25
[2020-07-19 21:02:02,885 WARN  L193               SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 21
[2020-07-19 21:02:03,297 WARN  L193               SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22
[2020-07-19 21:02:03,788 WARN  L193               SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22
[2020-07-19 21:02:04,512 WARN  L193               SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20
[2020-07-19 21:02:04,619 WARN  L193               SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1
[2020-07-19 21:02:05,216 WARN  L193               SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19
[2020-07-19 21:02:05,372 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25
[2020-07-19 21:02:05,749 WARN  L193               SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22
[2020-07-19 21:02:06,137 WARN  L193               SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24
[2020-07-19 21:02:06,250 WARN  L193               SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1
[2020-07-19 21:02:06,642 WARN  L193               SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24
[2020-07-19 21:02:07,027 WARN  L193               SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22
[2020-07-19 21:02:07,518 WARN  L193               SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22
[2020-07-19 21:02:07,614 INFO  L268        CegarLoopResult]: For program point  L247(lines 247 251)  no Hoare annotation was computed.
[2020-07-19 21:02:07,615 INFO  L268        CegarLoopResult]: For program point  L247-1(lines 247 251)  no Hoare annotation was computed.
[2020-07-19 21:02:07,615 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 216 271)  no Hoare annotation was computed.
[2020-07-19 21:02:07,615 INFO  L268        CegarLoopResult]: For program point  L242(line 242)  no Hoare annotation was computed.
[2020-07-19 21:02:07,615 INFO  L268        CegarLoopResult]: For program point  L241-2(lines 241 262)  no Hoare annotation was computed.
[2020-07-19 21:02:07,615 INFO  L268        CegarLoopResult]: For program point  L263(lines 240 264)  no Hoare annotation was computed.
[2020-07-19 21:02:07,616 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 216 271)  no Hoare annotation was computed.
[2020-07-19 21:02:07,616 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 216 271)  no Hoare annotation was computed.
[2020-07-19 21:02:07,616 INFO  L268        CegarLoopResult]: For program point  L317(line 317)  no Hoare annotation was computed.
[2020-07-19 21:02:07,616 INFO  L268        CegarLoopResult]: For program point  L317-1(line 317)  no Hoare annotation was computed.
[2020-07-19 21:02:07,616 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 272 331)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L268        CegarLoopResult]: For program point  L304(lines 304 308)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L268        CegarLoopResult]: For program point  L304-1(lines 304 308)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 272 331)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L268        CegarLoopResult]: For program point  L299(line 299)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 272 331)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L268        CegarLoopResult]: For program point  L298-2(lines 298 323)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L268        CegarLoopResult]: For program point  L324(lines 297 325)  no Hoare annotation was computed.
[2020-07-19 21:02:07,617 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 61 67)  the Hoare annotation is:  true
[2020-07-19 21:02:07,618 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 61 67)  no Hoare annotation was computed.
[2020-07-19 21:02:07,618 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 68 76)  no Hoare annotation was computed.
[2020-07-19 21:02:07,618 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 68 76)  the Hoare annotation is:  true
[2020-07-19 21:02:07,618 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 68 76)  no Hoare annotation was computed.
[2020-07-19 21:02:07,618 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification4_spec__1ENTRY(lines 868 892)  the Hoare annotation is:  true
[2020-07-19 21:02:07,618 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification4_spec__1EXIT(lines 868 892)  no Hoare annotation was computed.
[2020-07-19 21:02:07,618 INFO  L264        CegarLoopResult]: At program point  L882(line 882)  the Hoare annotation is:  (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1)))
[2020-07-19 21:02:07,618 INFO  L268        CegarLoopResult]: For program point  L880(lines 880 886)  no Hoare annotation was computed.
[2020-07-19 21:02:07,619 INFO  L264        CegarLoopResult]: At program point  L878(line 878)  the Hoare annotation is:  (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1)))
[2020-07-19 21:02:07,619 INFO  L268        CegarLoopResult]: For program point  L878-1(line 878)  no Hoare annotation was computed.
[2020-07-19 21:02:07,619 INFO  L268        CegarLoopResult]: For program point  L876(lines 876 889)  no Hoare annotation was computed.
[2020-07-19 21:02:07,619 INFO  L268        CegarLoopResult]: For program point  L876-1(lines 868 892)  no Hoare annotation was computed.
[2020-07-19 21:02:07,619 INFO  L271        CegarLoopResult]: At program point  L874(line 874)  the Hoare annotation is:  true
[2020-07-19 21:02:07,619 INFO  L268        CegarLoopResult]: For program point  L874-1(line 874)  no Hoare annotation was computed.
[2020-07-19 21:02:07,619 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 844 866)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-19 21:02:07,620 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 844 866)  no Hoare annotation was computed.
[2020-07-19 21:02:07,620 INFO  L264        CegarLoopResult]: At program point  L856(line 856)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))
[2020-07-19 21:02:07,620 INFO  L264        CegarLoopResult]: At program point  L856-1(line 856)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))
[2020-07-19 21:02:07,620 INFO  L268        CegarLoopResult]: For program point  L854(lines 854 861)  no Hoare annotation was computed.
[2020-07-19 21:02:07,620 INFO  L268        CegarLoopResult]: For program point  L854-1(lines 854 861)  no Hoare annotation was computed.
[2020-07-19 21:02:07,620 INFO  L268        CegarLoopResult]: For program point  L852(line 852)  no Hoare annotation was computed.
[2020-07-19 21:02:07,621 INFO  L264        CegarLoopResult]: At program point  L851(line 851)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-19 21:02:07,621 INFO  L264        CegarLoopResult]: At program point  L850(line 850)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-19 21:02:07,621 INFO  L264        CegarLoopResult]: At program point  L850-1(line 850)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-19 21:02:07,621 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 844 866)  no Hoare annotation was computed.
[2020-07-19 21:02:07,621 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 803 826)  no Hoare annotation was computed.
[2020-07-19 21:02:07,621 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 803 826)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 803 826)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  L821(line 821)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  L820(line 820)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  L819(line 819)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  L818(line 818)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  L817(line 817)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  L816(line 816)  no Hoare annotation was computed.
[2020-07-19 21:02:07,622 INFO  L268        CegarLoopResult]: For program point  L815(line 815)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  L814(line 814)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  L813(line 813)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  L812(line 812)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  L811(line 811)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  L810(line 810)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  L809(line 809)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  L808(line 808)  no Hoare annotation was computed.
[2020-07-19 21:02:07,623 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__methaneQueryEXIT(lines 632 638)  no Hoare annotation was computed.
[2020-07-19 21:02:07,624 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__methaneQueryFINAL(lines 632 638)  the Hoare annotation is:  true
[2020-07-19 21:02:07,624 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseEXIT(lines 665 672)  no Hoare annotation was computed.
[2020-07-19 21:02:07,624 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseENTRY(lines 665 672)  no Hoare annotation was computed.
[2020-07-19 21:02:07,624 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseFINAL(lines 665 672)  no Hoare annotation was computed.
[2020-07-19 21:02:07,624 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 709 717)  no Hoare annotation was computed.
[2020-07-19 21:02:07,624 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 709 717)  the Hoare annotation is:  true
[2020-07-19 21:02:07,624 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 709 717)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  L737(lines 737 745)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  L737-2(lines 737 745)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  L725(lines 725 733)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  L725-2(lines 725 733)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 718 753)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  L748(line 748)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  L748-1(line 748)  no Hoare annotation was computed.
[2020-07-19 21:02:07,625 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 718 753)  no Hoare annotation was computed.
[2020-07-19 21:02:07,626 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 718 753)  no Hoare annotation was computed.
[2020-07-19 21:02:07,626 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 54 60)  no Hoare annotation was computed.
[2020-07-19 21:02:07,626 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 54 60)  the Hoare annotation is:  true
[2020-07-19 21:02:07,626 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 170 215)  no Hoare annotation was computed.
[2020-07-19 21:02:07,626 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 170 215)  no Hoare annotation was computed.
[2020-07-19 21:02:07,626 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 170 215)  no Hoare annotation was computed.
[2020-07-19 21:02:07,626 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 483 528)  no Hoare annotation was computed.
[2020-07-19 21:02:07,627 INFO  L268        CegarLoopResult]: For program point  L503(lines 503 510)  no Hoare annotation was computed.
[2020-07-19 21:02:07,627 INFO  L268        CegarLoopResult]: For program point  L497(lines 497 517)  no Hoare annotation was computed.
[2020-07-19 21:02:07,627 INFO  L268        CegarLoopResult]: For program point  L497-1(lines 497 517)  no Hoare annotation was computed.
[2020-07-19 21:02:07,627 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 483 528)  no Hoare annotation was computed.
[2020-07-19 21:02:07,627 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 483 528)  no Hoare annotation was computed.
[2020-07-19 21:02:07,628 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 834 843)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-19 21:02:07,628 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 834 843)  no Hoare annotation was computed.
[2020-07-19 21:02:07,629 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 834 843)  no Hoare annotation was computed.
[2020-07-19 21:02:07,629 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 698 708)  the Hoare annotation is:  true
[2020-07-19 21:02:07,629 INFO  L271        CegarLoopResult]: At program point  L703(line 703)  the Hoare annotation is:  true
[2020-07-19 21:02:07,629 INFO  L268        CegarLoopResult]: For program point  L703-1(line 703)  no Hoare annotation was computed.
[2020-07-19 21:02:07,629 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 698 708)  no Hoare annotation was computed.
[2020-07-19 21:02:07,629 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 698 708)  no Hoare annotation was computed.
[2020-07-19 21:02:07,629 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 690 697)  the Hoare annotation is:  true
[2020-07-19 21:02:07,629 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 690 697)  no Hoare annotation was computed.
[2020-07-19 21:02:07,629 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 690 697)  no Hoare annotation was computed.
[2020-07-19 21:02:07,630 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 640 664)  no Hoare annotation was computed.
[2020-07-19 21:02:07,630 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 640 664)  the Hoare annotation is:  (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-19 21:02:07,630 INFO  L264        CegarLoopResult]: At program point  L659(line 659)  the Hoare annotation is:  (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-19 21:02:07,630 INFO  L268        CegarLoopResult]: For program point  L659-1(lines 640 664)  no Hoare annotation was computed.
[2020-07-19 21:02:07,630 INFO  L264        CegarLoopResult]: At program point  L654(line 654)  the Hoare annotation is:  (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1)))
[2020-07-19 21:02:07,630 INFO  L264        CegarLoopResult]: At program point  L650(line 650)  the Hoare annotation is:  (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1)))
[2020-07-19 21:02:07,631 INFO  L268        CegarLoopResult]: For program point  L648(lines 648 656)  no Hoare annotation was computed.
[2020-07-19 21:02:07,631 INFO  L264        CegarLoopResult]: At program point  L646(line 646)  the Hoare annotation is:  (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1)))
[2020-07-19 21:02:07,631 INFO  L268        CegarLoopResult]: For program point  L646-1(line 646)  no Hoare annotation was computed.
[2020-07-19 21:02:07,631 INFO  L268        CegarLoopResult]: For program point  L644(lines 644 661)  no Hoare annotation was computed.
[2020-07-19 21:02:07,631 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 549)  no Hoare annotation was computed.
[2020-07-19 21:02:07,631 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 533 598)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-19 21:02:07,631 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 533 598)  no Hoare annotation was computed.
[2020-07-19 21:02:07,632 INFO  L264        CegarLoopResult]: At program point  L591(lines 542 592)  the Hoare annotation is:  (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))
[2020-07-19 21:02:07,632 INFO  L268        CegarLoopResult]: For program point  L581(lines 581 585)  no Hoare annotation was computed.
[2020-07-19 21:02:07,632 INFO  L264        CegarLoopResult]: At program point  L581-2(lines 573 586)  the Hoare annotation is:  (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|))))
[2020-07-19 21:02:07,632 INFO  L268        CegarLoopResult]: For program point  L544(lines 543 590)  no Hoare annotation was computed.
[2020-07-19 21:02:07,632 INFO  L264        CegarLoopResult]: At program point  L575(line 575)  the Hoare annotation is:  (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|))))
[2020-07-19 21:02:07,632 INFO  L268        CegarLoopResult]: For program point  L573(lines 573 586)  no Hoare annotation was computed.
[2020-07-19 21:02:07,632 INFO  L264        CegarLoopResult]: At program point  L565(line 565)  the Hoare annotation is:  (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|))))
[2020-07-19 21:02:07,632 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 569)  no Hoare annotation was computed.
[2020-07-19 21:02:07,632 INFO  L268        CegarLoopResult]: For program point  L563-1(lines 563 569)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L264        CegarLoopResult]: At program point  L588(lines 543 590)  the Hoare annotation is:  (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|))))
[2020-07-19 21:02:07,633 INFO  L264        CegarLoopResult]: At program point  L555(line 555)  the Hoare annotation is:  (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2)))
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  L553(lines 553 559)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  L553-1(lines 553 559)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 533 598)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 437 482)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 437 482)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 437 482)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  L457(lines 457 464)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  L451(lines 451 471)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  L451-1(lines 451 471)  no Hoare annotation was computed.
[2020-07-19 21:02:07,633 INFO  L268        CegarLoopResult]: For program point  L139(lines 139 147)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  L139-2(lines 139 147)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 131 153)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 131 153)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 131 153)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 44 53)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 44 53)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 44 53)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  L384(lines 383 403)  no Hoare annotation was computed.
[2020-07-19 21:02:07,634 INFO  L268        CegarLoopResult]: For program point  L415(line 415)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 334 436)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  L415-1(line 415)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  L380(lines 380 421)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  L399(line 399)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  L399-1(line 399)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  L358(lines 358 362)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  L422(lines 422 433)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 334 436)  no Hoare annotation was computed.
[2020-07-19 21:02:07,635 INFO  L268        CegarLoopResult]: For program point  L385(lines 385 389)  no Hoare annotation was computed.
[2020-07-19 21:02:07,636 INFO  L268        CegarLoopResult]: For program point  L383-2(lines 383 403)  no Hoare annotation was computed.
[2020-07-19 21:02:07,636 INFO  L268        CegarLoopResult]: For program point  L404(lines 382 405)  no Hoare annotation was computed.
[2020-07-19 21:02:07,636 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 334 436)  no Hoare annotation was computed.
[2020-07-19 21:02:07,636 INFO  L268        CegarLoopResult]: For program point  L363(lines 363 379)  no Hoare annotation was computed.
[2020-07-19 21:02:07,636 INFO  L268        CegarLoopResult]: For program point  L423(lines 423 430)  no Hoare annotation was computed.
[2020-07-19 21:02:07,636 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-19 21:02:07,637 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))
[2020-07-19 21:02:07,637 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-19 21:02:07,637 INFO  L268        CegarLoopResult]: For program point  L684(line 684)  no Hoare annotation was computed.
[2020-07-19 21:02:07,637 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 673 689)  no Hoare annotation was computed.
[2020-07-19 21:02:07,637 INFO  L268        CegarLoopResult]: For program point  L684-1(lines 673 689)  no Hoare annotation was computed.
[2020-07-19 21:02:07,637 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 673 689)  no Hoare annotation was computed.
[2020-07-19 21:02:07,637 INFO  L268        CegarLoopResult]: For program point  L680(lines 680 686)  no Hoare annotation was computed.
[2020-07-19 21:02:07,638 INFO  L268        CegarLoopResult]: For program point  L678(line 678)  no Hoare annotation was computed.
[2020-07-19 21:02:07,638 INFO  L268        CegarLoopResult]: For program point  L678-1(line 678)  no Hoare annotation was computed.
[2020-07-19 21:02:07,638 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 154 162)  the Hoare annotation is:  true
[2020-07-19 21:02:07,638 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 154 162)  no Hoare annotation was computed.
[2020-07-19 21:02:07,638 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 154 162)  no Hoare annotation was computed.
[2020-07-19 21:02:07,638 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 110 121)  no Hoare annotation was computed.
[2020-07-19 21:02:07,638 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 110 121)  the Hoare annotation is:  (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2)))
[2020-07-19 21:02:07,638 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 110 121)  no Hoare annotation was computed.
[2020-07-19 21:02:07,639 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-19 21:02:07,639 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-19 21:02:07,639 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-19 21:02:07,639 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 122 130)  the Hoare annotation is:  true
[2020-07-19 21:02:07,639 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 122 130)  no Hoare annotation was computed.
[2020-07-19 21:02:07,639 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 122 130)  no Hoare annotation was computed.
[2020-07-19 21:02:07,639 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 608 631)  the Hoare annotation is:  (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2)))
[2020-07-19 21:02:07,640 INFO  L264        CegarLoopResult]: At program point  L621(line 621)  the Hoare annotation is:  (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2)))
[2020-07-19 21:02:07,640 INFO  L264        CegarLoopResult]: At program point  L619(lines 619 625)  the Hoare annotation is:  (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2)))
[2020-07-19 21:02:07,640 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 608 631)  no Hoare annotation was computed.
[2020-07-19 21:02:07,640 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 608 631)  no Hoare annotation was computed.
[2020-07-19 21:02:07,640 INFO  L264        CegarLoopResult]: At program point  L614(line 614)  the Hoare annotation is:  (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1)))
[2020-07-19 21:02:07,640 INFO  L268        CegarLoopResult]: For program point  L612(lines 611 630)  no Hoare annotation was computed.
[2020-07-19 21:02:07,640 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 773 802)  no Hoare annotation was computed.
[2020-07-19 21:02:07,641 INFO  L271        CegarLoopResult]: At program point  L798(lines 773 802)  the Hoare annotation is:  true
[2020-07-19 21:02:07,641 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 773 802)  the Hoare annotation is:  true
[2020-07-19 21:02:07,641 INFO  L268        CegarLoopResult]: For program point  L794(line 794)  no Hoare annotation was computed.
[2020-07-19 21:02:07,641 INFO  L268        CegarLoopResult]: For program point  L787(lines 787 791)  no Hoare annotation was computed.
[2020-07-19 21:02:07,641 INFO  L271        CegarLoopResult]: At program point  L787-1(lines 787 791)  the Hoare annotation is:  true
[2020-07-19 21:02:07,641 INFO  L268        CegarLoopResult]: For program point  L784(line 784)  no Hoare annotation was computed.
[2020-07-19 21:02:07,641 INFO  L271        CegarLoopResult]: At program point  L783-2(lines 783 797)  the Hoare annotation is:  true
[2020-07-19 21:02:07,641 INFO  L271        CegarLoopResult]: At program point  L779(line 779)  the Hoare annotation is:  true
[2020-07-19 21:02:07,642 INFO  L268        CegarLoopResult]: For program point  L779-1(line 779)  no Hoare annotation was computed.
[2020-07-19 21:02:07,642 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 86 97)  the Hoare annotation is:  true
[2020-07-19 21:02:07,642 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 86 97)  no Hoare annotation was computed.
[2020-07-19 21:02:07,642 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 86 97)  no Hoare annotation was computed.
[2020-07-19 21:02:07,642 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 827 833)  no Hoare annotation was computed.
[2020-07-19 21:02:07,642 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 827 833)  the Hoare annotation is:  true
[2020-07-19 21:02:07,642 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-19 21:02:07,642 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0))
[2020-07-19 21:02:07,642 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-19 21:02:07,643 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-19 21:02:07,643 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 754 761)  no Hoare annotation was computed.
[2020-07-19 21:02:07,643 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 754 761)  the Hoare annotation is:  (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-19 21:02:07,643 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 754 761)  no Hoare annotation was computed.
[2020-07-19 21:02:07,643 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 98 109)  no Hoare annotation was computed.
[2020-07-19 21:02:07,643 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 98 109)  no Hoare annotation was computed.
[2020-07-19 21:02:07,643 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 98 109)  the Hoare annotation is:  (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2)))
[2020-07-19 21:02:07,643 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 763 770)  no Hoare annotation was computed.
[2020-07-19 21:02:07,644 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767)  no Hoare annotation was computed.
[2020-07-19 21:02:07,644 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 763 770)  the Hoare annotation is:  true
[2020-07-19 21:02:07,644 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 763 770)  no Hoare annotation was computed.
[2020-07-19 21:02:07,662 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:02:07 BoogieIcfgContainer
[2020-07-19 21:02:07,662 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-19 21:02:07,664 INFO  L168              Benchmark]: Toolchain (without parser) took 30989.47 ms. Allocated memory was 137.9 MB in the beginning and 665.3 MB in the end (delta: 527.4 MB). Free memory was 101.3 MB in the beginning and 304.7 MB in the end (delta: -203.4 MB). Peak memory consumption was 529.5 MB. Max. memory is 7.1 GB.
[2020-07-19 21:02:07,664 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-19 21:02:07,665 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 718.62 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 168.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
[2020-07-19 21:02:07,666 INFO  L168              Benchmark]: Boogie Preprocessor took 81.67 ms. Allocated memory is still 201.3 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-19 21:02:07,667 INFO  L168              Benchmark]: RCFGBuilder took 1290.79 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.6 MB in the beginning and 197.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB.
[2020-07-19 21:02:07,668 INFO  L168              Benchmark]: TraceAbstraction took 28892.94 ms. Allocated memory was 233.3 MB in the beginning and 665.3 MB in the end (delta: 432.0 MB). Free memory was 197.1 MB in the beginning and 304.7 MB in the end (delta: -107.6 MB). Peak memory consumption was 529.9 MB. Max. memory is 7.1 GB.
[2020-07-19 21:02:07,671 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 718.62 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 168.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 81.67 ms. Allocated memory is still 201.3 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1290.79 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.6 MB in the beginning and 197.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 28892.94 ms. Allocated memory was 233.3 MB in the beginning and 665.3 MB in the end (delta: 432.0 MB). Free memory was 197.1 MB in the beginning and 304.7 MB in the end (delta: -107.6 MB). Peak memory consumption was 529.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 542]: Loop Invariant
    Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))
  - InvariantResult [Line: 783]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 543]: Loop Invariant
    Derived loop invariant: ((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 2 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || !(1 == \old(waterLevel))
  - InvariantResult [Line: 773]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 518 SDtfs, 1115 SDslu, 389 SDs, 0 SdLazy, 2285 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 49411 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 11285 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 135009 SizeOfPredicates, 3 NumberOfNonLiveVariables, 770 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 55/64 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...